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var JarrDispatcher = require('../dispatcher/JarrDispatcher');
var MenuActionTypes = require('../constants/JarrConstants').MenuActionTypes;
var EventEmitter = require('events').EventEmitter;
var CHANGE_EVENT = 'change_menu';
var assign = require('object-assign');
var MenuStore = assign({}, EventEmitter.prototype, {
_datas: {filter: 'all', categories: [], all_unread_count: 0},
getAll: function() {
return this._datas;
},
setFilter: function(value) {
if(this._datas.filter != value) {
this._datas.filter = value;
this.emitChange();
}
},
readFeedArticle: function(feed_id) {
// TODO
},
emitChange: function() {
this.emit(CHANGE_EVENT);
},
addChangeListener: function(callback) {
this.on(CHANGE_EVENT, callback);
},
removeChangeListener: function(callback) {
this.removeListener(CHANGE_EVENT, callback);
},
});
MenuStore.dispatchToken = JarrDispatcher.register(function(action) {
switch(action.type) {
case MenuActionTypes.RELOAD_MENU:
MenuStore._datas['categories'] = action.categories;
MenuStore._datas['all_unread_count'] = action.all_unread_count;
MenuStore.emitChange();
break;
case MenuActionTypes.MENU_FILTER_ALL:
MenuStore.setFilter('all');
break;
case MenuActionTypes.MENU_FILTER_UNREAD:
MenuStore.setFilter('unread');
break;
case MenuActionTypes.MENU_FILTER_ERROR:
MenuStore.setFilter('error');
break;
default:
// do nothing
}
});
module.exports = MenuStore;
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