* RSS-to-RSS converter for "broken" feeds

1 files changed, 69 insertions, 0 deletions

diff --git a/providers/Rss.php b/providers/Rss.php
new file mode 100644
index 0000000..6fdae6c
--- /dev/null
+++ b/providers/Rss.php
@@ -0,0 +1,69 @@
+<?php
+
+namespace Providers;
+
+require_once('Provider.php');
+require_once('Item.php');
+
+class Rss extends \Providers\Provider {
+
+    protected $_cacheTimeout = '1 second';
+
+    private $_feedUrl;
+    private $_feedXml;
+
+    public function __construct($feed, $options=[]) {
+        parent::__construct($feed, $options);
+        $config = json_decode(file_get_contents('../config/rss.json'), TRUE);
+        if (isset($config[$feed])) {
+            $this->_feedUrl = $config[$feed];
+        } else {
+            throw new Exception('RSS feed "' . $feed . '" undefined');
+        }
+    }
+
+    protected function _getCachePath() {
+        return '../cache/rss.%s';
+    }
+
+    protected function _fetchItems() {
+        $this->_feedXml = new \SimpleXMLElement($this->_feedUrl, 0, TRUE);
+        $feedItems = $this->_feedXml->channel->item ?: $this->_feedXml->entry;
+        $items = [];
+        foreach ($feedItems as $item) {
+            $items[] = $item->asXML();
+        }
+        return $items;
+    }
+
+    protected function _mapItems($content) {
+        $items = [];
+        foreach ($content as $contentString) {
+            $item = new \SimpleXMLElement($contentString);
+            $itemObject = new Item();
+            $itemObject->ID = strval($item->id ?: $item->guid);
+            $itemObject->Title = strval($item->title);
+            $itemObject->Time = strval($item->updated ?: $item->pubDate);
+            $itemObject->Text = strval($item->summary ?: $item->description);
+            $itemObject->Link = strval(is_string($item->link) ? $item->link : $item->link->attributes()['href']);
+            $itemObject->Author = strval(is_string($item->author) ? $item->author : $item->author->name);
+            $items[] = $itemObject;
+        }
+        return $items;
+    }
+
+    protected function _spamFilter($content) {
+        return $content;
+    }
+
+    protected function _sortContent($content) {
+        return $content;
+    }
+
+    public function title() {
+        return strval($this->_feedXml->title ?: $this->_feedXml->channel->title);
+    }
+
+}
+
+?>