Angular 1.4 Service Example

/// <reference path="../../../Gruntfile.js" />

'use strict';

angular.module('exmapleApp')
    .factory('WithdrawalService', function (appConstants, $http) {
        var service = {
            getAllWithdrawals: function (successHandler) {
                //returns all withdrawal history for currently logged in user
                return $http.get(appConstants.api.url + '/withdrawals/getwithdrawals')
                .success(function (res) { successHandler(res); });
            },
            postWithdrawal: function (data, fnSuccess, fnError) {
                return $http.post(appConstants.api.url + '/withdrawals/withdraw', {
                    amount: data.amount,
                    fullName: data.fullName,
                    phoneNumber: data.phoneNumber,
                    paymentMethod: data.paymentMethod,
                    paypalEmail: data.paypalEmail,
                    mailingAddress: {
                        AddressLine1: data.mailingAddress.AddressLine1,
                        AddressLine2: data.mailingAddress.AddressLine2,
                        City: data.mailingAddress.City,
                        State: data.mailingAddress.State,
                        PostalCode: data.mailingAddress.PostalCode,
                        Country: data.mailingAddress.Country,
                    }
                })
                .success(function (res) {
                    fnSuccess(res);
                }).error(function (err) {
                    fnError(err);
                });
            }
        };

        return service;
    });