Load tasks from the server

1 files changed, 205 insertions, 1 deletions

diff --git a/src/models/task.js b/src/models/task.js
index 81484fa7..ffd3deba 100644
--- a/src/models/task.js
+++ b/src/models/task.js
@@ -1,2 +1,206 @@
-export default class {
+/**
+ * Nextcloud - Tasks
+ *
+ * @author John Molakvoæ
+ * @copyright 2018 John Molakvoæ <skjnldsv@protonmail.com>
+ *
+ * @author Raimund Schlüßler
+ * @copyright 2018 Raimund Schlüßler <raimund.schluessler@mailbox.org>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or any later version.
+ *
+ * This library 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 library.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+import uuid from 'uuid'
+import ICAL from 'ical.js'
+
+export default class Task {
+
+	/**
+	 * Creates an instance of Task
+	 *
+	 * @param {string} vcalendar the vcalendar data as string with proper new lines
+	 * @param {object} calendar the calendar which the task belongs to
+	 * @memberof Task
+	 */
+	constructor(vcalendar, calendar, raw) {
+		if (typeof vcalendar !== 'string' || vcalendar.length === 0) {
+			throw new Error('Invalid vCalendar')
+		}
+		this.vcalendar = vcalendar
+
+		let jCal = ICAL.parse(vcalendar)
+		if (jCal[0] !== 'vcalendar') {
+			throw new Error('Only one task is allowed in the vCalendar data')
+		}
+
+		this.jCal = jCal
+		this.calendar = calendar
+		this.vCalendar = new ICAL.Component(this.jCal)
+
+		// used to state a task is not up to date with
+		// the server and cannot be pushed (etag)
+		this.conflict = false
+
+		// if no uid set, create one
+		var vtodo = this.vCalendar.getFirstSubcomponent('vtodo')
+		if (!vtodo.hasProperty('uid')) {
+			console.debug('This task did not have a proper uid. Setting a new one for ', this)
+			vtodo.addPropertyWithValue('uid', uuid())
+		}
+
+		this.uri = raw.url.substr(raw.url.lastIndexOf('/') + 1)
+	}
+
+	/**
+	 * Update internal data of this task
+	 *
+	 * @param {jCal} jCal jCal object from ICAL.js
+	 * @memberof Task
+	 */
+	updateTask(jCal) {
+		this.jCal = jCal
+		this.vCalendar = new ICAL.Component(this.jCal)
+	}
+
+	/**
+	 * Update linked calendar of this task
+	 *
+	 * @param {Object} calendar the calendar
+	 * @memberof Contact
+	 */
+	updateCalendar(calendar) {
+		this.calendar = calendar
+	}
+
+	/**
+	 * Ensure we're normalizing the possible arrays
+	 * into a string by taking the first element
+	 * e.g. ORG:ABC\, Inc.; will output an array because of the semi-colon
+	 *
+	 * @param {Array|string} data the data to normalize
+	 * @returns {string}
+	 * @memberof Task
+	 */
+	firstIfArray(data) {
+		return Array.isArray(data) ? data[0] : data
+	}
+
+	/**
+	 * Return the url
+	 *
+	 * @readonly
+	 * @memberof Task
+	 */
+	get url() {
+		if (this.dav) {
+			return this.dav.url
+		}
+		return ''
+	}
+
+	/**
+	 * Return the uid
+	 *
+	 * @readonly
+	 * @memberof Task
+	 */
+	get uid() {
+		var vtodo = this.vCalendar.getFirstSubcomponent('vtodo')
+		return vtodo.getFirstPropertyValue('uid') || ''
+	}
+
+	/**
+	 * Set the uid
+	 *
+	 * @param {string} uid the uid to set
+	 * @memberof Task
+	 */
+	set uid(uid) {
+		this.vCalendar.updatePropertyWithValue('uid', uid)
+		this.vcalendar = this.vCalendar.toString()
+		return true
+	}
+
+	/**
+	 * Return the first summary
+	 *
+	 * @readonly
+	 * @memberof Task
+	 */
+	get summary() {
+		var vtodo = this.vCalendar.getFirstSubcomponent('vtodo')
+		return vtodo.getFirstPropertyValue('summary');
+	}
+
+	/**
+	 * Set the summary
+	 *
+	 * @param {string} summary the summary
+	 * @memberof Task
+	 */
+	set summary(summary) {
+		var vtodo = this.vCalendar.getFirstSubcomponent('vtodo')
+		vtodo.updatePropertyWithValue('summary', summary)
+		this.updateLastModified()
+		this.vcalendar = this.vCalendar.toString()
+	}
+
+	/**
+	 * Return the categories
+	 *
+	 * @readonly
+	 * @memberof Task
+	 */
+	get categories() {
+		var vtodo = this.vCalendar.getFirstSubcomponent('vtodo')
+		var categories = vtodo.getFirstProperty('categories')
+		if (categories) {
+			return categories.getValues()
+		} else {
+			return []
+		}
+	}
+
+	/**
+	 * Set the categories
+	 *
+	 * @param {string} categories the categories
+	 * @memberof Task
+	 */
+	set categories(cats) {
+		var vtodo = this.vCalendar.getFirstSubcomponent('vtodo')
+		var categories = vtodo.getFirstProperty('categories')
+		if (cats.length > 0) {
+			if (categories) {
+				categories.setValues(cats)
+			} else {
+				var prop = new ICAL.Property('categories')
+				prop.setValues(cats)
+				categories = vtodo.addProperty(prop)
+			}
+		} else {
+			vtodo.removeProperty('categories')
+		}
+		this.updateLastModified()
+		this.vcalendar = this.vCalendar.toString()
+	}
+
+	updateLastModified () {
+		var vtodo = this.vCalendar.getFirstSubcomponent('vtodo')
+		vtodo.updatePropertyWithValue('last-modified', ICAL.Time.now())
+		vtodo.updatePropertyWithValue('dtstamp', ICAL.Time.now())
+	}
+
 }