Provide per section attachments

Upload and delete attachments on a per section basis.

gui/app/components/document/section-attachment.js

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+// Copyright 2016 Documize Inc. <legal@documize.com>. All rights reserved.
+//
+// This software (Documize Community Edition) is licensed under
+// GNU AGPL v3 http://www.gnu.org/licenses/agpl-3.0.en.html
+//
+// You can operate outside the AGPL restrictions by purchasing
+// Documize Enterprise Edition and obtaining a commercial license
+// by contacting <sales@documize.com>.
+//
+// https://documize.com
+
+import { inject as service } from '@ember/service';
+import { computed } from '@ember/object';
+import Modals from '../../mixins/modal';
+import Notifier from '../../mixins/notifier';
+import Component from '@ember/component';
+
+export default Component.extend(Modals, Notifier, {
+	appMeta: service(),
+	session: service(),
+	editMode: false,
+	downloadQuery: '',
+	uploadId: computed('page', function () {
+		let page = this.get('page');
+		return `page-uploader-${page.id}`;
+	}),
+	uploadLabel: 'Upload Attachments',
+	uploaderReady: false,
+
+	didReceiveAttrs() {
+		this._super(...arguments);
+		
+		// For authenticated users we send server auth token.
+		let qry = '';
+		if (this.get('session.hasSecureToken')) {
+			qry = '?secure=' + this.get('session.secureToken');
+		} else if (this.get('session.authenticated')) {
+			qry = '?token=' + this.get('session.authToken');
+		}
+		this.set('downloadQuery', qry);	
+	},
+
+	didRender() {
+		this._super(...arguments);
+
+		// We don't setup uploader if not edit mode.
+		if (!this.get('editMode') || this.get('uploaderReady')) {
+			return;
+		}
+
+		let self = this;
+		let documentId = this.get('document.id');
+		let pageId = this.get('page.id');
+		let url = this.get('appMeta.endpoint');
+		let uploadUrl = `${url}/documents/${documentId}/attachments?page=${pageId}`;
+		let uploadId = this.get('uploadId');
+
+		// Handle upload clicks on button and anything inside that button.
+		let sel = ['#' + uploadId, '#' + uploadId + ' > div'];
+		for (var i=0; i < 2; i++) {
+			let dzone = new Dropzone(sel[i], {
+				headers: {
+					'Authorization': 'Bearer ' + self.get('session.authToken')
+				},
+				url: uploadUrl,
+				method: "post",
+				paramName: 'attachment',
+				clickable: true,
+				maxFilesize: 250,
+				parallelUploads: 5,
+				uploadMultiple: false,
+				addRemoveLinks: false,
+				autoProcessQueue: true,
+
+				init: function () {
+					this.on("success", function (/*file, response*/ ) {
+					});
+
+					this.on("queuecomplete", function () {
+						self.notifySuccess('Uploaded file');
+						self.get('onAttachmentUpload')();
+					});
+
+					this.on("addedfile", function ( /*file*/ ) {
+					});
+
+					this.on("error", function (error, msg) {
+						self.notifyError(msg);
+						self.notifyError(error);
+					});
+				}
+			});
+
+			dzone.on("complete", function (file) {
+				dzone.removeFile(file);
+			});
+		}
+
+		this.set('uploaderReady', true);
+	},
+
+	actions: {
+		onDelete(attachment) {
+			this.notifySuccess('File deleted');
+			this.get('onAttachmentDelete')(attachment.id);
+		}
+	}
+});