callback data from servicenot returning back to controller angularjs

Question

find my below code for delete function its deleting in backend and returning success message to service from that not returning to controller ,so was unable to print growl message.

This is my controller side code:

$scope.deleteBlogswithid = function(id) {
                                  var loggedInUserId = $rootScope.loggedInUser.id;

                                  if ($rootScope.loggedInUser != null) {


                                    blogService.deleteBlog(id, loggedInUserId,function(data) {
                                        if(data == 'success'){

                                                $location.path("/home");
                                        $growl.box('Blog has been deleted', {  
                                            class : 'danger',
                                            sticky : false,
                                            timeout : 5000
                                        }).open();
                                        }
                                            })
                                } else {
                                    $growl.box('Please login to delete the blog', {  
                                                class : 'danger',
                                                sticky : false,
                                                timeout : 5000
                                            }).open();
                                }

                            }

service.js:

blogbeatsApp.service('blogService', function(httpService) {
    this.deleteBlog = function(id,loggedInUserId,data, callback) {
        var url = 'blog/delete/' +id + "/" + loggedInUserId;
        httpService.postRequest(url,data, callback);
    };
});

httpService.js:this is my httpservice

blogbeatsApp.service('httpService', function($http, $location, $rootScope){
    this.postRequest = function(url, data, contentType, callback){
        $http({
            method : 'POST',
            url : url,
            data : data,
            headers : {
                'Content-Type' : contentType
            }
        }).success(function(data) {
            callback(data);
        }).error(function(data, status, headers, config) {

        });
    };

i am not getting success message to controller in function(data).please help

You does not pass parameter in correct order. httpService.postRequest(url,data, callback); your callback is 3rd parameter of postRequest. Which is bind with function(url, data, contentType, callback) - contentType since its your 3rd parameter. use this in your httpService this.postRequest = function(url, data,callback, contentType) callback must be 3rd parameter — gaurav bhavsar
– gaurav bhavsar, Commented Sep 9, 2015 at 7:31

gaurav bhavsar · Accepted Answer · 2015-09-09 07:35:01Z

As I say in comments.

You does not pass parameter in correct order.

your callback is 3rd parameter of postRequest. Which is bind with function(url, data, contentType, callback) - contentType.

Since, its your 3rd parameter use this in your httpService as this.postRequest = function(url, data,callback, contentType)

callback must be 3rd parameter

change httpSerivce :

blogbeatsApp.service('httpService', function($http, $location, $rootScope){
this.postRequest = function(url, data, contentType, callback){
    $http({
        method : 'POST',
        url : url,
        data : data,
        headers : {
            'Content-Type' : contentType
        }
    }).success(function(data) {
        callback(data);
    }).error(function(data, status, headers, config) {

    });
};

To :

blogbeatsApp.service('httpService', function($http, $location, $rootScope){
this.postRequest = function(url, data, callback, contentType){
    // callback should be as 3rd parameter. 
    $http({
        method : 'POST',
        url : url,
        data : data,
        headers : {
            'Content-Type' : contentType
        }
    }).success(function(data) {
        callback(data);
    }).error(function(data, status, headers, config) {

    });
};

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