New packages org (#2639)

New packages org

lib/content-services/dialogs/download-zip.dialog.ts

@@ -0,0 +1,126 @@
+/*!
+ * @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 { Component, Inject, OnInit, ViewEncapsulation } from '@angular/core';
+import { MAT_DIALOG_DATA, MatDialogRef } from '@angular/material';
+import { DownloadEntry, MinimalNodeEntity } from 'alfresco-js-api';
+import { LogService, AlfrescoApiService } from '@alfresco/core';
+
+@Component({
+    selector: 'adf-download-zip-dialog',
+    templateUrl: './download-zip.dialog.html',
+    styleUrls: ['./download-zip.dialog.scss'],
+    host: { 'class': 'adf-download-zip-dialog' },
+    encapsulation: ViewEncapsulation.None
+})
+export class DownloadZipDialogComponent implements OnInit {
+
+    // flag for async threads
+    private cancelled = false;
+
+    constructor(private apiService: AlfrescoApiService,
+                private dialogRef: MatDialogRef<DownloadZipDialogComponent>,
+                @Inject(MAT_DIALOG_DATA) private data: { nodeIds?: string[] },
+                private logService: LogService) {
+    }
+
+    private get downloadsApi() {
+        return this.apiService.getInstance().core.downloadsApi;
+    }
+
+    private get nodesApi() {
+        return this.apiService.getInstance().core.nodesApi;
+    }
+
+    private get contentApi() {
+        return this.apiService.getInstance().content;
+    }
+
+    ngOnInit() {
+        if (this.data && this.data.nodeIds && this.data.nodeIds.length > 0) {
+            // change timeout to have a delay for demo purposes
+            setTimeout(() => {
+                if (!this.cancelled) {
+                    this.downloadZip(this.data.nodeIds);
+                } else {
+                    this.logService.log('Cancelled');
+                }
+            }, 0);
+        }
+    }
+
+    cancelDownload() {
+        this.cancelled = true;
+        this.dialogRef.close(false);
+    }
+
+    downloadZip(nodeIds: string[]) {
+        if (nodeIds && nodeIds.length > 0) {
+
+            const promise: any = this.downloadsApi.createDownload({ nodeIds });
+
+            promise.on('progress', progress => this.logService.log('Progress', progress));
+            promise.on('error', error => this.logService.error('Error', error));
+            promise.on('abort', data => this.logService.log('Abort', data));
+
+            promise.on('success', (data: DownloadEntry) => {
+                if (data && data.entry && data.entry.id) {
+                    const url = this.contentApi.getContentUrl(data.entry.id, true);
+                    // the call is needed only to get the name of the package
+                    this.nodesApi.getNode(data.entry.id).then((downloadNode: MinimalNodeEntity) => {
+                        this.logService.log(downloadNode);
+                        const fileName = downloadNode.entry.name;
+                        this.waitAndDownload(data.entry.id, url, fileName);
+                    });
+                }
+            });
+        }
+    }
+
+    waitAndDownload(downloadId: string, url: string, fileName: string) {
+        if (this.cancelled) {
+            return;
+        }
+
+        this.downloadsApi.getDownload(downloadId).then((d: DownloadEntry) => {
+            if (d.entry) {
+                if (d.entry.status === 'DONE') {
+                    this.download(url, fileName);
+                } else {
+                    setTimeout(() => {
+                        this.waitAndDownload(downloadId, url, fileName);
+                    }, 1000);
+                }
+            }
+        });
+    }
+
+    download(url: string, fileName: string) {
+        if (url && fileName) {
+            const link = document.createElement('a');
+
+            link.style.display = 'none';
+            link.download = fileName;
+            link.href = url;
+
+            document.body.appendChild(link);
+            link.click();
+            document.body.removeChild(link);
+        }
+        this.dialogRef.close(true);
+    }
+}