/**
* {@inheritdoc}
*/
public function run()
{
$new_path = $this->update_helper->get_path_to_new_update_files();
$file_update_info = $this->installer_config->get('update_files', array());
$update_type_progress = $this->installer_config->get('file_updater_type_progress', '');
$update_elem_progress = $this->installer_config->get('file_updater_elem_progress', '');
$type_progress_found = false;
$elem_progress_found = false;
// Progress bar
$task_count = 0;
foreach ($file_update_info as $sub_array) {
$task_count += count($sub_array);
}
// Everything is up to date, so just continue
if ($task_count === 0) {
return;
}
$progress_count = $this->installer_config->get('file_update_progress_count', 0);
$this->iohandler->set_task_count($task_count, true);
$this->iohandler->set_progress('UPDATE_UPDATING_FILES', 0);
$this->file_updater = $this->get_file_updater();
// File updater fallback logic
try {
// Update files
foreach ($file_update_info as $type => $file_update_vector) {
if (!$type_progress_found) {
if ($type === $update_type_progress || empty($update_elem_progress)) {
$type_progress_found = true;
} else {
continue;
}
}
foreach ($file_update_vector as $path) {
if (!$elem_progress_found) {
if ($path === $update_elem_progress || empty($update_elem_progress)) {
$elem_progress_found = true;
} else {
continue;
}
}
switch ($type) {
case 'delete':
$this->file_updater->delete_file($path);
break;
case 'new':
$this->file_updater->create_new_file($path, $new_path . $path);
break;
case 'update_without_diff':
$this->file_updater->update_file($path, $new_path . $path);
break;
case 'update_with_diff':
$this->file_updater->update_file($path, $this->cache->get('_file_' . md5($path)), true);
break;
}
// Save progress
$this->installer_config->set('file_updater_type_progress', $type);
$this->installer_config->set('file_updater_elem_progress', $path);
$progress_count++;
$this->iohandler->set_progress('UPDATE_UPDATING_FILES', $progress_count);
if ($this->installer_config->get_time_remaining() <= 0 || $this->installer_config->get_memory_remaining() <= 0) {
// Request refresh
throw new resource_limit_reached_exception();
}
}
}
$this->iohandler->finish_progress('UPDATE_UPDATING_FILES');
} catch (runtime_exception $e) {
if ($e instanceof resource_limit_reached_exception) {
throw new resource_limit_reached_exception();
}
$current_method = $this->installer_config->get('file_update_method', '');
// File updater failed, try to fallback to download file update mode
if ($current_method !== 'compression') {
$this->iohandler->add_warning_message(array('UPDATE_FILE_UPDATER_HAS_FAILED', $current_method, 'compression'));
$this->installer_config->set('file_update_method', 'compression');
// We only want a simple refresh here
throw new resource_limit_reached_exception();
} else {
// Nowhere to fallback to :(
// Due to the way the installer handles fatal errors, we need to throw a low level exception
throw new runtime_exception('UPDATE_FILE_UPDATERS_HAVE_FAILED');
}
}
$file_updater_method = $this->installer_config->get('file_update_method', '');
if ($file_updater_method === 'compression' || $file_updater_method === 'ftp') {
$this->file_updater->close();
}
}