Resolve complicated data for controller. AngularJS.

resolver.js

currentNgModule.factory("Service1", function($log, $q, $timeout){
   return function() {
       var deferred = $q.defer();
       $timeout(function(){
           $log.debug("In Service1");
           deferred.resolve("Service1");
       },1000);
       return deferred.promise;
   }
});

currentNgModule.factory("Service2", function($log, $q, $timeout){
   return function() {
       var deferred = $q.defer();
       $timeout(function(){
           $log.debug("In Service2");
           deferred.resolve("Service2");
       },2000);
       return deferred.promise;
   }
});

currentNgModule.factory("MiltiService", function($log, $q, Service1, Service2) {
    return $q.all([Service1(),Service2()]);
});

currentNgModule.factory("ControllerResolver", function($log, $q, MiltiService, Service1, Service2) {
    return $q.all([
        MiltiService,
        Service1() // Chain unit 1
            .then(function (data) {
                $log.debug("In Service1 then", data);
                return Service2(); // return promise  // Chain unit 2
            }).then(function (data) {
                $log.debug("In Service2 then", data);
                return Service1(); // return promise  // Chain unit 2
            }),
        Service2().then(function (data) {
                $log.debug("In Service2 2 then", data);
                return data; // Return Data into q.all the function
            })
    ]).then(function (data) {
        $log.debug("In q.all then", data)
    })
});