// Generated by CoffeeScript 1.6.3
/*

ownCloud - News

@author Bernhard Posselt
@copyright 2012 Bernhard Posselt dev@bernhard-posselt.com

This library is free software; you can redistribute it and/or
modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
License as published by the Free Software Foundation; either
version 3 of the License, or any later version.

This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU AFFERO GENERAL PUBLIC LICENSE for more details.

You should have received a copy of the GNU Affero General Public
License along with this library.  If not, see <http://www.gnu.org/licenses/>.
*/


(function() {
  angular.module('News').factory('ItemBusinessLayer', [
    'ItemModel', 'FeedModel', 'Persistence', 'ActiveFeed', 'FeedType', 'StarredBusinessLayer', 'NewestItem', function(ItemModel, FeedModel, Persistence, ActiveFeed, FeedType, StarredBusinessLayer, NewestItem) {
      var ItemBusinessLayer;
      ItemBusinessLayer = (function() {
        function ItemBusinessLayer(_itemModel, _feedModel, _persistence, _activeFeed, _feedType, _starredBusinessLayer, _newestItem) {
          this._itemModel = _itemModel;
          this._feedModel = _feedModel;
          this._persistence = _persistence;
          this._activeFeed = _activeFeed;
          this._feedType = _feedType;
          this._starredBusinessLayer = _starredBusinessLayer;
          this._newestItem = _newestItem;
        }

        ItemBusinessLayer.prototype.getAll = function() {
          return this._itemModel.getAll();
        };

        ItemBusinessLayer.prototype.noFeedActive = function() {
          return this._activeFeed.getType() !== this._feedType.Feed;
        };

        ItemBusinessLayer.prototype.isKeptUnread = function(itemId) {
          var item;
          item = this._itemModel.getById(itemId);
          if (angular.isDefined(item) && angular.isDefined(item.keptUnread)) {
            return item.keptUnread;
          }
          return false;
        };

        ItemBusinessLayer.prototype.toggleKeepUnread = function(itemId) {
          var item;
          item = this._itemModel.getById(itemId);
          if (angular.isDefined(item) && !item.keptUnread) {
            item.keptUnread = true;
            if (item.isRead()) {
              return this.setUnread(itemId);
            }
          } else {
            return item.keptUnread = false;
          }
        };

        ItemBusinessLayer.prototype.toggleStarred = function(itemId) {
          var item;
          item = this._itemModel.getById(itemId);
          if (item.isStarred()) {
            item.setUnstarred();
            this._starredBusinessLayer.decreaseCount();
            return this._persistence.unstarItem(item.feedId, item.guidHash);
          } else {
            item.setStarred();
            this._starredBusinessLayer.increaseCount();
            return this._persistence.starItem(item.feedId, item.guidHash);
          }
        };

        ItemBusinessLayer.prototype.setRead = function(itemId) {
          var feed, item, keptUnread;
          item = this._itemModel.getById(itemId);
          if (angular.isDefined(item)) {
            keptUnread = angular.isDefined(item.keptUnread) && item.keptUnread;
            if (!(item.isRead() || keptUnread)) {
              item.setRead();
              this._persistence.readItem(itemId);
              feed = this._feedModel.getById(item.feedId);
              if (angular.isDefined(feed)) {
                return feed.unreadCount -= 1;
              }
            }
          }
        };

        ItemBusinessLayer.prototype.setUnread = function(itemId) {
          var feed, item;
          item = this._itemModel.getById(itemId);
          if (angular.isDefined(item)) {
            if (item.isRead()) {
              item.setUnread();
              this._persistence.unreadItem(itemId);
              feed = this._feedModel.getById(item.feedId);
              if (angular.isDefined(feed)) {
                return feed.unreadCount += 1;
              }
            }
          }
        };

        ItemBusinessLayer.prototype.getFeedTitle = function(itemId) {
          var feed, item;
          item = this._itemModel.getById(itemId);
          if (angular.isDefined(item)) {
            feed = this._feedModel.getById(item.feedId);
            if (angular.isDefined(feed)) {
              return feed.title;
            }
          }
        };

        ItemBusinessLayer.prototype.loadNext = function(callback) {
          var lowestItemId;
          lowestItemId = this._itemModel.getLowestId();
          if (lowestItemId !== 0) {
            return this._persistence.getItems(this._activeFeed.getType(), this._activeFeed.getId(), lowestItemId, callback);
          } else {
            return callback();
          }
        };

        ItemBusinessLayer.prototype.loadNew = function() {};

        return ItemBusinessLayer;

      })();
      return new ItemBusinessLayer(ItemModel, FeedModel, Persistence, ActiveFeed, FeedType, StarredBusinessLayer, NewestItem);
    }
  ]);

}).call(this);