1 files changed, 91 insertions, 0 deletions
diff --git a/lib/Utility/OPMLExporter.php b/lib/Utility/OPMLExporter.php
new file mode 100644
index 000000000..d786c0c6f
--- /dev/null
+++ b/lib/Utility/OPMLExporter.php
@@ -0,0 +1,91 @@
+<?php
+/**
+ * ownCloud - News
+ *
+ * This file is licensed under the Affero General Public License version 3 or
+ * later. See the COPYING file.
+ *
+ * @author Alessandro Cosentino <cosenal@gmail.com>
+ * @author Bernhard Posselt <dev@bernhard-posselt.com>
+ * @copyright Alessandro Cosentino 2012
+ * @copyright Bernhard Posselt 2012, 2014
+ */
+
+namespace OCA\News\Utility;
+
+/**
+* Exports the OPML
+*/
+class OPMLExporter {
+
+    /**
+     * Generates the OPML for the active user
+     *
+     * @param \OCA\News\Db\Folder[] $folders
+     * @param \OCA\News\Db\Feed[] $feeds
+     * @return \DomDocument the document
+     */
+    public function build($folders, $feeds){
+        $document = new \DomDocument('1.0', 'UTF-8');
+        $document->formatOutput = true;
+
+        $root = $document->createElement('opml');
+        $root->setAttribute('version', '2.0');
+
+        // head
+        $head = $document->createElement('head');
+
+        $title = $document->createElement('title', 'Subscriptions');
+        $head->appendChild($title);
+
+        $root->appendChild($head);
+
+        // body
+        $body = $document->createElement('body');
+
+        // feeds with folders
+        foreach($folders as $folder) {
+            $folderOutline = $document->createElement('outline');
+            $folderOutline->setAttribute('title', $folder->getName());
+            $folderOutline->setAttribute('text', $folder->getName());
+
+            // feeds in folders
+            foreach ($feeds as $feed) {
+                if ($feed->getFolderId() === $folder->getId()) {
+                    $feedOutline = $this->createFeedOutline($feed, $document);
+                    $folderOutline->appendChild($feedOutline);
+                }
+            }
+
+            $body->appendChild($folderOutline);
+        }
+
+        // feeds without folders
+        foreach ($feeds as $feed) {
+            if ($feed->getFolderId() === 0) {
+                $feedOutline = $this->createFeedOutline($feed, $document);
+                $body->appendChild($feedOutline);
+            }
+        }
+
+        $root->appendChild($body);
+
+        $document->appendChild($root);
+
+        return $document;
+    }
+
+
+    protected function createFeedOutline($feed, $document) {
+        $feedOutline = $document->createElement('outline');
+        $feedOutline->setAttribute('title', $feed->getTitle());
+        $feedOutline->setAttribute('text', $feed->getTitle());
+        $feedOutline->setAttribute('type', 'rss');
+        $feedOutline->setAttribute('xmlUrl', $feed->getUrl());
+        $feedOutline->setAttribute('htmlUrl', $feed->getLink());
+        return $feedOutline;
+    }
+
+
+}
+