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<?php
/**
 * This file is part of Joomla Estate Agency - Joomla! extension for real
estate agency
 *
 * @package     Joomla.Administrator
 * @subpackage  com_jea
 * @copyright   Copyright (C) 2008 - 2020 PHILIP Sylvain. All rights
reserved.
 * @license     GNU General Public License version 2 or later; see
LICENSE.txt
 */

defined('_JEXEC') or die;

/**
 * Features controller class.
 *
 * @package     Joomla.Administrator
 * @subpackage  com_jea
 *
 * @since       2.0
 */
class JeaControllerFeatures extends JControllerLegacy
{
	/**
	 * Method to export features tables as CSV
	 *
	 * @return void
	 */
	public function export()
	{
		$application = JFactory::getApplication();
		$features = $this->input->get('cid', array(),
'array');

		if (!empty($features))
		{
			$config = JFactory::getConfig();
			$exportPath = $config->get('tmp_path') .
'/jea_export';

			if (JFolder::create($exportPath) === false)
			{
				$msg = JText::_('JLIB_FILESYSTEM_ERROR_FOLDER_CREATE') .
' : ' . $exportPath;
				$this->setRedirect('index.php?option=com_jea&view=features',
$msg, 'warning');
			}
			else
			{
				$xmlPath = JPATH_COMPONENT . '/models/forms/features/';
				$xmlFiles = JFolder::files($xmlPath);
				$model = $this->getModel();
				$files = array();

				foreach ($xmlFiles as $filename)
				{
					$matches = array();

					if (preg_match('/^[0-9]{2}-([a-z]*).xml/', $filename,
$matches))
					{
						$feature = $matches[1];

						if (in_array($feature, $features))
						{
							$form = simplexml_load_file($xmlPath . '/' . $filename);
							$table = (string) $form['table'];
							$files[] = array(
								'data' => $model->getCSVData($table),
								'name' => $table . '.csv'
							);
						}
					}
				}

				$zipFile = $exportPath . '/jea_export_' . uniqid() .
'.zip';
				$zip = JArchive::getAdapter('zip');
				$zip->create($zipFile, $files);

				$application->setHeader('Content-Type',
'application/zip', true);
				$application->setHeader('Content-Disposition',
'attachment; filename="jea_features.zip"', true);
				$application->setHeader('Content-Transfer-Encoding',
'binary', true);
				$application->sendHeaders();

				echo readfile($zipFile);

				// Clean tmp files
				JFile::delete($zipFile);
				JFolder::delete($exportPath);

				$application->close();
			}
		}
		else
		{
			$msg = JText::_('JERROR_NO_ITEMS_SELECTED');
			$this->setRedirect('index.php?option=com_jea&view=features',
$msg);
		}
	}

	/**
	 * Method to import data in features tables
	 *
	 * @return void
	 */
	public function import()
	{
		$application = JFactory::getApplication();
		$upload = JeaUpload::getUpload('csv');
		$validExtensions = array('csv', 'CSV',
'txt', 'TXT');

		$xmlPath = JPATH_COMPONENT . '/models/forms/features/';
		$xmlFiles = JFolder::files($xmlPath);
		$model = $this->getModel();
		$tables = array();

		// Retrieve the table names
		foreach ($xmlFiles as $filename)
		{
			$matches = array();

			if (preg_match('/^[0-9]{2}-([a-z]*).xml/', $filename,
$matches))
			{
				$feature = $matches[1];

				if (!isset($tables[$feature]))
				{
					$form = simplexml_load_file($xmlPath . '/' . $filename);
					$tables[$feature] = (string) $form['table'];
				}
			}
		}

		foreach ($upload as $file)
		{
			if ($file->isPosted() && isset($tables[$file->key]))
			{
				$file->setValidExtensions($validExtensions);
				$file->check();
				$fileErrors = $file->getErrors();

				if (!$fileErrors)
				{
					try
					{
						$rows = $model->importFromCSV($file->temp_name,
$tables[$file->key]);
						$msg =
JText::sprintf('COM_JEA_NUM_LINES_IMPORTED_ON_TABLE', $rows,
$tables[$file->key]);
						$application->enqueueMessage($msg);
					}
					catch (Exception $e)
					{
						$application->enqueueMessage($e->getMessage(),
'warning');
					}
				}
				else
				{
					foreach ($fileErrors as $error)
					{
						$application->enqueueMessage($error, 'warning');
					}
				}
			}
		}

		$this->setRedirect('index.php?option=com_jea&view=features');
	}

	/**
	 * Method to get a JeaModelFeatures model object, loading it if required.
	 *
	 * @param   string  $name    The model name.
	 * @param   string  $prefix  The class prefix.
	 * @param   array   $config  Configuration array for model.
	 *
	 * @return  JeaModelFeatures|boolean  Model object on success; otherwise
false on failure.
	 *
	 * @see JControllerForm::getModel()
	 */
	public function getModel($name = 'Features', $prefix =
'JeaModel', $config = array())
	{
		$model = parent::getModel($name, $prefix, $config);

		return $model;
	}
}