gistfile1.txt

blas.queryAndGroup = function (permissions) {

      var deferred = $q.defer()

			// load accounts from backend and group by owner
			var foobar = $resource(
				'/api/accounts', {
				}, {
					query: {
						method: 'GET',
						isArray: true,
						cache: true
						}
					}
				}
			);
			
			foobar.query().then(function(datas){
			
			  //filter your data in here
			  var filtered = $filter('filtername')(arg1,arg2);
			  
			  then resolve the promise w/ the filterd data
			
			  return deferred.resolve(filtered)
			
			})
			
			//return your own promise
			return deferred;
		};