add support for ui localizations

npm/ng-packs/packages/core/src/lib/core.module.ts

@@ -27,6 +27,7 @@ import { CookieLanguageProvider } from './providers/cookie-language.provider';
 import { LocaleProvider } from './providers/locale.provider';
 import { LocalizationService } from './services/localization.service';
 import { oAuthStorage } from './strategies/auth-flow.strategy';
+import { localizationContributor, LOCALIZATIONS } from './tokens/localization.token';
 import { coreOptionsFactory, CORE_OPTIONS } from './tokens/options.token';
 import { TENANT_KEY } from './tokens/tenant-key.token';
 import { noop } from './utils/common-utils';
@@ -176,6 +177,26 @@ export class CoreModule {
         },
         { provide: OAuthStorage, useFactory: storageFactory },
         { provide: TENANT_KEY, useValue: options.tenantKey || '__tenant' },
+        {
+          provide: LOCALIZATIONS,
+          multi: true,
+          useValue: localizationContributor(options.localizations),
+          deps: [LocalizationService],
+        },
+      ],
+    };
+  }
+
+  static forChild(options = {} as ABP.Child): ModuleWithProviders<RootCoreModule> {
+    return {
+      ngModule: RootCoreModule,
+      providers: [
+        {
+          provide: LOCALIZATIONS,
+          multi: true,
+          useValue: localizationContributor(options.localizations),
+          deps: [LocalizationService],
+        },
       ],
     };
   }

npm/ng-packs/packages/core/src/lib/models/common.ts

@@ -11,6 +11,21 @@ export namespace ABP {
     skipGetAppConfiguration?: boolean;
     sendNullsAsQueryParam?: boolean;
     tenantKey?: string;
+    localizations?: Localization[];
+  }
+
+  export interface Child {
+    localizations?: Localization[];
+  }
+
+  export interface Localization {
+    culture: string;
+    resources: LocalizationResource[];
+  }
+
+  export interface LocalizationResource {
+    resourceName: string;
+    texts: Record<string, string>;
   }
 
   export interface HasPolicy {

npm/ng-packs/packages/core/src/lib/services/localization.service.ts

@@ -1,10 +1,11 @@
 import { registerLocaleData } from '@angular/common';
 import { Injectable, Injector, isDevMode, Optional, SkipSelf } from '@angular/core';
-import { from, Observable, Subject } from 'rxjs';
+import { BehaviorSubject, combineLatest, from, Observable, Subject } from 'rxjs';
 import { filter, map, mapTo, switchMap } from 'rxjs/operators';
 import { ABP } from '../models/common';
 import { LocalizationWithDefault } from '../models/localization';
 import { ApplicationConfigurationDto } from '../proxy/volo/abp/asp-net-core/mvc/application-configurations/models';
+import { localizations$ } from '../tokens/localization.token';
 import { CORE_OPTIONS } from '../tokens/options.token';
 import { createLocalizer, createLocalizerWithFallback } from '../utils/localization-utils';
 import { interpolate } from '../utils/string-utils';
@@ -16,6 +17,12 @@ export class LocalizationService {
   private latestLang = this.sessionState.getLanguage();
   private _languageChange$ = new Subject<string>();
 
+  private localLocalizations$ = new BehaviorSubject(
+    new Map<string, Map<string, Record<string, string>>>(),
+  );
+
+  private localizations$ = new BehaviorSubject(new Map<string, Record<string, string>>());
+
   /**
    * Returns currently selected language
    */
@@ -38,6 +45,62 @@ export class LocalizationService {
     if (otherInstance) throw new Error('LocalizationService should have only one instance.');
 
     this.listenToSetLanguage();
+    this.initLocalizationValues();
+  }
+
+  private initLocalizationValues() {
+    localizations$.subscribe(val => this.addLocalization(val));
+
+    const remoteLocalizations$ = this.configState.getDeep$('localization.values') as Observable<
+      Record<string, Record<string, string>>
+    >;
+    const currentLanguage$ = this.sessionState.getLanguage$();
+
+    const localLocalizations$ = combineLatest([currentLanguage$, this.localLocalizations$]).pipe(
+      map(([currentLang, localizations]) => localizations.get(currentLang)),
+    );
+
+    combineLatest([remoteLocalizations$, localLocalizations$])
+      .pipe(
+        map(([remote, local]) => {
+          if (remote) {
+            Object.entries(remote).forEach(entry => {
+              const resourceName = entry[0];
+              const remoteTexts = entry[1];
+              let resource = local.get(resourceName) || {};
+              resource = { ...resource, ...remoteTexts };
+
+              local.set(resourceName, resource);
+            });
+          }
+
+          return local;
+        }),
+      )
+      .subscribe(val => this.localizations$.next(val));
+  }
+
+  addLocalization(localizations?: ABP.Localization[]) {
+    if (!localizations) return;
+
+    const localizationMap = this.localLocalizations$.value;
+
+    localizations.forEach(loc => {
+      const cultureMap =
+        localizationMap.get(loc.culture) || new Map<string, Record<string, string>>();
+
+      loc.resources.forEach(res => {
+        let resource: Record<string, string> = cultureMap.get(res.resourceName) || {};
+
+        resource = { ...resource, ...res.texts };
+
+        cultureMap.set(res.resourceName, resource);
+      });
+
+      localizationMap.set(loc.culture, cultureMap);
+    });
+
+    this.localLocalizations$.next(localizationMap);
   }
 
   private listenToSetLanguage() {
@@ -70,15 +133,15 @@ export class LocalizationService {
   get(key: string | LocalizationWithDefault, ...interpolateParams: string[]): Observable<string> {
     return this.configState
       .getAll$()
-      .pipe(map(state => getLocalization(state, key, ...interpolateParams)));
+      .pipe(map(state => this.getLocalization(state, key, ...interpolateParams)));
   }
 
   getResource(resourceName: string) {
-    return this.configState.getDeep(`localization.values.${resourceName}`);
+    return this.localizations$.value.get(resourceName);
   }
 
   getResource$(resourceName: string) {
-    return this.configState.getDeep$(`localization.values.${resourceName}`);
+    return this.localizations$.pipe(map(res => res.get(resourceName)));
   }
 
   /**
@@ -87,7 +150,7 @@ export class LocalizationService {
    * @param interpolateParams Values to intepolate.
    */
   instant(key: string | LocalizationWithDefault, ...interpolateParams: string[]): string {
-    return getLocalization(this.configState.getAll(), key, ...interpolateParams);
+    return this.getLocalization(this.configState.getAll(), key, ...interpolateParams);
   }
 
   localize(resourceName: string, key: string, defaultValue: string): Observable<string> {
@@ -117,60 +180,62 @@ export class LocalizationService {
     const localization = this.configState.getOne('localization');
     return createLocalizerWithFallback(localization)(resourceNames, keys, defaultValue);
   }
-}
 
-function getLocalization(
-  state: ApplicationConfigurationDto,
-  key: string | LocalizationWithDefault,
-  ...interpolateParams: string[]
-) {
-  if (!key) key = '';
-  let defaultValue: string;
+  private getLocalization(
+    state: ApplicationConfigurationDto,
+    key: string | LocalizationWithDefault,
+    ...interpolateParams: string[]
+  ) {
+    if (!key) key = '';
+    let defaultValue: string;
 
-  if (typeof key !== 'string') {
-    defaultValue = key.defaultValue;
-    key = key.key;
-  }
+    if (typeof key !== 'string') {
+      defaultValue = key.defaultValue;
+      key = key.key;
+    }
 
-  const keys = key.split('::') as string[];
-  const warn = (message: string) => {
-    if (isDevMode) console.warn(message);
-  };
+    const keys = key.split('::') as string[];
+    const warn = (message: string) => {
+      if (isDevMode) console.warn(message);
+    };
 
-  if (keys.length < 2) {
-    warn('The localization source separator (::) not found.');
-    return defaultValue || (key as string);
-  }
-  if (!state.localization) return defaultValue || keys[1];
+    if (keys.length < 2) {
+      warn('The localization source separator (::) not found.');
+      return defaultValue || (key as string);
+    }
+    if (!state.localization) return defaultValue || keys[1];
 
-  const sourceName = keys[0] || state.localization.defaultResourceName;
-  const sourceKey = keys[1];
+    const sourceName = keys[0] || state.localization.defaultResourceName;
+    const sourceKey = keys[1];
 
-  if (sourceName === '_') {
-    return defaultValue || sourceKey;
-  }
+    if (sourceName === '_') {
+      return defaultValue || sourceKey;
+    }
 
-  if (!sourceName) {
-    warn('Localization source name is not specified and the defaultResourceName was not defined!');
+    if (!sourceName) {
+      warn(
+        'Localization source name is not specified and the defaultResourceName was not defined!',
+      );
 
-    return defaultValue || sourceKey;
-  }
+      return defaultValue || sourceKey;
+    }
 
-  const source = state.localization.values[sourceName];
-  if (!source) {
-    warn('Could not find localization source: ' + sourceName);
-    return defaultValue || sourceKey;
-  }
+    const source = this.localizations$.value.get(sourceName);
+    if (!source) {
+      warn('Could not find localization source: ' + sourceName);
+      return defaultValue || sourceKey;
+    }
 
-  let localization = source[sourceKey];
-  if (typeof localization === 'undefined') {
-    return defaultValue || sourceKey;
-  }
+    let localization = source[sourceKey];
+    if (typeof localization === 'undefined') {
+      return defaultValue || sourceKey;
+    }
 
-  interpolateParams = interpolateParams.filter(params => params != null);
-  if (localization) localization = interpolate(localization, interpolateParams);
+    interpolateParams = interpolateParams.filter(params => params != null);
+    if (localization) localization = interpolate(localization, interpolateParams);
 
-  if (typeof localization !== 'string') localization = '';
+    if (typeof localization !== 'string') localization = '';
 
-  return localization || defaultValue || (key as string);
+    return localization || defaultValue || (key as string);
+  }
 }

npm/ng-packs/packages/core/src/lib/tokens/index.ts

@@ -1,6 +1,7 @@
 export * from './app-config.token';
 export * from './cookie-language-key.token';
 export * from './list.token';
+export * from './localization.token';
 export * from './lodaer-delay.token';
 export * from './manage-profile.token';
 export * from './options.token';

npm/ng-packs/packages/core/src/lib/tokens/localization.token.ts

@@ -0,0 +1,13 @@
+import { InjectionToken } from '@angular/core';
+import { BehaviorSubject } from 'rxjs';
+import { ABP } from '../models/common';
+
+export const LOCALIZATIONS = new InjectionToken('LOCALIZATIONS');
+
+export function localizationContributor(localizations: ABP.Localization[]) {
+  if (localizations) {
+    localizations$.next([...localizations$.value, ...localizations]);
+  }
+}
+
+export const localizations$ = new BehaviorSubject([]);