<?php
/**
 * @package     Joomla.Administrator
 * @subpackage  com_messages
 *
 * @copyright   (C) 2006 Open Source Matters, Inc. <https://www.joomla.org>
 * @license     GNU General Public License version 2 or later; see LICENSE.txt
 */

namespace Joomla\Component\Messages\Administrator\Table;

\defined('_JEXEC') or die;

use Joomla\CMS\Language\Text;
use Joomla\CMS\Table\Table;
use Joomla\CMS\User\User;
use Joomla\Database\DatabaseDriver;

/**
 * Message Table class
 *
 * @since  1.5
 */
class MessageTable extends Table
{
	/**
	 * Constructor
	 *
	 * @param   DatabaseDriver  $db  Database connector object
	 *
	 * @since   1.5
	 */
	public function __construct(DatabaseDriver $db)
	{
		parent::__construct('#__messages', 'message_id', $db);

		$this->setColumnAlias('published', 'state');
	}

	/**
	 * Validation and filtering.
	 *
	 * @return  boolean
	 *
	 * @since   1.5
	 */
	public function check()
	{
		try
		{
			parent::check();
		}
		catch (\Exception $e)
		{
			$this->setError($e->getMessage());

			return false;
		}

		// Check the to and from users.
		$user = new User($this->user_id_from);

		if (empty($user->id))
		{
			$this->setError(Text::_('COM_MESSAGES_ERROR_INVALID_FROM_USER'));

			return false;
		}

		$user = new User($this->user_id_to);

		if (empty($user->id))
		{
			$this->setError(Text::_('COM_MESSAGES_ERROR_INVALID_TO_USER'));

			return false;
		}

		if (empty($this->subject))
		{
			$this->setError(Text::_('COM_MESSAGES_ERROR_INVALID_SUBJECT'));

			return false;
		}

		if (empty($this->message))
		{
			$this->setError(Text::_('COM_MESSAGES_ERROR_INVALID_MESSAGE'));

			return false;
		}

		return true;
	}
}

• [F] MessageTable.php
  Delete