/**
* Get/load the feed.
*
* @param string url The feed url.
* @param string category An optional category; default is <code>null</code>.
* @param int limit An optional item limit; default is 5; use 0 for all.
* @return RssFedd A <code>RssFeed</code> instance.
*/
public function getFeed($url, $category = null, $limit = 5)
{
$cacheKey = Toolbox::hash('feeds', $url, implode(':', $this->config));
if (!$this->cache || false === ($rssParser = $this->cache->lookup($cacheKey))) {
$rssParser = new RssParser($this->config);
// todo: conditional GET
$rssParser->parse(file_get_contents($url, $this->config['useIncludePath'], $this->getContext()));
}
$feed = new RssFeed();
$feed->setChannel(new RssChannel($rssParser->getChannel()));
$items = array();
foreach ($rssParser->getItems() as $itemData) {
$item = new RssItem($itemData);
if (null == $category || in_array($category, $item->getCategories())) {
$items[] = $item;
}
if (0 != $limit && $limit <= count($items)) {
break;
}
}
$feed->setItems(new \ArrayIterator($items));
// cache if enabled
if ($this->cache) {
$this->cache->save($rssParser, $cacheKey);
}
return $feed;
}
/**
* Generate feed data.
*
* @param ZenMagick\Http\Request request The current request.
* @param RssFeed feed The feed.
* @return string The feed data.
*/
public function generate($request, RssFeed $feed)
{
ob_start();
$this->rssHeader($request, $feed->getChannel());
$gcCount = 0;
foreach ($feed->getItems() as $item) {
$this->rssItem($request, $item);
if (0 == ++$gcCount % 133) {
gc_collect_cycles();
}
$this->rssItem($request, $item);
}
$this->rssFooter();
return trim(ob_get_clean());
}
/**
* Generate RSS feed for all categories.
*
* @param ZenMagick\Http\Request request The current request.
* @param boolean full Indicates whether to generate a full feed or not; default is <code>false</code>.
* @return RssFeed The feed.
*/
protected function getCategoriesFeed($request, $full)
{
$settingsService = $this->container->get('settingsService');
$translator = $this->container->get('translator');
$router = $this->container->get('router');
$channel = new RssChannel();
$channel->setTitle($translator->trans('Categories at %store_name%', array('%store_name%' => $settingsService->get('storeName'))));
$channel->setLink($router->generate('index', array(), true));
$channel->setDescription($translator->trans('All categories at %store_name%', array('%store_name%' => $settingsService->get('storeName'))));
$channel->setLastBuildDate($lastPubDate);
$feed = new RssFeed();
$feed->setChannel($channel);
// set up item iterator
$languageId = $request->getSession()->getLanguageId();
$categoryService = $this->container->get('categoryService');
//TODO: $categoryService->setCache(null);
$categoryInfo = array();
foreach ($categoryService->getAllCategories($languageId) as $category) {
if ($category->isActive()) {
$categoryInfo[] = array('id' => $category->getId(), 'url' => $router->generate('category', array('cPath' => implode('_', $category->getPath()))));
}
}
$itemIterator = new CatalogCategoryRssItemIterator($categoryInfo, $languageId, $this->fullFeed);
$itemIterator->setContainer($this->container);
$feed->setItems($itemIterator);
return $feed;
}
/**
* Generate RSS feed for products.
*
* @param ZenMagick\Http\Request request The current request.
* @param string key Optional key value for various product types; supported: 'new'
* @return RssFeed The feed data.
*/
protected function getProductsFeed($request, $key = null)
{
if ('new' != $key) {
return null;
}
$toolbox = $this->container->get('toolbox');
$translator = $this->container->get('translator');
$lastPubDate = null;
$items = array();
$products = array_slice(array_reverse($this->container->get('productService')->getNewProducts()), 0, 20);
foreach ($products as $product) {
$item = new RssItem();
$item->setTitle($product->getName());
$url = $router->generate('product_info', array('productId' => $productId), true);
$item->setLink($url);
$item->setDescription($toolbox->html->more($toolbox->html->strip($product->getDescription()), 60));
$item->setPubDate($product->getDateAdded());
$items[] = $item;
if (null === $lastPubDate) {
$lastPubDate = $product->getDateAdded();
}
}
$settingsService = $this->container->get('settingsService');
$router = $this->container->get('router');
$channel = new RssChannel();
$channel->setTitle($translator->trans('New Products at %store_name%', array('%store_name%' => $settingsService->get('storeName'))));
$channel->setLink($router->generate('index', array(), true));
$channel->setDescription($translator->trans("The latest updates to %store_name%'s product list", array('%store_name%' => $settingsService->get('storeName'))));
$channel->setLastBuildDate($lastPubDate);
$feed = new RssFeed();
$feed->setChannel($channel);
$feed->setItems(new \ArrayIterator($items));
return $feed;
}
