[ADF-2588] make comment component compatible with content (#3128)

lib/core/services/comment-content.service.ts

@@ -0,0 +1,67 @@
+/*!
+ * @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 { Injectable } from '@angular/core';
+import { Observable } from 'rxjs/Observable';
+import { CommentModel } from '../models/comment.model';
+import { AlfrescoApiService } from '../services/alfresco-api.service';
+import { LogService } from '../services/log.service';
+import 'rxjs/add/observable/fromPromise';
+import 'rxjs/add/operator/catch';
+import 'rxjs/add/observable/throw';
+
+@Injectable()
+export class CommentContentService {
+
+    constructor(private apiService: AlfrescoApiService,
+                private logService: LogService) {
+    }
+
+    addNodeComment(nodeId: string, message: string): Observable<CommentModel> {
+        return Observable.fromPromise(this.apiService.getInstance().core.commentsApi.addComment(nodeId, {content: message}))
+            .map((response: any) => {
+                return new CommentModel({
+                    id: response.entry.id,
+                    message: response.entry.content,
+                    created: response.entry.createdAt,
+                    createdBy: response.entry.createdBy
+                });
+            }).catch(err => this.handleError(err));
+    }
+
+    getNodeComments(nodeId: string): Observable<CommentModel[]> {
+        return Observable.fromPromise(this.apiService.getInstance().core.commentsApi.getComments(nodeId))
+            .map((response: any) => {
+                const comments: CommentModel[] = [];
+                response.list.entries.forEach((comment: any) => {
+                    comments.push(new CommentModel({
+                        id: comment.entry.id,
+                        message: comment.entry.content,
+                        created: comment.entry.createdAt,
+                        createdBy: comment.entry.createdBy
+                    }));
+                });
+                return comments;
+            }).catch(err => this.handleError(err));
+    }
+
+    private handleError(error: any) {
+        this.logService.error(error);
+        return Observable.throw(error || 'Server error');
+    }
+
+}