Implement user mentioning in frontend

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

js/legacy/commentmodel.js

@@ -1,7 +1,16 @@
+/*
+ * Copyright (c) 2016
+ *
+ * This file is licensed under the Affero General Public License version 3
+ * or later.
+ *
+ * See the COPYING-README file.
+ *
+ */
 
 var NS_OWNCLOUD = 'http://owncloud.org/ns';
 /**
- * @class OCA.AnnouncementCenter.Comments.CommentModel
+ * @class CommentModel
  * @classdesc
  *
  * Comment
@@ -49,7 +58,8 @@ var CommentModel = OC.Backbone.Model.extend(
 		'creationDateTime': '{' + NS_OWNCLOUD + '}creationDateTime',
 		'objectType': '{' + NS_OWNCLOUD + '}objectType',
 		'objectId': '{' + NS_OWNCLOUD + '}objectId',
-		'isUnread': '{' + NS_OWNCLOUD + '}isUnread'
+		'isUnread': '{' + NS_OWNCLOUD + '}isUnread',
+		'mentions': '{' + NS_OWNCLOUD + '}mentions'
 	},
 
 	parse: function(data) {
@@ -62,10 +72,32 @@ var CommentModel = OC.Backbone.Model.extend(
 			creationDateTime: data.creationDateTime,
 			objectType: data.objectType,
 			objectId: data.objectId,
-			isUnread: (data.isUnread === 'true')
+			isUnread: (data.isUnread === 'true'),
+			mentions: this._parseMentions(data.mentions)
 		};
 	},
 
+	_parseMentions: function(mentions) {
+		if(_.isUndefined(mentions)) {
+			return {};
+		}
+		var result = {};
+		for(var i in mentions) {
+			var mention = mentions[i];
+			if(_.isUndefined(mention.localName) || mention.localName !== 'mention') {
+				continue;
+			}
+			result[i] = {};
+			for (var child = mention.firstChild; child; child = child.nextSibling) {
+				if(_.isUndefined(child.localName) || !child.localName.startsWith('mention')) {
+					continue;
+				}
+				result[i][child.localName] = child.textContent;
+			}
+		}
+		return result;
+	},
+
 	url: function() {
 		if (typeof this.get('id') !== 'undefined') {
 			return this.collection.url() + this.get('id');
@@ -73,7 +105,6 @@ var CommentModel = OC.Backbone.Model.extend(
 			return this.collection.url();
 		}
 	}
-
 });
 
 export default CommentModel;