StorageService.js

(function (angular) {

	angular.module('app').service('StorageService', [function () {

		var service = {

			setItem 	: setItem,
			getItem 	: getItem,
			removeItem 	: removeItem

		};

		return service;

		function setItem (key, value) {

			localStorage.setItem(key,JSON.stringify(value));

		}

		function getItem (key) {
			
			return JSON.parse(localStorage.getItem(key));
		
		}

		function removeItem (key) {
		
			localStorage.removeItem(key);
		
		}

	}]); 

})(angular);