<?php

use Vn\Lib;
use Vn\Lib\UserException;

/**
 * Uploads a access module.
 */
class AccessVersion extends Vn\Web\JsonRequest {
	const PARAMS = [
		 'appName'
		,'newVersion'
	];

	function run($db) {		
		// Checks for file errors.

		$moduleFile = $_FILES['moduleFile'];
		
		if (empty($moduleFile['name']))
			throw new UserException(s('File not choosed'));

		if ($moduleFile['error'] != 0) {
			switch ($_FILES['image']['error']) {
		        case UPLOAD_ERR_INI_SIZE:
		            $message = 'ErrIniSize';
		            break;
		        case UPLOAD_ERR_FORM_SIZE:
		            $message = 'ErrFormSize';
		            break;
		        case UPLOAD_ERR_PARTIAL:
		            $message = 'ErrPartial';
		            break;
		        case UPLOAD_ERR_NO_FILE:
		            $message = 'ErrNoFile';
		            break;
		        case UPLOAD_ERR_NO_TMP_DIR:
		            $message = 'ErrNoTmpDir';
		            break;
		        case UPLOAD_ERR_CANT_WRITE:
		            $message = 'ErrCantWrite';
		            break;
		        case UPLOAD_ERR_EXTENSION:
		            $message = 'ErrExtension';
		            break;
		        default:
		            $message = 'ErrDefault';
		            break;
		    }

			throw new Lib\Exception(s($message));
		}

		// Defining parameters

		$appName = $_REQUEST['appName'];
		$newVersion = $_REQUEST['newVersion'];

		$accessDir = _DATA_DIR .'/'. $this->app->getName() .'/vn-access';
		$headFile = "$accessDir/$appName.7z";
		$archiveRelPath = ".archive/$appName/$newVersion.7z";
		$archiveFullPath = "$accessDir/$archiveRelPath";

		// Updates the application

		rename($moduleFile['tmp_name'], $archiveFullPath);
		chmod($archiveFullPath, 0644);

		@unlink($headFile);
		symlink($archiveRelPath, $headFile);

		return TRUE;
	}
}