Move uploading logic to dedicated FileService

Signed-off-by: Julius Härtl <jus@bitgrid.net>

js/service/FileService.js

@@ -0,0 +1,105 @@
+/*
+ * @copyright Copyright (c) 2018 Julius Härtl <jus@bitgrid.net>
+ *
+ * @author Julius Härtl <jus@bitgrid.net>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *  
+ */
+
+import app from '../app/App.js';
+
+export default class FileService {
+
+	constructor ($http, FileUploader, CardService) {
+		this.uploader = new FileUploader();
+		this.cardservice = CardService;
+		this.uploader.onAfterAddingFile = this.onAfterAddingFile.bind(this);
+		this.uploader.onSuccessItem = this.onSuccessItem.bind(this);
+	}
+
+
+	runUpload (fileItem, attachmentId) {
+		fileItem.url = OC.generateUrl('/apps/deck/cards/' + fileItem.cardId + '/attachment');
+		if (typeof attachmentId !== 'undefined') {
+			fileItem.method = 'UPDATE';
+			fileItem.url = OC.generateUrl('/apps/deck/cards/' + fileItem.cardId + '/attachment/' + attachmentId);
+		}
+		fileItem.formData = [
+			{
+				requesttoken: oc_requesttoken,
+				type: 'deck_file',
+
+			}
+		];
+		this.uploader.uploadItem(fileItem);
+	};
+
+	runUpdate (fileItem) {
+		fileItem.url = OC.generateUrl('/apps/deck/cards/' + fileItem.cardId + '/attachment');
+		fileItem.formData = [
+			{
+				requesttoken: oc_requesttoken,
+				type: 'deck_file',
+
+			}
+		];
+		this.uploader.uploadItem(fileItem);
+	};
+
+	onAfterAddingFile (fileItem) {
+		// Fetch card details before trying to upload so we can detect filename collisions properly
+		let self = this;
+		this.cardservice.fetchOne(fileItem.cardId).then(function (data) {
+			let attachments = self.cardservice.get(fileItem.cardId).attachments;
+			let existingFile = attachments.find((attachment) => {
+				return attachment.data === fileItem.file.name;
+			});
+			if (typeof existingFile !== 'undefined') {
+				OC.dialogs.confirm(
+					`A file with the name ${fileItem.file.name} already exists. Do you want to overwrite it?`,
+					'File already exists',
+					function (result) {
+						if (result) {
+							self.runUpload(fileItem, existingFile.id);
+						} else {
+							let fileName = existingFile.extendedData.info.filename;
+							let foundFilesMatching = attachments.filter((attachment) => {
+								return attachment.extendedData.info.extension === existingFile.extendedData.info.extension
+									&& attachment.extendedData.info.filename.startsWith(fileName);
+							});
+							let nextIndex = foundFilesMatching.length+1;
+							fileItem.file.name = fileName + ' (' + nextIndex + ').' + existingFile.extendedData.info.extension;
+							self.runUpload(fileItem);
+						}
+					}
+				);
+			} else {
+				self.runUpload(fileItem);
+			}
+		}, function (error) {
+
+		});
+
+	};
+
+	onSuccessItem(item, response) {
+		this.cardservice.get(item.cardId).attachments.push(response);
+	};
+
+}
+
+app.service('FileService', FileService);