provider-keystore.js

/*global angular*/
angular.module('provider.keystore', [
  
])
.provider('Keystore', function () {

  var retrieveKey, saveKey, removeKey, clearData, $cookies;

  if (typeof window.localStorage !== 'undefined' && window.localStorage) {

    console.log('initialized local storage');
    
    removeKey = function (key) {
      localStorage.removeItem(key);
    };
    
    clearData = function () {
      localStorage.clear();
    };
    
    retrieveKey = function (key, default_value) {
      
      var value = window.localStorage.getItem(key);
      
      if (value) {
        return value;
      }
      
      return default_value;

    };

    saveKey = function (key, value) {
      
      window.localStorage.setItem(key, value);

    };

  } else {
    
    console.log('initialized cookie storage');
    
    removeKey = function (key) {
      $cookies.remove(key);
    };
    
    clearData = function () {

      var cookies = $cookies.getAll();
      angular.forEach(cookies, function (v, k) {
        $cookies.remove(k);
      });
      
    };
    
    retrieveKey = function (key, default_value) {

      var value = $cookies.get(key);

      if (value) {
        return value;
      }

      return default_value;

    };

    saveKey = function (key, value) {

      $cookies.put(key, value);

    };

  }

  return {
    setup: function (cookies) {
      this.$cookies = cookies;
    },
    retrieveKey: retrieveKey,
    saveKey: saveKey,
    clearData: clearData,
    $get: function () {
      return {
        retrieveKey: retrieveKey,
        saveKey: saveKey,
        removeKey: removeKey,
        clearData: clearData
      };
    }
  };

});