decoupled fetcher and database mapper

1 files changed, 114 insertions, 0 deletions

diff --git a/lib/foldermapper.php b/lib/foldermapper.php
new file mode 100644
index 000000000..23ced832c
--- /dev/null
+++ b/lib/foldermapper.php
@@ -0,0 +1,114 @@
+<?php
+/**
+* ownCloud - News app
+*
+* @author Alessandro Cosentino
+* @copyright 2012 Alessandro Cosentino cosenal@gmail.com
+* 
+* This library is free software; you can redistribute it and/or
+* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
+* License as published by the Free Software Foundation; either 
+* version 3 of the License, or any later version.
+* 
+* This library is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU AFFERO GENERAL PUBLIC LICENSE for more details.
+*  
+* You should have received a copy of the GNU Lesser General Public 
+* License along with this library.  If not, see <http://www.gnu.org/licenses/>.
+* 
+*/
+
+/**
+ * This class maps a feed to an entry in the feeds table of the database.
+ */
+class OC_News_FolderMapper {
+
+	const tableName = '*PREFIX*news_folders';
+
+	/**
+	 * @brief Retrieve a feed from the database
+	 * @param id The id of the feed in the database table.
+	 * @returns  
+	 */
+	public function find($id){
+		$stmt = OCP\DB::prepare('SELECT * FROM ' . self::tableName . ' WHERE id = ?');
+		$result = $stmt->execute(array($id));
+		$row = $result->fetchRow();
+		$url = $row['url'];
+		$title = $row['title'];
+		$feed = new OC_News_Feed($url, $title, null, $id);
+		return $feed;
+	}
+
+	/**
+	 * @brief Retrieve a feed and all its items from the database
+	 * @param id The id of the feed in the database table.
+	 * @returns 
+	 */
+	public function findWithItems($id){
+		$stmt = OCP\DB::prepare('SELECT * FROM ' . self::tableName . ' WHERE id = ?');
+		$result = $stmt->execute(array($id));
+		$row = $result->fetchRow();
+		$url = $row['url'];
+		$title = $row['title'];
+		$feed = new OC_News_Feed($url, $title, null,$id);
+
+		$itemMapper = new OC_News_ItemMapper($feed);
+		$items = $itemMapper->findAll();
+		$feed->setItems($items);
+		
+		return $feed;
+	}
+
+	/**
+	 * @brief Save the feed and all its items into the database
+	 * @param feed the feed to be saved
+	 * @returns The id of the feed in the database table.
+	 */
+	public function insert(OC_News_Feed $feed){
+		$CONFIG_DBTYPE = OCP\Config::getSystemValue( "dbtype", "sqlite" );
+		if( $CONFIG_DBTYPE == 'sqlite' or $CONFIG_DBTYPE == 'sqlite3' ){
+			$_ut = "strftime('%s','now')";
+		} elseif($CONFIG_DBTYPE == 'pgsql') {
+			$_ut = 'date_part(\'epoch\',now())::integer';
+		} else {
+			$_ut = "UNIX_TIMESTAMP()";
+		}
+		
+		//FIXME: Detect when user adds a known feed
+		//FIXME: specify folder where you want to add
+		$query = OCP\DB::prepare('
+			INSERT INTO ' . self::tableName .
+			'(url, title, added, lastmodified)
+			VALUES (?, ?, $_ut, $_ut)
+			');
+		
+		$title = $feed->getTitle();
+
+		if(empty($title)) {
+			$l = OC_L10N::get('news');
+			$title = $l->t('no title');
+		}
+
+		$params=array(
+		htmlspecialchars_decode($feed->getUrl()),
+		htmlspecialchars_decode($title)
+		
+		//FIXME: user_id is going to move to the folder properties
+		//OCP\USER::getUser()
+		);
+		$query->execute($params);
+		
+		$feedid = OCP\DB::insertid(self::tableName);
+		$feed->setId($feedid);
+
+		$itemMapper = new OC_News_ItemMapper($feed);
+		
+		$items = $feed->getItems();
+		foreach($items as $item){
+			$itemMapper->insert($item);
+		}
+		return $feedid;
+	}