register hooks for deleting feeds, folders and items if a user is deleted, fix #468

3 files changed, 36 insertions, 0 deletions

diff --git a/db/feedmapper.php b/db/feedmapper.php
index 60f9abefa..23b6da5d6 100644
--- a/db/feedmapper.php
+++ b/db/feedmapper.php
@@ -198,4 +198,15 @@ class FeedMapper extends Mapper implements IMapper {
 	}
 
 
+	/**
+	 * Deletes all feeds of a user, delete items first since the user_id
+	 * is not defined in there
+	 * @param string $userId the name of the user
+	 */
+	public function deleteUser($userId) {
+		$sql = 'DELETE FROM `*PREFIX*news_feeds` WHERE `user_id` = ?';
+		$this->execute($sql, array($userId));
+	}
+
+
 }
diff --git a/db/foldermapper.php b/db/foldermapper.php
index 8f6c32cde..2abe89b29 100644
--- a/db/foldermapper.php
+++ b/db/foldermapper.php
@@ -127,5 +127,14 @@ class FolderMapper extends Mapper implements IMapper {
 	}
 
 
+	/**
+	 * Deletes all folders of a user
+	 * @param string $userId the name of the user
+	 */
+	public function deleteUser($userId) {
+		$sql = 'DELETE FROM `*PREFIX*news_folders` WHERE `user_id` = ?';
+		$this->execute($sql, array($userId));
+	}
+
 
 }
\ No newline at end of file
diff --git a/db/itemmapper.php b/db/itemmapper.php
index 1ec283826..5b2ab5346 100644
--- a/db/itemmapper.php
+++ b/db/itemmapper.php
@@ -300,4 +300,20 @@ class ItemMapper extends Mapper implements IMapper {
 		return (int) $result['max_id'];
 	}
 
+
+	/**
+	 * Deletes all items of a user
+	 * @param string $userId the name of the user
+	 */
+	public function deleteUser($userId) {
+		$sql = 'DELETE FROM `*PREFIX*news_items` `items` ' . 
+			'WHERE `items`.`feed_id` IN (' .
+				'SELECT `feeds`.`id` FROM `*PREFIX*news_feeds` `feeds` ' .
+					'WHERE `feeds`.`user_id` = ?' .
+				')';
+
+		$this->execute($sql, array($userId));
+	}
+
+
 }