New packages org (#2639)

New packages org

lib/content-services/document-list/services/document-actions.service.ts

@@ -0,0 +1,127 @@
+/*!
+ * @license
+ * Copyright 2016 Alfresco Software, Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { ContentService } from '@alfresco/core';
+import { Injectable } from '@angular/core';
+import { MinimalNodeEntity } from 'alfresco-js-api';
+import { Observable } from 'rxjs/Observable';
+import { Subject } from 'rxjs/Rx';
+import { ContentActionHandler } from '../models/content-action.model';
+import { PermissionModel } from '../models/permissions.model';
+import { DocumentListService } from './document-list.service';
+import { NodeActionsService } from './node-actions.service';
+
+@Injectable()
+export class DocumentActionsService {
+
+    permissionEvent: Subject<PermissionModel> = new Subject<PermissionModel>();
+    error: Subject<Error> = new Subject<Error>();
+    success: Subject<string> = new Subject<string>();
+
+    private handlers: { [id: string]: ContentActionHandler; } = {};
+
+    constructor(private nodeActionsService: NodeActionsService,
+                private documentListService?: DocumentListService,
+                private contentService?: ContentService) {
+        this.setupActionHandlers();
+    }
+
+    getHandler(key: string): ContentActionHandler {
+        if (key) {
+            let lkey = key.toLowerCase();
+            return this.handlers[lkey] || null;
+        }
+        return null;
+    }
+
+    setHandler(key: string, handler: ContentActionHandler): boolean {
+        if (key) {
+            let lkey = key.toLowerCase();
+            this.handlers[lkey] = handler;
+            return true;
+        }
+        return false;
+    }
+
+    canExecuteAction(obj: any): boolean {
+        return this.documentListService && obj && obj.entry.isFile === true;
+    }
+
+    private setupActionHandlers() {
+        this.handlers['download'] = this.download.bind(this);
+        this.handlers['copy'] = this.copyNode.bind(this);
+        this.handlers['move'] = this.moveNode.bind(this);
+        this.handlers['delete'] = this.deleteNode.bind(this);
+    }
+
+    private download(obj: any): Observable<boolean> {
+        if (this.canExecuteAction(obj) && this.contentService) {
+            let link = document.createElement('a');
+            document.body.appendChild(link);
+            link.setAttribute('download', 'download');
+            link.href = this.contentService.getContentUrl(obj);
+            link.click();
+            document.body.removeChild(link);
+            return Observable.of(true);
+        }
+        return Observable.of(false);
+    }
+
+    private copyNode(obj: MinimalNodeEntity, target?: any, permission?: string) {
+        const actionObservable = this.nodeActionsService.copyContent(obj.entry, permission);
+        this.prepareHandlers(actionObservable, 'content', 'copy', target, permission);
+        return actionObservable;
+    }
+
+    private moveNode(obj: MinimalNodeEntity, target?: any, permission?: string) {
+        const actionObservable = this.nodeActionsService.moveContent(obj.entry, permission);
+        this.prepareHandlers(actionObservable, 'content', 'move', target, permission);
+        return actionObservable;
+    }
+
+    private prepareHandlers(actionObservable, type: string, action: string, target?: any, permission?: string): void {
+        actionObservable.subscribe(
+            (fileOperationMessage) => {
+                if (target && typeof target.reload === 'function') {
+                    target.reload();
+                }
+                this.success.next(fileOperationMessage);
+            },
+            this.error.next.bind(this.error)
+        );
+    }
+
+    private deleteNode(obj: any, target?: any, permission?: string): Observable<any> {
+        let handlerObservable;
+
+        if (this.canExecuteAction(obj)) {
+            if (this.contentService.hasPermission(obj.entry, permission)) {
+                handlerObservable = this.documentListService.deleteNode(obj.entry.id);
+                handlerObservable.subscribe(() => {
+                    if (target && typeof target.reload === 'function') {
+                        target.reload();
+                    }
+                    this.success.next(obj.entry.id);
+                });
+                return handlerObservable;
+            } else {
+                this.permissionEvent.next(new PermissionModel({type: 'content', action: 'delete', permission: permission}));
+                return Observable.throw(new Error('No permission to delete'));
+            }
+        }
+    }
+}