denniss17/pimatic-angular-material-frontend

angular.module('pimaticApp.services').factory('utils', [
    'store',
    function (store) {
        return {
            /**
             * Get a list of ids of devices which are not in a group
             * @return array An array containing the ids of the devices which are not in a group
             */
            getUngroupedDeviceIds: function () {
                var groups = store.get('groups');
                var devices = store.get('devices');
                var ungrouped = [];

                // First add all ids
                angular.forEach(devices, function (value) {
                    ungrouped.push(value.id);
                });

                // Remove ids of devices which are in a group
                angular.forEach(groups, function (group) {
                    angular.forEach(group.devices, function (deviceId) {
                        var index = ungrouped.indexOf(deviceId);
                        if (index >= 0) {
                            ungrouped.splice(index, 1);
                        }
                    });
                });

                // Return the result
                return ungrouped;
            }
        };
    }
]);