Universal classes for XML/HTML scraping

1 files changed, 39 insertions, 0 deletions

diff --git a/providers/XmlFeed.php b/providers/XmlFeed.php
new file mode 100644
index 0000000..d5ecd1c
--- /dev/null
+++ b/providers/XmlFeed.php
@@ -0,0 +1,39 @@
+<?php
+
+namespace Providers;
+
+require_once('Provider.php');
+
+abstract class XmlFeed extends \Providers\Provider {
+
+    protected $_feedUrl;
+    protected $_feedXml;
+
+    abstract protected function _getFeedUrl($feed);
+
+    public function __construct($feed, $options=[]) {
+        parent::__construct($feed, $options);
+        $this->_feedUrl = $this->_getFeedUrl($feed);
+        if (!$this->_feedUrl) {
+            throw new Exception('XML feed "' . $feed . '" undefined');
+        }
+    }
+
+    abstract protected function _parseFeedContent($feed);
+
+    protected function _fetchItems() {
+        $this->_feedXml = new \SimpleXMLElement($this->_feedUrl, 0, TRUE);
+        return $this->_parseFeedContent($this->_feedXml);
+    }
+
+    protected function _spamFilter($content) {
+        return $content;
+    }
+
+    protected function _sortContent($content) {
+        return $content;
+    }
+
+}
+
+?>