<?php

/**
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; under version 2
 * of the License (non-upgradable).
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 *
 * Copyright (c) 2013 (original work) Open Assessment Technologies SA (under the project TAO-PRODUCT);
 *
 *
 */

namespace oat\taoDeliveryRdf\model\import;

use oat\taoDeliveryRdf\view\form\import\ImportForm;
use common_report_Report;

/**
 * Delivery Assembly importer
 *
 * @access public
 * @author Joel Bout, <joel@taotesting.com>
 * @package taoDelivery
 */
class AssemblyImportHandler implements \tao_models_classes_import_ImportHandler
{

    /**
     * (non-PHPdoc)
     * @see tao_models_classes_import_ImportHandler::getLabel()
     */
    public function getLabel()
    {
        return __('Assembly import');
    }
    
    /**
     * (non-PHPdoc)
     * @see tao_models_classes_import_ImportHandler::getForm()
     */
    public function getForm()
    {
        $form = new ImportForm();
        return $form->getForm();
    }

    /**
     * (non-PHPdoc)
     * @see tao_models_classes_import_ImportHandler::import()
     */
    public function import($class, $form, $userId = null)
    {
        
        $fileInfo = $form->getValue('source');
        //import for CSV
        if (isset($fileInfo)) {
            \helpers_TimeOutHelper::setTimeOutLimit(\helpers_TimeOutHelper::MEDIUM);
            
            //get the services instances we will need
            $itemService    = \taoItems_models_classes_ItemsService::singleton();
            
            $uploadedFile = $fileInfo['uploaded_file'];
            $uploadedFileBaseName = basename($uploadedFile);
            // uploaded file name contains an extra prefix that we have to remove.
            $uploadedFileBaseName = preg_replace('/^([0-9a-z])+_/', '', $uploadedFileBaseName, 1);
            $uploadedFileBaseName = preg_replace('/.zip|.ZIP$/', '', $uploadedFileBaseName);
            
            $validate = count($form->getValue('disable_validation')) == 0 ? true : false;
            
            try {
                $importer = new Assembler();
                $report = $importer->importDelivery($class, $uploadedFile);
            } catch (\common_Exception $e) {
                $report = common_report_Report::createFailure(__('An error occured during the import'));
                if ($e instanceof \common_exception_UserReadableException) {
                    $report->add($e);
                }
            }
            
            \tao_helpers_File::remove($uploadedFile);
            
            \helpers_TimeOutHelper::reset();
        } else {
            throw new \common_exception_Error('No file provided as parameter \'source\' for Delivery Assembly import');
        }
        return $report;
    }
}