<?php

class appOnlineFilesBackendActions extends autoAppOnlineFilesBackendActions
{
	/**
	 * Walidacja zapisy plików.
	 */
	public function validateEdit()
	{
		/**
		 * @var sfWebRequest $request
		 */
		$request = $this->getRequest();

		if ($request->getMethod() == sfRequest::POST)
		{
			$i18n = $this->getContext()->getI18N();

			$file = $request->getFile('online_files[file]');

			if (!$request->getParameter('online_files[name]'))
			{
				$request->setError('online_files{name}', $i18n->__('Proszę uzupełnić pole.'));
			}

			$fileValidator = new sfFileValidator();
			$fileValidator->initialize($this->getContext(), array('required' => !$request->getParameter('id')));
			
			if (!$fileValidator->execute($file, $error))
			{
				$request->setError('online_files{filename}', $error);
			}
			elseif (isset($file['name']) && !empty($file['name']))
			{
				$c = new Criteria();
				$c->add(OnlineFilesPeer::FILENAME, $file['name']);
				$c->add(OnlineFilesPeer::PRODUCT_ID, $request->getParameter('product_id'));

				if (OnlineFilesPeer::doCount($c))
				{
					$request->setError('online_files{filename}', $i18n->__('Podany plik jest już przypisany do produktu.'));
				}
			}
		}

		return !$request->hasErrors();
	}

	/**
	 * Akcja do pobirania pliku w panelu.
	 */
	public function executeDownload()
	{
		$id = $this->getRequestParameter('id');

		$onlineFile = OnlineFilesPeer::retrieveByPK($id);

		if (null !== $onlineFile)
		{
			$file = sfConfig::get('sf_data_dir') . '/online-files/' . $onlineFile->getProductId() . '/' . $onlineFile->getFilename();

			$handle = fopen($file, 'rb');

			if ($handle)
			{
				$this->setLayout(false);
				$response = $this->getContext()->getResponse();
				$response->setContentType("application/octet-stream");
				$response->setHttpHeader('Content-Disposition', 'attachment; filename="' . $onlineFile->getFilename() . '"');
				$response->sendHttpHeaders();

				while (!feof($handle))
				{
					echo fread($handle, 8192);
					ob_flush();
					flush();
				}

				fclose($handle);
			}
			else
			{
				return $this->forward404();
			}
		}
		else
		{
			return $this->forward404();
		}

		throw new sfStopException();
	}

	protected function updateOnlineFilesFromRequest()
	{
		parent::updateOnlineFilesFromRequest();

		/**
		 * @var sfWebRequest $request
		 */
		$request = $this->getRequest();

		if ($request->getFileError('online_files[file]') == UPLOAD_ERR_OK)
		{
			$filepath = $this->online_files->getFilePath();

			$this->online_files->setFilename($request->getFileName('online_files[file]'));
			$this->online_files->setFilesize($request->getFileSize('online_files[file]'));
			
			if ($request->moveFile('online_files[file]', $this->online_files->getFilePath()) && !$this->online_files->isNew())
			{
				unlink($filepath);
			}
		}
	}
}