Continued

src/Squidex/.vscode/settings.json

@@ -7,7 +7,6 @@
 
     // Configure glob patterns for excluding files and folders.
     "files.exclude": {
-        "_test-output": true,
         "**/node_modules": true,
         "**/Assets": true,
         "**/artifacts": true,
@@ -23,10 +22,15 @@
         "**/*.user": true,
         "**/*.xproj": true,
         "**/*.gitattributes": true,
-		"appsetttings.Development.json",
-		"appsetttings.Production.json",
+		"appsetttings.Development.json": true,
+		"appsetttings.Production.json": true,
         ".awcache": true,
         ".vs:": true,
         ".vscode:": true
-    }
+    },
+
+    "coverage-gutters.coverageFileNames": [
+        "_test-output/coverage/lcov.info"
+    ],
+    "coverage-gutters.showLineCoverage": true
 }

src/Squidex/app-config/webpack.config.js

@@ -57,7 +57,7 @@ module.exports = {
           }, {
             test: /\.ts$/,
             use: [{
-                loader: 'awesome-typescript-loader', options: { useCache: true, useBabel: true }
+                loader: 'awesome-typescript-loader'
             }, {
                 loader: 'angular-router-loader'
             }, {

src/Squidex/app-config/webpack.test.coverage.js

@@ -16,7 +16,7 @@ module.exports = webpackMerge(testConfig, {
         rules: [{
             test: /\.ts$/,
             use: [{
-                loader: 'awesome-typescript-loader'
+                loader: 'ts-loader'
             }],
             include: [/\.(e2e|spec)\.ts$/],
             
@@ -25,7 +25,7 @@ module.exports = webpackMerge(testConfig, {
             use: [{
                 loader: 'istanbul-instrumenter-loader'
             }, {
-                loader: 'awesome-typescript-loader'
+                loader: 'ts-loader'
             }, {
                 loader: 'angular-router-loader'
             }, {

src/Squidex/app/features/administration/pages/restore/restore-page.component.html

@@ -6,7 +6,7 @@
     </ng-container>
 
     <ng-container content>
-        <div class="card section" *ngIf="restoreJob; let job">
+        <div class="card section" *ngIf="restoreJob | async; let job">
             <div class="card-header">
                 <div class="row no-gutters">
                     <div class="col-auto pr-2">

src/Squidex/app/features/administration/pages/restore/restore-page.component.ts

@@ -5,18 +5,16 @@
  * Copyright (c) Squidex UG (haftungsbeschränkt). All rights reserved.
  */
 
-import { Component, OnInit } from '@angular/core';
+import { Component } from '@angular/core';
 import { FormBuilder } from '@angular/forms';
 import { timer } from 'rxjs';
-import { onErrorResumeNext, switchMap } from 'rxjs/operators';
 
 import {
     AuthService,
     BackupsService,
     DialogService,
-    ResourceOwner,
-    RestoreDto,
-    RestoreForm
+    RestoreForm,
+    switchSafe
 } from '@app/shared';
 
 @Component({
@@ -24,27 +22,18 @@ import {
     styleUrls: ['./restore-page.component.scss'],
     templateUrl: './restore-page.component.html'
 })
-export class RestorePageComponent extends ResourceOwner implements OnInit {
-    public restoreJob: RestoreDto | null;
+export class RestorePageComponent {
     public restoreForm = new RestoreForm(this.formBuilder);
 
+    public restoreJob =
+        timer(0, 2000).pipe(switchSafe(() => this.backupsService.getRestore()));
+
     constructor(
         public readonly authState: AuthService,
         private readonly backupsService: BackupsService,
         private readonly dialogs: DialogService,
         private readonly formBuilder: FormBuilder
     ) {
-        super();
-    }
-
-    public ngOnInit() {
-        this.own(
-            timer(0, 2000).pipe(switchMap(() => this.backupsService.getRestore().pipe(onErrorResumeNext())))
-                .subscribe(job => {
-                    if (job) {
-                        this.restoreJob = job;
-                    }
-                }));
     }
 
     public restore() {

src/Squidex/app/features/administration/services/event-consumers.service.ts

@@ -40,15 +40,16 @@ export class EventConsumersService {
         const url = this.apiUrl.buildUrl('/api/event-consumers');
 
         return this.http.get<any[]>(url).pipe(
-                map(response => {
-                    return response.map(item => {
-                        return new EventConsumerDto(
+                map(body => {
+                    const eventConsumers = body.map(item =>
+                        new EventConsumerDto(
                             item.name,
                             item.isStopped,
                             item.isResetting,
                             item.error,
-                            item.position);
-                    });
+                            item.position));
+
+                    return eventConsumers;
                 }),
                 pretifyError('Failed to load event consumers. Please reload.'));
     }

src/Squidex/app/features/administration/services/users.service.ts

@@ -61,17 +61,16 @@ export class UsersService {
         const url = this.apiUrl.buildUrl(`api/user-management?take=${take}&skip=${skip}&query=${query || ''}`);
 
         return this.http.get<{ total: number, items: any[] }>(url).pipe(
-                map(response => {
-                    const users = response.items.map(item => {
-                        return new UserDto(
+                map(body => {
+                    const users = body.items.map(item =>
+                        new UserDto(
                             item.id,
                             item.email,
                             item.displayName,
                             item.permissions,
-                            item.isLocked);
-                    });
+                            item.isLocked));
 
-                    return new UsersDto(response.total, users);
+                    return new UsersDto(body.total, users);
                 }),
                 pretifyError('Failed to load users. Please reload.'));
     }
@@ -80,13 +79,15 @@ export class UsersService {
         const url = this.apiUrl.buildUrl(`api/user-management/${id}`);
 
         return this.http.get<any>(url).pipe(
-                map(response => {
-                    return new UserDto(
-                        response.id,
-                        response.email,
-                        response.displayName,
-                        response.permissions,
-                        response.isLocked);
+                map(body => {
+                    const user = new UserDto(
+                        body.id,
+                        body.email,
+                        body.displayName,
+                        body.permissions,
+                        body.isLocked);
+
+                    return user;
                 }),
                 pretifyError('Failed to load user. Please reload.'));
     }
@@ -95,13 +96,15 @@ export class UsersService {
         const url = this.apiUrl.buildUrl('api/user-management');
 
         return this.http.post<any>(url, dto).pipe(
-                map(response => {
-                    return new UserDto(
-                        response.id,
+                map(body => {
+                    const user = new UserDto(
+                        body.id,
                         dto.email,
                         dto.displayName,
                         dto.permissions,
                         false);
+
+                    return user;
                 }),
                 pretifyError('Failed to create user. Please reload.'));
     }

src/Squidex/app/features/administration/state/event-consumers.state.ts

@@ -7,11 +7,12 @@
 
 import { Injectable } from '@angular/core';
 import { Observable } from 'rxjs';
-import { distinctUntilChanged, map, share } from 'rxjs/operators';
+import { distinctUntilChanged, map, tap } from 'rxjs/operators';
 
 import {
     DialogService,
     ImmutableArray,
+    shareSubscribed,
     State
 } from '@app/shared';
 
@@ -49,66 +50,46 @@ export class EventConsumersState extends State<Snapshot> {
             this.resetState();
         }
 
-        const http$ =
-            this.eventConsumersService.getEventConsumers().pipe(
-                share());
-
-        http$.subscribe(response => {
+        return this.eventConsumersService.getEventConsumers().pipe(
+            tap(payload => {
                 if (isReload && !silent) {
                     this.dialogs.notifyInfo('Event Consumers reloaded.');
                 }
 
-            const eventConsumers = ImmutableArray.of(response);
+                const eventConsumers = ImmutableArray.of(payload);
 
                 this.next(s => {
                     return { ...s, eventConsumers, isLoaded: true };
                 });
-
-        }, error => {
-            if (!silent) {
-                this.dialogs.notifyError(error);
-            }
-        });
-
-        return http$;
+            }),
+            shareSubscribed(this.dialogs, { silent }));
     }
 
     public start(eventConsumer: EventConsumerDto): Observable<any> {
-        const http$ =
-            this.eventConsumersService.putStart(eventConsumer.name).pipe(
-                map(() => setStopped(eventConsumer, false), share()));
-
-        this.updateState(http$);
-
-        return http$;
+        return this.eventConsumersService.putStart(eventConsumer.name).pipe(
+            map(() => setStopped(eventConsumer, false)),
+            tap(updated => {
+                this.replaceEventConsumer(updated);
+            }),
+            shareSubscribed(this.dialogs));
     }
 
     public stop(eventConsumer: EventConsumerDto): Observable<EventConsumerDto> {
-        const http$ =
-            this.eventConsumersService.putStop(eventConsumer.name).pipe(
-                map(() => setStopped(eventConsumer, true), share()));
-
-        this.updateState(http$);
-
-        return http$;
-    }
-
-    public reset(eventConsumer: EventConsumerDto): Observable<any> {
-        const http$ =
-            this.eventConsumersService.putReset(eventConsumer.name).pipe(
-                map(() => reset(eventConsumer), share()));
-
-        this.updateState(http$);
-
-        return http$;
+        return this.eventConsumersService.putStop(eventConsumer.name).pipe(
+            map(() => setStopped(eventConsumer, true)),
+            tap(updated => {
+                this.replaceEventConsumer(updated);
+            }),
+            shareSubscribed(this.dialogs));
     }
 
-    private updateState(http$: Observable<EventConsumerDto>) {
-        http$.subscribe(updated => {
+    public reset(eventConsumer: EventConsumerDto): Observable<EventConsumerDto> {
+        return this.eventConsumersService.putReset(eventConsumer.name).pipe(
+            map(() => reset(eventConsumer)),
+            tap(updated => {
                 this.replaceEventConsumer(updated);
-        }, error => {
-            this.dialogs.notifyError(error);
-        });
+            }),
+            shareSubscribed(this.dialogs));
     }
 
     private replaceEventConsumer(eventConsumer: EventConsumerDto) {

src/Squidex/app/features/administration/state/users.state.ts

@@ -7,7 +7,7 @@
 
 import { Injectable } from '@angular/core';
 import { Observable, of } from 'rxjs';
-import { catchError, distinctUntilChanged, map, share } from 'rxjs/operators';
+import { catchError, distinctUntilChanged, map, tap } from 'rxjs/operators';
 
 import '@app/framework/utils/rxjs-extensions';
 
@@ -16,6 +16,7 @@ import {
     DialogService,
     ImmutableArray,
     Pager,
+    shareSubscribed,
     State
 } from '@app/shared';
 
@@ -81,15 +82,11 @@ export class UsersState extends State<Snapshot> {
     }
 
     public select(id: string | null): Observable<SnapshotUser | null> {
-        const http$ =
-            this.loadUser(id).pipe(
-                share());
-
-        http$.subscribe(selectedUser => {
+        return this.loadUser(id).pipe(
+            tap(selectedUser => {
                 this.next(s => ({ ...s, selectedUser }));
-        });
-
-        return http$;
+            }),
+            shareSubscribed(this.dialogs, { silent: true }));
     }
 
     private loadUser(id: string | null) {
@@ -115,21 +112,18 @@ export class UsersState extends State<Snapshot> {
     }
 
     private loadInternal(isReload = false): Observable<any> {
-        const http$ =
-            this.usersService.getUsers(
+        return this.usersService.getUsers(
                 this.snapshot.usersPager.pageSize,
                 this.snapshot.usersPager.skip,
                 this.snapshot.usersQuery).pipe(
-                share());
-
-        http$.subscribe(response => {
+            tap(({ total, items }) => {
                 if (isReload) {
                     this.dialogs.notifyInfo('Users reloaded.');
                 }
 
                 this.next(s => {
-                const usersPager = s.usersPager.setCount(response.total);
-                const users = ImmutableArray.of(response.items.map(x => this.createUser(x)));
+                    const usersPager = s.usersPager.setCount(total);
+                    const users = ImmutableArray.of(items.map(x => this.createUser(x)));
 
                     let selectedUser = s.selectedUser;
 
@@ -139,59 +133,48 @@ export class UsersState extends State<Snapshot> {
 
                     return { ...s, users, usersPager, selectedUser, isLoaded: true };
                 });
-
-        }, error => {
-            this.dialogs.notifyError(error);
-        });
-
-        return http$;
+            }),
+            shareSubscribed(this.dialogs));
     }
 
     public create(request: CreateUserDto): Observable<UserDto> {
-        const http$ =
-            this.usersService.postUser(request).pipe(
-                share());
-
-        http$.subscribe(dto => {
+        return this.usersService.postUser(request).pipe(
+            tap(payload => {
                 this.next(s => {
-                const users = s.users.pushFront(this.createUser(dto));
+                    const users = s.users.pushFront(this.createUser(payload));
                     const usersPager = s.usersPager.incrementCount();
 
                     return { ...s, users, usersPager };
                 });
-        });
-
-        return http$;
+            }),
+            shareSubscribed(this.dialogs, { silent: true }));
     }
 
     public update(user: UserDto, request: UpdateUserDto): Observable<UserDto> {
-        const http$ =
-            this.usersService.putUser(user.id, request).pipe(
-                map(() => update(user, request)), share());
-
-        this.updateState(http$, false);
-
-        return http$;
+        return this.usersService.putUser(user.id, request).pipe(
+            map(() => update(user, request)),
+            tap(updated => {
+                this.replaceUser(updated);
+            }),
+            shareSubscribed(this.dialogs));
     }
 
     public lock(user: UserDto): Observable<UserDto> {
-        const http$ =
-            this.usersService.lockUser(user.id).pipe(
-                map(() => setLocked(user, true)), share());
-
-        this.updateState(http$, true);
-
-        return http$;
+        return this.usersService.lockUser(user.id).pipe(
+            map(() => setLocked(user, true)),
+            tap(updated => {
+                this.replaceUser(updated);
+            }),
+            shareSubscribed(this.dialogs));
     }
 
     public unlock(user: UserDto): Observable<UserDto> {
-        const http$ =
-            this.usersService.unlockUser(user.id).pipe(
-                map(() => setLocked(user, false)), share());
-
-        this.updateState(http$, true);
-
-        return http$;
+        return this.usersService.unlockUser(user.id).pipe(
+            map(() => setLocked(user, false)),
+            tap(updated => {
+                this.replaceUser(updated);
+            }),
+            shareSubscribed(this.dialogs));
     }
 
     public search(query: string): Observable<UsersResult> {
@@ -214,7 +197,7 @@ export class UsersState extends State<Snapshot> {
 
     private replaceUser(user: UserDto) {
         return this.next(s => {
-            const users = s.users.map(u => u.user.id === user.id ? this.createUser(user, u) : u);
+            const users = s.users.map(u => u.user.id === user.id ? this.createUser(user) : u);
 
             const selectedUser =
                 s.selectedUser &&
@@ -230,26 +213,10 @@ export class UsersState extends State<Snapshot> {
         return this.authState.user!.id;
     }
 
-    private updateState(stream: Observable<UserDto>, notify: boolean) {
-        stream.subscribe(dto => {
-            this.replaceUser(dto);
-        }, error => {
-            if (notify) {
-                this.dialogs.notifyError(error);
-            }
-        });
-    }
-
-    private createUser(user: UserDto, current?: SnapshotUser): SnapshotUser {
-        if (!user) {
-            return null!;
-        } else if (current && current.user === user) {
-            return current;
-        } else {
+    private createUser(user: UserDto): SnapshotUser {
         return { user, isCurrentUser: user.id === this.userId };
     }
 }
-}
 
 
 const update = (user: UserDto, request: UpdateUserDto) =>

src/Squidex/app/features/assets/pages/assets-filters-page.component.ts

@@ -6,7 +6,6 @@
  */
 
 import { Component } from '@angular/core';
-import { onErrorResumeNext } from 'rxjs/operators';
 
 import {
     AssetsState,
@@ -29,19 +28,19 @@ export class AssetsFiltersPageComponent {
     }
 
     public search(query: string) {
-        this.assetsState.search(query).pipe(onErrorResumeNext()).subscribe();
+        this.assetsState.search(query);
     }
 
     public selectTags(tags: string[]) {
-        this.assetsState.selectTags(tags).pipe(onErrorResumeNext()).subscribe();
+        this.assetsState.selectTags(tags);
     }
 
     public toggleTag(tag: string) {
-        this.assetsState.toggleTag(tag).pipe(onErrorResumeNext()).subscribe();
+        this.assetsState.toggleTag(tag);
     }
 
     public resetTags() {
-        this.assetsState.resetTags().pipe(onErrorResumeNext()).subscribe();
+        this.assetsState.resetTags();
     }
 
     public isSelectedQuery(query: string) {

src/Squidex/app/features/assets/pages/assets-page.component.ts

@@ -7,7 +7,6 @@
 
 import { Component, OnInit } from '@angular/core';
 import { FormControl } from '@angular/forms';
-import { onErrorResumeNext } from 'rxjs/operators';
 
 import {
     AppsState,
@@ -45,7 +44,7 @@ export class AssetsPageComponent extends ResourceOwner implements OnInit {
     }
 
     public ngOnInit() {
-        this.assetsState.load().pipe(onErrorResumeNext()).subscribe();
+        this.assetsState.load();
 
         this.own(
             this.assetsState.assetsQuery
@@ -55,27 +54,27 @@ export class AssetsPageComponent extends ResourceOwner implements OnInit {
     }
 
     public reload() {
-        this.assetsState.load(true).pipe(onErrorResumeNext()).subscribe();
+        this.assetsState.load(true);
     }
 
     public search() {
-        this.assetsState.search(this.filter.apiFilter).pipe(onErrorResumeNext()).subscribe();
+        this.assetsState.search(this.filter.apiFilter);
     }
 
     public selectTags(tags: string[]) {
-        this.assetsState.selectTags(tags).pipe(onErrorResumeNext()).subscribe();
+        this.assetsState.selectTags(tags);
     }
 
     public toggleTag(tag: string) {
-        this.assetsState.toggleTag(tag).pipe(onErrorResumeNext()).subscribe();
+        this.assetsState.toggleTag(tag);
     }
 
     public goNext() {
-        this.assetsState.goNext().pipe(onErrorResumeNext()).subscribe();
+        this.assetsState.goNext();
     }
 
     public goPrev() {
-        this.assetsState.goPrev().pipe(onErrorResumeNext()).subscribe();
+        this.assetsState.goPrev();
     }
 
     public changeView(isListView: boolean) {

src/Squidex/app/features/content/pages/content/content-history-page.component.ts

@@ -8,7 +8,7 @@
 import { Component } from '@angular/core';
 import { ActivatedRoute } from '@angular/router';
 import { merge, Observable, timer } from 'rxjs';
-import { delay, onErrorResumeNext, switchMap } from 'rxjs/operators';
+import { delay } from 'rxjs/operators';
 
 import {
     allParams,
@@ -17,6 +17,7 @@ import {
     HistoryEventDto,
     HistoryService,
     MessageBus,
+    switchSafe,
     Version
 } from '@app/shared';
 
@@ -51,7 +52,7 @@ export class ContentHistoryPageComponent {
             timer(0, 10000),
             this.messageBus.of(HistoryChannelUpdated).pipe(delay(1000))
         ).pipe(
-            switchMap(() => this.historyService.getHistory(this.appsState.appName, this.channel).pipe(onErrorResumeNext())));
+            switchSafe(() => this.historyService.getHistory(this.appsState.appName, this.channel)));
 
     constructor(
         private readonly appsState: AppsState,

src/Squidex/app/features/content/pages/content/content-page.component.ts

@@ -171,7 +171,7 @@ export class ContentPageComponent extends ResourceOwner implements CanComponentD
     }
 
     public discardChanges() {
-        this.contentsState.discardChanges(this.content).pipe(onErrorResumeNext()).subscribe();
+        this.contentsState.discardChanges(this.content);
     }
 
     public publish() {

src/Squidex/app/features/content/pages/contents/contents-filters-page.component.ts

@@ -6,7 +6,6 @@
  */
 
 import { Component, OnInit } from '@angular/core';
-import { onErrorResumeNext } from 'rxjs/operators';
 
 import {
     ContentsState,
@@ -43,7 +42,7 @@ export class ContentsFiltersPageComponent extends ResourceOwner implements OnIni
     }
 
     public search(query: string) {
-        this.contentsState.search(query).pipe(onErrorResumeNext()).subscribe();
+        this.contentsState.search(query);
     }
 
     public isSelectedQuery(query: string) {

src/Squidex/app/features/content/pages/contents/contents-page.component.ts

@@ -77,7 +77,7 @@ export class ContentsPageComponent extends ResourceOwner implements OnInit {
                     this.schema = schema!;
                     this.schemaQueries = new Queries(this.uiState, `schemas.${this.schema.name}`);
 
-                    this.contentsState.init().pipe(onErrorResumeNext()).subscribe();
+                    this.contentsState.init();
                 }));
 
         this.own(
@@ -103,15 +103,15 @@ export class ContentsPageComponent extends ResourceOwner implements OnInit {
     }
 
     public reload() {
-        this.contentsState.load(true).pipe(onErrorResumeNext()).subscribe();
+        this.contentsState.load(true);
     }
 
     public deleteSelected() {
-        this.contentsState.deleteMany(this.selectItems()).pipe(onErrorResumeNext()).subscribe();
+        this.contentsState.deleteMany(this.selectItems());
     }
 
     public delete(content: ContentDto) {
-        this.contentsState.deleteMany([content]).pipe(onErrorResumeNext()).subscribe();
+        this.contentsState.deleteMany([content]);
     }
 
     public publish(content: ContentDto) {
@@ -147,7 +147,7 @@ export class ContentsPageComponent extends ResourceOwner implements OnInit {
     }
 
     public clone(content: ContentDto) {
-        this.contentsState.create(content.dataDraft, false).pipe(onErrorResumeNext()).subscribe();
+        this.contentsState.create(content.dataDraft, false);
     }
 
     private changeContentItems(contents: ContentDto[], action: string) {
@@ -165,19 +165,19 @@ export class ContentsPageComponent extends ResourceOwner implements OnInit {
     }
 
     public goArchive(isArchive: boolean) {
-        this.contentsState.goArchive(isArchive).pipe(onErrorResumeNext()).subscribe();
+        this.contentsState.goArchive(isArchive);
     }
 
     public goPrev() {
-        this.contentsState.goPrev().pipe(onErrorResumeNext()).subscribe();
+        this.contentsState.goPrev();
     }
 
     public goNext() {
-        this.contentsState.goNext().pipe(onErrorResumeNext()).subscribe();
+        this.contentsState.goNext();
     }
 
     public search() {
-        this.contentsState.search(this.filter.apiFilter).pipe(onErrorResumeNext()).subscribe();
+        this.contentsState.search(this.filter.apiFilter);
     }
 
     public selectLanguage(language: AppLanguageDto) {

src/Squidex/app/features/content/pages/schemas/schemas-page.component.ts

@@ -7,7 +7,6 @@
 
 import { Component, OnInit } from '@angular/core';
 import { FormControl } from '@angular/forms';
-import { onErrorResumeNext } from 'rxjs/operators';
 
 import { AppsState, SchemasState } from '@app/shared';
 
@@ -26,7 +25,7 @@ export class SchemasPageComponent implements OnInit {
     }
 
     public ngOnInit() {
-        this.schemasState.load().pipe(onErrorResumeNext()).subscribe();
+        this.schemasState.load();
     }
 
     public trackByCategory(index: number, category: string) {

src/Squidex/app/features/content/shared/contents-selector.component.ts

@@ -6,7 +6,6 @@
  */
 
 import { Component, EventEmitter, Input, OnInit, Output } from '@angular/core';
-import { onErrorResumeNext } from 'rxjs/operators';
 
 import {
     ContentDto,
@@ -54,23 +53,23 @@ export class ContentsSelectorComponent implements OnInit {
     public ngOnInit() {
         this.contentsState.schema = this.schema;
 
-        this.contentsState.load().pipe(onErrorResumeNext()).subscribe();
+        this.contentsState.load();
     }
 
     public reload() {
-        this.contentsState.load(true).pipe(onErrorResumeNext()).subscribe();
+        this.contentsState.load(true);
     }
 
     public search() {
-        this.contentsState.search(this.filter.apiFilter).pipe(onErrorResumeNext()).subscribe();
+        this.contentsState.search(this.filter.apiFilter);
     }
 
     public goNext() {
-        this.contentsState.goNext().pipe(onErrorResumeNext()).subscribe();
+        this.contentsState.goNext();
     }
 
     public goPrev() {
-        this.contentsState.goPrev().pipe(onErrorResumeNext()).subscribe();
+        this.contentsState.goPrev();
     }
 
     public isItemSelected(content: ContentDto) {

src/Squidex/app/features/rules/pages/events/rule-events-page.component.ts

@@ -6,7 +6,6 @@
  */
 
 import { Component, OnInit } from '@angular/core';
-import { onErrorResumeNext } from 'rxjs/operators';
 
 import {
     AppsState,
@@ -29,27 +28,27 @@ export class RuleEventsPageComponent implements OnInit {
     }
 
     public ngOnInit() {
-        this.ruleEventsState.load().pipe(onErrorResumeNext()).subscribe();
+        this.ruleEventsState.load();
     }
 
     public reload() {
-        this.ruleEventsState.load(true).pipe(onErrorResumeNext()).subscribe();
+        this.ruleEventsState.load(true);
     }
 
     public goNext() {
-        this.ruleEventsState.goNext().pipe(onErrorResumeNext()).subscribe();
+        this.ruleEventsState.goNext();
     }
 
     public goPrev() {
-        this.ruleEventsState.goPrev().pipe(onErrorResumeNext()).subscribe();
+        this.ruleEventsState.goPrev();
     }
 
     public enqueue(event: RuleEventDto) {
-        this.ruleEventsState.enqueue(event).pipe(onErrorResumeNext()).subscribe();
+        this.ruleEventsState.enqueue(event);
     }
 
     public cancel(event: RuleEventDto) {
-        this.ruleEventsState.cancel(event).pipe(onErrorResumeNext()).subscribe();
+        this.ruleEventsState.cancel(event);
     }
 
     public selectEvent(id: string) {

src/Squidex/app/features/schemas/pages/schema/field.component.ts

@@ -7,7 +7,6 @@
 
 import { Component, Input, OnChanges, SimpleChanges } from '@angular/core';
 import { FormBuilder } from '@angular/forms';
-import { onErrorResumeNext } from 'rxjs/operators';
 
 import {
     createProperties,
@@ -82,23 +81,23 @@ export class FieldComponent implements OnChanges {
     }
 
     public deleteField() {
-        this.schemasState.deleteField(this.schema, this.field).pipe(onErrorResumeNext()).subscribe();
+        this.schemasState.deleteField(this.schema, this.field);
     }
 
     public enableField() {
-        this.schemasState.enableField(this.schema, this.field).pipe(onErrorResumeNext()).subscribe();
+        this.schemasState.enableField(this.schema, this.field);
     }
 
     public disableField() {
-        this.schemasState.disableField(this.schema, this.field).pipe(onErrorResumeNext()).subscribe();
+        this.schemasState.disableField(this.schema, this.field);
     }
 
     public showField() {
-        this.schemasState.showField(this.schema, this.field).pipe(onErrorResumeNext()).subscribe();
+        this.schemasState.showField(this.schema, this.field);
     }
 
     public hideField() {
-        this.schemasState.hideField(this.schema, this.field).pipe(onErrorResumeNext()).subscribe();
+        this.schemasState.hideField(this.schema, this.field);
     }
 
     public sortFields(fields: NestedFieldDto[]) {
@@ -106,7 +105,7 @@ export class FieldComponent implements OnChanges {
     }
 
     public lockField() {
-        this.schemasState.lockField(this.schema, this.field).pipe(onErrorResumeNext()).subscribe();
+        this.schemasState.lockField(this.schema, this.field);
     }
 
     public trackByField(index: number, field: NestedFieldDto) {

src/Squidex/app/features/schemas/pages/schema/schema-page.component.ts

@@ -9,7 +9,6 @@
 
 import { Component, OnInit } from '@angular/core';
 import { ActivatedRoute, Router } from '@angular/router';
-import { onErrorResumeNext } from 'rxjs/operators';
 
 import {
     AppsState,
@@ -66,7 +65,7 @@ export class SchemaPageComponent extends ResourceOwner implements OnInit {
     }
 
     public ngOnInit() {
-        this.patternsState.load().pipe(onErrorResumeNext()).subscribe();
+        this.patternsState.load();
 
         this.own(
             this.schemasState.selectedSchema

src/Squidex/app/features/schemas/pages/schemas/schemas-page.component.ts

@@ -8,7 +8,7 @@
 import { Component, OnInit } from '@angular/core';
 import { FormBuilder, FormControl } from '@angular/forms';
 import { ActivatedRoute, Router } from '@angular/router';
-import { map, onErrorResumeNext } from 'rxjs/operators';
+import { map } from 'rxjs/operators';
 
 import {
     AppsState,
@@ -63,7 +63,7 @@ export class SchemasPageComponent extends ResourceOwner implements OnInit {
                     }
                 }));
 
-        this.schemasState.load().pipe(onErrorResumeNext()).subscribe();
+        this.schemasState.load();
     }
 
     public removeCategory(name: string) {

src/Squidex/app/features/settings/pages/languages/language.component.ts

@@ -7,7 +7,6 @@
 
 import { Component, Input, OnChanges } from '@angular/core';
 import { FormBuilder } from '@angular/forms';
-import { onErrorResumeNext } from 'rxjs/operators';
 
 import {
     AppLanguageDto,
@@ -56,7 +55,7 @@ export class LanguageComponent implements OnChanges {
     }
 
     public remove() {
-        this.languagesState.remove(this.language).pipe(onErrorResumeNext()).subscribe();
+        this.languagesState.remove(this.language);
     }
 
     public save() {

src/Squidex/app/features/settings/pages/languages/languages-page.component.ts

@@ -7,7 +7,6 @@
 
 import { Component, OnInit } from '@angular/core';
 import { FormBuilder } from '@angular/forms';
-import { onErrorResumeNext } from 'rxjs/operators';
 
 import {
     AddLanguageForm,
@@ -42,11 +41,11 @@ export class LanguagesPageComponent extends ResourceOwner implements OnInit {
                     }
                 }));
 
-        this.languagesState.load().pipe(onErrorResumeNext()).subscribe();
+        this.languagesState.load();
     }
 
     public reload() {
-        this.languagesState.load(true).pipe(onErrorResumeNext()).subscribe();
+        this.languagesState.load(true);
     }
 
     public addLanguage() {

src/Squidex/app/features/settings/pages/patterns/pattern.component.ts

@@ -7,7 +7,6 @@
 
 import { Component, Input, OnInit } from '@angular/core';
 import { FormBuilder } from '@angular/forms';
-import { onErrorResumeNext } from 'rxjs/operators';
 
 import {
     EditPatternForm,
@@ -41,7 +40,7 @@ export class PatternComponent implements OnInit {
     }
 
     public delete() {
-        this.patternsState.delete(this.pattern).pipe(onErrorResumeNext()).subscribe();
+        this.patternsState.delete(this.pattern);
     }
 
     public save() {

src/Squidex/app/features/settings/pages/patterns/patterns-page.component.ts

@@ -6,7 +6,6 @@
  */
 
 import { Component, OnInit } from '@angular/core';
-import { onErrorResumeNext } from 'rxjs/operators';
 
 import {
     AppsState,
@@ -27,11 +26,11 @@ export class PatternsPageComponent implements OnInit {
     }
 
     public ngOnInit() {
-        this.patternsState.load().pipe(onErrorResumeNext()).subscribe();
+        this.patternsState.load();
     }
 
     public reload() {
-        this.patternsState.load(true).pipe(onErrorResumeNext()).subscribe();
+        this.patternsState.load(true);
     }
 
     public trackByPattern(index: number, pattern: PatternDto) {

src/Squidex/app/features/settings/pages/plans/plans-page.component.ts

@@ -7,7 +7,6 @@
 
 import { Component, OnInit } from '@angular/core';
 import { ActivatedRoute } from '@angular/router';
-import { onErrorResumeNext } from 'rxjs/operators';
 
 import {
     ApiUrlConfig,
@@ -39,15 +38,15 @@ export class PlansPageComponent implements OnInit {
             this.overridePlanId = params['planId'];
         }).unsubscribe();
 
-        this.plansState.load(false, this.overridePlanId).pipe(onErrorResumeNext()).subscribe();
+        this.plansState.load(false, this.overridePlanId);
     }
 
     public reload() {
-        this.plansState.load(true, this.overridePlanId).pipe(onErrorResumeNext()).subscribe();
+        this.plansState.load(true, this.overridePlanId);
     }
 
     public change(planId: string) {
-        this.plansState.change(planId).pipe(onErrorResumeNext()).subscribe();
+        this.plansState.change(planId);
     }
 
     public trackByPlan(index: number, planInfo: { plan: PlanDto }) {

src/Squidex/app/features/settings/pages/roles/role.component.ts

@@ -7,7 +7,6 @@
 
 import { Component, Input, OnChanges, ViewChild } from '@angular/core';
 import { FormBuilder } from '@angular/forms';
-import { onErrorResumeNext } from 'rxjs/operators';
 
 import {
     AddPermissionForm,
@@ -76,7 +75,7 @@ export class RoleComponent implements OnChanges {
     }
 
     public remove() {
-        this.rolesState.delete(this.role).pipe(onErrorResumeNext()).subscribe();
+        this.rolesState.delete(this.role);
     }
 
     public addPermission() {

src/Squidex/app/features/settings/pages/roles/roles-page.component.ts

@@ -8,7 +8,6 @@
 import { Component, OnInit } from '@angular/core';
 import { FormBuilder } from '@angular/forms';
 import { Observable, of } from 'rxjs';
-import { onErrorResumeNext } from 'rxjs/operators';
 
 import {
     AddRoleForm,
@@ -50,11 +49,11 @@ export class RolesPageComponent implements OnInit {
     }
 
     public ngOnInit() {
-        this.rolesState.load().pipe(onErrorResumeNext()).subscribe();
+        this.rolesState.load();
     }
 
     public reload() {
-        this.rolesState.load(true).pipe(onErrorResumeNext()).subscribe();
+        this.rolesState.load(true);
     }
 
     public cancelAddRole() {

src/Squidex/app/framework/angular/http/http-extensions.ts

@@ -56,7 +56,7 @@ export module HTTP {
         return httpRequest.pipe(map((response: HttpResponse<T>) => {
             const etag = response.headers.get('etag') || '';
 
-            return new Versioned(new Version(etag), response);
+            return { version: new Version(etag), payload: response };
         }));
     }
 }

src/Squidex/app/framework/utils/rxjs-extensions.ts

@@ -5,16 +5,61 @@
  * Copyright (c) Squidex UG (haftungsbeschränkt). All rights reserved.
  */
 
+// tslint:disable: only-arrow-functions
+
 import { Observable, throwError } from 'rxjs';
-import { catchError } from 'rxjs/operators';
+import { catchError, map, onErrorResumeNext, shareReplay, switchMap } from 'rxjs/operators';
 
 import { DialogService } from './../services/dialog.service';
 
-/* tslint:disable:no-shadowed-variable */
+import {
+    Version,
+    versioned,
+    Versioned
+} from './version';
+
+export function mapVersioned<T = any, R = any>(project: (value: T, version: Version) => R) {
+    return function mapOperation(source: Observable<Versioned<T>>) {
+        return source.pipe(map<Versioned<T>, Versioned<R>>(({ version, payload }) => {
+            return versioned(version, project(payload, version));
+        }));
+    };
+}
 
-export const notify = (dialogs: DialogService) => <T>(source: Observable<T>) =>
-    source.pipe(catchError(error => {
+export function notify<T>(dialogs: DialogService) {
+    return function mapOperation(source: Observable<T>) {
+        return source.pipe(catchError(error => {
             dialogs.notifyError(error);
 
             return throwError(error);
         }));
+    };
+}
+
+type Options<T, R = T> = { silent?: boolean, project?: ((value: T) => R) };
+
+export function shareSubscribed<T, R = T>(dialogs: DialogService, options?: Options<T, R>) {
+    return function mapOperation(source: Observable<T>) {
+        const shared = source.pipe(shareReplay());
+
+        shared.subscribe(undefined, error => {
+            if (dialogs && (!options || !options.silent)) {
+                dialogs.notifyError(error);
+            }
+        });
+
+        if (options && !!options.project) {
+            const project = options.project;
+
+            return shared.pipe(map(x => project(x)));
+        } else {
+            return <any>shared;
+        }
+    };
+}
+
+export function switchSafe<T, R>(project: (source: T) => Observable<R>) {
+    return function mapOperation(source: Observable<T>) {
+        return source.pipe(switchMap(project), onErrorResumeNext<R, R>());
+    };
+}

src/Squidex/app/framework/utils/version.spec.ts

@@ -5,7 +5,7 @@
  * Copyright (c) Squidex UG (haftungsbeschränkt). All rights reserved.
  */
 
-import { Version, Versioned } from './version';
+import { Version } from './version';
 
 describe('Version', () => {
     it('should initialize with init value', () => {
@@ -21,12 +21,3 @@ describe('Version', () => {
         expect(new Version('W/2').eq(new Version('W/2'))).toBeTruthy();
     });
 });
-
-describe('Versioned', () => {
-    it('should initialize with version and payload', () => {
-        const versioned = new Versioned(new Version('1.0'), 123);
-
-        expect(versioned.version.value).toBe('1.0');
-        expect(versioned.payload).toBe(123);
-    });
-});

src/Squidex/app/framework/utils/version.ts

@@ -24,10 +24,8 @@ export class Version {
     }
 }
 
-export class Versioned<T> {
-    constructor(
-        public readonly version: Version,
-        public readonly payload: T
-    ) {
-    }
+export function versioned<T = any>(version: Version, payload: T = undefined!): Versioned<T> {
+    return { version, payload };
 }
+
+export type Versioned<T> = { readonly version: Version, readonly payload: T };

src/Squidex/app/shared/components/asset-uploader.component.ts

@@ -10,8 +10,7 @@ import { ChangeDetectionStrategy, Component } from '@angular/core';
 import {
     AssetsState,
     DialogModel,
-    fadeAnimation,
-    UploadingAsset
+    fadeAnimation
 } from '@app/shared/internal';
 
 @Component({
@@ -31,19 +30,7 @@ export class AssetUploaderComponent {
     ) {
     }
 
-    public addFiles(files: File[]) {
-        for (let file of files) {
-            this.assets.upload(file).subscribe();
-        }
-
+    public addFiles() {
         this.modalMenu.show();
     }
-
-    public stopUpload(upload: UploadingAsset) {
-        this.assets.remove(upload);
-    }
-
-    public trackByUpload(index: number, upload: UploadingAsset) {
-        return upload.id;
-    }
 }

src/Squidex/app/shared/components/asset.component.ts

@@ -17,8 +17,7 @@ import {
     DialogService,
     fadeAnimation,
     StatefulComponent,
-    Types,
-    Versioned
+    Types
 } from '@app/shared/internal';
 
 interface State {
@@ -101,10 +100,10 @@ export class AssetComponent extends StatefulComponent<State> implements OnInit {
 
             this.assetsService.uploadFile(this.appsState.appName, initFile, this.authState.user!.token, DateTime.now())
                 .subscribe(dto => {
-                    if (Types.is(dto, AssetDto)) {
-                        this.emitLoad(dto);
-                    } else {
+                    if (Types.isNumber(dto)) {
                         this.setProgress(dto);
+                    } else {
+                        this.emitLoad(dto);
                     }
                 }, error => {
                     this.dialogs.notifyError(error);
@@ -120,10 +119,10 @@ export class AssetComponent extends StatefulComponent<State> implements OnInit {
 
             this.assetsService.replaceFile(this.appsState.appName, this.asset.id, files[0], this.asset.version)
                 .subscribe(dto => {
-                    if (Types.is(dto, Versioned)) {
-                        this.updateAsset(this.asset.update(dto.payload, this.authState.user!.token, dto.version), true);
-                    } else {
+                    if (Types.isNumber(dto)) {
                         this.setProgress(dto);
+                    } else {
+                        this.updateAsset(this.asset.update(dto.payload, this.authState.user!.token, dto.version), true);
                     }
                 }, error => {
                     this.dialogs.notifyError(error);

src/Squidex/app/shared/components/assets-list.component.ts

@@ -11,7 +11,7 @@ import { onErrorResumeNext } from 'rxjs/operators';
 import {
     AssetDto,
     AssetsState,
-    AssetWithUpload
+    ImmutableArray
 } from '@app/shared/internal';
 
 @Component({
@@ -21,6 +21,8 @@ import {
     changeDetection: ChangeDetectionStrategy.OnPush
 })
 export class AssetsListComponent {
+    public newFiles = ImmutableArray.empty<File>();
+
     @Input()
     public state: AssetsState;
 
@@ -36,6 +38,12 @@ export class AssetsListComponent {
     @Output()
     public select = new EventEmitter<AssetDto>();
 
+    public add(file: File, asset: AssetDto) {
+        this.newFiles = this.newFiles.remove(file);
+
+        this.state.add(asset);
+    }
+
     public search() {
         this.state.load().pipe(onErrorResumeNext()).subscribe();
     }
@@ -56,10 +64,6 @@ export class AssetsListComponent {
         this.state.update(asset);
     }
 
-    public updateFile(asset: AssetDto, file: File) {
-        this.state.replaceFile(asset, file).pipe(onErrorResumeNext()).subscribe();
-    }
-
     public emitSelect(asset: AssetDto) {
         this.select.emit(asset);
     }
@@ -68,9 +72,13 @@ export class AssetsListComponent {
         return this.selectedIds && this.selectedIds[asset.id];
     }
 
+    public remove(file: File) {
+        this.newFiles = this.newFiles.remove(file);
+    }
+
     public addFiles(files: File[]) {
         for (let file of files) {
-            this.state.upload(file);
+            this.newFiles = this.newFiles.pushFront(file);
         }
 
         return true;
@@ -79,9 +87,4 @@ export class AssetsListComponent {
     public trackByAsset(index: number, asset: AssetDto) {
         return asset.id;
     }
-
-    public trackByUpload(index: number, upload: AssetWithUpload) {
-        return upload.asset.id;
 }
-}
-

src/Squidex/app/shared/components/assets-selector.component.ts

@@ -6,7 +6,6 @@
  */
 
 import { ChangeDetectionStrategy, ChangeDetectorRef, Component, EventEmitter, OnInit, Output } from '@angular/core';
-import { onErrorResumeNext } from 'rxjs/operators';
 
 import {
     AssetDto,
@@ -51,15 +50,15 @@ export class AssetsSelectorComponent extends StatefulComponent<State> implements
     }
 
     public ngOnInit() {
-        this.assetsState.load().pipe(onErrorResumeNext()).subscribe();
+        this.assetsState.load();
     }
 
     public reload() {
-        this.assetsState.load(true).pipe(onErrorResumeNext()).subscribe();
+        this.assetsState.load(true);
     }
 
     public search() {
-        this.assetsState.search(this.filter.apiFilter).pipe(onErrorResumeNext()).subscribe();
+        this.assetsState.search(this.filter.apiFilter);
     }
 
     public emitComplete() {
@@ -71,7 +70,7 @@ export class AssetsSelectorComponent extends StatefulComponent<State> implements
     }
 
     public selectTags(tags: string[]) {
-        this.assetsState.selectTags(tags).pipe(onErrorResumeNext()).subscribe();
+        this.assetsState.selectTags(tags);
     }
 
     public selectAsset(asset: AssetDto) {

src/Squidex/app/shared/components/history.component.ts

@@ -8,7 +8,7 @@
 import { ChangeDetectionStrategy, Component } from '@angular/core';
 import { ActivatedRoute } from '@angular/router';
 import { merge, Observable, timer } from 'rxjs';
-import { delay, onErrorResumeNext, switchMap } from 'rxjs/operators';
+import { delay } from 'rxjs/operators';
 
 import {
     allParams,
@@ -16,7 +16,8 @@ import {
     HistoryChannelUpdated,
     HistoryEventDto,
     HistoryService,
-    MessageBus
+    MessageBus,
+    switchSafe
 } from '@app/shared/internal';
 
 @Component({
@@ -33,7 +34,7 @@ export class HistoryComponent {
             timer(0, 10000),
             this.messageBus.of(HistoryChannelUpdated).pipe(delay(1000))
         ).pipe(
-            switchMap(() => this.historyService.getHistory(this.appsState.appName, this.channel).pipe(onErrorResumeNext())));
+            switchSafe(() => this.historyService.getHistory(this.appsState.appName, this.channel)));
 
     constructor(
         private readonly appsState: AppsState,

src/Squidex/app/shared/components/schema-category.component.ts

@@ -6,7 +6,6 @@
  */
 
 import { ChangeDetectionStrategy, ChangeDetectorRef, Component, EventEmitter, Input, OnChanges, OnInit, Output, SimpleChanges } from '@angular/core';
-import { onErrorResumeNext } from 'rxjs/operators';
 
 import {
     fadeAnimation,
@@ -127,7 +126,7 @@ export class SchemaCategoryComponent extends StatefulComponent<State> implements
     }
 
     public changeCategory(schema: SchemaDto) {
-        this.schemasState.changeCategory(schema, this.name).pipe(onErrorResumeNext()).subscribe();
+        this.schemasState.changeCategory(schema, this.name);
     }
 
     public emitRemove() {

src/Squidex/app/shared/services/app-languages.service.spec.ts

@@ -71,11 +71,13 @@ describe('AppLanguagesService', () => {
             }
         });
 
-        expect(languages!).toEqual(
-            new AppLanguagesDto([
+        expect(languages!).toEqual({
+            payload: [
                 new AppLanguageDto('en', 'English', true, true,  ['de', 'en']),
                 new AppLanguageDto('it', 'Italian', false, false, [])
-            ], new Version('2')));
+            ],
+            version: new Version('2')
+        });
     }));
 
     it('should make post request to add language',

src/Squidex/app/shared/services/app-languages.service.ts

@@ -8,12 +8,13 @@
 import { HttpClient } from '@angular/common/http';
 import { Injectable } from '@angular/core';
 import { Observable } from 'rxjs';
-import { map, tap } from 'rxjs/operators';
+import { tap } from 'rxjs/operators';
 
 import {
     AnalyticsService,
     ApiUrlConfig,
     HTTP,
+    mapVersioned,
     Model,
     pretifyError,
     Version,
@@ -22,14 +23,7 @@ import {
 
 import { LanguageDto } from './languages.service';
 
-export class AppLanguagesDto extends Model<AppLanguagesDto> {
-    constructor(
-        public readonly languages: AppLanguageDto[],
-        public readonly version: Version
-    ) {
-        super();
-    }
-}
+export type AppLanguagesDto = Versioned<AppLanguageDto[]>;
 
 export class AppLanguageDto extends Model<AppLanguageDto> {
     constructor(
@@ -75,21 +69,18 @@ export class AppLanguagesService {
         const url = this.apiUrl.buildUrl(`api/apps/${appName}/languages`);
 
         return HTTP.getVersioned<any>(this.http, url).pipe(
-                map(response => {
-                    const body = response.payload.body;
-
+                mapVersioned(({ body }) => {
                     const items: any[] = body;
 
-                    const languages = items.map(item => {
-                        return new AppLanguageDto(
+                    const languages = items.map(item =>
+                        new AppLanguageDto(
                             item.iso2Code,
                             item.englishName,
                             item.isMaster,
                             item.isOptional,
-                            item.fallback || []);
-                    });
+                            item.fallback || []));
 
-                    return new AppLanguagesDto(languages, response.version);
+                    return languages;
                 }),
                 pretifyError('Failed to load languages. Please reload.'));
     }
@@ -98,9 +89,7 @@ export class AppLanguagesService {
         const url = this.apiUrl.buildUrl(`api/apps/${appName}/languages`);
 
         return HTTP.postVersioned<any>(this.http, url, dto, version).pipe(
-                map(response => {
-                    const body = response.payload.body;
-
+                mapVersioned(({ body }) => {
                     const language = new AppLanguageDto(
                         body.iso2Code,
                         body.englishName,
@@ -108,7 +97,7 @@ export class AppLanguagesService {
                         body.isOptional,
                         body.fallback || []);
 
-                    return new Versioned(response.version, language);
+                    return language;
                 }),
                 tap(() => {
                     this.analytics.trackEvent('Language', 'Added', appName);

src/Squidex/app/shared/services/apps.service.ts

@@ -14,7 +14,6 @@ import {
     AnalyticsService,
     ApiUrlConfig,
     DateTime,
-    HTTP,
     Model,
     Permission,
     pretifyError
@@ -51,13 +50,9 @@ export class AppsService {
     public getApps(): Observable<AppDto[]> {
         const url = this.apiUrl.buildUrl('/api/apps');
 
-        return HTTP.getVersioned<any>(this.http, url).pipe(
-                map(response => {
-                    const body = response.payload.body;
-
-                    const items: any[] = body;
-
-                    return items.map(item => {
+        return this.http.get<any[]>(url).pipe(
+                map(body => {
+                    const apps = body.map(item => {
                         const permissions = (<string[]>item.permissions).map(x => new Permission(x));
 
                         return new AppDto(
@@ -69,6 +64,8 @@ export class AppsService {
                             item.planName,
                             item.planUpgrade);
                     });
+
+                    return apps;
                 }),
                 pretifyError('Failed to load apps. Please reload.'));
     }
@@ -76,15 +73,22 @@ export class AppsService {
     public postApp(dto: CreateAppDto, now?: DateTime): Observable<AppDto> {
         const url = this.apiUrl.buildUrl('api/apps');
 
-        return HTTP.postVersioned<any>(this.http, url, dto).pipe(
-                map(response => {
-                    const body = response.payload.body;
-
+        return this.http.post<any>(url, dto).pipe(
+                map(body => {
                     now = now || DateTime.now();
 
                     const permissions = (<string[]>body.permissions).map(x => new Permission(x));
 
-                    return new AppDto(body.id, dto.name, permissions, now, now, body.planName, body.planUpgrade);
+                    const app = new AppDto(
+                        body.id,
+                        dto.name,
+                        permissions,
+                        now,
+                        now,
+                        body.planName,
+                        body.planUpgrade);
+
+                    return app;
                 }),
                 tap(() => {
                     this.analytics.trackEvent('App', 'Created', dto.name);

src/Squidex/app/shared/services/assets.service.ts

@@ -21,7 +21,8 @@ import {
     ResultSet,
     Types,
     Version,
-    Versioned
+    Versioned,
+    versioned
 } from '@app/framework';
 
 export class AssetsDto extends ResultSet<AssetDto> { }
@@ -102,8 +103,7 @@ export class AssetsService {
     public getTags(appName: string): Observable<{ [name: string]: number }> {
         const url = this.apiUrl.buildUrl(`api/apps/${appName}/assets/tags`);
 
-        return HTTP.getVersioned(this.http, url).pipe(
-                map(response => <any>response.payload.body));
+        return this.http.get<{ [name: string]: number }>(url);
     }
 
     public getAssets(appName: string, take: number, skip: number, query?: string, tags?: string[], ids?: string[]): Observable<AssetsDto> {
@@ -141,12 +141,12 @@ export class AssetsService {
         const url = this.apiUrl.buildUrl(`api/apps/${appName}/assets?${fullQuery}`);
 
         return HTTP.getVersioned<any>(this.http, url).pipe(
-                map(response => {
-                    const body = response.payload.body;
+                map(({ payload  }) => {
+                    const body = payload.body;
 
                     const items: any[] = body.items;
 
-                    return new AssetsDto(body.total, items.map(item => {
+                    const assets = new AssetsDto(body.total, items.map(item => {
                         const assetUrl = this.apiUrl.buildUrl(`api/assets/${item.id}`);
 
                         return new AssetDto(
@@ -170,6 +170,8 @@ export class AssetsService {
                             assetUrl,
                             new Version(item.version.toString()));
                     }));
+
+                    return assets;
                 }),
                 pretifyError('Failed to load assets. Please reload.'));
     }
@@ -239,8 +241,8 @@ export class AssetsService {
         const url = this.apiUrl.buildUrl(`api/apps/${appName}/assets/${id}`);
 
         return HTTP.getVersioned<any>(this.http, url).pipe(
-                map(response => {
-                    const body = response.payload.body;
+                map(({ version, payload }) => {
+                    const body = payload.body;
 
                     const assetUrl = this.apiUrl.buildUrl(`api/assets/${body.id}`);
 
@@ -263,7 +265,7 @@ export class AssetsService {
                         body.slug,
                         body.tags || [],
                         assetUrl,
-                        response.version);
+                        version);
                 }),
                 pretifyError('Failed to load assets. Please reload.'));
     }
@@ -285,7 +287,7 @@ export class AssetsService {
                     } else if (Types.is(event, HttpResponse)) {
                         const response: any = event.body;
 
-                        return new Versioned(new Version(event.headers.get('etag')!), response);
+                        return versioned(new Version(event.headers.get('etag')!), response);
                     } else {
                         throw 'Invalid';
                     }

src/Squidex/app/shared/services/backups.service.ts

@@ -62,16 +62,17 @@ export class BackupsService {
         const url = this.apiUrl.buildUrl(`api/apps/${appName}/backups`);
 
         return this.http.get<any[]>(url).pipe(
-                map(response => {
-                    return response.map(item => {
-                        return new BackupDto(
+                map(body => {
+                    const backups = body.map(item =>
+                        new BackupDto(
                             item.id,
                             DateTime.parseISO_UTC(item.started),
                             item.stopped ? DateTime.parseISO_UTC(item.stopped) : null,
                             item.handledEvents,
                             item.handledAssets,
-                            item.status);
-                    });
+                            item.status));
+
+                    return backups;
                 }),
                 pretifyError('Failed to load backups.'));
     }
@@ -80,13 +81,15 @@ export class BackupsService {
         const url = this.apiUrl.buildUrl(`api/apps/restore`);
 
         return this.http.get<any>(url).pipe(
-                map(response => {
-                    return new RestoreDto(
-                        response.url,
-                        DateTime.parseISO_UTC(response.started),
-                        response.stopped ? DateTime.parseISO_UTC(response.stopped) : null,
-                        response.status,
-                        response.log);
+                map(body => {
+                    const restore = new RestoreDto(
+                        body.url,
+                        DateTime.parseISO_UTC(body.started),
+                        body.stopped ? DateTime.parseISO_UTC(body.stopped) : null,
+                        body.status,
+                        body.log);
+
+                    return restore;
                 }),
                 catchError(error => {
                     if (Types.is(error, HttpErrorResponse) && error.status === 404) {

src/Squidex/app/shared/services/clients.service.spec.ts

@@ -71,11 +71,13 @@ describe('ClientsService', () => {
             }
         });
 
-        expect(clients!).toEqual(
-            new ClientsDto([
+        expect(clients!).toEqual({
+            payload: [
                 new ClientDto('client1', 'Client 1', 'secret1', 'Editor'),
                 new ClientDto('client2', 'Client 2', 'secret2', 'Developer')
-            ], new Version('2')));
+            ],
+            version: new Version('2')
+        });
     }));
 
     it('should make post request to create client',

src/Squidex/app/shared/services/clients.service.ts

@@ -14,20 +14,14 @@ import {
     AnalyticsService,
     ApiUrlConfig,
     HTTP,
+    mapVersioned,
     Model,
     pretifyError,
     Version,
     Versioned
 } from '@app/framework';
 
-export class ClientsDto extends Model<ClientsDto> {
-    constructor(
-        public readonly clients: ClientDto[],
-        public readonly version: Version
-    ) {
-        super();
-    }
-}
+export type ClientsDto = Versioned<ClientDto[]>;
 
 export class ClientDto extends Model<ClientDto> {
     constructor(
@@ -70,20 +64,17 @@ export class ClientsService {
         const url = this.apiUrl.buildUrl(`api/apps/${appName}/clients`);
 
         return HTTP.getVersioned<any>(this.http, url).pipe(
-                map(response => {
-                    const body = response.payload.body;
-
+                mapVersioned(({ body }) => {
                     const items: any[] = body;
 
-                    const clients = items.map(item => {
-                        return new ClientDto(
+                    const clients = items.map(item =>
+                        new ClientDto(
                             item.id,
-                            item.name || body.id,
+                            item.name || item.id,
                             item.secret,
-                            item.role);
-                    });
+                            item.role));
 
-                    return new ClientsDto(clients, response.version);
+                    return clients;
                 }),
                 pretifyError('Failed to load clients. Please reload.'));
     }
@@ -92,16 +83,14 @@ export class ClientsService {
         const url = this.apiUrl.buildUrl(`api/apps/${appName}/clients`);
 
         return HTTP.postVersioned<any>(this.http, url, dto, version).pipe(
-                map(response => {
-                    const body = response.payload.body;
-
+                mapVersioned(({ body }) => {
                     const client = new ClientDto(
                         body.id,
                         body.name || body.id,
                         body.secret,
                         body.role);
 
-                    return new Versioned(response.version, client);
+                    return client;
                 }),
                 tap(() => {
                     this.analytics.trackEvent('Client', 'Created', appName);

src/Squidex/app/shared/services/comments.service.ts

@@ -56,25 +56,27 @@ export class CommentsService {
         const url = this.apiUrl.buildUrl(`api/apps/${appName}/comments/${commentsId}?version=${version.value}`);
 
         return this.http.get<any>(url).pipe(
-                map(response => {
-                    return new CommentsDto(
-                        response.createdComments.map((item: any) => {
+                map(body => {
+                    const comments = new CommentsDto(
+                        body.createdComments.map((item: any) => {
                             return new CommentDto(
                                 item.id,
                                 DateTime.parseISO_UTC(item.time),
                                 item.text,
                                 item.user);
                         }),
-                        response.updatedComments.map((item: any) => {
+                        body.updatedComments.map((item: any) => {
                             return new CommentDto(
                                 item.id,
                                 DateTime.parseISO_UTC(item.time),
                                 item.text,
                                 item.user);
                         }),
-                        response.deletedComments,
-                        new Version(response.version)
+                        body.deletedComments,
+                        new Version(body.version)
                     );
+
+                    return comments;
                 }),
                 pretifyError('Failed to load comments.'));
     }
@@ -82,15 +84,15 @@ export class CommentsService {
     public postComment(appName: string, commentsId: string, dto: UpsertCommentDto): Observable<CommentDto> {
         const url = this.apiUrl.buildUrl(`api/apps/${appName}/comments/${commentsId}`);
 
-        return this.http.post(url, dto).pipe(
-                map(response => {
-                    const body: any = response;
-
-                    return new CommentDto(
+        return this.http.post<any>(url, dto).pipe(
+                map(body => {
+                    const comment = new CommentDto(
                         body.id,
                         DateTime.parseISO_UTC(body.time),
                         body.text,
                         body.user);
+
+                    return comment;
                 }),
                 pretifyError('Failed to create comment.'));
     }

src/Squidex/app/shared/services/contents.service.ts

@@ -15,6 +15,7 @@ import {
     ApiUrlConfig,
     DateTime,
     HTTP,
+    mapVersioned,
     Model,
     pretifyError,
     ResultSet,
@@ -99,13 +100,13 @@ export class ContentsService {
         const url = this.apiUrl.buildUrl(`/api/content/${appName}/${schemaName}?${fullQuery}`);
 
         return HTTP.getVersioned<any>(this.http, url).pipe(
-                map(response => {
-                    const body = response.payload.body;
+                map(({ payload }) => {
+                    const body = payload.body;
 
                     const items: any[] = body.items;
 
-                    return new ContentsDto(body.total, items.map(item => {
-                        return new ContentDto(
+                    const contents = new ContentsDto(body.total, items.map(item =>
+                        new ContentDto(
                             item.id,
                             item.status,
                             DateTime.parseISO_UTC(item.created), item.createdBy,
@@ -119,8 +120,9 @@ export class ContentsService {
                             item.isPending === true,
                             item.data,
                             item.dataDraft,
-                            new Version(item.version.toString()));
-                    }));
+                            new Version(item.version.toString()))));
+
+                    return contents;
                 }),
                 pretifyError('Failed to load contents. Please reload.'));
     }
@@ -129,10 +131,10 @@ export class ContentsService {
         const url = this.apiUrl.buildUrl(`/api/content/${appName}/${schemaName}/${id}`);
 
         return HTTP.getVersioned<any>(this.http, url).pipe(
-                map(response => {
-                    const body = response.payload.body;
+                map(({ version, payload }) => {
+                    const body = payload.body;
 
-                    return new ContentDto(
+                    const content = new ContentDto(
                         body.id,
                         body.status,
                         DateTime.parseISO_UTC(body.created), body.createdBy,
@@ -146,7 +148,9 @@ export class ContentsService {
                         body.isPending === true,
                         body.data,
                         body.dataDraft,
-                        response.version);
+                        version);
+
+                    return content;
                 }),
                 pretifyError('Failed to load content. Please reload.'));
     }
@@ -155,8 +159,8 @@ export class ContentsService {
         const url = this.apiUrl.buildUrl(`/api/content/${appName}/${schemaName}/${id}/${version.value}`);
 
         return HTTP.getVersioned<any>(this.http, url).pipe(
-                map(response => {
-                    return new Versioned(response.version, response.payload.body);
+                mapVersioned(({ body }) => {
+                    return body;
                 }),
                 pretifyError('Failed to load data. Please reload.'));
     }
@@ -165,10 +169,10 @@ export class ContentsService {
         const url = this.apiUrl.buildUrl(`/api/content/${appName}/${schemaName}?publish=${publish}`);
 
         return HTTP.postVersioned<any>(this.http, url, dto).pipe(
-                map(response => {
-                    const body = response.payload.body;
+                map(({ version, payload }) => {
+                    const body = payload.body;
 
-                    return new ContentDto(
+                    const content = new ContentDto(
                         body.id,
                         body.status,
                         DateTime.parseISO_UTC(body.created), body.createdBy,
@@ -177,7 +181,9 @@ export class ContentsService {
                         body.isPending,
                         null,
                         body.data,
-                        response.version);
+                        version);
+
+                    return content;
                 }),
                 tap(() => {
                     this.analytics.trackEvent('Content', 'Created', appName);
@@ -189,10 +195,8 @@ export class ContentsService {
         const url = this.apiUrl.buildUrl(`/api/content/${appName}/${schemaName}/${id}?asDraft=${asDraft}`);
 
         return HTTP.putVersioned(this.http, url, dto, version).pipe(
-                map(response => {
-                    const body = response.payload.body;
-
-                    return new Versioned(response.version, body);
+                mapVersioned(payload => {
+                    return payload.body;
                 }),
                 tap(() => {
                     this.analytics.trackEvent('Content', 'Updated', appName);
@@ -204,10 +208,8 @@ export class ContentsService {
         const url = this.apiUrl.buildUrl(`/api/content/${appName}/${schemaName}/${id}`);
 
         return HTTP.patchVersioned(this.http, url, dto, version).pipe(
-                map(response => {
-                    const body = response.payload.body;
-
-                    return new Versioned(response.version, body);
+                mapVersioned(payload => {
+                    return payload.body;
                 }),
                 tap(() => {
                     this.analytics.trackEvent('Content', 'Updated', appName);

src/Squidex/app/shared/services/contributors.service.spec.ts

@@ -70,11 +70,16 @@ describe('ContributorsService', () => {
             }
         });
 
-        expect(contributors!).toEqual(
-            new ContributorsDto([
+        expect(contributors!).toEqual({
+            payload: {
+                contributors: [
                     new ContributorDto('123', 'Owner'),
                     new ContributorDto('456', 'Owner')
-            ], 100, new Version('2')));
+                ],
+                maxContributors: 100
+            },
+            version: new Version('2')
+        });
     }));
 
     it('should make post request to assign contributor',

src/Squidex/app/shared/services/contributors.service.ts

@@ -8,27 +8,23 @@
 import { HttpClient } from '@angular/common/http';
 import { Injectable } from '@angular/core';
 import { Observable } from 'rxjs';
-import { map, tap } from 'rxjs/operators';
+import { tap } from 'rxjs/operators';
 
 import {
     AnalyticsService,
     ApiUrlConfig,
     HTTP,
+    mapVersioned,
     Model,
     pretifyError,
     Version,
     Versioned
 } from '@app/framework';
 
-export class ContributorsDto extends Model<ContributorsDto> {
-    constructor(
-        public readonly contributors: ContributorDto[],
-        public readonly maxContributors: number,
-        public readonly version: Version
-    ) {
-        super();
-    }
-}
+export type ContributorsDto = Versioned<{
+    readonly contributors: ContributorDto[],
+    readonly maxContributors: number
+}>;
 
 export class ContributorDto extends Model<AssignContributorDto> {
     constructor(
@@ -63,18 +59,18 @@ export class ContributorsService {
         const url = this.apiUrl.buildUrl(`api/apps/${appName}/contributors`);
 
         return HTTP.getVersioned<any>(this.http, url).pipe(
-                map(response => {
-                    const body = response.payload.body;
+                mapVersioned(payload => {
+                    const body = payload.body;
 
                     const items: any[] = body.contributors;
 
-                    return new ContributorsDto(
-                        items.map(item => {
-                            return new ContributorDto(
+                    const contributors =
+                        items.map(item =>
+                            new ContributorDto(
                                 item.contributorId,
-                                item.role);
-                        }),
-                        body.maxContributors, response.version);
+                                item.role));
+
+                    return { contributors, maxContributors: body.maxContributors };
                 }),
                 pretifyError('Failed to load contributors. Please reload.'));
     }
@@ -83,10 +79,8 @@ export class ContributorsService {
         const url = this.apiUrl.buildUrl(`api/apps/${appName}/contributors`);
 
         return HTTP.postVersioned(this.http, url, dto, version).pipe(
-                map(response => {
-                    const body: any = response.payload.body;
-
-                    return new Versioned(response.version, body);
+                mapVersioned(payload => {
+                    return <ContributorAssignedDto>payload.body;
                 }),
                 tap(() => {
                     this.analytics.trackEvent('Contributor', 'Configured', appName);

src/Squidex/app/shared/services/history.service.ts

@@ -82,15 +82,16 @@ export class HistoryService {
         const url = this.apiUrl.buildUrl(`api/apps/${appName}/history?channel=${channel}`);
 
         return this.http.get<any[]>(url).pipe(
-                map(response => {
-                    return response.map(item => {
-                        return new HistoryEventDto(
+                map(body => {
+                    const history = body.map(item =>
+                        new HistoryEventDto(
                             item.eventId,
                             item.actor,
                             item.message,
                             item.version,
-                            DateTime.parseISO_UTC(item.created));
-                    });
+                            DateTime.parseISO_UTC(item.created)));
+
+                    return history;
                 }),
                 pretifyError('Failed to load history. Please reload.'));
     }

src/Squidex/app/shared/services/languages.service.ts

@@ -10,11 +10,7 @@ import { Injectable } from '@angular/core';
 import { Observable } from 'rxjs';
 import { map } from 'rxjs/operators';
 
-import {
-    ApiUrlConfig,
-    HTTP,
-    pretifyError
-} from '@app/framework';
+import { ApiUrlConfig, pretifyError } from '@app/framework';
 
 export class LanguageDto {
     constructor(
@@ -35,15 +31,14 @@ export class LanguagesService {
     public getLanguages(): Observable<LanguageDto[]> {
         const url = this.apiUrl.buildUrl('api/languages');
 
-        return HTTP.getVersioned(this.http, url).pipe(
-                map(response => {
-                    const items: any[] = <any>response.payload.body;
-
-                    return items.map(item => {
-                        return new LanguageDto(
+        return this.http.get<any[]>(url).pipe(
+                map(body => {
+                    const languages = body.map(item =>
+                        new LanguageDto(
                             item.iso2Code,
-                            item.englishName);
-                    });
+                            item.englishName));
+
+                    return languages;
                 }),
                 pretifyError('Failed to load languages. Please reload.'));
     }

src/Squidex/app/shared/services/news.service.ts

@@ -40,18 +40,18 @@ export class NewsService {
         const url = this.apiUrl.buildUrl(`api/news/features?version=${version}`);
 
         return this.http.get<any>(url).pipe(
-                map(response => {
-                    const items: any[] = response.features;
+                map(body => {
+                    const items: any[] = body.features;
 
-                    return new FeaturesDto(
-                        items.map(item => {
-                            return new FeatureDto(
+                    const features = new FeaturesDto(
+                        items.map(item =>
+                            new FeatureDto(
                                 item.name,
-                                item.text
-                            );
-                        }),
-                        response.version
-                    );
+                                item.text)
+                        ),
+                        body.version);
+
+                    return features;
                 }),
                 pretifyError('Failed to load features. Please reload.'));
     }

src/Squidex/app/shared/services/patterns.service.spec.ts

@@ -69,11 +69,13 @@ describe('PatternsService', () => {
             }
         });
 
-        expect(patterns!).toEqual(
-            new PatternsDto([
+        expect(patterns!).toEqual({
+            payload: [
                 new PatternDto('1', 'Number', '[0-9]', 'Message1'),
                 new PatternDto('2', 'Numbers', '[0-9]*', 'Message2')
-            ], new Version('2')));
+            ],
+            version: new Version('2')
+        });
     }));
 
     it('should make post request to add pattern',
@@ -93,9 +95,9 @@ describe('PatternsService', () => {
         expect(req.request.headers.get('If-Match')).toEqual(version.value);
 
         req.flush({
+            name: 'Number',
             patternId: '1',
             pattern: '[0-9]',
-            name: 'Number',
             message: 'Message1'
         });
 

src/Squidex/app/shared/services/patterns.service.ts

@@ -8,26 +8,20 @@
 import { HttpClient } from '@angular/common/http';
 import { Injectable } from '@angular/core';
 import { Observable } from 'rxjs';
-import { map, tap } from 'rxjs/operators';
+import { tap } from 'rxjs/operators';
 
 import {
     AnalyticsService,
     ApiUrlConfig,
     HTTP,
+    mapVersioned,
     Model,
     pretifyError,
     Version,
     Versioned
 } from '@app/framework';
 
-export class PatternsDto extends Model<PatternsDto> {
-    constructor(
-        public readonly patterns: PatternDto[],
-        public readonly version: Version
-    ) {
-        super();
-    }
-}
+export type PatternsDto = Versioned<PatternDto[]>;
 
 export class PatternDto extends Model<PatternDto> {
     constructor(
@@ -59,20 +53,18 @@ export class PatternsService {
         const url = this.apiUrl.buildUrl(`api/apps/${appName}/patterns`);
 
         return HTTP.getVersioned<any>(this.http, url).pipe(
-            map(response => {
-                const body = response.payload.body;
-
+            mapVersioned(({ body }) => {
                 const items: any[] = body;
 
-                return new PatternsDto(
-                    items.map(item => {
-                        return new PatternDto(
+                const patterns =
+                    items.map(item =>
+                        new PatternDto(
                             item.patternId,
                             item.name,
                             item.pattern,
-                            item.message);
-                    }),
-                    response.version);
+                            item.message));
+
+                return patterns;
             }),
             pretifyError('Failed to add pattern. Please reload.'));
     }
@@ -81,16 +73,14 @@ export class PatternsService {
         const url = this.apiUrl.buildUrl(`api/apps/${appName}/patterns`);
 
         return HTTP.postVersioned<any>(this.http, url, dto, version).pipe(
-            map(response => {
-                const body = response.payload.body;
-
+            mapVersioned(({ body }) => {
                 const pattern = new PatternDto(
                     body.patternId,
                     body.name,
                     body.pattern,
                     body.message);
 
-                return new Versioned(response.version, pattern);
+                return pattern;
             }),
             tap(() => {
                 this.analytics.trackEvent('Patterns', 'Created', appName);

src/Squidex/app/shared/services/plans.service.spec.ts

@@ -54,7 +54,6 @@ describe('PlansService', () => {
 
         req.flush({
             currentPlanId: '123',
-            hasPortal: true,
             planOwner: '456',
             plans: [
                 {
@@ -77,24 +76,26 @@ describe('PlansService', () => {
                     maxAssetSize: 5500,
                     maxContributors: 6500
                 }
-            ]
+            ],
+            hasPortal: true
         }, {
             headers: {
                 etag: '2'
             }
         });
 
-        expect(plans!).toEqual(
-            new PlansDto(
-                '123',
-                '456',
-                true,
-                [
+        expect(plans!).toEqual({
+            payload: {
+                currentPlanId: '123',
+                planOwner: '456',
+                plans: [
                     new PlanDto('free', 'Free', '14 €', 'free_yearly', '12 €', 1000, 1500, 2500),
                     new PlanDto('prof', 'Prof', '18 €', 'prof_yearly', '16 €', 4000, 5500, 6500)
                 ],
-                new Version('2')
-            ));
+                hasPortal: true
+            },
+            version: new Version('2')
+        });
     }));
 
     it('should make put request to change plan',

src/Squidex/app/shared/services/plans.service.ts

@@ -8,29 +8,25 @@
 import { HttpClient } from '@angular/common/http';
 import { Injectable } from '@angular/core';
 import { Observable } from 'rxjs';
-import { map, tap } from 'rxjs/operators';
+import { tap } from 'rxjs/operators';
 
 import {
     AnalyticsService,
     ApiUrlConfig,
     HTTP,
+    mapVersioned,
     Model,
     pretifyError,
     Version,
     Versioned
 } from '@app/framework';
 
-export class PlansDto extends Model<PlansDto> {
-    constructor(
-        public readonly currentPlanId: string,
-        public readonly planOwner: string,
-        public readonly hasPortal: boolean,
-        public readonly plans: PlanDto[],
-        public readonly version: Version
-    ) {
-        super();
-    }
-}
+export type PlansDto = Versioned<{
+    readonly currentPlanId: string,
+    readonly planOwner: string,
+    readonly hasPortal: boolean,
+    readonly plans: PlanDto[]
+}>;
 
 export class PlanDto extends Model<PlanDto> {
     constructor(
@@ -68,17 +64,16 @@ export class PlansService {
         const url = this.apiUrl.buildUrl(`api/apps/${appName}/plans`);
 
         return HTTP.getVersioned<any>(this.http, url).pipe(
-                map(response => {
-                    const body = response.payload.body;
-
+                mapVersioned(({ body }) => {
                     const items: any[] = body.plans;
 
-                    return new PlansDto(
-                        body.currentPlanId,
-                        body.planOwner,
-                        body.hasPortal,
-                        items.map(item => {
-                            return new PlanDto(
+                    const { hasPortal, currentPlanId, planOwner } = body;
+
+                    const plans = {
+                        currentPlanId,
+                        planOwner,
+                        plans: items.map(item =>
+                            new PlanDto(
                                 item.id,
                                 item.name,
                                 item.costs,
@@ -86,9 +81,11 @@ export class PlansService {
                                 item.yearlyCosts,
                                 item.maxApiCalls,
                                 item.maxAssetSize,
-                                item.maxContributors);
-                        }),
-                        response.version);
+                                item.maxContributors)),
+                        hasPortal
+                    };
+
+                    return plans;
                 }),
                 pretifyError('Failed to load plans. Please reload.'));
     }
@@ -97,10 +94,8 @@ export class PlansService {
         const url = this.apiUrl.buildUrl(`api/apps/${appName}/plan`);
 
         return HTTP.putVersioned<any>(this.http, url, dto, version).pipe(
-                map(response => {
-                    const body = response.payload.body;
-
-                    return new Versioned(response.version, body);
+                mapVersioned(payload => {
+                    return <PlanChangedDto>payload.body;
                 }),
                 tap(() => {
                     this.analytics.trackEvent('Plan', 'Changed', appName);

src/Squidex/app/shared/services/roles.service.spec.ts

@@ -88,12 +88,13 @@ describe('RolesService', () => {
             }
         });
 
-        expect(roles!).toEqual(
-            new RolesDto([
+        expect(roles!).toEqual({
+            payload: [
                 new RoleDto('Role1', 3, 5, ['P1']),
                 new RoleDto('Role2', 7, 9, ['P2'])
             ],
-            new Version('2')));
+            version: new Version('2')
+        });
     }));
 
     it('should make post request to add role',

src/Squidex/app/shared/services/roles.service.ts

@@ -8,26 +8,20 @@
 import { HttpClient } from '@angular/common/http';
 import { Injectable } from '@angular/core';
 import { Observable } from 'rxjs';
-import { map, tap } from 'rxjs/operators';
+import { tap } from 'rxjs/operators';
 
 import {
     AnalyticsService,
     ApiUrlConfig,
     HTTP,
+    mapVersioned,
     Model,
     pretifyError,
     Version,
     Versioned
 } from '@app/framework';
 
-export class RolesDto extends Model<RolesDto> {
-    constructor(
-        public readonly roles: RoleDto[],
-        public readonly version: Version
-    ) {
-        super();
-    }
-}
+export type RolesDto = Versioned<RoleDto[]>;
 
 export class RoleDto extends Model<RoleDto> {
     constructor(
@@ -61,20 +55,17 @@ export class RolesService {
         const url = this.apiUrl.buildUrl(`api/apps/${appName}/roles`);
 
         return HTTP.getVersioned<any>(this.http, url).pipe(
-                map(response => {
-                    const body = response.payload.body;
-
+                mapVersioned(({ body }) => {
                     const items: any[] = body.roles;
 
-                    const roles = items.map(item => {
-                        return new RoleDto(
+                    const roles = items.map(item =>
+                        new RoleDto(
                             item.name,
                             item.numClients,
                             item.numContributors,
-                            item.permissions);
-                    });
+                            item.permissions));
 
-                    return new RolesDto(roles, response.version);
+                    return roles;
                 }),
                 pretifyError('Failed to load roles. Please reload.'));
     }
@@ -83,10 +74,10 @@ export class RolesService {
         const url = this.apiUrl.buildUrl(`api/apps/${appName}/roles`);
 
         return HTTP.postVersioned<any>(this.http, url, dto, version).pipe(
-                map(response => {
+                mapVersioned(() => {
                     const role = new RoleDto(dto.name, 0, 0, []);
 
-                    return new Versioned(response.version, role);
+                    return role;
                 }),
                 tap(() => {
                     this.analytics.trackEvent('Role', 'Created', appName);

src/Squidex/app/shared/services/rules.service.ts

@@ -132,10 +132,10 @@ export class RulesService {
         const url = this.apiUrl.buildUrl('api/rules/actions');
 
         return HTTP.getVersioned<any>(this.http, url).pipe(
-            map(response => {
-                const items: { [name: string]: any } = response.payload.body;
+            map(({ payload }) => {
+                const items: { [name: string]: any } = payload.body;
 
-                const result: { [name: string]: RuleElementDto } = {};
+                const actions: { [name: string]: RuleElementDto } = {};
 
                 for (let key of Object.keys(items).sort()) {
                     const value = items[key];
@@ -150,7 +150,7 @@ export class RulesService {
                             property.isRequired
                         ));
 
-                    result[key] = new RuleElementDto(
+                    actions[key] = new RuleElementDto(
                         value.display,
                         value.description,
                         value.iconColor,
@@ -159,7 +159,7 @@ export class RulesService {
                         properties);
                 }
 
-                return result;
+                return actions;
             }),
             pretifyError('Failed to load Rules. Please reload.'));
     }
@@ -168,11 +168,11 @@ export class RulesService {
         const url = this.apiUrl.buildUrl(`api/apps/${appName}/rules`);
 
         return HTTP.getVersioned<any>(this.http, url).pipe(
-            map(response => {
-                const items: any[] = response.payload.body;
+            map(({ payload }) => {
+                const items: any[] = payload.body;
 
-                return items.map(item => {
-                    return new RuleDto(
+                const rules = items.map(item =>
+                    new RuleDto(
                         item.id,
                         item.createdBy,
                         item.lastModifiedBy,
@@ -183,8 +183,9 @@ export class RulesService {
                         item.trigger,
                         item.trigger.triggerType,
                         item.action,
-                        item.action.actionType);
-                });
+                        item.action.actionType));
+
+                return rules;
             }),
             pretifyError('Failed to load Rules. Please reload.'));
     }
@@ -193,8 +194,8 @@ export class RulesService {
         const url = this.apiUrl.buildUrl(`api/apps/${appName}/rules`);
 
         return HTTP.postVersioned<any>(this.http, url, dto).pipe(
-            map(response => {
-                const body = response.payload.body;
+            map(({ version, payload }) => {
+                const body = payload.body;
 
                 return new RuleDto(
                     body.id,
@@ -202,7 +203,7 @@ export class RulesService {
                     user,
                     now,
                     now,
-                    response.version,
+                    version,
                     true,
                     dto.trigger,
                     dto.trigger.triggerType,
@@ -259,13 +260,13 @@ export class RulesService {
         const url = this.apiUrl.buildUrl(`api/apps/${appName}/rules/events?take=${take}&skip=${skip}`);
 
         return HTTP.getVersioned<any>(this.http, url).pipe(
-            map(response => {
-                const body = response.payload.body;
+            map(({ payload }) => {
+                const body = payload.body;
 
                 const items: any[] = body.items;
 
-                return new RuleEventsDto(body.total, items.map(item => {
-                    return new RuleEventDto(
+                const ruleEvents = new RuleEventsDto(body.total, items.map(item =>
+                    new RuleEventDto(
                         item.id,
                         DateTime.parseISO_UTC(item.created),
                         item.nextAttempt ? DateTime.parseISO_UTC(item.nextAttempt) : null,
@@ -274,8 +275,9 @@ export class RulesService {
                         item.lastDump,
                         item.result,
                         item.jobResult,
-                        item.numCalls);
-                }));
+                        item.numCalls)));
+
+                return ruleEvents;
             }),
             pretifyError('Failed to load events. Please reload.'));
     }

src/Squidex/app/shared/services/schemas.service.ts

@@ -15,6 +15,7 @@ import {
     ApiUrlConfig,
     DateTime,
     HTTP,
+    mapVersioned,
     Model,
     pretifyError,
     StringHelper,
@@ -215,12 +216,12 @@ export class SchemasService {
         const url = this.apiUrl.buildUrl(`api/apps/${appName}/schemas`);
 
         return HTTP.getVersioned<any>(this.http, url).pipe(
-            map(response => {
-                const body = response.payload.body;
+            map(({ payload }) => {
+                const body = payload.body;
 
                 const items: any[] = body;
 
-                return items.map(item => {
+                const schemas = items.map(item => {
                     const properties = new SchemaPropertiesDto(item.properties.label, item.properties.hints);
 
                     return new SchemaDto(
@@ -233,6 +234,8 @@ export class SchemasService {
                         DateTime.parseISO_UTC(item.lastModified), item.lastModifiedBy,
                         new Version(item.version.toString()));
                 });
+
+                return schemas;
             }),
             pretifyError('Failed to load schemas. Please reload.'));
     }
@@ -241,8 +244,8 @@ export class SchemasService {
         const url = this.apiUrl.buildUrl(`api/apps/${appName}/schemas/${id}`);
 
         return HTTP.getVersioned<any>(this.http, url).pipe(
-            map(response => {
-                const body = response.payload.body;
+            map(({ version, payload }) => {
+                const body = payload.body;
 
                 const fields = body.fields.map((item: any) => {
                     const propertiesDto =
@@ -292,7 +295,7 @@ export class SchemasService {
                     body.isPublished,
                     DateTime.parseISO_UTC(body.created), body.createdBy,
                     DateTime.parseISO_UTC(body.lastModified), body.lastModifiedBy,
-                    response.version,
+                    version,
                     fields,
                     body.scripts || {},
                     body.previewUrls || {});
@@ -304,22 +307,23 @@ export class SchemasService {
         const url = this.apiUrl.buildUrl(`api/apps/${appName}/schemas`);
 
         return HTTP.postVersioned<any>(this.http, url, dto).pipe(
-            map(response => {
-                const body = response.payload.body;
+            map(({ version, payload }) => {
+                const body = payload.body;
 
                 now = now || DateTime.now();
 
-                return new SchemaDetailsDto(
+                const schema = new SchemaDetailsDto(
                     body.id,
-                    dto.name,
-                    '',
+                    dto.name, '',
                     dto.properties || new SchemaPropertiesDto(),
                     dto.isSingleton === true,
                     false,
                     now, user,
                     now, user,
-                    response.version,
+                    version,
                     dto.fields || []);
+
+                return schema;
             }),
             tap(() => {
                 this.analytics.trackEvent('Schema', 'Created', appName);
@@ -401,17 +405,15 @@ export class SchemasService {
         const url = this.buildUrl(appName, schemaName, parentId, '');
 
         return HTTP.postVersioned<any>(this.http, url, dto, version).pipe(
-            map(response => {
-                const body = response.payload.body;
-
+            mapVersioned(({ body }) => {
                 if (parentId) {
                     const field = new NestedFieldDto(body.id, dto.name, dto.properties, parentId);
 
-                    return new Versioned(response.version, field);
+                    return field;
                 } else {
                     const field = new RootFieldDto(body.id, dto.name, dto.properties, dto.partitioning);
 
-                    return new Versioned(response.version, field);
+                    return field;
                 }
             }),
             tap(() => {

src/Squidex/app/shared/services/translations.service.ts

@@ -38,8 +38,8 @@ export class TranslationsService {
         const url = this.apiUrl.buildUrl(`api/apps/${appName}/translations`);
 
         return this.http.post<any>(url, request).pipe(
-                map(response => {
-                    return new TranslationDto(response.result, response.text);
+                map(body => {
+                    return new TranslationDto(body.result, body.text);
                 }),
                 pretifyError('Failed to translate text. Please reload.'));
     }

src/Squidex/app/shared/services/usages.service.ts

@@ -62,8 +62,8 @@ export class UsagesService {
         const url = this.apiUrl.buildUrl(`api/apps/${app}/usages/log`);
 
         return this.http.get<any>(url).pipe(
-            map(response => {
-                return response.downloadUrl;
+            map(body => {
+                return body.downloadUrl;
             }),
             pretifyError('Failed to load monthly api calls. Please reload.'));
     }
@@ -72,8 +72,8 @@ export class UsagesService {
         const url = this.apiUrl.buildUrl(`api/apps/${app}/usages/calls/month`);
 
         return this.http.get<any>(url).pipe(
-                map(response => {
-                    return new CurrentCallsDto(response.count, response.maxAllowed);
+                map(body => {
+                    return new CurrentCallsDto(body.count, body.maxAllowed);
                 }),
                 pretifyError('Failed to load monthly api calls. Please reload.'));
     }
@@ -82,8 +82,8 @@ export class UsagesService {
         const url = this.apiUrl.buildUrl(`api/apps/${app}/usages/storage/today`);
 
         return this.http.get<any>(url).pipe(
-                map(response => {
-                    return new CurrentStorageDto(response.size, response.maxAllowed);
+                map(body => {
+                    return new CurrentStorageDto(body.size, body.maxAllowed);
                 }),
                 pretifyError('Failed to load todays storage size. Please reload.'));
     }
@@ -92,18 +92,18 @@ export class UsagesService {
         const url = this.apiUrl.buildUrl(`api/apps/${app}/usages/calls/${fromDate.toUTCStringFormat('YYYY-MM-DD')}/${toDate.toUTCStringFormat('YYYY-MM-DD')}`);
 
         return this.http.get<any>(url).pipe(
-                map(response => {
-                    const result: { [category: string]: CallsUsageDto[] } = {};
+                map(body => {
+                    const usages: { [category: string]: CallsUsageDto[] } = {};
 
-                    for (let category of Object.keys(response)) {
-                        result[category] = response[category].map((item: any) => {
-                            return new CallsUsageDto(
+                    for (let category of Object.keys(body)) {
+                        usages[category] = body[category].map((item: any) =>
+                            new CallsUsageDto(
                                 DateTime.parseISO_UTC(item.date),
                                 item.count,
-                                item.averageMs);
-                        });
+                                item.averageMs));
                     }
-                    return result;
+
+                    return usages;
                 }),
                 pretifyError('Failed to load calls usage. Please reload.'));
     }
@@ -112,13 +112,14 @@ export class UsagesService {
         const url = this.apiUrl.buildUrl(`api/apps/${app}/usages/storage/${fromDate.toUTCStringFormat('YYYY-MM-DD')}/${toDate.toUTCStringFormat('YYYY-MM-DD')}`);
 
         return this.http.get<any[]>(url).pipe(
-                map(response => {
-                    return response.map(item => {
-                        return new StorageUsageDto(
+                map(body => {
+                    const usages = body.map(item =>
+                        new StorageUsageDto(
                             DateTime.parseISO_UTC(item.date),
                             item.count,
-                            item.size);
-                    });
+                            item.size));
+
+                    return usages;
                 }),
                 pretifyError('Failed to load storage usage. Please reload.'));
     }

src/Squidex/app/shared/services/users.service.ts

@@ -32,12 +32,13 @@ export class UsersService {
         const url = this.apiUrl.buildUrl(`api/users?query=${query || ''}`);
 
         return this.http.get<any[]>(url).pipe(
-                map(response => {
-                    return response.map(item => {
-                        return new UserDto(
+                map(body => {
+                    const users = body.map(item =>
+                        new UserDto(
                             item.id,
-                            item.displayName);
-                    });
+                            item.displayName));
+
+                    return users;
                 }),
                 pretifyError('Failed to load users. Please reload.'));
     }
@@ -46,10 +47,12 @@ export class UsersService {
         const url = this.apiUrl.buildUrl(`api/users/${id}`);
 
         return this.http.get<any>(url).pipe(
-                map(response => {
-                    return new UserDto(
-                        response.id,
-                        response.displayName);
+                map(body => {
+                    const user = new UserDto(
+                        body.id,
+                        body.displayName);
+
+                    return user;
                 }),
                 pretifyError('Failed to load user. Please reload.'));
     }

src/Squidex/app/shared/state/apps.state.spec.ts

@@ -6,7 +6,7 @@
  */
 
 import { of } from 'rxjs';
-import { IMock, Mock, Times } from 'typemoq';
+import { IMock, Mock } from 'typemoq';
 
 import {
     AppDto,
@@ -95,7 +95,7 @@ describe('AppsState', () => {
         expect(appsState.snapshot.apps.values).toEqual([newApp, ...oldApps]);
     });
 
-    it('should remove app from snashot when archived', () => {
+    it('should remove app from snapshot when archived', () => {
         const request = { ...newApp };
 
         appsService.setup(x => x.postApp(request))
@@ -115,4 +115,20 @@ describe('AppsState', () => {
         expect(appsAfterCreate).toEqual([newApp, ...oldApps]);
         expect(appsAfterDelete).toEqual(oldApps);
     });
+
+    it('should selected app from snapshot when archived', () => {
+        const request = { ...newApp };
+
+        appsService.setup(x => x.postApp(request))
+            .returns(() => of(newApp)).verifiable();
+
+        appsService.setup(x => x.deleteApp(newApp.name))
+            .returns(() => of({})).verifiable();
+
+        appsState.create(request).subscribe();
+        appsState.select(newApp.name).subscribe();
+        appsState.delete(newApp.name).subscribe();
+
+        expect(appsState.snapshot.selectedApp).toBeNull();
+    });
 });

src/Squidex/app/shared/state/apps.state.ts

@@ -7,11 +7,12 @@
 
 import { Injectable } from '@angular/core';
 import { Observable, of } from 'rxjs';
-import { distinctUntilChanged, map, share } from 'rxjs/operators';
+import { distinctUntilChanged, map, tap } from 'rxjs/operators';
 
 import {
     DialogService,
     ImmutableArray,
+    shareSubscribed,
     State
 } from '@app/framework';
 
@@ -23,14 +24,12 @@ import {
 
 interface Snapshot {
     // All apps, loaded once.
-    apps: AppsList;
+    apps: ImmutableArray<AppDto>;
 
     // The selected app.
     selectedApp: AppDto | null;
 }
 
-type AppsList = ImmutableArray<AppDto>;
-
 function sameApp(lhs: AppDto, rhs?: AppDto): boolean {
     return lhs === rhs || (!!lhs && !!rhs && lhs.id === rhs.id);
 }
@@ -57,78 +56,52 @@ export class AppsState extends State<Snapshot> {
     }
 
     public select(name: string | null): Observable<AppDto | null> {
-        const http$ =
-            this.loadApp(name)
-                .pipe(share());
+        const observable =
+            !name ?
+                of(null) :
+                of(this.snapshot.apps.find(x => x.name === name) || null);
 
-        http$.subscribe(selectedApp => {
+        return observable.pipe(
+            tap(selectedApp => {
                 this.next(s => ({ ...s, selectedApp }));
-        });
-
-        return http$;
-    }
-
-    private loadApp(name: string | null) {
-        return of(name ? this.snapshot.apps.find(x => x.name === name) || null : null);
+            }));
     }
 
     public load(): Observable<any> {
-        const http$ =
-            this.appsService.getApps().pipe(
-                share());
-
-        http$.subscribe(response => {
+        return this.appsService.getApps().pipe(
+            tap((dto: AppDto[]) => {
                 this.next(s => {
-                const apps = ImmutableArray.of(response).sortByStringAsc(x => x.name);
+                    const apps = ImmutableArray.of(dto);
 
                     return { ...s, apps };
                 });
-        }, error => {
-            this.dialogs.notifyError(error);
-        });
-
-        return http$;
+            }),
+            shareSubscribed(this.dialogs));
     }
 
     public create(request: CreateAppDto): Observable<AppDto> {
-        const http$ =
-            this.appsService.postApp(request).pipe(
-                share());
-
-        http$.subscribe(app => {
+        return this.appsService.postApp(request).pipe(
+            tap(dto => {
                 this.next(s => {
-                const apps = s.apps.push(app).sortByStringAsc(x => x.name);
+                    const apps = s.apps.push(dto).sortByStringAsc(x => x.name);
 
                     return { ...s, apps };
                 });
-        }, error => {
-            this.dialogs.notifyError(error);
-        });
-
-        return http$;
+            }),
+            shareSubscribed(this.dialogs, { silent: true }));
     }
 
     public delete(name: string): Observable<any> {
-        const http$ =
-            this.appsService.deleteApp(name).pipe(
-                share());
-
-        http$.subscribe(() => {
+        return this.appsService.deleteApp(name).pipe(
+            tap(() => {
                 this.next(s => {
                     const apps = s.apps.filter(x => x.name !== name);
 
-                const selectedApp =
-                    s.selectedApp &&
-                    s.selectedApp.name === name ?
-                    null :
-                    s.selectedApp;
+                    const selectedApp = s.selectedApp && s.selectedApp.name === name ? null : s.selectedApp;
 
                     return { ...s, apps, selectedApp };
                 });
-        }, error => {
-            this.dialogs.notifyError(error);
-        });
-
-        return http$;
+            }),
+            shareSubscribed(this.dialogs));
     }
 }

src/Squidex/app/shared/state/assets.state.spec.ts

@@ -14,7 +14,7 @@ import {
     AssetsService,
     AssetsState,
     DialogService,
-    Versioned
+    versioned
 } from './../';
 
 import { TestValues } from './_test-helpers';
@@ -98,7 +98,7 @@ describe('AssetsState', () => {
 
     it('should remove asset from snapshot when deleted', () => {
         assetsService.setup(x => x.deleteAsset(app, oldAssets[0].id, version))
-            .returns(() => of(new Versioned<any>(newVersion, {})));
+            .returns(() => of(versioned(newVersion)));
 
         assetsState.delete(oldAssets[0]).subscribe();
 

src/Squidex/app/shared/state/assets.state.ts

@@ -12,8 +12,8 @@ import { distinctUntilChanged, map, tap } from 'rxjs/operators';
 import {
     DialogService,
     ImmutableArray,
-    notify,
     Pager,
+    shareSubscribed,
     State
 } from '@app/framework';
 
@@ -107,7 +107,7 @@ export class AssetsState extends State<Snapshot> {
                     return { ...s, assets, assetsPager, isLoaded: true, tags: dtos[1] };
                 });
             }),
-            notify(this.dialogs));
+            shareSubscribed(this.dialogs));
     }
 
     public add(asset: AssetDto) {
@@ -138,7 +138,7 @@ export class AssetsState extends State<Snapshot> {
                     return { ...s, assets, assetsPager, tags, tagsSelected };
                 });
             }),
-            notify(this.dialogs));
+            shareSubscribed(this.dialogs));
     }
 
     public update(asset: AssetDto) {

src/Squidex/app/shared/state/backups.state.ts

@@ -7,11 +7,12 @@
 
 import { Injectable } from '@angular/core';
 import { Observable } from 'rxjs';
-import { distinctUntilChanged, map, share } from 'rxjs/operators';
+import { distinctUntilChanged, map, tap } from 'rxjs/operators';
 
 import {
     DialogService,
     ImmutableArray,
+    shareSubscribed,
     State
 } from '@app/framework';
 
@@ -56,55 +57,35 @@ export class BackupsState extends State<Snapshot> {
             this.resetState();
         }
 
-        const http$ =
-            this.backupsService.getBackups(this.appName).pipe(
-                share());
-
-        http$.subscribe(dtos => {
+        return this.backupsService.getBackups(this.appName).pipe(
+            tap(payload => {
                 if (isReload && !silent) {
                     this.dialogs.notifyInfo('Backups reloaded.');
                 }
 
                 this.next(s => {
-                const backups = ImmutableArray.of(dtos);
+                    const backups = ImmutableArray.of(payload);
 
                     return { ...s, backups, isLoaded: true };
                 });
-        }, error => {
-            if (!silent) {
-                this.dialogs.notifyError(error);
-            }
-        });
-
-        return http$;
+            }),
+            shareSubscribed(this.dialogs, { silent }));
     }
 
     public start(): Observable<any> {
-        const http$ =
-            this.backupsService.postBackup(this.appsState.appName).pipe(
-                share());
-
-        http$.subscribe(() => {
+        return this.backupsService.postBackup(this.appsState.appName).pipe(
+            tap(() => {
                 this.dialogs.notifyInfo('Backup started, it can take several minutes to complete.');
-        }, error => {
-            this.dialogs.notifyError(error);
-        });
-
-        return http$;
+            }),
+            shareSubscribed(this.dialogs));
     }
 
     public delete(backup: BackupDto): Observable<any> {
-        const http$ =
-            this.backupsService.deleteBackup(this.appsState.appName, backup.id).pipe(
-                share());
-
-        http$.subscribe(() => {
+        return this.backupsService.deleteBackup(this.appsState.appName, backup.id).pipe(
+            tap(() => {
                 this.dialogs.notifyInfo('Backup is about to be deleted.');
-        }, error => {
-            this.dialogs.notifyError(error);
-        });
-
-        return http$;
+            }),
+            shareSubscribed(this.dialogs));
     }
 
     private get appName() {

src/Squidex/app/shared/state/clients.state.spec.ts

@@ -10,11 +10,10 @@ import { IMock, It, Mock, Times } from 'typemoq';
 
 import {
     ClientDto,
-    ClientsDto,
     ClientsService,
     ClientsState,
     DialogService,
-    Versioned
+    versioned
 } from './../';
 
 import { TestValues } from './_test-helpers';
@@ -50,7 +49,7 @@ describe('ClientsState', () => {
     describe('Loading', () => {
         it('should load clients', () => {
             clientsService.setup(x => x.getClients(app))
-                .returns(() => of(new ClientsDto(oldClients, version))).verifiable();
+                .returns(() => of(versioned(version, oldClients))).verifiable();
 
             clientsState.load().subscribe();
 
@@ -63,7 +62,7 @@ describe('ClientsState', () => {
 
         it('should show notification on load when reload is true', () => {
             clientsService.setup(x => x.getClients(app))
-                .returns(() => of(new ClientsDto(oldClients, version))).verifiable();
+                .returns(() => of(versioned(version, oldClients))).verifiable();
 
             clientsState.load(true).subscribe();
 
@@ -76,7 +75,7 @@ describe('ClientsState', () => {
     describe('Updates', () => {
         beforeEach(() => {
             clientsService.setup(x => x.getClients(app))
-                .returns(() => of(new ClientsDto(oldClients, version))).verifiable();
+                .returns(() => of(versioned(version, oldClients))).verifiable();
 
             clientsState.load().subscribe();
         });
@@ -87,7 +86,7 @@ describe('ClientsState', () => {
             const request = { id: 'id3' };
 
             clientsService.setup(x => x.postClient(app, request, version))
-                .returns(() => of(new Versioned(newVersion, newClient))).verifiable();
+                .returns(() => of(versioned(newVersion, newClient))).verifiable();
 
             clientsState.attach(request).subscribe();
 
@@ -99,7 +98,7 @@ describe('ClientsState', () => {
             const request = { name: 'NewName', role: 'NewRole' };
 
             clientsService.setup(x => x.putClient(app, oldClients[0].id, request, version))
-                .returns(() => of(new Versioned(newVersion, {}))).verifiable();
+                .returns(() => of(versioned(newVersion))).verifiable();
 
             clientsState.update(oldClients[0], request).subscribe();
 
@@ -112,7 +111,7 @@ describe('ClientsState', () => {
 
         it('should remove client from snapshot when revoked', () => {
             clientsService.setup(x => x.deleteClient(app, oldClients[0].id, version))
-                .returns(() => of(new Versioned(newVersion, {}))).verifiable();
+                .returns(() => of(versioned(newVersion))).verifiable();
 
             clientsState.revoke(oldClients[0]).subscribe();
 

src/Squidex/app/shared/state/clients.state.ts

@@ -9,11 +9,13 @@
 
 import { Injectable } from '@angular/core';
 import { Observable } from 'rxjs';
-import { distinctUntilChanged, map, share } from 'rxjs/operators';
+import { distinctUntilChanged, map, tap } from 'rxjs/operators';
 
 import {
     DialogService,
     ImmutableArray,
+    mapVersioned,
+    shareSubscribed,
     State,
     Version
 } from '@app/framework';
@@ -63,71 +65,56 @@ export class ClientsState extends State<Snapshot> {
             this.resetState();
         }
 
-        const http$ =
-            this.clientsService.getClients(this.appName).pipe(
-                share());
-
-        http$.subscribe(response => {
+        return this.clientsService.getClients(this.appName).pipe(
+            tap(({ version, payload: newClients }) => {
                 if (isReload) {
                     this.dialogs.notifyInfo('Clients reloaded.');
                 }
 
-            const clients = ImmutableArray.of(response.clients);
+                const clients = ImmutableArray.of(newClients);
 
                 this.next(s => {
-                return { ...s, clients, isLoaded: true, version: response.version };
-            });
+                    return { ...s, clients, isLoaded: true, version };
                 });
-
-        return http$;
+            }),
+            shareSubscribed(this.dialogs));
     }
 
     public attach(request: CreateClientDto): Observable<ClientDto> {
-        const http$ =
-            this.clientsService.postClient(this.appName, request, this.version).pipe(
-                share());
-
-        http$.subscribe(({ version, payload }) => {
+        return this.clientsService.postClient(this.appName, request, this.version).pipe(
+            tap(({ version, payload }) => {
                 this.next(s => {
                     const clients = s.clients.push(payload);
 
                     return { ...s, clients, version: version };
                 });
-        });
-
-        return http$.pipe(map(x => x.payload));
+            }),
+            shareSubscribed(this.dialogs, { project: x => x.payload }));
     }
 
     public revoke(client: ClientDto): Observable<any> {
-        const http$ =
-            this.clientsService.deleteClient(this.appName, client.id, this.version).pipe(
-                share());
-
-        http$.subscribe(({ version }) => {
+        return this.clientsService.deleteClient(this.appName, client.id, this.version).pipe(
+            tap(({ version }) => {
                 this.next(s => {
                     const clients = s.clients.filter(c => c.id !== client.id);
 
                     return { ...s, clients, version };
                 });
-        });
-
-        return http$;
+            }),
+            shareSubscribed(this.dialogs));
     }
 
     public update(client: ClientDto, request: UpdateClientDto): Observable<ClientDto> {
-        const http$ =
-            this.clientsService.putClient(this.appName, client.id, request, this.version).pipe(
-                map(({ version }) => ({ version, client: update(client, request) })), share());
-
-        http$.subscribe(({ version, client }) => {
+        return this.clientsService.putClient(this.appName, client.id, request, this.version).pipe(
+            mapVersioned(() => update(client, request)),
+            tap(({ version, payload }) => {
                 this.next(s => {
-                const clients = s.clients.replaceBy('id', client);
+                    const clients = s.clients.replaceBy('id', payload);
 
                     return { ...s, clients, version };
                 });
-        });
-
-        return http$.pipe(map(x => x.client));
+            }),
+            shareSubscribed(this.dialogs, { project: x => x.payload }));
     }
 
     private get appName() {

src/Squidex/app/shared/state/comments.state.ts

@@ -6,12 +6,13 @@
  */
 
 import { Observable } from 'rxjs';
-import { distinctUntilChanged, map, share } from 'rxjs/operators';
+import { distinctUntilChanged, map, tap } from 'rxjs/operators';
 
 import {
     DateTime,
     DialogService,
     ImmutableArray,
+    shareSubscribed,
     State,
     Version
 } from '@app/framework';
@@ -51,89 +52,66 @@ export class CommentsState extends State<Snapshot> {
     }
 
     public load(): Observable<any> {
-        const http$ =
-            this.commentsService.getComments(this.appName, this.commentsId, this.version).pipe(
-                share());
-
-        http$.subscribe(response => {
+        return this.commentsService.getComments(this.appName, this.commentsId, this.version).pipe(
+            tap(payload => {
                 this.next(s => {
                     let comments = s.comments;
 
-                for (let created of response.createdComments) {
+                    for (let created of payload.createdComments) {
                         if (!comments.find(x => x.id === created.id)) {
                             comments = comments.push(created);
                         }
                     }
 
-                for (let updated of response.updatedComments) {
+                    for (let updated of payload.updatedComments) {
                         comments = comments.replaceBy('id', updated);
                     }
 
-                for (let deleted of response.deletedComments) {
+                    for (let deleted of payload.deletedComments) {
                         comments = comments.filter(x => x.id !== deleted);
                     }
 
-                return { ...s, comments, isLoaded: true, version: response.version };
-            });
-        }, error => {
-            this.dialogs.notifyError(error);
+                    return { ...s, comments, isLoaded: true, version: payload.version };
                 });
-
-        return http$;
+            }),
+            shareSubscribed(this.dialogs));
     }
 
     public create(text: string): Observable<CommentDto> {
-        const http$ =
-            this.commentsService.postComment(this.appName, this.commentsId, { text }).pipe(
-                share());
-
-        http$.subscribe(comment => {
+        return this.commentsService.postComment(this.appName, this.commentsId, { text }).pipe(
+            tap(comment => {
                 this.next(s => {
                     const comments = s.comments.push(comment);
 
                     return { ...s, comments };
                 });
-        }, error => {
-            this.dialogs.notifyError(error);
-        });
-
-        return http$;
+            }),
+            shareSubscribed(this.dialogs));
     }
 
-    public update(comment: CommentDto, text: string, now?: DateTime): Observable<CommentDto> {
-        const http$ =
-            this.commentsService.putComment(this.appName, this.commentsId, comment.id, { text }).pipe(
-                map(() => update(comment, text, now || DateTime.now())), share());
-
-        http$.subscribe(updated => {
+    public delete(comment: CommentDto): Observable<any> {
+        return this.commentsService.deleteComment(this.appName, this.commentsId, comment.id).pipe(
+            tap(() => {
                 this.next(s => {
-                const comments = s.comments.replaceBy('id', updated);
+                    const comments = s.comments.removeBy('id', comment);
 
                     return { ...s, comments };
                 });
-        }, error => {
-            this.dialogs.notifyError(error);
-        });
-
-        return http$;
+            }),
+            shareSubscribed(this.dialogs));
     }
 
-    public delete(comment: CommentDto): Observable<any> {
-        const http$ =
-            this.commentsService.deleteComment(this.appName, this.commentsId, comment.id).pipe(
-                share());
-
-        http$.subscribe(() => {
+    public update(comment: CommentDto, text: string, now?: DateTime): Observable<CommentDto> {
+        return this.commentsService.putComment(this.appName, this.commentsId, comment.id, { text }).pipe(
+            map(() => update(comment, text, now || DateTime.now())),
+            tap(updated => {
                 this.next(s => {
-                const comments = s.comments.removeBy('id', comment);
+                    const comments = s.comments.replaceBy('id', updated);
 
                     return { ...s, comments };
                 });
-        }, error => {
-            this.dialogs.notifyError(error);
-        });
-
-        return http$;
+            }),
+            shareSubscribed(this.dialogs));
     }
 
     private get version() {

src/Squidex/app/shared/state/contents.state.ts

@@ -16,6 +16,7 @@ import {
     ImmutableArray,
     notify,
     Pager,
+    shareSubscribed,
     State,
     Version,
     Versioned
@@ -142,10 +143,10 @@ export abstract class ContentsStateBase extends State<Snapshot> {
                     return { ...s, contents, contentsPager, selectedContent, isLoaded: true };
                 });
             }),
-            notify(this.dialogs));
+            shareSubscribed(this.dialogs));
     }
 
-    public create(request: any, publish: boolean) {
+    public create(request: any, publish: boolean): Observable<ContentDto> {
         return this.contentsService.postContent(this.appName, this.schemaName, request, publish).pipe(
             tap(dto => {
                 this.dialogs.notifyInfo('Contents created successfully.');
@@ -157,7 +158,7 @@ export abstract class ContentsStateBase extends State<Snapshot> {
                     return { ...s, contents, contentsPager };
                 });
             }),
-            notify(this.dialogs));
+            shareSubscribed(this.dialogs));
     }
 
     public changeManyStatus(contents: ContentDto[], action: string, dueTime: string | null): Observable<any> {
@@ -205,7 +206,7 @@ export abstract class ContentsStateBase extends State<Snapshot> {
                     this.replaceContent(confirmChanges(content, this.user, dto.version, now));
                 }
             }),
-            notify(this.dialogs));
+            shareSubscribed(this.dialogs));
     }
 
     public changeStatus(content: ContentDto, action: string, status: string, dueTime: string | null, now?: DateTime): Observable<any> {
@@ -219,7 +220,7 @@ export abstract class ContentsStateBase extends State<Snapshot> {
                     this.replaceContent(changeStatus(content, status, this.user, dto.version, now));
                 }
             }),
-            notify(this.dialogs));
+            shareSubscribed(this.dialogs));
     }
 
     public update(content: ContentDto, request: any, now?: DateTime): Observable<any> {
@@ -231,7 +232,7 @@ export abstract class ContentsStateBase extends State<Snapshot> {
                     this.replaceContent(updateData(content, dto.payload, this.user, dto.version, now));
                 }
             }),
-            notify(this.dialogs));
+            shareSubscribed(this.dialogs));
     }
 
     public proposeUpdate(content: ContentDto, request: any, now?: DateTime): Observable<any> {
@@ -243,7 +244,7 @@ export abstract class ContentsStateBase extends State<Snapshot> {
                     this.replaceContent(updateDataDraft(content, dto.payload, this.user, dto.version, now));
                 }
             }),
-            notify(this.dialogs));
+            shareSubscribed(this.dialogs));
     }
 
     public discardChanges(content: ContentDto, now?: DateTime): Observable<any> {
@@ -255,7 +256,7 @@ export abstract class ContentsStateBase extends State<Snapshot> {
                     this.replaceContent(discardChanges(content, this.user, dto.version, now));
                 }
             }),
-            notify(this.dialogs));
+            shareSubscribed(this.dialogs));
     }
 
     public patch(content: ContentDto, request: any, now?: DateTime): Observable<any> {
@@ -267,7 +268,7 @@ export abstract class ContentsStateBase extends State<Snapshot> {
                     this.replaceContent(updateData(content, dto.payload, this.user, dto.version, now));
                 }
             }),
-            notify(this.dialogs));
+            shareSubscribed(this.dialogs));
     }
 
     private replaceContent(content: ContentDto) {

src/Squidex/app/shared/state/contributors.state.spec.ts

@@ -10,11 +10,10 @@ import { IMock, It, Mock, Times } from 'typemoq';
 
 import {
     ContributorDto,
-    ContributorsDto,
     ContributorsService,
     ContributorsState,
     DialogService,
-    Versioned
+    versioned
 } from './../';
 
 import { TestValues } from './_test-helpers';
@@ -52,7 +51,7 @@ describe('ContributorsState', () => {
     describe('Loading', () => {
         it('should load contributors', () => {
             contributorsService.setup(x => x.getContributors(app))
-                .returns(() => of(new ContributorsDto(oldContributors, 3, version))).verifiable();
+                .returns(() => of(versioned(version, { contributors: oldContributors, maxContributors: 3 }))).verifiable();
 
             contributorsState.load().subscribe();
 
@@ -70,7 +69,7 @@ describe('ContributorsState', () => {
 
         it('should show notification on load when reload is true', () => {
             contributorsService.setup(x => x.getContributors(app))
-                .returns(() => of(new ContributorsDto(oldContributors, 3, version))).verifiable();
+                .returns(() => of(versioned(version, { contributors: oldContributors, maxContributors: 3 }))).verifiable();
 
             contributorsState.load(true).subscribe();
 
@@ -83,7 +82,7 @@ describe('ContributorsState', () => {
     describe('Updates', () => {
         beforeEach(() => {
             contributorsService.setup(x => x.getContributors(app))
-                .returns(() => of(new ContributorsDto(oldContributors, 3, version))).verifiable();
+                .returns(() => of(versioned(version, { contributors: oldContributors, maxContributors: 3 }))).verifiable();
 
             contributorsState.load().subscribe();
         });
@@ -95,7 +94,7 @@ describe('ContributorsState', () => {
             const response = { contributorId: newContributor.contributorId, isCreated: true };
 
             contributorsService.setup(x => x.postContributor(app, request, version))
-                .returns(() => of(new Versioned(newVersion, response))).verifiable();
+                .returns(() => of(versioned(newVersion, response))).verifiable();
 
             contributorsState.assign(request).subscribe();
 
@@ -116,7 +115,7 @@ describe('ContributorsState', () => {
             const response = { contributorId: newContributor.contributorId, isCreated: true };
 
             contributorsService.setup(x => x.postContributor(app, request, version))
-                .returns(() => of(new Versioned(newVersion, response))).verifiable();
+                .returns(() => of(versioned(newVersion, response))).verifiable();
 
             contributorsState.assign(request).subscribe();
 
@@ -131,7 +130,7 @@ describe('ContributorsState', () => {
 
         it('should remove contributor from snapshot when revoked', () => {
             contributorsService.setup(x => x.deleteContributor(app, oldContributors[0].contributorId, version))
-                .returns(() => of(new Versioned(newVersion, {}))).verifiable();
+                .returns(() => of(versioned(newVersion))).verifiable();
 
             contributorsState.revoke(oldContributors[0]).subscribe();
 

src/Squidex/app/shared/state/contributors.state.ts

@@ -7,12 +7,13 @@
 
 import { Injectable } from '@angular/core';
 import { Observable, throwError } from 'rxjs';
-import { catchError, distinctUntilChanged, map, share } from 'rxjs/operators';
+import { catchError, distinctUntilChanged, map, tap } from 'rxjs/operators';
 
 import {
     DialogService,
     ErrorDto,
     ImmutableArray,
+    shareSubscribed,
     State,
     Types,
     Version
@@ -86,44 +87,31 @@ export class ContributorsState extends State<Snapshot> {
             this.resetState();
         }
 
-        const http$ =
-            this.contributorsService.getContributors(this.appName).pipe(
-                share());
-
-        http$.subscribe(response => {
+        return this.contributorsService.getContributors(this.appName).pipe(
+            tap(({ version, payload }) => {
                 if (isReload) {
                     this.dialogs.notifyInfo('Contributors reloaded.');
                 }
 
-            const contributors = ImmutableArray.of(response.contributors.map(x => this.createContributor(x)));
-
-            this.replaceContributors(contributors, response.version, response.maxContributors);
-        }, error => {
-            this.dialogs.notifyError(error);
-        });
+                const contributors = ImmutableArray.of(payload.contributors.map(x => this.createContributor(x)));
 
-        return http$;
+                this.replaceContributors(contributors, version, payload.maxContributors);
+            }),
+            shareSubscribed(this.dialogs));
     }
 
     public revoke(contributor: ContributorDto): Observable<any> {
-        const http$ =
-            this.contributorsService.deleteContributor(this.appName, contributor.contributorId, this.version).pipe(
-                share());
-
-        http$.subscribe(({ version }) => {
+        return this.contributorsService.deleteContributor(this.appName, contributor.contributorId, this.version).pipe(
+            tap(({ version }) => {
                 const contributors = this.snapshot.contributors.filter(x => x.contributor.contributorId !== contributor.contributorId);
 
                 this.replaceContributors(contributors, version);
-        }, error => {
-            this.dialogs.notifyError(error);
-        });
-
-        return http$;
+            }),
+            shareSubscribed(this.dialogs));
     }
 
     public assign(request: AssignContributorDto): Observable<boolean | undefined> {
-        const http$ =
-            this.contributorsService.postContributor(this.appName, request, this.version).pipe(
+        return this.contributorsService.postContributor(this.appName, request, this.version).pipe(
             catchError(error => {
                 if (Types.is(error, ErrorDto) && error.statusCode === 404) {
                     return throwError(new ErrorDto(404, 'The user does not exist.'));
@@ -131,17 +119,12 @@ export class ContributorsState extends State<Snapshot> {
                     return throwError(error);
                 }
             }),
-                share());
-
-        http$.subscribe(({ payload, version }) => {
+            tap(({ version, payload }) => {
                 const contributors = this.updateContributors(payload.contributorId, request.role);
 
                 this.replaceContributors(contributors, version);
-        }, error => {
-            this.dialogs.notifyError(error);
-        });
-
-        return http$.pipe(map(x => x.payload.isCreated));
+            }),
+            shareSubscribed(this.dialogs, { project: x => x.payload.isCreated }));
     }
 
     private updateContributors(id: string, role: string) {

src/Squidex/app/shared/state/languages.state.spec.ts

@@ -10,14 +10,13 @@ import { IMock, It, Mock, Times } from 'typemoq';
 
 import {
     AppLanguageDto,
-    AppLanguagesDto,
     AppLanguagesService,
     DialogService,
     ImmutableArray,
     LanguageDto,
     LanguagesService,
     LanguagesState,
-    Versioned
+    versioned
 } from './../';
 
 import { TestValues } from './_test-helpers';
@@ -56,7 +55,7 @@ describe('LanguagesState', () => {
         languagesService = Mock.ofType<AppLanguagesService>();
 
         languagesService.setup(x => x.getLanguages(app))
-            .returns(() => of(new AppLanguagesDto(oldLanguages, version))).verifiable();
+            .returns(() => of({ payload: oldLanguages, version })).verifiable();
 
         languagesState = new LanguagesState(languagesService.object, appsState.object, dialogs.object, allLanguagesService.object);
     });
@@ -107,7 +106,7 @@ describe('LanguagesState', () => {
             const newLanguage = new AppLanguageDto(languageIT.iso2Code, languageIT.englishName, false, false, []);
 
             languagesService.setup(x => x.postLanguage(app, It.isAny(), version))
-                .returns(() => of(new Versioned(newVersion, newLanguage))).verifiable();
+                .returns(() => of(versioned(newVersion, newLanguage))).verifiable();
 
             languagesState.add(languageIT).subscribe();
 
@@ -134,7 +133,7 @@ describe('LanguagesState', () => {
             const request = { isMaster: true, isOptional: false, fallback: [] };
 
             languagesService.setup(x => x.putLanguage(app, oldLanguages[1].iso2Code, request, version))
-                .returns(() => of(new Versioned(newVersion, {}))).verifiable();
+                .returns(() => of(versioned(newVersion))).verifiable();
 
             languagesState.update(oldLanguages[1], request).subscribe();
 
@@ -158,7 +157,7 @@ describe('LanguagesState', () => {
 
         it('should remove language from snapshot when deleted', () => {
             languagesService.setup(x => x.deleteLanguage(app, oldLanguages[1].iso2Code, version))
-                .returns(() => of(new Versioned(newVersion, {}))).verifiable();
+                .returns(() => of(versioned(newVersion))).verifiable();
 
             languagesState.remove(oldLanguages[1]).subscribe();
 

src/Squidex/app/shared/state/languages.state.ts

@@ -7,12 +7,13 @@
 
 import { Injectable } from '@angular/core';
 import { forkJoin, Observable } from 'rxjs';
-import { distinctUntilChanged, map, share, tap } from 'rxjs/operators';
+import { distinctUntilChanged, map, tap } from 'rxjs/operators';
 
 import {
     DialogService,
     ImmutableArray,
-    notify,
+    mapVersioned,
+    shareSubscribed,
     State,
     Version
 } from '@app/framework';
@@ -95,57 +96,51 @@ export class LanguagesState extends State<Snapshot> {
             this.resetState();
         }
 
-        const http$ =
-            forkJoin(
+        return forkJoin(
                 this.languagesService.getLanguages(),
                 this.appLanguagesService.getLanguages(this.appName)).pipe(
             map(args => {
                 return { allLanguages: args[0], languages: args[1] };
             }),
-                share());
-
-        http$.subscribe(response => {
+            tap(({ allLanguages, languages }) => {
                 if (isReload) {
                     this.dialogs.notifyInfo('Languages reloaded.');
                 }
 
-            const sorted = ImmutableArray.of(response.allLanguages).sortByStringAsc(x => x.englishName);
-
-            this.replaceLanguages(ImmutableArray.of(response.languages.languages), response.languages.version, sorted);
+                const sorted = ImmutableArray.of(allLanguages).sortByStringAsc(x => x.englishName);
 
-        }, error => {
-            this.dialogs.notifyError(error);
-        });
-
-        return http$;
+                this.replaceLanguages(ImmutableArray.of(languages.payload), languages.version, sorted);
+            }),
+            shareSubscribed(this.dialogs));
     }
 
-    public add(language: LanguageDto): Observable<any> {
+    public add(language: LanguageDto): Observable<AppLanguageDto> {
         return this.appLanguagesService.postLanguage(this.appName, { language: language.iso2Code }, this.version).pipe(
-            tap(dto => {
-                const languages = this.snapshot.plainLanguages.push(dto.payload).sortByStringAsc(x => x.englishName);
+            tap(({ version, payload }) => {
+                const languages = this.snapshot.plainLanguages.push(payload).sortByStringAsc(x => x.englishName);
 
-                this.replaceLanguages(languages, dto.version);
+                this.replaceLanguages(languages, version);
             }),
-            notify(this.dialogs));
+            shareSubscribed(this.dialogs, { project: x => x.payload }));
     }
 
     public remove(language: AppLanguageDto): Observable<any> {
         return this.appLanguagesService.deleteLanguage(this.appName, language.iso2Code, this.version).pipe(
-            tap(dto => {
+            tap(({ version }) => {
                 const languages = this.snapshot.plainLanguages.filter(x => x.iso2Code !== language.iso2Code);
 
-                this.replaceLanguages(languages, dto.version);
+                this.replaceLanguages(languages, version);
             }),
-            notify(this.dialogs));
+            shareSubscribed(this.dialogs));
     }
 
-    public update(language: AppLanguageDto, request: UpdateAppLanguageDto): Observable<any> {
+    public update(language: AppLanguageDto, request: UpdateAppLanguageDto): Observable<AppLanguageDto> {
         return this.appLanguagesService.putLanguage(this.appName, language.iso2Code, request, this.version).pipe(
-            tap(dto => {
+            mapVersioned(() => update(language, request)),
+            tap(({ version, payload }) => {
                 const languages = this.snapshot.plainLanguages.map(x => {
                     if (x.iso2Code === language.iso2Code) {
-                        return update(x, request);
+                        return payload;
                     } else if (x.isMaster && request.isMaster) {
                         return update(x, { isMaster: false });
                     } else {
@@ -153,9 +148,9 @@ export class LanguagesState extends State<Snapshot> {
                     }
                 });
 
-                this.replaceLanguages(languages, dto.version);
+                this.replaceLanguages(languages, version);
             }),
-            notify(this.dialogs));
+            shareSubscribed(this.dialogs));
     }
 
     private replaceLanguages(languages: AppLanguagesList, version: Version, allLanguages?: LanguageList) {

src/Squidex/app/shared/state/patterns.state.spec.ts

@@ -11,10 +11,9 @@ import { IMock, It, Mock, Times } from 'typemoq';
 import {
     DialogService,
     PatternDto,
-    PatternsDto,
     PatternsService,
     PatternsState,
-    Versioned
+    versioned
 } from './../';
 
 import { TestValues } from './_test-helpers';
@@ -50,7 +49,7 @@ describe('PatternsState', () => {
     describe('Loading', () => {
         it('should load patterns', () => {
             patternsService.setup(x => x.getPatterns(app))
-                .returns(() => of(new PatternsDto(oldPatterns, version))).verifiable();
+                .returns(() => of({ payload: oldPatterns, version })).verifiable();
 
             patternsState.load().subscribe();
 
@@ -62,7 +61,7 @@ describe('PatternsState', () => {
 
         it('should show notification on load when reload is true', () => {
             patternsService.setup(x => x.getPatterns(app))
-                .returns(() => of(new PatternsDto(oldPatterns, version))).verifiable();
+                .returns(() => of({ payload: oldPatterns, version })).verifiable();
 
             patternsState.load(true).subscribe();
 
@@ -75,7 +74,7 @@ describe('PatternsState', () => {
     describe('Updates', () => {
         beforeEach(() => {
             patternsService.setup(x => x.getPatterns(app))
-                .returns(() => of(new PatternsDto(oldPatterns, version))).verifiable();
+                .returns(() => of({ payload: oldPatterns, version })).verifiable();
 
             patternsState.load().subscribe();
         });
@@ -86,7 +85,7 @@ describe('PatternsState', () => {
             const request = { ...newPattern };
 
             patternsService.setup(x => x.postPattern(app, request, version))
-                .returns(() => of(new Versioned(newVersion, newPattern))).verifiable();
+                .returns(() => of(versioned(newVersion, newPattern))).verifiable();
 
             patternsState.create(request).subscribe();
 
@@ -98,7 +97,7 @@ describe('PatternsState', () => {
             const request = { name: 'name2_1', pattern: 'pattern2_1', message: 'message2_1' };
 
             patternsService.setup(x => x.putPattern(app, oldPatterns[1].id, request, version))
-                .returns(() => of(new Versioned(newVersion, {}))).verifiable();
+                .returns(() => of(versioned(newVersion))).verifiable();
 
             patternsState.update(oldPatterns[1], request).subscribe();
 
@@ -112,7 +111,7 @@ describe('PatternsState', () => {
 
         it('should remove pattern from snapshot when deleted', () => {
             patternsService.setup(x => x.deletePattern(app, oldPatterns[0].id, version))
-                .returns(() => of(new Versioned(newVersion, {}))).verifiable();
+                .returns(() => of(versioned(newVersion))).verifiable();
 
             patternsState.delete(oldPatterns[0]).subscribe();
 

src/Squidex/app/shared/state/patterns.state.ts

@@ -7,11 +7,13 @@
 
 import { Injectable } from '@angular/core';
 import { Observable } from 'rxjs';
-import { distinctUntilChanged, map, share } from 'rxjs/operators';
+import { distinctUntilChanged, map, tap } from 'rxjs/operators';
 
 import {
     DialogService,
     ImmutableArray,
+    mapVersioned,
+    shareSubscribed,
     State,
     Version
 } from '@app/framework';
@@ -60,79 +62,56 @@ export class PatternsState extends State<Snapshot> {
             this.resetState();
         }
 
-        const update$ =
-            this.patternsService.getPatterns(this.appName).pipe(
-                share());
-
-        update$.subscribe(({ version, patterns: items }) => {
+        return this.patternsService.getPatterns(this.appName).pipe(
+            tap(({ version, payload }) => {
                 if (isReload) {
                     this.dialogs.notifyInfo('Patterns reloaded.');
                 }
 
                 this.next(s => {
-                const patterns = ImmutableArray.of(items).sortByStringAsc(x => x.name);
+                    const patterns = ImmutableArray.of(payload).sortByStringAsc(x => x.name);
 
                     return { ...s, patterns, isLoaded: true, version: version };
                 });
-        }, error => {
-            this.dialogs.notifyError(error);
-        });
-
-        return update$;
+            }),
+            shareSubscribed(this.dialogs, { project: x => x.payload }));
     }
 
     public create(request: EditPatternDto): Observable<PatternDto> {
-        const update$ =
-            this.patternsService.postPattern(this.appName, request, this.version).pipe(
-                share());
-
-        update$.subscribe(({ version, payload: pattern }) => {
+        return this.patternsService.postPattern(this.appName, request, this.version).pipe(
+            tap(({ version, payload }) => {
                 this.next(s => {
-                const patterns = s.patterns.push(pattern).sortByStringAsc(x => x.name);
+                    const patterns = s.patterns.push(payload).sortByStringAsc(x => x.name);
 
                     return { ...s, patterns, version: version };
                 });
-        }, error => {
-            this.dialogs.notifyError(error);
-        });
-
-        return update$.pipe(map(x => x.payload));
+            }),
+            shareSubscribed(this.dialogs, { project: x => x.payload }));
     }
 
     public update(pattern: PatternDto, request: EditPatternDto): Observable<PatternDto> {
-        const update$ =
-            this.patternsService.putPattern(this.appName, pattern.id, request, this.version).pipe(
-                map(({ version }) => ({ version, payload: update(pattern, request) })), share());
-
-        update$.subscribe(({ version, payload }) => {
+        return this.patternsService.putPattern(this.appName, pattern.id, request, this.version).pipe(
+            mapVersioned(() => update(pattern, request)),
+            tap(({ version, payload }) => {
                 this.next(s => {
                     const patterns = s.patterns.replaceBy('id', payload).sortByStringAsc(x => x.name);
 
                     return { ...s, patterns, version: version };
                 });
-        }, error => {
-            this.dialogs.notifyError(error);
-        });
-
-        return update$.pipe(map(x => x.payload));
+            }),
+            shareSubscribed(this.dialogs, { project: x => x.payload }));
     }
 
     public delete(pattern: PatternDto): Observable<any> {
-        const update$ =
-            this.patternsService.deletePattern(this.appName, pattern.id, this.version).pipe(
-                share());
-
-        update$.subscribe(({ version }) => {
+        return this.patternsService.deletePattern(this.appName, pattern.id, this.version).pipe(
+            tap(({ version }) => {
                 this.next(s => {
                     const patterns = s.patterns.filter(c => c.id !== pattern.id);
 
                     return { ...s, patterns, version: version };
                 });
-        }, error => {
-            this.dialogs.notifyError(error);
-        });
-
-        return update$;
+            }),
+            shareSubscribed(this.dialogs));
     }
 
     private get appName() {

src/Squidex/app/shared/state/plans.state.spec.ts

@@ -12,10 +12,9 @@ import { IMock, It, Mock, Times } from 'typemoq';
 import {
     DialogService,
     PlanDto,
-    PlansDto,
     PlansService,
     PlansState,
-    Versioned
+    versioned
 } from './../';
 
 import { TestValues } from './_test-helpers';
@@ -25,16 +24,20 @@ describe('PlansState', () => {
         app,
         appsState,
         authService,
+        creator,
         newVersion,
         version
     } = TestValues;
 
-    const oldPlans =
-        new PlansDto('id1', 'id2', true, [
+    const oldPlans = {
+        currentPlanId: 'id1',
+        planOwner: creator,
+        plans: [
             new PlanDto('id1', 'name1', '100€', 'id1_yearly', '200€', 1, 1, 1),
             new PlanDto('id2', 'name2', '400€', 'id2_yearly', '800€', 2, 2, 2)
         ],
-        version);
+        hasPortal: true
+    };
 
     let dialogs: IMock<DialogService>;
     let plansService: IMock<PlansService>;
@@ -44,15 +47,19 @@ describe('PlansState', () => {
         dialogs = Mock.ofType<DialogService>();
 
         plansService = Mock.ofType<PlansService>();
-
-        plansService.setup(x => x.getPlans(app))
-            .returns(() => of(oldPlans));
-
         plansState = new PlansState(appsState.object, authService.object, dialogs.object, plansService.object);
     });
 
+    afterEach(() => {
+        plansService.verifyAll();
+    });
+
+    describe('Loading', () => {
         it('should load plans', () => {
-        plansState.load().pipe(onErrorResumeNext()).subscribe();
+            plansService.setup(x => x.getPlans(app))
+                .returns(() => of(versioned(version, oldPlans))).verifiable();
+
+            plansState.load().subscribe();
 
             expect(plansState.snapshot.plans.values).toEqual([
                 { isSelected: true,  isYearlySelected: false, plan: oldPlans.plans[0] },
@@ -67,7 +74,10 @@ describe('PlansState', () => {
         });
 
         it('should load plans with overriden id', () => {
-        plansState.load(false, 'id2_yearly').pipe(onErrorResumeNext()).subscribe();
+            plansService.setup(x => x.getPlans(app))
+                .returns(() => of(versioned(version, oldPlans))).verifiable();
+
+            plansState.load(false, 'id2_yearly').subscribe();
 
             expect(plansState.snapshot.plans.values).toEqual([
                 { isSelected: false, isYearlySelected: false, plan: oldPlans.plans[0] },
@@ -82,12 +92,26 @@ describe('PlansState', () => {
         });
 
         it('should show notification on load when reload is true', () => {
+            plansService.setup(x => x.getPlans(app))
+                .returns(() => of(versioned(version, oldPlans))).verifiable();
+
             plansState.load(true).subscribe();
 
             expect().nothing();
 
             dialogs.verify(x => x.notifyInfo(It.isAnyString()), Times.once());
         });
+    });
+
+    describe('Updates', () => {
+        beforeEach(() => {
+            plansState.window = <any>{ location: {} };
+
+            plansService.setup(x => x.getPlans(app))
+                .returns(() => of(versioned(version, oldPlans))).verifiable();
+
+            plansState.load().subscribe();
+        });
 
         it('should redirect when returning url', () => {
             plansState.window = <any>{ location: {} };
@@ -95,9 +119,8 @@ describe('PlansState', () => {
             const result = { redirectUri: 'http://url' };
 
             plansService.setup(x => x.putPlan(app, It.isAny(), version))
-            .returns(() => of(new Versioned(newVersion, result)));
+                .returns(() => of(versioned(newVersion, result)));
 
-        plansState.load().subscribe();
             plansState.change('free').pipe(onErrorResumeNext()).subscribe();
 
             expect(plansState.snapshot.plans.values).toEqual([
@@ -109,12 +132,9 @@ describe('PlansState', () => {
         });
 
         it('should update plans when no returning url', () => {
-        plansState.window = <any>{ location: {} };
-
             plansService.setup(x => x.putPlan(app, It.isAny(), version))
-            .returns(() => of(new Versioned(newVersion, { redirectUri: '' })));
+                .returns(() => of(versioned(newVersion, { redirectUri: '' })));
 
-        plansState.load().subscribe();
             plansState.change('id2_yearly').pipe(onErrorResumeNext()).subscribe();
 
             expect(plansState.snapshot.plans.values).toEqual([
@@ -125,3 +145,4 @@ describe('PlansState', () => {
             expect(plansState.snapshot.version).toEqual(newVersion);
         });
     });
+});

src/Squidex/app/shared/state/plans.state.ts

@@ -12,7 +12,7 @@ import { distinctUntilChanged, map, tap } from 'rxjs/operators';
 import {
     DialogService,
     ImmutableArray,
-    notify,
+    shareSubscribed,
     State,
     Version
 } from '@app/framework';
@@ -88,26 +88,26 @@ export class PlansState extends State<Snapshot> {
         }
 
         return this.plansService.getPlans(this.appName).pipe(
-            tap(dto => {
+            tap(({ version, payload }) => {
                 if (isReload) {
                     this.dialogs.notifyInfo('Plans reloaded.');
                 }
 
                 this.next(s => {
-                    const planId = overridePlanId || dto.currentPlanId;
-                    const plans = ImmutableArray.of(dto.plans.map(x => this.createPlan(x, planId)));
+                    const planId = overridePlanId || payload.currentPlanId;
+                    const plans = ImmutableArray.of(payload.plans.map(x => this.createPlan(x, planId)));
 
                     return {
                         ...s,
                         plans: plans,
-                        isOwner: !dto.planOwner || dto.planOwner === this.userId,
+                        isOwner: !payload.planOwner || payload.planOwner === this.userId,
                         isLoaded: true,
-                        version: dto.version,
-                        hasPortal: dto.hasPortal
+                        version,
+                        hasPortal: payload.hasPortal
                     };
                 });
             }),
-            notify(this.dialogs));
+            shareSubscribed(this.dialogs));
     }
 
     public change(planId: string): Observable<any> {
@@ -123,7 +123,7 @@ export class PlansState extends State<Snapshot> {
                     });
                 }
             }),
-            notify(this.dialogs));
+            shareSubscribed(this.dialogs));
     }
 
     private createPlan(plan: PlanDto, id: string) {

src/Squidex/app/shared/state/roles.state.spec.ts

@@ -11,10 +11,9 @@ import { IMock, It, Mock, Times } from 'typemoq';
 import {
     DialogService,
     RoleDto,
-    RolesDto,
     RolesService,
     RolesState,
-    Versioned
+    versioned
 } from './../';
 
 import { TestValues } from './_test-helpers';
@@ -46,7 +45,7 @@ describe('RolesState', () => {
     describe('Loading', () => {
         it('should load roles', () => {
             rolesService.setup(x => x.getRoles(app))
-                .returns(() => of(new RolesDto(oldRoles, version))).verifiable();
+                .returns(() => of({ payload: oldRoles, version })).verifiable();
 
             rolesState.load().subscribe();
 
@@ -59,7 +58,7 @@ describe('RolesState', () => {
 
         it('should show notification on load when reload is true', () => {
             rolesService.setup(x => x.getRoles(app))
-                .returns(() => of(new RolesDto(oldRoles, version))).verifiable();
+                .returns(() => of(versioned(version, oldRoles))).verifiable();
 
             rolesState.load(true).subscribe();
 
@@ -72,7 +71,7 @@ describe('RolesState', () => {
     describe('Updates', () => {
         beforeEach(() => {
             rolesService.setup(x => x.getRoles(app))
-                .returns(() => of(new RolesDto(oldRoles, version)));
+                .returns(() => of(versioned(version, oldRoles))).verifiable();
 
             rolesState.load().subscribe();
         });
@@ -83,7 +82,7 @@ describe('RolesState', () => {
             const request = { name: newRole.name };
 
             rolesService.setup(x => x.postRole(app, request, version))
-                .returns(() => of(new Versioned(newVersion, newRole)));
+                .returns(() => of(versioned(newVersion, newRole)));
 
             rolesState.add(request).subscribe();
 
@@ -95,7 +94,7 @@ describe('RolesState', () => {
             const request = { permissions: ['P4', 'P5'] };
 
             rolesService.setup(x => x.putRole(app, oldRoles[1].name, request, version))
-                .returns(() => of(new Versioned(newVersion, {})));
+                .returns(() => of(versioned(newVersion)));
 
             rolesState.update(oldRoles[1], request).subscribe();
 
@@ -107,7 +106,7 @@ describe('RolesState', () => {
 
         it('should remove role from snapshot when deleted', () => {
             rolesService.setup(x => x.deleteRole(app, oldRoles[0].name, version))
-                .returns(() => of(new Versioned(newVersion, {})));
+                .returns(() => of(versioned(newVersion)));
 
             rolesState.delete(oldRoles[0]).subscribe();
 

src/Squidex/app/shared/state/roles.state.ts

@@ -12,7 +12,8 @@ import { distinctUntilChanged, map, tap } from 'rxjs/operators';
 import {
     DialogService,
     ImmutableArray,
-    notify,
+    mapVersioned,
+    shareSubscribed,
     State,
     Version
 } from '@app/framework';
@@ -63,54 +64,55 @@ export class RolesState extends State<Snapshot> {
         }
 
        return this.rolesService.getRoles(this.appName).pipe(
-            tap(dtos => {
+            tap(({ payload, version }) => {
                 if (isReload) {
                     this.dialogs.notifyInfo('Roles reloaded.');
                 }
 
                 this.next(s => {
-                    const roles = ImmutableArray.of(dtos.roles).sortByStringAsc(x => x.name);
+                    const roles = ImmutableArray.of(payload).sortByStringAsc(x => x.name);
 
-                    return { ...s, roles, isLoaded: true, version: dtos.version };
+                    return { ...s, roles, isLoaded: true, version };
                 });
             }),
-            notify(this.dialogs));
+            shareSubscribed(this.dialogs));
     }
 
-    public add(request: CreateRoleDto): Observable<any> {
+    public add(request: CreateRoleDto): Observable<RoleDto> {
         return this.rolesService.postRole(this.appName, request, this.version).pipe(
-            tap(dto => {
+            tap(({ version, payload }) => {
                 this.next(s => {
-                    const roles = s.roles.push(dto.payload).sortByStringAsc(x => x.name);
+                    const roles = s.roles.push(payload).sortByStringAsc(x => x.name);
 
-                    return { ...s, roles, version: dto.version };
+                    return { ...s, roles, version };
                 });
             }),
-            notify(this.dialogs));
+            shareSubscribed(this.dialogs, { project: x => x.payload }));
     }
 
     public delete(role: RoleDto): Observable<any> {
         return this.rolesService.deleteRole(this.appName, role.name, this.version).pipe(
-            tap(dto => {
+            tap(({ version }) => {
                 this.next(s => {
                     const roles = s.roles.removeBy('name', role);
 
-                    return { ...s, roles, version: dto.version };
+                    return { ...s, roles, version };
                 });
             }),
-            notify(this.dialogs));
+            shareSubscribed(this.dialogs));
     }
 
-    public update(role: RoleDto, request: UpdateRoleDto): Observable<any> {
+    public update(role: RoleDto, request: UpdateRoleDto): Observable<RoleDto> {
         return this.rolesService.putRole(this.appName, role.name, request, this.version).pipe(
-            tap(dto => {
+            mapVersioned(() => update(role, request)),
+            tap(({ version, payload }) => {
                 this.next(s => {
-                    const roles = s.roles.replaceBy('name', update(role, request));
+                    const roles = s.roles.replaceBy('name', payload);
 
-                    return { ...s, roles, version: dto.version };
+                    return { ...s, roles, version };
                 });
             }),
-            notify(this.dialogs));
+            shareSubscribed(this.dialogs, { project: x => x.payload }));
     }
 
     private get appName() {

src/Squidex/app/shared/state/rule-events.state.ts

@@ -12,8 +12,8 @@ import { distinctUntilChanged, map, tap } from 'rxjs/operators';
 import {
     DialogService,
     ImmutableArray,
-    notify,
     Pager,
+    shareSubscribed,
     State
 } from '@app/framework';
 
@@ -78,7 +78,7 @@ export class RuleEventsState extends State<Snapshot> {
                     return { ...s, ruleEvents, ruleEventsPager, isLoaded: true };
                 });
             }),
-            notify(this.dialogs));
+            shareSubscribed(this.dialogs));
     }
 
     public enqueue(event: RuleEventDto): Observable<any> {
@@ -86,7 +86,7 @@ export class RuleEventsState extends State<Snapshot> {
             tap(() => {
                 this.dialogs.notifyInfo('Events enqueued. Will be resend in a few seconds.');
             }),
-            notify(this.dialogs));
+            shareSubscribed(this.dialogs));
     }
 
     public cancel(event: RuleEventDto): Observable<any> {
@@ -98,7 +98,7 @@ export class RuleEventsState extends State<Snapshot> {
                     return { ...s, ruleEvents, isLoaded: true };
                 });
             }),
-            notify(this.dialogs));
+            shareSubscribed(this.dialogs));
     }
 
     public goNext(): Observable<any> {

src/Squidex/app/shared/state/rules.state.spec.ts

@@ -14,7 +14,7 @@ import {
     DialogService,
     RuleDto,
     RulesService,
-    Versioned
+    versioned
 } from './../';
 
 import { TestValues } from './_test-helpers';
@@ -103,7 +103,7 @@ describe('RulesState', () => {
             const newAction = {};
 
             rulesService.setup(x => x.putRule(app, oldRules[0].id, It.isAny(), version))
-                .returns(() => of(new Versioned(newVersion, {}))).verifiable();
+                .returns(() => of(versioned(newVersion))).verifiable();
 
             rulesState.updateAction(oldRules[0], newAction, modified).subscribe();
 
@@ -117,7 +117,7 @@ describe('RulesState', () => {
             const newTrigger = {};
 
             rulesService.setup(x => x.putRule(app, oldRules[0].id, It.isAny(), version))
-                .returns(() => of(new Versioned(newVersion, {}))).verifiable();
+                .returns(() => of(versioned(newVersion))).verifiable();
 
             rulesState.updateTrigger(oldRules[0], newTrigger, modified).subscribe();
 
@@ -129,7 +129,7 @@ describe('RulesState', () => {
 
         it('should mark as enabled and update and user info when enabled', () => {
             rulesService.setup(x => x.enableRule(app, oldRules[0].id, version))
-                .returns(() => of(new Versioned(newVersion, {}))).verifiable();
+                .returns(() => of(versioned(newVersion))).verifiable();
 
             rulesState.enable(oldRules[0], modified).subscribe();
 
@@ -141,7 +141,7 @@ describe('RulesState', () => {
 
         it('should mark as disabled and update and user info when disabled', () => {
             rulesService.setup(x => x.disableRule(app, oldRules[1].id, version))
-                .returns(() => of(new Versioned(newVersion, {}))).verifiable();
+                .returns(() => of(versioned(newVersion))).verifiable();
 
             rulesState.disable(oldRules[1], modified).subscribe();
 
@@ -153,7 +153,7 @@ describe('RulesState', () => {
 
         it('should remove rule from snapshot when deleted', () => {
             rulesService.setup(x => x.deleteRule(app, oldRules[0].id, version))
-                .returns(() => of(new Versioned(newVersion, {}))).verifiable();
+                .returns(() => of(versioned(newVersion))).verifiable();
 
             rulesState.delete(oldRules[0]).subscribe();
 

src/Squidex/app/shared/state/rules.state.ts

@@ -7,12 +7,13 @@
 
 import { Injectable } from '@angular/core';
 import { Observable } from 'rxjs';
-import { distinctUntilChanged, map, share } from 'rxjs/operators';
+import { distinctUntilChanged, map, tap } from 'rxjs/operators';
 
 import {
     DateTime,
     DialogService,
     ImmutableArray,
+    shareSubscribed,
     State,
     Version
 } from '@app/framework';
@@ -60,113 +61,87 @@ export class RulesState extends State<Snapshot> {
             this.resetState();
         }
 
-        const http$ =
-            this.rulesService.getRules(this.appName).pipe(
-                share());
-
-        http$.subscribe(response => {
+        return this.rulesService.getRules(this.appName).pipe(
+            tap(payload => {
                 if (isReload) {
                     this.dialogs.notifyInfo('Rules reloaded.');
                 }
 
                 this.next(s => {
-                const rules = ImmutableArray.of(response);
+                    const rules = ImmutableArray.of(payload);
 
                     return { ...s, rules, isLoaded: true };
                 });
-        }, error => {
-            this.dialogs.notifyError(error);
-        });
-
-        return http$;
+            }),
+            shareSubscribed(this.dialogs));
     }
 
     public create(request: CreateRuleDto, now?: DateTime): Observable<RuleDto> {
-        const http$ =
-            this.rulesService.postRule(this.appName, request, this.user, now || DateTime.now()).pipe(
-                share());
-
-        http$.subscribe(rule => {
+        return this.rulesService.postRule(this.appName, request, this.user, now || DateTime.now()).pipe(
+            tap(rule => {
                 this.next(s => {
                     const rules = s.rules.push(rule);
 
                     return { ...s, rules };
                 });
-        }, error => {
-            this.dialogs.notifyError(error);
-        });
-
-        return http$;
+            }),
+            shareSubscribed(this.dialogs));
     }
 
     public delete(rule: RuleDto): Observable<any> {
-        const http$ =
-            this.rulesService.deleteRule(this.appName, rule.id, rule.version).pipe(
-                share());
-
-        http$.subscribe(() => {
+        return this.rulesService.deleteRule(this.appName, rule.id, rule.version).pipe(
+            tap(() => {
                 this.next(s => {
                     const rules = s.rules.removeAll(x => x.id === rule.id);
 
                     return { ...s, rules };
                 });
-        }, error => {
-            this.dialogs.notifyError(error);
-        });
-
-        return http$;
+            }),
+            shareSubscribed(this.dialogs));
     }
 
     public updateAction(rule: RuleDto, action: any, now?: DateTime): Observable<any> {
-        const http$ =
-            this.rulesService.putRule(this.appName, rule.id, { action }, rule.version).pipe(
-                map(({ version }) => updateAction(rule, action, this.user, version, now)), share());
-
-        this.replaceRule(http$);
-
-        return http$;
+        return this.rulesService.putRule(this.appName, rule.id, { action }, rule.version).pipe(
+            map(({ version }) => updateAction(rule, action, this.user, version, now)),
+            tap(updated => {
+                this.replaceRule(updated);
+            }),
+            shareSubscribed(this.dialogs));
     }
 
     public updateTrigger(rule: RuleDto, trigger: any, now?: DateTime): Observable<any> {
-        const http$ =
-            this.rulesService.putRule(this.appName, rule.id, { trigger }, rule.version).pipe(
-                map(({ version }) => updateTrigger(rule, trigger, this.user, version, now)), share());
-
-        this.replaceRule(http$);
-
-        return http$;
+        return this.rulesService.putRule(this.appName, rule.id, { trigger }, rule.version).pipe(
+            map(({ version }) => updateTrigger(rule, trigger, this.user, version, now)),
+            tap(updated => {
+                this.replaceRule(updated);
+            }),
+            shareSubscribed(this.dialogs));
     }
 
     public enable(rule: RuleDto, now?: DateTime): Observable<any> {
-        const http$ =
-            this.rulesService.enableRule(this.appName, rule.id, rule.version).pipe(
-                map(({ version }) => setEnabled(rule, true, this.user, version, now)), share());
-
-        this.replaceRule(http$);
-
-        return http$;
+        return this.rulesService.enableRule(this.appName, rule.id, rule.version).pipe(
+            map(({ version }) => setEnabled(rule, true, this.user, version, now)),
+            tap(updated => {
+                this.replaceRule(updated);
+            }),
+            shareSubscribed(this.dialogs));
     }
 
     public disable(rule: RuleDto, now?: DateTime): Observable<any> {
-        const http$ =
-            this.rulesService.disableRule(this.appName, rule.id, rule.version).pipe(
-                map(({ version }) => setEnabled(rule, false, this.user, version, now)), share());
-
-        this.replaceRule(http$);
-
-        return http$;
+        return this.rulesService.disableRule(this.appName, rule.id, rule.version).pipe(
+            map(({ version }) => setEnabled(rule, false, this.user, version, now)),
+            tap(updated => {
+                this.replaceRule(updated);
+            }),
+            shareSubscribed(this.dialogs));
     }
 
-    private replaceRule(http$: Observable<RuleDto>) {
-        http$.subscribe(rule => {
+    private replaceRule(rule: RuleDto) {
         this.next(s => {
             const rules = s.rules.replaceBy('id', rule);
 
             return { ...s, rules };
         });
-        }, error => {
-            this.dialogs.notifyError(error);
-        });
     }
 
     private get appName() {

src/Squidex/app/shared/state/schemas.state.spec.ts

@@ -21,7 +21,7 @@ import {
     SchemaDto,
     SchemasService,
     UpdateSchemaCategoryDto,
-    Versioned
+    versioned
 } from './../';
 
 import { TestValues } from './_test-helpers';
@@ -65,21 +65,20 @@ describe('SchemasState', () => {
         dialogs = Mock.ofType<DialogService>();
 
         schemasService = Mock.ofType<SchemasService>();
+        schemasState = new SchemasState(appsState.object, authService.object, dialogs.object, schemasService.object);
+    });
 
-        schemasService.setup(x => x.getSchemas(app))
-            .returns(() => of(oldSchemas));
-
-        schemasService.setup(x => x.getSchema(app, schema.name))
-            .returns(() => of(schema));
+    afterEach(() => {
+        schemasService.verifyAll();
+    });
 
-        schemasService.setup(x => x.getSchema(app, schema.name))
-            .returns(() => of(schema));
+    describe('Loading', () => {
+        it('should load schemas', () => {
+            schemasService.setup(x => x.getSchemas(app))
+                .returns(() => of(oldSchemas)).verifiable();
 
-        schemasState = new SchemasState(appsState.object, authService.object, dialogs.object, schemasService.object);
             schemasState.load().subscribe();
-    });
 
-    it('should load schemas', () => {
             expect(schemasState.snapshot.schemas.values).toEqual(oldSchemas);
             expect(schemasState.snapshot.isLoaded).toBeTruthy();
             expect(schemasState.snapshot.categories).toEqual({ 'category1': false, 'category2': false });
@@ -88,6 +87,9 @@ describe('SchemasState', () => {
         });
 
         it('should not remove custom category when loading schemas', () => {
+            schemasService.setup(x => x.getSchemas(app))
+                .returns(() => of(oldSchemas)).verifiable();
+
             schemasState.addCategory('category3');
             schemasState.load(true).subscribe();
 
@@ -99,12 +101,24 @@ describe('SchemasState', () => {
         });
 
         it('should show notification on load when reload is true', () => {
+            schemasService.setup(x => x.getSchemas(app))
+                .returns(() => of(oldSchemas)).verifiable();
+
             schemasState.load(true).subscribe();
 
             expect().nothing();
 
             dialogs.verify(x => x.notifyInfo(It.isAnyString()), Times.once());
         });
+    });
+
+    describe('Updates', () => {
+        beforeEach(() => {
+            schemasService.setup(x => x.getSchemas(app))
+                .returns(() => of(oldSchemas)).verifiable();
+
+            schemasState.load().subscribe();
+        });
 
         it('should add category', () => {
             schemasState.addCategory('category3');
@@ -119,15 +133,19 @@ describe('SchemasState', () => {
         });
 
         it('should return schema on select and reload when already loaded', () => {
+            schemasService.setup(x => x.getSchema(app, schema.name))
+                .returns(() => of(schema)).verifiable(Times.exactly(2));
+
             schemasState.select('name2').subscribe();
             schemasState.select('name2').subscribe();
 
-        schemasService.verify(x => x.getSchema(app, 'name2'), Times.exactly(2));
-
             expect().nothing();
         });
 
         it('should return schema on select and load when not loaded', () => {
+            schemasService.setup(x => x.getSchema(app, schema.name))
+                .returns(() => of(schema)).verifiable();
+
             let selectedSchema: SchemaDetailsDto;
 
             schemasState.select('name2').subscribe(x => {
@@ -141,7 +159,7 @@ describe('SchemasState', () => {
 
         it('should return null on select  when loading failed', () => {
             schemasService.setup(x => x.getSchema(app, 'failed'))
-            .returns(() => throwError({}));
+                .returns(() => throwError({})).verifiable();
 
             let selectedSchema: SchemaDetailsDto;
 
@@ -162,13 +180,11 @@ describe('SchemasState', () => {
 
             expect(selectedSchema!).toBeNull();
             expect(schemasState.snapshot.selectedSchema).toBeNull();
-
-        schemasService.verify(x => x.getSchema(app, It.isAnyString()), Times.never());
         });
 
         it('should mark published and update user info when published', () => {
             schemasService.setup(x => x.publishSchema(app, oldSchemas[0].name, version))
-            .returns(() => of(new Versioned(newVersion, {})));
+                .returns(() => of(versioned(newVersion))).verifiable();
 
             schemasState.publish(oldSchemas[0], modified).subscribe();
 
@@ -180,7 +196,7 @@ describe('SchemasState', () => {
 
         it('should unmark published and update user info when unpublished', () => {
             schemasService.setup(x => x.unpublishSchema(app, oldSchemas[1].name, version))
-            .returns(() => of(new Versioned(newVersion, {})));
+                .returns(() => of(versioned(newVersion))).verifiable();
 
             schemasState.unpublish(oldSchemas[1], modified).subscribe();
 
@@ -194,7 +210,7 @@ describe('SchemasState', () => {
             const category = 'my-new-category';
 
             schemasService.setup(x => x.putCategory(app, oldSchemas[0].name, It.is<UpdateSchemaCategoryDto>(i => i.name === category), version))
-            .returns(() => of(new Versioned(newVersion, {})));
+                .returns(() => of(versioned(newVersion))).verifiable();
 
             schemasState.changeCategory(oldSchemas[0], category, modified).subscribe();
 
@@ -206,12 +222,15 @@ describe('SchemasState', () => {
 
         describe('with selection', () => {
             beforeEach(() => {
+                schemasService.setup(x => x.getSchema(app, schema.name))
+                    .returns(() => of(schema)).verifiable();
+
                 schemasState.select(schema.name).subscribe();
             });
 
             it('should nmark published and update user info when published selected schema', () => {
                 schemasService.setup(x => x.publishSchema(app, schema.name, version))
-                .returns(() => of(new Versioned(newVersion, {})));
+                    .returns(() => of(versioned(newVersion))).verifiable();
 
                 schemasState.publish(schema, modified).subscribe();
 
@@ -225,7 +244,7 @@ describe('SchemasState', () => {
                 const category = 'my-new-category';
 
                 schemasService.setup(x => x.putCategory(app, oldSchemas[0].name, It.is<UpdateSchemaCategoryDto>(i => i.name === category), version))
-                .returns(() => of(new Versioned(newVersion, {})));
+                    .returns(() => of(versioned(newVersion))).verifiable();
 
                 schemasState.changeCategory(oldSchemas[0], category, modified).subscribe();
 
@@ -239,7 +258,7 @@ describe('SchemasState', () => {
                 const request = { label: 'name2_label', hints: 'name2_hints' };
 
                 schemasService.setup(x => x.putSchema(app, schema.name, It.isAny(), version))
-                .returns(() => of(new Versioned(newVersion, {})));
+                    .returns(() => of(versioned(newVersion))).verifiable();
 
                 schemasState.update(schema, request, modified).subscribe();
 
@@ -254,7 +273,7 @@ describe('SchemasState', () => {
                 const request = { query: '<query-script>' };
 
                 schemasService.setup(x => x.putScripts(app, schema.name, It.isAny(), version))
-                .returns(() => of(new Versioned(newVersion, {})));
+                    .returns(() => of(versioned(newVersion))).verifiable();
 
                 schemasState.configureScripts(schema, request, modified).subscribe();
 
@@ -268,7 +287,7 @@ describe('SchemasState', () => {
                 const request = { web: 'url' };
 
                 schemasService.setup(x => x.putPreviewUrls(app, schema.name, It.isAny(), version))
-                .returns(() => of(new Versioned(newVersion, {})));
+                    .returns(() => of(versioned(newVersion))).verifiable();
 
                 schemasState.configurePreviewUrls(schema, request, modified).subscribe();
 
@@ -284,7 +303,7 @@ describe('SchemasState', () => {
                 const result = new SchemaDetailsDto('id4', 'newName', '', {}, false, false, modified, modifier, modified, modifier, version);
 
                 schemasService.setup(x => x.postSchema(app, request, modifier, modified))
-                .returns(() => of(result));
+                    .returns(() => of(result)).verifiable();
 
                 schemasState.create(request, modified).subscribe();
 
@@ -294,7 +313,7 @@ describe('SchemasState', () => {
 
             it('should remove schema from snapshot when deleted', () => {
                 schemasService.setup(x => x.deleteSchema(app, schema.name, version))
-                .returns(() => of(new Versioned(newVersion, {})));
+                    .returns(() => of(versioned(newVersion))).verifiable();
 
                 schemasState.delete(schema).subscribe();
 
@@ -308,7 +327,7 @@ describe('SchemasState', () => {
                 const newField = new RootFieldDto(3, '3', createProperties('String'), 'invariant');
 
                 schemasService.setup(x => x.postField(app, schema.name, It.isAny(), undefined, version))
-                .returns(() => of(new Versioned(newVersion, newField)));
+                    .returns(() => of(versioned(newVersion, newField))).verifiable();
 
                 schemasState.addField(schema, request, undefined, modified).subscribe();
 
@@ -324,7 +343,7 @@ describe('SchemasState', () => {
                 const newField = new NestedFieldDto(3, '3', createProperties('String'), 2);
 
                 schemasService.setup(x => x.postField(app, schema.name, It.isAny(), 2, version))
-                .returns(() => of(new Versioned(newVersion, newField)));
+                    .returns(() => of(versioned(newVersion, newField))).verifiable();
 
                 schemasState.addField(schema, request, field2, modified).subscribe();
 
@@ -336,7 +355,7 @@ describe('SchemasState', () => {
 
             it('should remove field and update user info when field removed', () => {
                 schemasService.setup(x => x.deleteField(app, schema.name, field1.fieldId, undefined, version))
-                .returns(() => of(new Versioned(newVersion, {})));
+                    .returns(() => of(versioned(newVersion))).verifiable();
 
                 schemasState.deleteField(schema, field1, modified).subscribe();
 
@@ -348,7 +367,7 @@ describe('SchemasState', () => {
 
             it('should remove field and update user info when nested field removed', () => {
                 schemasService.setup(x => x.deleteField(app, schema.name, nested1.fieldId, 2, version))
-                .returns(() => of(new Versioned(newVersion, {})));
+                    .returns(() => of(versioned(newVersion))).verifiable();
 
                 schemasState.deleteField(schema, nested1, modified).subscribe();
 
@@ -360,7 +379,7 @@ describe('SchemasState', () => {
 
             it('should sort fields and update user info when fields sorted', () => {
                 schemasService.setup(x => x.putFieldOrdering(app, schema.name, [field2.fieldId, field1.fieldId], undefined, version))
-                .returns(() => of(new Versioned(newVersion, {})));
+                    .returns(() => of(versioned(newVersion))).verifiable();
 
                 schemasState.sortFields(schema, [field2, field1], undefined, modified).subscribe();
 
@@ -372,7 +391,7 @@ describe('SchemasState', () => {
 
             it('should sort fields and update user info when nested fields sorted', () => {
                 schemasService.setup(x => x.putFieldOrdering(app, schema.name, [nested2.fieldId, nested1.fieldId], 2, version))
-                .returns(() => of(new Versioned(newVersion, {})));
+                    .returns(() => of(versioned(newVersion))).verifiable();
 
                 schemasState.sortFields(schema, [nested2, nested1], field2, modified).subscribe();
 
@@ -386,7 +405,7 @@ describe('SchemasState', () => {
                 const request = { properties: createProperties('String') };
 
                 schemasService.setup(x => x.putField(app, schema.name, field1.fieldId, request, undefined, version))
-                .returns(() => of(new Versioned(newVersion, {})));
+                    .returns(() => of(versioned(newVersion))).verifiable();
 
                 schemasState.updateField(schema, field1, request, modified).subscribe();
 
@@ -400,7 +419,7 @@ describe('SchemasState', () => {
                 const request = { properties: createProperties('String') };
 
                 schemasService.setup(x => x.putField(app, schema.name, nested1.fieldId, request, 2, version))
-                .returns(() => of(new Versioned(newVersion, {})));
+                    .returns(() => of(versioned(newVersion))).verifiable();
 
                 schemasState.updateField(schema, nested1, request, modified).subscribe();
 
@@ -412,7 +431,7 @@ describe('SchemasState', () => {
 
             it('should mark field hidden and update user info when field hidden', () => {
                 schemasService.setup(x => x.hideField(app, schema.name, field1.fieldId, undefined, version))
-                .returns(() => of(new Versioned(newVersion, {})));
+                    .returns(() => of(versioned(newVersion))).verifiable();
 
                 schemasState.hideField(schema, field1, modified).subscribe();
 
@@ -424,7 +443,7 @@ describe('SchemasState', () => {
 
             it('should mark field hidden and update user info when nested field hidden', () => {
                 schemasService.setup(x => x.hideField(app, schema.name, nested1.fieldId, 2, version))
-                .returns(() => of(new Versioned(newVersion, {})));
+                    .returns(() => of(versioned(newVersion))).verifiable();
 
                 schemasState.hideField(schema, nested1, modified).subscribe();
 
@@ -436,7 +455,7 @@ describe('SchemasState', () => {
 
             it('should mark field disabled and update user info when field disabled', () => {
                 schemasService.setup(x => x.disableField(app, schema.name, field1.fieldId, undefined, version))
-                .returns(() => of(new Versioned(newVersion, {})));
+                    .returns(() => of(versioned(newVersion)));
 
                 schemasState.disableField(schema, field1, modified).subscribe();
 
@@ -448,7 +467,7 @@ describe('SchemasState', () => {
 
             it('should mark field disabled and update user info when nested disabled', () => {
                 schemasService.setup(x => x.disableField(app, schema.name, nested1.fieldId, 2, version))
-                .returns(() => of(new Versioned(newVersion, {})));
+                    .returns(() => of(versioned(newVersion))).verifiable();
 
                 schemasState.disableField(schema, nested1, modified).subscribe();
 
@@ -460,7 +479,7 @@ describe('SchemasState', () => {
 
             it('should mark field locked and update user info when field locked', () => {
                 schemasService.setup(x => x.lockField(app, schema.name, field1.fieldId, undefined, version))
-                .returns(() => of(new Versioned(newVersion, {})));
+                    .returns(() => of(versioned(newVersion))).verifiable();
 
                 schemasState.lockField(schema, field1, modified).subscribe();
 
@@ -472,7 +491,7 @@ describe('SchemasState', () => {
 
             it('should mark field locked and update user info when nested field locked', () => {
                 schemasService.setup(x => x.lockField(app, schema.name, nested1.fieldId, 2, version))
-                .returns(() => of(new Versioned(newVersion, {})));
+                    .returns(() => of(versioned(newVersion))).verifiable();
 
                 schemasState.lockField(schema, nested1, modified).subscribe();
 
@@ -484,7 +503,7 @@ describe('SchemasState', () => {
 
             it('should unmark field hidden and update user info when field shown', () => {
                 schemasService.setup(x => x.showField(app, schema.name, field2.fieldId, undefined, version))
-                .returns(() => of(new Versioned(newVersion, {})));
+                    .returns(() => of(versioned(newVersion))).verifiable();
 
                 schemasState.showField(schema, field2, modified).subscribe();
 
@@ -496,7 +515,7 @@ describe('SchemasState', () => {
 
             it('should unmark field hidden and update user info when nested field shown', () => {
                 schemasService.setup(x => x.showField(app, schema.name, nested2.fieldId, 2, version))
-                .returns(() => of(new Versioned(newVersion, {})));
+                    .returns(() => of(versioned(newVersion))).verifiable();
 
                 schemasState.showField(schema, nested2, modified).subscribe();
 
@@ -508,7 +527,7 @@ describe('SchemasState', () => {
 
             it('should unmark field disabled and update user info when field enabled', () => {
                 schemasService.setup(x => x.enableField(app, schema.name, field2.fieldId, undefined, version))
-                .returns(() => of(new Versioned(newVersion, {})));
+                    .returns(() => of(versioned(newVersion))).verifiable();
 
                 schemasState.enableField(schema, field2, modified).subscribe();
 
@@ -520,7 +539,7 @@ describe('SchemasState', () => {
 
             it('should unmark field disabled and update user info when nested field enabled', () => {
                 schemasService.setup(x => x.enableField(app, schema.name, nested2.fieldId, 2, version))
-                .returns(() => of(new Versioned(newVersion, {})));
+                    .returns(() => of(versioned(newVersion))).verifiable();
 
                 schemasState.enableField(schema, nested2, modified).subscribe();
 
@@ -537,3 +556,4 @@ describe('SchemasState', () => {
             expect(schema_1.version).toEqual(newVersion);
         }
     });
+});

src/Squidex/app/shared/state/schemas.state.ts

@@ -13,7 +13,8 @@ import {
     DateTime,
     DialogService,
     ImmutableArray,
-    notify,
+    mapVersioned,
+    shareSubscribed,
     State,
     Types,
     Version
@@ -45,7 +46,7 @@ interface Snapshot {
     categories: { [name: string]: boolean };
 
     // The current schemas.
-    schemas: ImmutableArray<SchemaDto>;
+    schemas: SchemasList;
 
     // Indicates if the schemas are loaded.
     isLoaded?: boolean;
@@ -54,6 +55,8 @@ interface Snapshot {
     selectedSchema?: SchemaDetailsDto | null;
 }
 
+export type SchemasList = ImmutableArray<SchemaDto>;
+
 function sameSchema(lhs: SchemaDetailsDto | null, rhs?: SchemaDetailsDto | null): boolean {
     return lhs === rhs || (!!lhs && !!rhs && lhs.id === rhs.id && lhs.version === rhs.version);
 }
@@ -116,44 +119,45 @@ export class SchemasState extends State<Snapshot> {
         }
 
         return this.schemasService.getSchemas(this.appName).pipe(
-            tap(dtos => {
+            tap(payload => {
                 if (isReload) {
                     this.dialogs.notifyInfo('Schemas reloaded.');
                 }
 
                 return this.next(s => {
-                    const schemas = ImmutableArray.of(dtos).sortByStringAsc(x => x.displayName);
+                    const schemas = ImmutableArray.of(payload).sortByStringAsc(x => x.displayName);
 
                     const categories = buildCategories(s.categories, schemas);
 
                     return { ...s, schemas, isLoaded: true, categories };
                 });
             }),
-            notify(this.dialogs));
+            shareSubscribed(this.dialogs));
     }
 
-    public create(request: CreateSchemaDto, now?: DateTime) {
+    public create(request: CreateSchemaDto, now?: DateTime): Observable<SchemaDetailsDto> {
         return this.schemasService.postSchema(this.appName, request, this.user, now || DateTime.now()).pipe(
             tap(dto => {
-                return this.next(s => {
+                this.next(s => {
                     const schemas = s.schemas.push(dto).sortByStringAsc(x => x.displayName);
 
                     return { ...s, schemas };
                 });
-            }));
+            }),
+            shareSubscribed(this.dialogs, { silent: true }));
     }
 
     public delete(schema: SchemaDto): Observable<any> {
         return this.schemasService.deleteSchema(this.appName, schema.name, schema.version).pipe(
             tap(() => {
-                return this.next(s => {
+                this.next(s => {
                     const schemas = s.schemas.filter(x => x.id !== schema.id);
                     const selectedSchema = s.selectedSchema && s.selectedSchema.id === schema.id ? null : s.selectedSchema;
 
                     return { ...s, schemas, selectedSchema };
                 });
             }),
-            notify(this.dialogs));
+            shareSubscribed(this.dialogs));
     }
 
     public addCategory(name: string) {
@@ -172,138 +176,165 @@ export class SchemasState extends State<Snapshot> {
         });
     }
 
-    public publish(schema: SchemaDto, now?: DateTime): Observable<any> {
+    public publish(schema: SchemaDto, now?: DateTime): Observable<SchemaDto> {
         return this.schemasService.publishSchema(this.appName, schema.name, schema.version).pipe(
-            tap(dto => {
-                this.replaceSchema(setPublished(schema, true, this.user, dto.version, now));
+            map(({ version }) => setPublished(schema, true, this.user, version, now)),
+            tap(newSchema => {
+                this.replaceSchema(newSchema);
             }),
-            notify(this.dialogs));
+            shareSubscribed(this.dialogs));
     }
 
-    public unpublish(schema: SchemaDto, now?: DateTime): Observable<any> {
+    public unpublish(schema: SchemaDto, now?: DateTime): Observable<SchemaDto> {
         return this.schemasService.unpublishSchema(this.appName, schema.name, schema.version).pipe(
-            tap(dto => {
-                this.replaceSchema(setPublished(schema, false, this.user, dto.version, now));
+            map(({ version }) => setPublished(schema, false, this.user, version, now)),
+            tap(newSchema => {
+                this.replaceSchema(newSchema);
             }),
-            notify(this.dialogs));
+            shareSubscribed(this.dialogs));
     }
 
-    public changeCategory(schema: SchemaDto, name: string, now?: DateTime): Observable<any> {
+    public changeCategory(schema: SchemaDto, name: string, now?: DateTime): Observable<SchemaDto> {
         return this.schemasService.putCategory(this.appName, schema.name, { name }, schema.version).pipe(
-            tap(dto => {
-                this.replaceSchema(changeCategory(schema, name, this.user, dto.version, now));
+            map(({ version }) => changeCategory(schema, name, this.user, version, now)),
+            tap(newSchema => {
+                this.replaceSchema(newSchema);
             }),
-            notify(this.dialogs));
+            shareSubscribed(this.dialogs));
     }
 
-    public configurePreviewUrls(schema: SchemaDetailsDto, request: {}, now?: DateTime): Observable<any> {
+    public configurePreviewUrls(schema: SchemaDetailsDto, request: {}, now?: DateTime): Observable<SchemaDetailsDto> {
         return this.schemasService.putPreviewUrls(this.appName, schema.name, request, schema.version).pipe(
-            tap(dto => {
-                this.replaceSchema(configurePreviewUrls(schema, request, this.user, dto.version, now));
+            map(({ version }) => configurePreviewUrls(schema, request, this.user, version, now)),
+            tap(newSchema => {
+                this.replaceSchema(newSchema);
             }),
-            notify(this.dialogs));
+            shareSubscribed(this.dialogs));
     }
 
-    public configureScripts(schema: SchemaDetailsDto, request: {}, now?: DateTime): Observable<any> {
+    public configureScripts(schema: SchemaDetailsDto, request: {}, now?: DateTime): Observable<SchemaDetailsDto> {
         return this.schemasService.putScripts(this.appName, schema.name, request, schema.version).pipe(
-            tap(dto => {
-                this.replaceSchema(configureScripts(schema, request, this.user, dto.version, now));
+            map(({ version }) => configureScripts(schema, request, this.user, version, now)),
+            tap(newSchema => {
+                this.replaceSchema(newSchema);
             }),
-            notify(this.dialogs));
+            shareSubscribed(this.dialogs));
     }
 
-    public update(schema: SchemaDetailsDto, request: UpdateSchemaDto, now?: DateTime): Observable<any> {
+    public update(schema: SchemaDetailsDto, request: UpdateSchemaDto, now?: DateTime): Observable<SchemaDetailsDto> {
         return this.schemasService.putSchema(this.appName, schema.name, request, schema.version).pipe(
-            tap(dto => {
-                this.replaceSchema(updateProperties(schema, request, this.user, dto.version, now));
+            map(({ version }) => updateProperties(schema, request, this.user, version, now)),
+            tap(newSchema => {
+                this.replaceSchema(newSchema);
             }),
-            notify(this.dialogs));
+            shareSubscribed(this.dialogs));
     }
 
     public addField(schema: SchemaDetailsDto, request: AddFieldDto, parent?: RootFieldDto, now?: DateTime): Observable<FieldDto> {
         return this.schemasService.postField(this.appName, schema.name, request, pid(parent), schema.version).pipe(
-            tap(dto => {
-                if (Types.is(dto.payload, NestedFieldDto)) {
-                    this.replaceSchema(updateField(schema, addNested(parent!, dto.payload), this.user, dto.version, now));
+            map(({ version, payload }) => {
+                let newSchema: SchemaDto;
+
+                if (Types.is(payload, NestedFieldDto)) {
+                    newSchema = updateField(schema, addNested(parent!, payload), this.user, version, now);
                 } else {
-                    this.replaceSchema(addField(schema, dto.payload, this.user, dto.version, now));
+                    newSchema = addField(schema, payload, this.user, version, now);
                 }
+
+                return {  newSchema, field: payload };
+            }),
+            tap(({ newSchema }) => {
+                this.replaceSchema(newSchema);
             }),
-            map(d => d.payload));
+            shareSubscribed(this.dialogs, { silent: true, project: x => x.field }));
     }
 
-    public sortFields(schema: SchemaDetailsDto, fields: any[], parent?: RootFieldDto, now?: DateTime): Observable<any> {
+    public sortFields(schema: SchemaDetailsDto, fields: any[], parent?: RootFieldDto, now?: DateTime): Observable<SchemaDetailsDto> {
         return this.schemasService.putFieldOrdering(this.appName, schema.name, fields.map(t => t.fieldId), pid(parent), schema.version).pipe(
-            tap(dto => {
+            map(({ version }) => {
+                let newSchema: SchemaDto;
+
                 if (!parent) {
-                    this.replaceSchema(replaceFields(schema, fields, this.user, dto.version, now));
+                    newSchema = replaceFields(schema, fields, this.user, version, now);
                 } else {
-                    this.replaceSchema(updateField(schema, replaceNested(parent, fields), this.user, dto.version, now));
+                    newSchema = updateField(schema, replaceNested(parent, fields), this.user, version, now);
                 }
+
+                return newSchema;
+            }),
+            tap(newSchema => {
+                this.replaceSchema(newSchema);
             }),
-            notify(this.dialogs));
+            shareSubscribed(this.dialogs));
     }
 
-    public lockField(schema: SchemaDetailsDto, field: AnyFieldDto, now?: DateTime): Observable<any> {
+    public lockField<T extends FieldDto>(schema: SchemaDetailsDto, field: T, now?: DateTime): Observable<T> {
         return this.schemasService.lockField(this.appName, schema.name, field.fieldId, pidof(field), schema.version).pipe(
-            tap(dto => {
-                this.replaceField(schema, setLocked(field, true), dto.version, now);
+            mapVersioned(() => setLocked(field, true)),
+            tap(({ payload, version }) => {
+                this.replaceField(schema, payload, version, now);
             }),
-            notify(this.dialogs));
+            shareSubscribed(this.dialogs, { project: x => x.payload }));
     }
 
-    public enableField(schema: SchemaDetailsDto, field: AnyFieldDto, now?: DateTime): Observable<any> {
+    public enableField<T extends FieldDto>(schema: SchemaDetailsDto, field: T, now?: DateTime): Observable<T> {
         return this.schemasService.enableField(this.appName, schema.name, field.fieldId, pidof(field), schema.version).pipe(
-            tap(dto => {
-                this.replaceField(schema, setDisabled(field, false), dto.version, now);
+            mapVersioned(() => setDisabled(field, false)),
+            tap(({ payload, version }) => {
+                this.replaceField(schema, payload, version, now);
             }),
-            notify(this.dialogs));
+            shareSubscribed(this.dialogs, { project: x => x.payload }));
     }
 
-    public disableField(schema: SchemaDetailsDto, field: AnyFieldDto, now?: DateTime): Observable<any> {
+    public disableField<T extends FieldDto>(schema: SchemaDetailsDto, field: T, now?: DateTime): Observable<T> {
         return this.schemasService.disableField(this.appName, schema.name, field.fieldId, pidof(field), schema.version).pipe(
-            tap(dto => {
-                this.replaceField(schema, setDisabled(field, true), dto.version, now);
+            mapVersioned(() => setDisabled(field, true)),
+            tap(({ payload, version }) => {
+                this.replaceField(schema, payload, version, now);
             }),
-            notify(this.dialogs));
+            shareSubscribed(this.dialogs, { project: x => x.payload }));
     }
 
-    public showField(schema: SchemaDetailsDto, field: AnyFieldDto, now?: DateTime): Observable<any> {
+    public showField<T extends FieldDto>(schema: SchemaDetailsDto, field: T, now?: DateTime): Observable<T> {
         return this.schemasService.showField(this.appName, schema.name, field.fieldId, pidof(field), schema.version).pipe(
-            tap(dto => {
-                this.replaceField(schema, setHidden(field, false), dto.version, now);
+            mapVersioned(() => setHidden(field, false)),
+            tap(({ payload, version }) => {
+                this.replaceField(schema, payload, version, now);
             }),
-            notify(this.dialogs));
+            shareSubscribed(this.dialogs, { project: x => x.payload }));
     }
 
-    public hideField(schema: SchemaDetailsDto, field: AnyFieldDto, now?: DateTime): Observable<any> {
+    public hideField<T extends FieldDto>(schema: SchemaDetailsDto, field: T, now?: DateTime): Observable<T> {
         return this.schemasService.hideField(this.appName, schema.name, field.fieldId, pidof(field), schema.version).pipe(
-            tap(dto => {
-                this.replaceField(schema, setHidden(field, true), dto.version, now);
+            mapVersioned(() => setHidden(field, true)),
+            tap(({ payload, version }) => {
+                this.replaceField(schema, payload, version, now);
             }),
-            notify(this.dialogs));
+            shareSubscribed(this.dialogs, { project: x => x.payload }));
     }
 
-    public updateField(schema: SchemaDetailsDto, field: AnyFieldDto, request: UpdateFieldDto, now?: DateTime): Observable<any> {
+    public updateField<T extends FieldDto>(schema: SchemaDetailsDto, field: T, request: UpdateFieldDto, now?: DateTime): Observable<T> {
         return this.schemasService.putField(this.appName, schema.name, field.fieldId, request, pidof(field), schema.version).pipe(
-            tap(dto => {
-                this.replaceField(schema, update(field, request.properties), dto.version, now);
+            mapVersioned(() => update(field, request.properties)),
+            tap(({ payload, version }) => {
+                this.replaceField(schema, payload, version, now);
             }),
-            notify(this.dialogs));
+            shareSubscribed(this.dialogs, { project: x => x.payload }));
     }
 
     public deleteField(schema: SchemaDetailsDto, field: AnyFieldDto, now?: DateTime): Observable<any> {
         return this.schemasService.deleteField(this.appName, schema.name, field.fieldId, pidof(field), schema.version).pipe(
-            tap(dto => {
-                this.removeField(schema, field, dto.version, now);
+            mapVersioned(() => field),
+            tap(({ payload, version }) => {
+                this.removeField(schema, payload, version, now);
             }),
-            notify(this.dialogs));
+            shareSubscribed(this.dialogs));
     }
 
-    private replaceField(schema: SchemaDetailsDto, field: AnyFieldDto, version: Version, now?: DateTime) {
+    private replaceField<T extends FieldDto>(schema: SchemaDetailsDto, field: T, version: Version, now?: DateTime) {
         if (Types.is(field, RootFieldDto)) {
             this.replaceSchema(updateField(schema, field, this.user, version, now));
-        } else {
+        } else if (Types.is(field, NestedFieldDto)) {
             const parent = schema.fields.find(x => x.fieldId === field.parentId);
 
             if (parent) {
@@ -344,7 +375,7 @@ export class SchemasState extends State<Snapshot> {
     }
 }
 
-function buildCategories(categories: { [name: string]: boolean }, schemas: ImmutableArray<SchemaDto>) {
+function buildCategories(categories: { [name: string]: boolean }, schemas: SchemasList) {
     categories = { ...categories };
 
     for (let category in categories) {

src/Squidex/package.json

@@ -15,91 +15,92 @@
     "build:clean": "rimraf wwwroot/build"
   },
   "dependencies": {
-    "@angular/animations": "7.2.3",
-    "@angular/common": "7.2.3",
-    "@angular/core": "7.2.3",
-    "@angular/forms": "7.2.3",
-    "@angular/http": "7.2.3",
-    "@angular/platform-browser": "7.2.3",
-    "@angular/platform-browser-dynamic": "7.2.3",
-    "@angular/platform-server": "7.2.3",
-    "@angular/router": "7.2.3",
+    "@angular/animations": "7.2.14",
+    "@angular/common": "7.2.14",
+    "@angular/core": "7.2.14",
+    "@angular/forms": "7.2.14",
+    "@angular/http": "7.2.14",
+    "@angular/platform-browser": "7.2.14",
+    "@angular/platform-browser-dynamic": "7.2.14",
+    "@angular/platform-server": "7.2.14",
+    "@angular/router": "7.2.14",
     "angular2-chartjs": "0.5.1",
     "babel-polyfill": "6.26.0",
-    "bootstrap": "4.2.1",
+    "bootstrap": "4.3.1",
     "core-js": "2.6.3",
-    "graphiql": "0.12.0",
-    "graphql": "14.1.1",
-    "marked": "0.6.0",
+    "graphiql": "0.13.0",
+    "graphql": "14.2.1",
+    "marked": "0.6.2",
     "moment": "2.24.0",
-    "mousetrap": "1.6.2",
+    "mousetrap": "1.6.3",
     "ng2-dnd": "5.0.2",
-    "ngx-color-picker": "7.3.0",
-    "oidc-client": "1.6.1",
+    "ngx-color-picker": "7.5.0",
+    "oidc-client": "1.7.1",
     "pikaday": "1.8.0",
     "progressbar.js": "1.0.1",
-    "react": "16.7.0",
-    "react-dom": "16.7.0",
-    "rxjs": "6.3.3",
+    "react": "16.8.6",
+    "react-dom": "16.8.6",
+    "rxjs": "6.5.1",
     "slugify": "1.3.4",
-    "sortablejs": "1.8.1",
+    "sortablejs": "1.9.0",
     "tslib": "1.9.3",
-    "zone.js": "0.8.29"
+    "zone.js": "0.9.0"
   },
   "devDependencies": {
-    "@angular/compiler": "7.2.3",
-    "@angular/compiler-cli": "7.2.3",
-    "@ngtools/webpack": "7.3.0",
+    "@angular/compiler": "7.2.14",
+    "@angular/compiler-cli": "7.2.14",
+    "@ngtools/webpack": "7.3.8",
     "@types/core-js": "2.5.0",
-    "@types/jasmine": "3.3.8",
-    "@types/marked": "0.6.0",
+    "@types/jasmine": "3.3.12",
+    "@types/marked": "0.6.5",
     "@types/mousetrap": "1.6",
-    "@types/node": "10.12.21",
-    "@types/react": "16.8.1",
-    "@types/react-dom": "16.0.11",
+    "@types/node": "11.13.8",
+    "@types/react": "16.8.14",
+    "@types/react-dom": "16.8.4",
     "@types/sortablejs": "1.7.2",
     "angular-router-loader": "0.8.5",
     "angular2-template-loader": "0.6.2",
     "awesome-typescript-loader": "5.2.1",
     "babel-core": "6.26.3",
-    "codelyzer": "4.5.0",
+    "codelyzer": "5.0.1",
     "cpx": "1.5.0",
-    "css-loader": "2.1.0",
+    "css-loader": "2.1.1",
     "file-loader": "3.0.1",
     "html-loader": "0.5.5",
     "html-webpack-plugin": "3.2.0",
     "ignore-loader": "0.1.2",
     "istanbul-instrumenter-loader": "3.0.1",
-    "jasmine-core": "3.3.0",
-    "karma": "4.0.0",
+    "jasmine-core": "3.4.0",
+    "karma": "4.1.0",
     "karma-chrome-launcher": "2.2.0",
     "karma-cli": "2.0.0",
-    "karma-coverage-istanbul-reporter": "2.0.4",
+    "karma-coverage-istanbul-reporter": "2.0.5",
     "karma-htmlfile-reporter": "0.3.8",
     "karma-jasmine": "2.0.1",
-    "karma-jasmine-html-reporter": "1.4.0",
+    "karma-jasmine-html-reporter": "1.4.2",
     "karma-mocha-reporter": "2.2.5",
     "karma-sourcemap-loader": "0.3.7",
     "karma-webpack": "3.0.5",
-    "mini-css-extract-plugin": "0.5.0",
-    "node-sass": "4.11.0",
+    "mini-css-extract-plugin": "0.6.0",
+    "node-sass": "4.12.0",
     "optimize-css-assets-webpack-plugin": "5.0.1",
-    "raw-loader": "1.0.0",
+    "raw-loader": "2.0.0",
     "rimraf": "2.6.3",
-    "rxjs-tslint": "0.1.6",
-    "sass-lint": "1.12.1",
+    "rxjs-tslint": "0.1.7",
+    "sass-lint": "1.13.1",
     "sass-loader": "7.1.0",
     "style-loader": "0.23.1",
+    "ts-loader": "^5.4.4",
     "tsconfig-paths-webpack-plugin": "3.2.0",
-    "tslint": "5.12.1",
-    "tslint-webpack-plugin": "2.0.2",
+    "tslint": "5.16.0",
+    "tslint-webpack-plugin": "2.0.4",
     "typemoq": "2.1.0",
     "typescript": "3.2.4",
-    "uglifyjs-webpack-plugin": "2.1.1",
+    "uglifyjs-webpack-plugin": "2.1.2",
     "underscore": "1.9.1",
-    "webpack": "4.29.0",
-    "webpack-cli": "3.2.1",
-    "webpack-dev-server": "3.1.14",
+    "webpack": "4.30.0",
+    "webpack-cli": "3.3.1",
+    "webpack-dev-server": "3.3.1",
     "webpack-merge": "4.2.1"
   }
 }

src/Squidex/tsconfig.json

@@ -21,8 +21,12 @@
       ]
     }
   },
+  "awesomeTypescriptLoaderOptions": {
+    "useBabel": true,
+    "useCache": true,
+    "emitRequireType": false
+  },
   "angularCompilerOptions": { 
-    "fullTemplateTypeCheck": true,
-    "strictInjectionParameters": true
+    "fullTemplateTypeCheck": true
   }
 }