Card: Only show users that are not already assigned

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

js/filters/withoutAssignedUsers.js

@@ -0,0 +1,41 @@
+/*
+ * @copyright Copyright (c) 2017 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/>.
+ *  
+ */
+
+/**
+ * Remove all assignedUsers from users list
+ */
+app.filter('withoutAssignedUsers', function ($filter) {
+	return function (users, assignedUsers) {
+		var _result = [];
+		angular.forEach(users, function (user) {
+			var _found = false;
+			angular.forEach(assignedUsers, function (assignedUser) {
+				if (assignedUser.participant.uid === user.uid) {
+					_found = true;
+				}
+			});
+			if (_found === false)
+				_result.push(user);
+		});
+		return _result;
+	};
+});