Merge pull request #12186 from owncloud/fix-12182

eliminate OC_Template::printErrorPage in database classes, fixes #12182

lib/private/db/adapter.php

@@ -43,6 +43,7 @@ class Adapter {
 	 * insert the @input values when they do not exist yet
 	 * @param string $table name
 	 * @param array $input key->value pair, key has to be sanitized properly
+	 * @throws \OC\HintException
 	 * @return int count of inserted rows
 	 */
 	public function insertIfNotExist($table, $input) {
@@ -70,8 +71,13 @@ class Adapter {
 			$entry = 'DB Error: "'.$e->getMessage() . '"<br />';
 			$entry .= 'Offending command was: ' . $query.'<br />';
 			\OC_Log::write('core', $entry, \OC_Log::FATAL);
-			error_log('DB error: ' . $entry);
-			\OC_Template::printErrorPage( $entry );
+			$l = \OC::$server->getL10N('lib');
+			throw new \OC\HintException(
+				$l->t('Database Error'),
+				$l->t('Please contact your system administrator.'),
+				0,
+				$e
+			);
 		}
 	}
 }

lib/private/db/adaptersqlite.php

@@ -41,8 +41,13 @@ class AdapterSqlite extends Adapter {
 			$entry = 'DB Error: "'.$e->getMessage() . '"<br />';
 			$entry .= 'Offending command was: ' . $query . '<br />';
 			\OC_Log::write('core', $entry, \OC_Log::FATAL);
-			error_log('DB error: '.$entry);
-			\OC_Template::printErrorPage( $entry );
+			$l = \OC::$server->getL10N('lib');
+			throw new \OC\HintException(
+				$l->t('Database Error'),
+				$l->t('Please contact your system administrator.'),
+				0,
+				$e
+			);
 		}
 
 		if ($stmt->fetchColumn() === '0') {
@@ -60,8 +65,13 @@ class AdapterSqlite extends Adapter {
 			$entry = 'DB Error: "'.$e->getMessage() . '"<br />';
 			$entry .= 'Offending command was: ' . $query.'<br />';
 			\OC_Log::write('core', $entry, \OC_Log::FATAL);
-			error_log('DB error: ' . $entry);
-			\OC_Template::printErrorPage( $entry );
+			$l = \OC::$server->getL10N('lib');
+			throw new \OC\HintException(
+				$l->t('Database Error'),
+				$l->t('Please contact your system administrator.'),
+				0,
+				$e
+			);
 		}
 
 		return $result;

lib/private/db/statementwrapper.php

@@ -64,7 +64,7 @@ class OC_DB_StatementWrapper {
 		} else {
 			$result = $this->statement->execute();
 		}
-		
+
 		if ($result === false) {
 			return false;
 		}
@@ -158,14 +158,16 @@ class OC_DB_StatementWrapper {
 			OC_Log::write('core', $entry, OC_Log::FATAL);
 			OC_User::setUserId(null);
 
-			// send http status 503
-			header('HTTP/1.1 503 Service Temporarily Unavailable');
-			header('Status: 503 Service Temporarily Unavailable');
-			OC_Template::printErrorPage('Failed to connect to database');
-			die ($entry);
+			$l = \OC::$server->getL10N('lib');
+			throw new \OC\HintException(
+				$l->t('Database Error'),
+				$l->t('Please contact your system administrator.'),
+				0,
+				$e
+			);
 		}
 	}
-    
+
 	/**
 	 * provide an alias for fetch
 	 *