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<?php
/**
* File revisions and rollback
*/
class Loco_admin_file_DiffController extends Loco_admin_file_BaseController {
/**
* {@inheritdoc}
*/
public function init(){
parent::init();
$this->enqueueStyle('podiff');
$pofile = $this->get('file');
if( $pofile->exists() && ! $pofile->isDirectory() ){
$path = $pofile->getPath();
$action = 'restore:'.$path;
// set up view now in case of late failure
$fields = new Loco_mvc_HiddenFields( [] );
$fields->setNonce($action);
$this->set( 'hidden', $fields );
// attempt rollback if valid nonce posted back with backup path
if( $this->checkNonce($action) ){
try {
$post = Loco_mvc_PostParams::get();
// Restore
if( $post->has('backup') ){
$path = $post->backup;
$target = new Loco_fs_File( $path );
$target->normalize( loco_constant('WP_CONTENT_DIR') );
// Recompile back to current version. Note that restoring a backup also backs up current file
$data = Loco_gettext_Data::fromSource( $target->getContents() );
$compiler = new Loco_gettext_Compiler($pofile);
$compiler->writeAll( $data, $this->getOptionalProject() );
Loco_error_AdminNotices::success( __('File restored','loco-translate') );
}
// Delete an old backup from revision list
else if( $post->has('delete') ){
$path = $post->delete;
$target = new Loco_fs_File( $path );
$target->normalize( loco_constant('WP_CONTENT_DIR') );
$api = new Loco_api_WordPressFileSystem;
$api->authorizeDelete( $target );
$target->unlink();
Loco_error_AdminNotices::success( __('File deleted','loco-translate') );
}
else {
throw new Loco_error_Exception('Nothing selected');
}
}
catch( Loco_error_Exception $e ){
Loco_error_AdminNotices::add( $e );
}
}
}
$bundle = $this->getBundle();
// translators: %s is a file name to be rolled back to a previous version.
$this->set('title', sprintf( __('Restore %s','loco-translate'), $pofile->basename() ).' ‹ '.$bundle->getName() );
}
/**
* {@inheritdoc}
*/
public function render(){
$file = $this->get('file');
if( $fail = $this->getFileError($file) ){
return $fail;
}
$info = Loco_mvc_FileParams::create($file);
$info['mtime'] = $file->modified();
$this->set( 'master', $info );
// translators: Page title where %s refers to a file name
$this->setFileTitle( $file, __('Restore %s','loco-translate') );
$enabled = Loco_data_Settings::get()->num_backups;
$this->set( 'enabled', $enabled );
$files = [];
$wp_content = loco_constant('WP_CONTENT_DIR');
$paths = [ $file->getRelativePath($wp_content) ];
$podate = 'pot' === $file->extension() ? 'POT-Creation-Date' : 'PO-Revision-Date';
$backups = new Loco_fs_Revisions($file);
foreach( $backups->getPaths() as $path ){
$tmp = new Loco_fs_File( $path );
$info = Loco_mvc_FileParams::create($tmp);
// time file was snapshotted is actually the time the next version was updated
// $info['mtime'] = $backups->getTimestamp($path);
// pull "real" update time, meaning when the revision was last updated as current version
try {
$head = Loco_gettext_Data::head($tmp);
$value = $head->trimmed($podate);
if( '' !== $value ){
$info['potime'] = Loco_gettext_Data::parseDate($value);
}
else {
throw new Loco_error_Exception('Backup has no '.$podate.' field');
}
}
catch( Exception $e ){
Loco_error_AdminNotices::debug( $e->getMessage() );
continue;
}
$paths[] = $tmp->getRelativePath($wp_content);
$files[] = $info;
}
// no backups = no restore
if( ! $files ){
return $this->view('admin/errors/no-backups');
}
/*/ warn if current backup settings aren't enough to restore without losing older revisions
$min = count($files) + 1;
if( $enabled < $min ){
$notice = Loco_error_AdminNotices::info('We recommend enabling more backups before restoring');
$notice->addLink( apply_filters('loco_external','https://localise.biz/wordpress/plugin/manual/settings#po'), __('Documentation','loco-translate') )
->addLink( Loco_mvc_AdminRouter::generate('config').'#loco--num-backups', __('Settings') );
}*/
// restore permissions required are create and delete on current location
$this->prepareFsConnect( 'update', $this->get('path') );
// prepare revision arguments for JavaScript
$this->set( 'js', new Loco_mvc_ViewParams( [
'paths' => $paths,
'nonces' => [
'diff' => wp_create_nonce('diff'),
]
] ) );
$this->enqueueScript('podiff');
return $this->view('admin/file/diff', compact('files','backups') );
}
}
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