Fix bookmarks app to work with postgresql.

Rework the bookmark app to manage postgresql.
Add a fetchOne function into the PdoStmtWrapper
Fix a tipo in comments.

apps/bookmarks/ajax/addBookmark.php

@@ -33,6 +33,8 @@ OC_JSON::checkAppEnabled('bookmarks');
 $CONFIG_DBTYPE = OC_Config::getValue( "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()";
 }
@@ -51,7 +53,15 @@ $params=array(
 	OC_User::getUser()
 	);
 $query->execute($params);
-$b_id = OC_DB::insertid();
+
+if($CONFIG_DBTYPE == 'pgsql')
+{
+	$query = OC_DB::prepare("SELECT currval('*PREFIX*bookmarks_id_seq')");
+	$b_id = $query->execute()->fetchOne();
+} else {
+	$b_id = OC_DB::insertid();
+}
+
 
 if($b_id !== false) {
 	$query = OC_DB::prepare("

apps/bookmarks/ajax/editBookmark.php

@@ -33,6 +33,8 @@ OC_JSON::checkAppEnabled('bookmarks');
 $CONFIG_DBTYPE = OC_Config::getValue( "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()";
 }

apps/bookmarks/ajax/updateList.php

@@ -38,6 +38,9 @@ $filterTag = isset($_GET['tag']) ? '%' . htmlspecialchars_decode($_GET['tag']) .
 if($filterTag){
 	$sqlFilterTag = 'HAVING tags LIKE ?';
 	$params[] = $filterTag;
+	if($CONFIG_DBTYPE == 'pgsql' ) {
+		$sqlFilterTag = 'HAVING array_to_string(array_agg(tag), \' \')  LIKE ?';
+	}
 } else {
 	$sqlFilterTag = '';
 }
@@ -58,26 +61,40 @@ if( $CONFIG_DBTYPE == 'sqlite' or $CONFIG_DBTYPE == 'sqlite3' ){
 	$_gc_separator = 'SEPARATOR \' \'';
 }
 
-$query = OC_DB::prepare('
+if($CONFIG_DBTYPE == 'pgsql' ){
-	SELECT id, url, title, 
+	$query = OC_DB::prepare('
-	CASE WHEN *PREFIX*bookmarks.id = *PREFIX*bookmarks_tags.bookmark_id
+		SELECT id, url, title, array_to_string(array_agg(tag), \' \') as tags
-			THEN GROUP_CONCAT( tag ' .$_gc_separator. ' )
+		FROM *PREFIX*bookmarks
-			ELSE \' \'
+		LEFT JOIN *PREFIX*bookmarks_tags ON *PREFIX*bookmarks.id = *PREFIX*bookmarks_tags.bookmark_id 
-		END
+		WHERE 
-		AS tags
+			*PREFIX*bookmarks.user_id = ?
-	FROM *PREFIX*bookmarks
+		GROUP BY id, url, title
-	LEFT JOIN *PREFIX*bookmarks_tags ON 1=1
+		'.$sqlFilterTag.'
-	WHERE (*PREFIX*bookmarks.id = *PREFIX*bookmarks_tags.bookmark_id 
+		ORDER BY *PREFIX*bookmarks.'.$sqlSort.' 
-			OR *PREFIX*bookmarks.id NOT IN (
+		LIMIT 10
-				SELECT *PREFIX*bookmarks_tags.bookmark_id FROM *PREFIX*bookmarks_tags
+		OFFSET ?');
+} else {
+	$query = OC_DB::prepare('
+		SELECT id, url, title, 
+		CASE WHEN *PREFIX*bookmarks.id = *PREFIX*bookmarks_tags.bookmark_id
+				THEN GROUP_CONCAT( tag ' .$_gc_separator. ' )
+				ELSE \' \'
+			END
+			AS tags
+		FROM *PREFIX*bookmarks
+		LEFT JOIN *PREFIX*bookmarks_tags ON 1=1
+		WHERE (*PREFIX*bookmarks.id = *PREFIX*bookmarks_tags.bookmark_id 
+				OR *PREFIX*bookmarks.id NOT IN (
+					SELECT *PREFIX*bookmarks_tags.bookmark_id FROM *PREFIX*bookmarks_tags
+				)
 			)
-		)
+			AND *PREFIX*bookmarks.user_id = ?
-		AND *PREFIX*bookmarks.user_id = ?
+		GROUP BY url
-	GROUP BY url
+		'.$sqlFilterTag.'
-	'.$sqlFilterTag.'
+		ORDER BY *PREFIX*bookmarks.'.$sqlSort.' 
-	ORDER BY *PREFIX*bookmarks.'.$sqlSort.' 
+		LIMIT ?,  10');
-	LIMIT ?,  10');
+}
-	
+
 $bookmarks = $query->execute($params)->fetchAll();
 
 OC_JSON::success(array('data' => $bookmarks));

lib/db.php

@@ -28,7 +28,7 @@ class OC_DB {
 	const BACKEND_PDO=0;
 	const BACKEND_MDB2=1;
 	
-	static private $connection; //the prefered conenction to use, either PDO or MDB2
+	static private $connection; //the prefered connection to use, either PDO or MDB2
 	static private $backend=null;
 	static private $MDB2=false;
 	static private $PDO=false;
@@ -480,4 +480,13 @@ class PDOStatementWrapper{
 	public function __call($name,$arguments){
 		return call_user_func_array(array($this->statement,$name),$arguments);
 	}
+	
+	/**
+	 * Provide a simple fetchOne.
+	 * fetch single column from the next row
+	 * @param int $colnum the column number to fetch
+	 */
+	public function fetchOne($colnum = 0){
+		return $this->statement->fetchColumn($colnum);
+	}
 }