Download and Open File with ngCordova in Ionic Framework

fileService.js

(function() {
'use strict';

    angular
        .module('App')
        .factory('Files', Files);

    Files.$inject = ['$window', '$cordovaFileTransfer', '$ionicLoading', '$cordovaFileOpener2'];
    function Files($window, $cordovaFileTransfer, $ionicLoading, $cordovaFileOpener2) {
        return {
          downloadCSVFile : function(urlFile, fileName, mimeType){
            if(ionic.Platform.isWebView()){
                $ionicLoading.show({
                    template: '<ion-spinner class="spinner-energized" icon="lines"></ion-spinner>',
                    hideOnStageChange: true
                });                
                var targetPath = (cordova.file.documentsDirectory || cordova.file.externalRootDirectory) + fileName;
                $cordovaFileTransfer.download(urlFile, targetPath, {}, true).then(function(result) {
                    return $cordovaFileOpener2.open(targetPath, mimeType);
                }).then(function(){
                    
                }).catch(function(err) {
                    alert(err);
                }).finally(function(){
                    $ionicLoading.hide();
                });
            }else{
                $window.location.href = urlFile;
            }
          }
        };
    }
})();