/**
* Triggers the database backup including all DML and DDL and writes it out to a file.
*
* @param string $backupFileName An alternate file name for the backup file.
*
* @return string The path to the database backup file.
*/
public function run($backupFileName = '')
{
// Normalize the ignored table names if there is a table prefix set.
if (($tablePrefix = craft()->config->get('tablePrefix', ConfigFile::Db)) !== '') {
foreach ($this->_ignoreDataTables as $key => $tableName) {
$this->_ignoreDataTables[$key] = $tablePrefix . '_' . $tableName;
}
}
$this->_currentVersion = 'v' . craft()->getVersion() . '.' . craft()->getBuild();
$fileName = $backupFileName !== '' ? IOHelper::cleanFilename($backupFileName) : IOHelper::cleanFilename(craft()->getSiteName()) . '_' . gmdate('ymd_His') . '_' . $this->_currentVersion . '.sql';
$this->_filePath = craft()->path->getDbBackupPath() . StringHelper::toLowerCase($fileName);
// Clear the file before beginning this backup. If you lose data, that's your problem!
if (IOHelper::fileExists($this->_filePath)) {
IOHelper::clearFile($this->_filePath);
}
$this->_processHeader();
foreach (craft()->db->getSchema()->getTables() as $resultName => $val) {
$this->_processResult($resultName);
}
$this->_processConstraints();
$this->_processFooter();
return $this->_filePath;
}
/**
* @return bool
*/
public function clear()
{
if (!IOHelper::clearFile($this->getRealPath())) {
return false;
}
return true;
}
