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<?php
namespace Providers;
require_once('XmlFeed.php');
require_once('Item.php');
class Rss extends \Providers\XmlFeed {
protected function _getFeedUrl($feed) {
$config = json_decode(file_get_contents('../config/rss.json'), TRUE);
if (isset($config[$feed])) {
return $config[$feed];
}
return NULL;
}
protected function _getCachePath() {
return '../cache/rss.%s';
}
protected function _parseFeedContent($feed) {
$feedItems = $feed->channel->item ?: $feed->entry;
$items = [];
foreach ($feedItems as $item) {
$items[] = $item->asXML();
}
return $items;
}
protected function _mapItems($content) {
$items = [];
foreach ($content as $contentString) {
$itemString = str_replace(['content:encoded>', '<dc:', '</dc:', '<media:', '</media:'], ['content>', '<', '</', '<', '</'], $contentString);
$item = new \SimpleXMLElement($itemString);
$itemObject = new Item();
$itemObject->ID = strval($item->id ?: $item->guid);
$itemObject->Title = strval($item->title);
$itemObject->Time = strval($item->published ?: $item->pubDate);
$itemObject->Text = strval($item->summary ?: $item->description ?: $item->content);
$itemObject->Link = strval(isset($item->link['href']) ? $item->link->attributes()['href'] : $item->link);
$itemObject->Author = strval($item->creator ? $item->creator : (is_string($item->author) ? $item->author : $item->author->name));
$items[] = $itemObject;
}
return $items;
}
public function title() {
$cacheFile = sprintf($this->_getCachePath() . '.title', $this->_feed);
if (!file_exists($cacheFile)) {
$this->_fetchItems();
}
if ($this->_feedXml) {
$title = strval($this->_feedXml->title ?: $this->_feedXml->channel->title);
file_put_contents($cacheFile, $title);
return $title;
} else {
return file_get_contents($cacheFile);
}
}
}
?>
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