112 lines
2.5 KiB
JavaScript
112 lines
2.5 KiB
JavaScript
var AppDispatcher = require('../dispatcher/appDispatcher');
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var EventEmitter = require('events').EventEmitter;
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var ItemConstants = require('../constants/itemConstants');
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var ItemCollection = require('../models/itemCollection');
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var ItemWithDetails = require('../models/itemWithDetails');
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var _ = require('underscore');
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// Define initial data points
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var _items = new ItemCollection(),
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_itemWithDetails = new ItemWithDetails();
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var loadItemsForFrontpage = function() {
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items = _items
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items.setClassificationType(0);
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items.setLimit(30);
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items.setOffset(0);
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items.fetch({
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success: function() {
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ItemStore.emitChange();
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}
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});
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};
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var getItemIdFromUrl = function() {
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// ugly but it seems to me that
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// router does not want to expose its
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// state
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var url = document.URL;
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var itemIdRegex = /artikal\/(\d+)\//g;
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var match = itemIdRegex.exec(url);
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console.log(match);
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return match[1];
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};
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var fetchItemWithDetails = function() {
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var id = getItemIdFromUrl();
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if (id !== undefined && _itemWithDetails.id !== id) {
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var item = new ItemWithDetails({
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id: id
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});
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item.fetch({
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success: function() {
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_itemWithDetails = item;
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ItemStore.emitChange();
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}
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});
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}
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}
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// Extend ItemStore with EventEmitter to add eventing capabilities
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var ItemStore = _.extend({}, EventEmitter.prototype, {
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// item with details
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getLoadedItemWithDetails: function() {
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return _itemWithDetails;
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},
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// Return All Items
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getItems: function() {
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return _items;
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},
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// Emit Change event
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emitChange: function() {
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console.log("Emitting change!");
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this.emit('change');
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},
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// Add change listener
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addChangeListener: function(callback) {
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this.on('change', callback);
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},
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// Remove change listener
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removeChangeListener: function(callback) {
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this.removeListener('change', callback);
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}
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});
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// Register callback with AppDispatcher
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AppDispatcher.register(function(payload) {
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var action = payload.action;
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var text;
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switch (action.actionType) {
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case ItemConstants.LOAD_ITEM_WITH_DETAILS:
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fetchItemWithDetails();
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break;
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case ItemConstants.LOAD_FOR_FRONTPAGE:
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loadItemsForFrontpage();
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break;
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default:
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return true;
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}
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// If action was responded to, emit change event
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ItemStore.emitChange();
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return true;
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});
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module.exports = ItemStore; |