Make the type parameter of pkgreq_by_pkgbase() optional

This simplifies the code a bit, improves maintainability and reduces the
number of SQL queries when deleting a package.
Signed-off-by: Lukas Fleischer <lfleischer@archlinux.org>

web/lib/pkgbasefuncs.inc.php

@@ -513,10 +513,7 @@ function pkgbase_delete ($base_ids, $merge_base_id, $via, $grant=false) {
 	if (!$action) {
 		$username = username_from_sid($_COOKIE['AURSID']);
 		foreach ($base_ids as $base_id) {
-			$pkgreq_ids = array_merge(
-				pkgreq_by_pkgbase($base_id, 'deletion'),
-				pkgreq_by_pkgbase($base_id, 'merge'),
-				pkgreq_by_pkgbase($base_id, 'orphan'));
+			$pkgreq_ids = array_merge(pkgreq_by_pkgbase($base_id));
 			foreach ($pkgreq_ids as $pkgreq_id) {
 				pkgreq_close(intval($pkgreq_id), 'accepted',
 					'The user ' .  $username .

web/lib/pkgreqfuncs.inc.php

@@ -49,15 +49,18 @@ function pkgreq_list($offset, $limit) {
  *
  * @return array List of package request IDs
  */
-function pkgreq_by_pkgbase($baseid, $type) {
+function pkgreq_by_pkgbase($baseid, $type=false) {
 	$dbh = DB::connect();
 
 	$q = "SELECT PackageRequests.ID ";
 	$q.= "FROM PackageRequests INNER JOIN RequestTypes ON ";
 	$q.= "RequestTypes.ID = PackageRequests.ReqTypeID ";
 	$q.= "WHERE PackageRequests.Status = 0 ";
-	$q.= "AND PackageRequests.PackageBaseID = " . intval($baseid) . " ";
-	$q.= "AND RequestTypes.Name = " . $dbh->quote($type);
+	$q.= "AND PackageRequests.PackageBaseID = " . intval($baseid);
+
+	if ($type) {
+		$q .= " AND RequestTypes.Name = " . $dbh->quote($type);
+	}
 
 	return $dbh->query($q)->fetchAll(PDO::FETCH_COLUMN, 0);
 }