New packages org (#2639)

New packages org

lib/core/services/renditions.service.ts

@@ -0,0 +1,96 @@
+/*!
+ * @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 { RenditionEntry, RenditionPaging } from 'alfresco-js-api';
+import { Observable } from 'rxjs/Rx';
+import { AlfrescoApiService } from './alfresco-api.service';
+
+/**
+ * RenditionsService
+ *
+ * @returns {RenditionsService} .
+ */
+@Injectable()
+export class RenditionsService {
+
+    constructor(private apiService: AlfrescoApiService) {
+    }
+
+    isRenditionAvailable(nodeId: string, encoding: string): Observable<boolean> {
+        return Observable.create((observer) => {
+            this.getRendition(nodeId, encoding).subscribe(
+                (res) => {
+                    let isAvailable = true;
+                    if (res.entry.status.toString() === 'NOT_CREATED') {
+                        isAvailable = false;
+                    }
+                    observer.next(isAvailable);
+                    observer.complete();
+                },
+                () => {
+                    observer.next(false);
+                    observer.complete();
+                }
+            );
+        });
+    }
+
+    isConversionPossible(nodeId: string, encoding: string): Observable<boolean> {
+        return Observable.create((observer) => {
+            this.getRendition(nodeId, encoding).subscribe(
+                () => {
+                    observer.next(true);
+                    observer.complete();
+                },
+                () => {
+                    observer.next(false);
+                    observer.complete();
+                }
+            );
+        });
+    }
+
+    getRenditionUrl(nodeId: string, encoding: string): string {
+        return this.apiService.contentApi.getRenditionUrl(nodeId, 'pdf');
+    }
+
+    getRendition(nodeId: string, encoding: string): Observable<RenditionEntry> {
+        return Observable.fromPromise(this.apiService.renditionsApi.getRendition(nodeId, encoding));
+    }
+
+    getRenditionsListByNodeId(nodeId: string): Observable<RenditionPaging> {
+        return Observable.fromPromise(this.apiService.renditionsApi.getRenditions(nodeId));
+    }
+
+    createRendition(nodeId: string, encoding: string): Observable<{}> {
+        return Observable.fromPromise(this.apiService.renditionsApi.createRendition(nodeId, {id: encoding}));
+    }
+
+    convert(nodeId: string, encoding: string, pollingInterval: number = 1000) {
+        return this.createRendition(nodeId, encoding)
+            .concatMap(() => this.pollRendition(nodeId, encoding, pollingInterval));
+    }
+
+    private pollRendition(nodeId: string, encoding: string, interval: number = 1000) {
+        return Observable.interval(interval)
+            .switchMap(() => this.getRendition(nodeId, encoding))
+            .takeWhile((data) => {
+                return (data.entry.status.toString() !== 'CREATED');
+            });
+    }
+}