Asset changed trigger.

src/Squidex.Domain.Apps.Core.Model/Rules/IRuleTriggerVisitor.cs

@@ -11,6 +11,8 @@ namespace Squidex.Domain.Apps.Core.Rules
 {
     public interface IRuleTriggerVisitor<out T>
     {
+        T Visit(AssetChangedTrigger trigger);
+
         T Visit(ContentChangedTrigger trigger);
     }
 }

src/Squidex.Domain.Apps.Core.Model/Rules/Triggers/AssetChangedTrigger.cs

@@ -0,0 +1,28 @@
+// ==========================================================================
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex UG (haftungsbeschraenkt)
+//  All rights reserved. Licensed under the MIT license.
+// ==========================================================================
+
+using Squidex.Infrastructure;
+
+namespace Squidex.Domain.Apps.Core.Rules.Triggers
+{
+    [TypeName(nameof(AssetChangedTrigger))]
+    public sealed class AssetChangedTrigger : RuleTrigger
+    {
+        public bool SendCreate { get; set; }
+
+        public bool SendUpdate { get; set; }
+
+        public bool SendRename { get; set; }
+
+        public bool SendDelete { get; set; }
+
+        public override T Accept<T>(IRuleTriggerVisitor<T> visitor)
+        {
+            return visitor.Visit(this);
+        }
+    }
+}

src/Squidex.Domain.Apps.Core.Operations/HandleRules/Actions/AlgoliaActionHandler.cs

@@ -6,7 +6,6 @@
 // ==========================================================================
 
 using System;
-using System.Collections.Concurrent;
 using System.Threading.Tasks;
 using Algolia.Search;
 using Newtonsoft.Json;
@@ -23,7 +22,7 @@ namespace Squidex.Domain.Apps.Core.HandleRules.Actions
     public sealed class AlgoliaActionHandler : RuleActionHandler<AlgoliaAction>
     {
         private const string SchemaNamePlaceholder = "$SCHEMA_NAME";
-        private readonly ConcurrentDictionary<(string AppId, string ApiKey, string IndexName), Index> clients = new ConcurrentDictionary<(string AppId, string ApiKey, string IndexName), Index>();
+        private readonly ClientPool<(string AppId, string ApiKey, string IndexName), Index> clients;
         private readonly RuleEventFormatter formatter;
 
         public AlgoliaActionHandler(RuleEventFormatter formatter)
@@ -31,6 +30,13 @@ namespace Squidex.Domain.Apps.Core.HandleRules.Actions
             Guard.NotNull(formatter, nameof(formatter));
 
             this.formatter = formatter;
+
+            clients = new ClientPool<(string AppId, string ApiKey, string IndexName), Index>(key =>
+            {
+                var client = new AlgoliaClient(key.AppId, key.ApiKey);
+
+                return client.InitIndex(key.IndexName);
+            });
         }
 
         protected override (string Description, RuleJobData Data) CreateJob(Envelope<AppEvent> @event, string eventName, AlgoliaAction action)
@@ -102,16 +108,16 @@ namespace Squidex.Domain.Apps.Core.HandleRules.Actions
 
         public override async Task<(string Dump, Exception Exception)> ExecuteJobAsync(RuleJobData job)
         {
+            if (job["Operation"] == null)
+            {
+                return (null, new InvalidOperationException("The action cannot handle this event."));
+            }
+
             var appId = job["AppId"].Value<string>();
             var apiKey = job["ApiKey"].Value<string>();
             var indexName = job["IndexName"].Value<string>();
 
-            var index = clients.GetOrAdd((appId, apiKey, indexName), s =>
-            {
-                var client = new AlgoliaClient(appId, apiKey);
-
-                return client.InitIndex(indexName);
-            });
+            var index = clients.GetClient((appId, apiKey, indexName));
 
             var operation = job["Operation"].Value<string>();
             var content = job["Content"].Value<JObject>();
@@ -138,9 +144,7 @@ namespace Squidex.Domain.Apps.Core.HandleRules.Actions
                     }
 
                     default:
-                    {
-                        return ("Nothing to do!", null);
-                    }
+                        return (null, null);
                 }
             }
             catch (AlgoliaException ex)

src/Squidex.Domain.Apps.Core.Operations/HandleRules/Actions/AzureQueueActionHandler.cs

@@ -6,7 +6,6 @@
 // ==========================================================================
 
 using System;
-using System.Collections.Concurrent;
 using System.Threading.Tasks;
 using Microsoft.WindowsAzure.Storage;
 using Microsoft.WindowsAzure.Storage.Queue;
@@ -22,7 +21,7 @@ namespace Squidex.Domain.Apps.Core.HandleRules.Actions
 {
     public sealed class AzureQueueActionHandler : RuleActionHandler<AzureQueueAction>
     {
-        private readonly ConcurrentDictionary<(string ConnectionString, string QueueName), CloudQueue> queues = new ConcurrentDictionary<(string ConnectionString, string QueueName), CloudQueue>();
+        private readonly ClientPool<(string ConnectionString, string QueueName), CloudQueue> clients;
         private readonly RuleEventFormatter formatter;
 
         public AzureQueueActionHandler(RuleEventFormatter formatter)
@@ -30,6 +29,16 @@ namespace Squidex.Domain.Apps.Core.HandleRules.Actions
             Guard.NotNull(formatter, nameof(formatter));
 
             this.formatter = formatter;
+
+            clients = new ClientPool<(string ConnectionString, string QueueName), CloudQueue>(key =>
+            {
+                var storageAccount = CloudStorageAccount.Parse(key.ConnectionString);
+
+                var queueClient = storageAccount.CreateCloudQueueClient();
+                var queueRef = queueClient.GetQueueReference(key.QueueName);
+
+                return queueRef;
+            });
         }
 
         protected override (string Description, RuleJobData Data) CreateJob(Envelope<AppEvent> @event, string eventName, AzureQueueAction action)
@@ -52,15 +61,7 @@ namespace Squidex.Domain.Apps.Core.HandleRules.Actions
             var queueConnectionString = job["QueueConnectionString"].Value<string>();
             var queueName = job["QueueName"].Value<string>();
 
-            var queue = queues.GetOrAdd((queueConnectionString, queueName), s =>
-            {
-                var storageAccount = CloudStorageAccount.Parse(queueConnectionString);
-
-                var queueClient = storageAccount.CreateCloudQueueClient();
-                var queueRef = queueClient.GetQueueReference(queueName);
-
-                return queueRef;
-            });
+            var queue = clients.GetClient((queueConnectionString, queueName));
 
             var messageBody = job["MessageBody"].ToString(Formatting.Indented);
 

src/Squidex.Domain.Apps.Core.Operations/HandleRules/Actions/SlackActionHandler.cs

@@ -23,7 +23,6 @@ namespace Squidex.Domain.Apps.Core.HandleRules.Actions
 {
     public sealed class SlackActionHandler : RuleActionHandler<SlackAction>
     {
-        private static readonly HttpClient Client = new HttpClient { Timeout = TimeSpan.FromSeconds(2) };
         private readonly RuleEventFormatter formatter;
 
         public SlackActionHandler(RuleEventFormatter formatter)
@@ -61,7 +60,7 @@ namespace Squidex.Domain.Apps.Core.HandleRules.Actions
 
             try
             {
-                response = await Client.SendAsync(requestMsg);
+                response = await HttpClientPool.GetHttpClient().SendAsync(requestMsg);
 
                 var responseString = await response.Content.ReadAsStringAsync();
                 var requestDump = DumpFormatter.BuildDump(requestMsg, response, requestBody, responseString, TimeSpan.Zero, false);

src/Squidex.Domain.Apps.Core.Operations/HandleRules/Actions/WebhookActionHandler.cs

@@ -23,7 +23,6 @@ namespace Squidex.Domain.Apps.Core.HandleRules.Actions
 {
     public sealed class WebhookActionHandler : RuleActionHandler<WebhookAction>
     {
-        private static readonly TimeSpan Timeout = TimeSpan.FromSeconds(2);
         private readonly RuleEventFormatter formatter;
 
         public WebhookActionHandler(RuleEventFormatter formatter)
@@ -59,15 +58,12 @@ namespace Squidex.Domain.Apps.Core.HandleRules.Actions
 
             try
             {
-                using (var client = new HttpClient { Timeout = Timeout })
-                {
-                    response = await client.SendAsync(requestMsg);
+                response = await HttpClientPool.GetHttpClient().SendAsync(requestMsg);
 
-                    var responseString = await response.Content.ReadAsStringAsync();
-                    var requestDump = DumpFormatter.BuildDump(requestMsg, response, requestBody, responseString, TimeSpan.Zero, false);
+                var responseString = await response.Content.ReadAsStringAsync();
+                var requestDump = DumpFormatter.BuildDump(requestMsg, response, requestBody, responseString, TimeSpan.Zero, false);
 
-                    return (requestDump, null);
-                }
+                return (requestDump, null);
             }
             catch (Exception ex)
             {

src/Squidex.Domain.Apps.Core.Operations/HandleRules/ClientPool.cs

@@ -0,0 +1,39 @@
+// ==========================================================================
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex UG (haftungsbeschraenkt)
+//  All rights reserved. Licensed under the MIT license.
+// ==========================================================================
+
+using System;
+using Microsoft.Extensions.Caching.Memory;
+using Microsoft.Extensions.Options;
+
+#pragma warning disable RECS0108 // Warns about static fields in generic types
+
+namespace Squidex.Domain.Apps.Core.HandleRules
+{
+    internal sealed class ClientPool<TKey, TClient>
+    {
+        private static readonly TimeSpan TTL = TimeSpan.FromMinutes(30);
+        private readonly MemoryCache memoryCache = new MemoryCache(Options.Create(new MemoryCacheOptions()));
+        private readonly Func<TKey, TClient> factory;
+
+        public ClientPool(Func<TKey, TClient> factory)
+        {
+            this.factory = factory;
+        }
+
+        public TClient GetClient(TKey key)
+        {
+            if (!memoryCache.TryGetValue<TClient>(key, out var client))
+            {
+                client = factory(key);
+
+                memoryCache.Set(key, client, TTL);
+            }
+
+            return client;
+        }
+    }
+}

src/Squidex.Domain.Apps.Core.Operations/HandleRules/HttpClientPool.cs

@@ -0,0 +1,25 @@
+// ==========================================================================
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex UG (haftungsbeschraenkt)
+//  All rights reserved. Licensed under the MIT license.
+// ==========================================================================
+
+using System;
+using System.Net.Http;
+
+namespace Squidex.Domain.Apps.Core.HandleRules
+{
+    public static class HttpClientPool
+    {
+        private static readonly ClientPool<string, HttpClient> Pool = new ClientPool<string, HttpClient>(key =>
+        {
+            return new HttpClient { Timeout = TimeSpan.FromSeconds(2) };
+        });
+
+        public static HttpClient GetHttpClient()
+        {
+            return Pool.GetClient(string.Empty);
+        }
+    }
+}

src/Squidex.Domain.Apps.Core.Operations/HandleRules/Triggers/AssetChangedTriggerHandler.cs

@@ -0,0 +1,31 @@
+// ==========================================================================
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex UG (haftungsbeschränkt)
+//  All rights reserved. Licensed under the MIT license.
+// ==========================================================================
+
+using Squidex.Domain.Apps.Core.Rules.Triggers;
+using Squidex.Domain.Apps.Events;
+using Squidex.Domain.Apps.Events.Assets;
+using Squidex.Infrastructure.EventSourcing;
+
+namespace Squidex.Domain.Apps.Core.HandleRules.Triggers
+{
+    public sealed class AssetChangedTriggerHandler : RuleTriggerHandler<AssetChangedTrigger>
+    {
+        protected override bool Triggers(Envelope<AppEvent> @event, AssetChangedTrigger trigger)
+        {
+            return @event.Payload is AssetEvent assetEvent && MatchsType(trigger, assetEvent);
+        }
+
+        private static bool MatchsType(AssetChangedTrigger trigger, AssetEvent @event)
+        {
+            return
+                (trigger.SendCreate && @event is AssetCreated) ||
+                (trigger.SendUpdate && @event is AssetUpdated) ||
+                (trigger.SendDelete && @event is AssetDeleted) ||
+                (trigger.SendRename && @event is AssetRenamed);
+        }
+    }
+}

src/Squidex.Domain.Apps.Entities/Rules/Guards/RuleTriggerValidator.cs

@@ -35,6 +35,11 @@ namespace Squidex.Domain.Apps.Entities.Rules.Guards
             return action.Accept(visitor);
         }
 
+        public Task<IEnumerable<ValidationError>> Visit(AssetChangedTrigger trigger)
+        {
+            return Task.FromResult(Enumerable.Empty<ValidationError>());
+        }
+
         public async Task<IEnumerable<ValidationError>> Visit(ContentChangedTrigger trigger)
         {
             if (trigger.Schemas != null)

src/Squidex/Areas/Api/Controllers/Rules/Models/Converters/RuleTriggerDtoFactory.cs

@@ -26,6 +26,11 @@ namespace Squidex.Areas.Api.Controllers.Rules.Models.Converters
             return properties.Accept(Instance);
         }
 
+        public RuleTriggerDto Visit(AssetChangedTrigger trigger)
+        {
+            return SimpleMapper.Map(trigger, new AssetChangedTriggerDto());
+        }
+
         public RuleTriggerDto Visit(ContentChangedTrigger trigger)
         {
             return new ContentChangedTriggerDto

src/Squidex/Areas/Api/Controllers/Rules/Models/RuleTriggerDto.cs

@@ -13,6 +13,7 @@ using Squidex.Domain.Apps.Core.Rules;
 namespace Squidex.Areas.Api.Controllers.Rules.Models
 {
     [JsonConverter(typeof(JsonInheritanceConverter), "triggerType")]
+    [KnownType(typeof(AssetChangedTriggerDto))]
     [KnownType(typeof(ContentChangedTriggerDto))]
     public abstract class RuleTriggerDto
     {

src/Squidex/Areas/Api/Controllers/Rules/Models/Triggers/AssetChangedTriggerDto.cs

@@ -0,0 +1,43 @@
+// ==========================================================================
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex UG (haftungsbeschränkt)
+//  All rights reserved. Licensed under the MIT license.
+// ==========================================================================
+
+using NJsonSchema.Annotations;
+using Squidex.Domain.Apps.Core.Rules;
+using Squidex.Domain.Apps.Core.Rules.Triggers;
+using Squidex.Infrastructure.Reflection;
+
+namespace Squidex.Areas.Api.Controllers.Rules.Models.Triggers
+{
+    [JsonSchema("AssetChanged")]
+    public sealed class AssetChangedTriggerDto : RuleTriggerDto
+    {
+        /// <summary>
+        /// Determines whether to handle the event when an asset is created.
+        /// </summary>
+        public bool SendCreate { get; set; }
+
+        /// <summary>
+        /// Determines whether to handle the event when an asset is updated.
+        /// </summary>
+        public bool SendUpdate { get; set; }
+
+        /// <summary>
+        /// Determines whether to handle the event when an asset is renamed.
+        /// </summary>
+        public bool SendRename { get; set; }
+
+        /// <summary>
+        /// Determines whether to handle the event when an asset is deleted.
+        /// </summary>
+        public bool SendDelete { get; set; }
+
+        public override RuleTrigger ToTrigger()
+        {
+            return SimpleMapper.Map(this, new AssetChangedTrigger());
+        }
+    }
+}

src/Squidex/Areas/Api/Controllers/Rules/Models/Triggers/ContentChangedTriggerSchemaDto.cs

@@ -17,22 +17,22 @@ namespace Squidex.Areas.Api.Controllers.Rules.Models.Triggers
         public Guid SchemaId { get; set; }
 
         /// <summary>
-        /// True, when to send a message for created events.
+        /// Determines whether to handle the event when a content is created.
         /// </summary>
         public bool SendCreate { get; set; }
 
         /// <summary>
-        /// True, when to send a message for updated events.
+        /// Determines whether to handle the event when a content is updated.
         /// </summary>
         public bool SendUpdate { get; set; }
 
         /// <summary>
-        /// True, when to send a message for deleted events.
+        /// Determines whether to handle the event when a content is deleted.
         /// </summary>
         public bool SendDelete { get; set; }
 
         /// <summary>
-        /// True, when to send a message for published events.
+        /// Determines whether to handle the event when a content is published.
         /// </summary>
         public bool SendPublish { get; set; }
     }

src/Squidex/Config/Domain/ReadServices.cs

@@ -92,6 +92,9 @@ namespace Squidex.Config.Domain
             services.AddSingletonAs<RuleEventFormatter>()
                 .AsSelf();
 
+            services.AddSingletonAs<AssetChangedTriggerHandler>()
+                .As<IRuleTriggerHandler>();
+
             services.AddSingletonAs<ContentChangedTriggerHandler>()
                 .As<IRuleTriggerHandler>();
 

src/Squidex/app/features/rules/declarations.ts

@@ -9,6 +9,7 @@ export * from './pages/rules/actions/algolia-action.component';
 export * from './pages/rules/actions/azure-queue-action.component';
 export * from './pages/rules/actions/slack-action.component';
 export * from './pages/rules/actions/webhook-action.component';
+export * from './pages/rules/triggers/asset-changed-trigger.component';
 export * from './pages/rules/triggers/content-changed-trigger.component';
 export * from './pages/rules/rule-wizard.component';
 export * from './pages/rules/rules-page.component';

src/Squidex/app/features/rules/module.ts

@@ -16,6 +16,7 @@ import {
 
 import {
     AlgoliaActionComponent,
+    AssetChangedTriggerComponent,
     AzureQueueActionComponent,
     ContentChangedTriggerComponent,
     RuleEventsPageComponent,
@@ -53,6 +54,7 @@ const routes: Routes = [
     ],
     declarations: [
         AlgoliaActionComponent,
+        AssetChangedTriggerComponent,
         AzureQueueActionComponent,
         ContentChangedTriggerComponent,
         RuleEventsPageComponent,

src/Squidex/app/features/rules/pages/rules/rule-wizard.component.html

@@ -39,6 +39,12 @@
             
             <div *ngIf="step === 2 && schemas" class="modal-form">       
                 <div [ngSwitch]="triggerType">
+                    <div *ngSwitchCase="'AssetChanged'">
+                        <sqx-asset-changed-trigger #triggerControl
+                            [trigger]="trigger" 
+                            (triggerChanged)="selectTrigger($event)">
+                        </sqx-asset-changed-trigger>
+                    </div>
                     <div *ngSwitchCase="'ContentChanged'">
                         <sqx-content-changed-trigger #triggerControl
                             [schemas]="schemas" 

src/Squidex/app/features/rules/pages/rules/triggers/asset-changed-trigger.component.html

@@ -0,0 +1,37 @@
+<h3>Trigger rule when asset has been...</h3>
+
+
+<form [formGroup]="triggerForm" class="form-horizontal" (ngSubmit)="save()">
+    <div class="form-group">
+        <div class="form-check">
+            <input class="form-check-input" type="checkbox" id="sendCreate" formControlName="sendCreate">
+            <label class="form-check-label" for="sendCreate">
+                created
+            </label>
+        </div>
+    </div>
+    <div class="form-group">
+        <div class="form-check">
+            <input class="form-check-input" type="checkbox" id="sendUpdate" formControlName="sendUpdate">
+            <label class="form-check-label" for="sendUpdate">
+                updated
+            </label>
+        </div>
+    </div>
+    <div class="form-group">
+        <div class="form-check">
+            <input class="form-check-input" type="checkbox" id="sendRename" formControlName="sendRename">
+            <label class="form-check-label" for="sendRename">
+                renamed
+            </label>
+        </div>
+    </div>
+    <div class="form-group">
+        <div class="form-check">
+            <input class="form-check-input" type="checkbox" id="sendDelete" formControlName="sendDelete">
+            <label class="form-check-label" for="sendDelete">
+                deleted
+            </label>
+        </div>
+    </div>
+</form>

src/Squidex/app/features/rules/pages/rules/triggers/asset-changed-trigger.component.scss

@@ -0,0 +1,2 @@
+@import '_vars';
+@import '_mixins';

src/Squidex/app/features/rules/pages/rules/triggers/asset-changed-trigger.component.ts

@@ -0,0 +1,59 @@
+/*
+ * Squidex Headless CMS
+ *
+ * @license
+ * Copyright (c) Squidex UG (haftungsbeschränkt). All rights reserved.
+ */
+
+import { Component, EventEmitter, Input, OnInit, Output } from '@angular/core';
+import { FormBuilder } from '@angular/forms';
+
+@Component({
+    selector: 'sqx-asset-changed-trigger',
+    styleUrls: ['./asset-changed-trigger.component.scss'],
+    templateUrl: './asset-changed-trigger.component.html'
+})
+export class AssetChangedTriggerComponent implements OnInit {
+    @Input()
+    public trigger: any;
+
+    @Output()
+    public triggerChanged = new EventEmitter<object>();
+
+    public triggerFormSubmitted = false;
+    public triggerForm =
+        this.formBuilder.group({
+            sendCreate: false,
+            sendUpdate: false,
+            sendRename: false,
+            sendDelete: false
+        });
+
+    constructor(
+        private readonly formBuilder: FormBuilder
+    ) {
+    }
+
+    public ngOnInit() {
+        this.trigger = Object.assign({}, {
+            sendCreate: false,
+            sendUpdate: false,
+            sendRename: false,
+            sendDelete: false
+        }, this.trigger || {});
+
+        this.triggerFormSubmitted = false;
+        this.triggerForm.reset();
+        this.triggerForm.setValue(this.trigger);
+    }
+
+    public save() {
+        this.triggerFormSubmitted = true;
+
+        if (this.triggerForm.valid) {
+            const trigger = this.triggerForm.value;
+
+            this.triggerChanged.emit(trigger);
+        }
+    }
+}

src/Squidex/app/features/rules/pages/rules/triggers/content-changed-trigger.component.html

@@ -13,20 +13,20 @@
         <th>
             Schema
         </th>
-        <th class="text-center" title="All">
-            All
+        <th class="text-center">
+            <div class="rotated-label">All</div>
         </th>
-        <th class="text-center" title="Created">
-            C
+        <th class="text-center">
+            <div class="rotated-label">Created</div>
         </th>
-        <th class="text-center" title="Updated">
-            U
+        <th class="text-center">
+            <div class="rotated-label">Updated</div>
         </th>
-        <th class="text-center" title="Deleted">
-            D
+        <th class="text-center">
+            <div class="rotated-label">Deleted</div>
         </th>
-        <th class="text-center" title="Published">
-            P
+        <th class="text-center">
+            <div class="rotated-label">Published</div>
         </th>
         <th></th>
     </tr>

src/Squidex/app/features/rules/pages/rules/triggers/content-changed-trigger.component.scss

@@ -6,3 +6,7 @@
     padding-top: 1rem;
     padding-bottom: 0;
 }
+
+.rotated-label {
+    @include rotate(-45deg);
+}

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

@@ -21,6 +21,7 @@ import {
 } from 'framework';
 
 export const ruleTriggers: any = {
+    'AssetChanged': 'Asset changed',
     'ContentChanged': 'Content changed'
 };
 

src/Squidex/app/theme/_rules.scss

@@ -1,6 +1,7 @@
 @import '_mixins';
 @import '_vars';
 
+$trigger-asset-changed:   #3389ff;
 $trigger-content-changed: #3389ff;
 
 $action-webhook:          #4bb958;
@@ -48,6 +49,10 @@ $action-azure:            #55b3ff;
     }
 }
 
+.rule-element-AssetChanged {
+    @include build-element($trigger-asset-changed);
+}
+
 .rule-element-ContentChanged {
     @include build-element($trigger-content-changed);
 }

src/Squidex/app/theme/icomoon/demo.html

@@ -605,6 +605,22 @@
                 <input type="text" readonly value="" class="liga unitRight" />
             </div>
         </div>
+        <div class="glyph fs1">
+            <div class="clearfix bshadow0 pbs">
+                <span class="icon-trigger-AssetChanged">
+                
+                </span>
+                <span class="mls"> icon-trigger-AssetChanged</span>
+            </div>
+            <fieldset class="fs0 size1of1 clearfix hidden-false">
+                <input type="text" readonly value="e91d" class="unit size1of2" />
+                <input type="text" maxlength="1" readonly value="&#xe91d;" class="unitRight size1of2 talign-right" />
+            </fieldset>
+            <div class="fs0 bshadow0 clearfix hidden-true">
+                <span class="unit pvs fgc1">liga: </span>
+                <input type="text" readonly value="" class="liga unitRight" />
+            </div>
+        </div>
         <div class="glyph fs1">
             <div class="clearfix bshadow0 pbs">
                 <span class="icon-more">

src/Squidex/app/theme/icomoon/fonts/icomoon.svg

@@ -36,7 +36,7 @@
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src/Squidex/app/theme/icomoon/selection.json

@@ -899,7 +899,7 @@
       "properties": {
         "order": 30,
         "id": 11,
-        "name": "media, type-Assets",
+        "name": "media, type-Assets, trigger-AssetChanged",
         "prevSize": 32,
         "code": 59677
       },

src/Squidex/app/theme/icomoon/style.css

@@ -1,10 +1,10 @@
 @font-face {
   font-family: 'icomoon';
-  src:  url('fonts/icomoon.eot?dojoae');
-  src:  url('fonts/icomoon.eot?dojoae#iefix') format('embedded-opentype'),
-    url('fonts/icomoon.ttf?dojoae') format('truetype'),
-    url('fonts/icomoon.woff?dojoae') format('woff'),
-    url('fonts/icomoon.svg?dojoae#icomoon') format('svg');
+  src:  url('fonts/icomoon.eot?uoafl5');
+  src:  url('fonts/icomoon.eot?uoafl5#iefix') format('embedded-opentype'),
+    url('fonts/icomoon.ttf?uoafl5') format('truetype'),
+    url('fonts/icomoon.woff?uoafl5') format('woff'),
+    url('fonts/icomoon.svg?uoafl5#icomoon') format('svg');
   font-weight: normal;
   font-style: normal;
 }
@@ -136,6 +136,9 @@
 .icon-type-Assets:before {
   content: "\e91d";
 }
+.icon-trigger-AssetChanged:before {
+  content: "\e91d";
+}
 .icon-more:before {
   content: "\e91e";
 }

tests/Squidex.Domain.Apps.Core.Tests/Operations/HandleRules/Triggers/AssetChangedTriggerTests.cs

@@ -0,0 +1,60 @@
+// ==========================================================================
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex UG (haftungsbeschränkt)
+//  All rights reserved. Licensed under the MIT license.
+// ==========================================================================
+
+using System.Collections.Generic;
+using Squidex.Domain.Apps.Core.HandleRules;
+using Squidex.Domain.Apps.Core.HandleRules.Triggers;
+using Squidex.Domain.Apps.Core.Rules.Triggers;
+using Squidex.Domain.Apps.Events;
+using Squidex.Domain.Apps.Events.Assets;
+using Squidex.Domain.Apps.Events.Rules;
+using Squidex.Infrastructure.EventSourcing;
+using Xunit;
+
+namespace Squidex.Domain.Apps.Core.Operations.HandleRules.Triggers
+{
+    public sealed class AssetChangedTriggerTests
+    {
+        private readonly IRuleTriggerHandler sut = new AssetChangedTriggerHandler();
+
+        public static IEnumerable<object[]> TestData
+        {
+            get
+            {
+                return new[]
+                {
+                    new object[] { 0, 1, 1, 1, 1, new RuleCreated() },
+                    new object[] { 1, 1, 0, 0, 0, new AssetCreated() },
+                    new object[] { 0, 0, 0, 0, 0, new AssetCreated() },
+                    new object[] { 1, 0, 1, 0, 0, new AssetUpdated() },
+                    new object[] { 0, 0, 0, 0, 0, new AssetUpdated() },
+                    new object[] { 1, 0, 0, 1, 0, new AssetRenamed() },
+                    new object[] { 0, 0, 0, 0, 0, new AssetRenamed() },
+                    new object[] { 1, 0, 0, 0, 1, new AssetDeleted() },
+                    new object[] { 0, 0, 0, 0, 0, new AssetDeleted() }
+                };
+            }
+        }
+
+        [Theory]
+        [MemberData(nameof(TestData))]
+        public void Should_return_result_depending_on_event(int expected, int sendCreate, int sendUpdate, int sendRename, int sendDelete, AppEvent @event)
+        {
+            var trigger = new AssetChangedTrigger
+            {
+                SendCreate = sendCreate == 1,
+                SendUpdate = sendUpdate == 1,
+                SendRename = sendRename == 1,
+                SendDelete = sendDelete == 1
+            };
+
+            var result = sut.Triggers(new Envelope<AppEvent>(@event), trigger);
+
+            Assert.Equal(expected == 1, result);
+        }
+    }
+}