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var JarrDispatcher = require('../dispatcher/JarrDispatcher');
var ActionTypes = require('../constants/JarrConstants');
var EventEmitter = require('events').EventEmitter;
var CHANGE_EVENT = 'change_menu';
var assign = require('object-assign');
var MenuStore = assign({}, EventEmitter.prototype, {
_datas: {filter: 'all', categories: [], active_type: null, active_id: null,
all_unread_count: 0, feed_in_error: false},
getAll: function() {
return this._datas;
},
setFilter: function(value) {
if(this._datas.filter != value) {
this._datas.filter = value;
this.emitChange();
}
},
setActive: function(type, value) {
if(this._datas.active_id != value || this._datas.active_type != type) {
this._datas.active_type = type;
this._datas.active_id = 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 ActionTypes.RELOAD_MENU:
MenuStore._datas['categories'] = action.categories;
MenuStore._datas['feed_in_error'] = action.feed_in_error;
MenuStore._datas['all_unread_count'] = action.all_unread_count;
MenuStore.emitChange();
break;
case ActionTypes.PARENT_FILTER:
MenuStore.setActive(action.filter_type, action.filter_id);
break;
case ActionTypes.MENU_FILTER:
MenuStore.setFilter(action.filter);
break;
case ActionTypes.MENU_FILTER:
MenuStore.setFilter(action.filter);
break;
case ActionTypes.MENU_FILTER:
MenuStore.setFilter(action.filter);
break;
case ActionTypes.CHANGE_ATTR:
if(action.attribute != 'read') {
return;
}
for(var i in MenuStore._datas.categories) {
if(MenuStore._datas.categories[i].id == action.category_id) {
for(var j in MenuStore._datas.categories[i].feeds) {
if(MenuStore._datas.categories[i].feeds[j].id == action.feed_id) {
if(action.value) {
MenuStore._datas.categories[i].feeds[j].unread -= 1;
} else {
MenuStore._datas.categories[i].feeds[j].unread += 1;
}
}
}
if(action.value) {
MenuStore._datas.categories[i].unread -= 1;
} else {
MenuStore._datas.categories[i].unread += 1;
}
MenuStore.emitChange();
break;
}
}
break;
default:
// do nothing
}
});
module.exports = MenuStore;
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