especificos-videos/front/controllers/jobsCtrl.js

app.controller('jobsCtrl', function ($scope, $http,$interval) {
	var promise;
	$scope.update = function() {
		$http.get('back/list/jobs').success(function(data) {
	   		$scope.working  = data.working;
		});
	};

	$scope.update();
	promise = $interval($scope.update, 3500);

	$scope.stop = function() {
		$interval.cancel(promise);
	};

	$scope.$on('$destroy', function() {
		$scope.stop();
	});
});