ekonstantinidis/trevor

var services = angular.module('services.favourites', []);

services.factory('FavouritesService', function ($window) {

  var service = {

    favourites: [],

    getFavourites: function () {
      return service.favourites;
    },

    isFavourite: function (slug) {
      var found = false;
      angular.forEach(service.favourites, function(value, key) {
        if (value.slug == slug && !found) {
          found = true;
        }
      });
      return found;
    },

    resaveFavourites: function () {
      $window.localStorage.favouritesv2 = angular.toJson(service.favourites);
    },

    addFavourite: function (slug, isPro) {
      var favourite = {
        slug: slug,
        isPro: isPro
      };

      service.favourites.push(favourite);
      service.resaveFavourites();

      // Analytics Tracking
      if (typeof analytics !== 'undefined') {
        analytics.trackEvent('Favourites', 'Added Favourite', '');
      }
    },

    removeFavourite: function (slug) {
      angular.forEach(service.favourites, function(value, key) {
        if (value.slug == slug) {
          service.favourites.splice(key, 1);
        }
      });

      service.resaveFavourites();

      // Analytics Tracking
      if (typeof analytics !== 'undefined') {
        analytics.trackEvent('Favourites', 'Removed Favourite', '');
      }
    },

    loadFavourites: function () {
      var data = angular.fromJson($window.localStorage.favouritesv2);
      angular.forEach(data, function(value, key) {
        service.favourites.push(value);
      });
    },

    removeAll: function () {
      delete $window.localStorage.favouritesv2;
      service.favourites = [];
    }

  };

  return service;
});