<?php
/**
 * @version		$Id: contact.php 13031 2009-10-02 21:54:22Z louis $
 * @package		Joomla.Site
 * @subpackage	Contact
 * @copyright	Copyright (C) 2005 - 2009 Open Source Matters, Inc. All rights reserved.
 * @license		GNU General Public License version 2 or later; see LICENSE.txt
 */

// No direct access
defined('_JEXEC') or die;

jimport('joomla.application.component.modelitem');
jimport('joomla.database.query');

/**
 * @package		Joomla.Site
 * @subpackage	Contact
 */
class ContactModelContact extends JModelItem
{
	/**
	 * Model context string.
	 *
	 * @var		string
	 */
	 protected $_context = 'com_contact.contact';

	/**
	 * Method to auto-populate the model state.
	 *
	 * @return	void
	 */
	protected function _populateState()
	{
		$app = &JFactory::getApplication('site');

		// Load state from the request.
		$pk = JRequest::getInt('id');
		$this->setState('contact.id', $pk);

		$offset = JRequest::getInt('limitstart');
		$this->setState('list.offset', $offset);

		// Load the parameters.
##		$params	= $app->getParams();
##		$this->setState('params', $params);

		// TODO: Tune these values based on other permissions.
		$this->setState('filter.published',	1);
		$this->setState('filter.archived',	-1);
		$this->setState('filter.access',		true);
	}

	/**
	 * Method to get contact data.
	 *
	 * @param	integer	The id of the article.
	 *
	 * @return	mixed	Menu item data object on success, false on failure.
	 */
	public function &getItem($pk = null)
	{
		// Initialise variables.
		$pk = (!empty($pk)) ? $pk : (int) $this->getState('contact.id');
		if ($this->_item === null) {
			$this->_item = array();
		}

		if (!isset($this->_item[$pk]))
		{
			try
			{
				$query = new JQuery;

				$query->select($this->getState('item.select', 'a.*'));
				$query->from('#__contact_details AS a');

				// Join on category table.
				$query->select('c.title AS category_title, c.alias AS category_alias, c.access AS category_access');
				$query->join('LEFT', '#__categories AS c on c.id = a.catid');


				$query->where('a.id = '.(int) $pk);

				// Filter by published state.
				$published = $this->getState('filter.published');
				$archived = $this->getState('filter.archived');
				if (is_numeric($published)) {
					$query->where('(a.published = '.(int) $published.' OR a.published ='.(int) $archived.')');
				}


				// Filter by access level.
				if ($access = $this->getState('filter.access'))
				{
					$user	= &JFactory::getUser();
					$groups	= implode(',', $user->authorisedLevels());
					$query->where('a.access IN ('.$groups.')');
					$query->where('(c.access IS NULL OR c.access IN ('.$groups.'))');
				}

				$this->_db->setQuery($query);

				$data = $this->_db->loadObject();

				if ($error = $this->_db->getErrorMsg()) {
					throw new Exception($error);
				}

				if (empty($data)) {
					throw new Exception(JText::_('Contact_Error_Contact_not_found'), 404);
				}

				// Check for published state if filter set.
				if (((is_numeric($published))||(is_numeric($archived))) &&
					(($data->published != $published ) && ( $data->state != $archived )))
				  {
					throw new Exception(JText::_('Contact_Error_Contact_not_found'), 404);
				}
		// Convert parameter fields to objects.
				$registry = new JRegistry;
##				$registry->loadJSON($data->params);
##				$data->params = clone $this->getState('params');
##				$data->params->merge($registry);
##
				// Compute access permissions.
				if ($access)
				{
					// If the access filter has been set, we already know this user can view.
					$data->params->set('access-view', true);
				}
				else
				{
					// If no access filter is set, the layout takes some responsibility for display of limited information.
					$user	= &JFactory::getUser();
					$groups	= $user->authorisedLevels();

					if ($data->catid == 0 || $data->category_access === null) {
						$data->params->set('access-view', in_array($data->access, $groups));
					}
					else {
						$data->params->set('access-view', in_array($data->access, $groups) && in_array($data->category_access, $groups));
					}
				}
				// TODO: Type 2 permission checks?

				$this->_item[$pk] = $data;
			}
			catch (Exception $e)
			{
				$this->setError($e);
				$this->_item[$pk] = false;
			}
		}

		return $this->_item[$pk];
	}

	/**
	 * Method to send an email to a contact
	 *
	 * @static
	 * @since 1.0
	 */
	function submit()
	{
		// Check for request forgeries
		JRequest::checkToken() or jexit(JText::_('JInvalid_Token'));

		// Initialise some variables
		$app		= &JFactory::getApplication();
		$db			= & JFactory::getDbo();
		$SiteName	= $app->getCfg('sitename');

		$default	= JText::sprintf('MAILENQUIRY', $SiteName);
		$contactId	= JRequest::getInt('id',			0,			'post');
		$name		= JRequest::getVar('name',			'',			'post');
		$email		= JRequest::getVar('email',			'',			'post');
		$subject	= JRequest::getVar('subject',		$default,	'post');
		$body		= JRequest::getVar('text',			'',			'post');
		$emailCopy	= JRequest::getInt('email_copy', 	0,			'post');

		 // load the contact details
		$model		= &$this->getModel('contact');

		// query options
		$qOptions['id']	= $contactId;
		$contact		= $model->getContact($qOptions);

		if ($contact->email_to == '' && $contact->user_id != 0)
		{
			$contact_user = JUser::getInstance($contact->user_id);
			$contact->email_to = $contact_user->get('email');
		}

		/*
		 * If there is no valid email address or message body then we throw an
		 * error and return false.
		 */
		jimport('joomla.mail.helper');
		if (!$email || !$body || (JMailHelper::isEmailAddress($email) == false))
		{
			$this->setError(JText::_('CONTACT_FORM_NC'));
			$this->display();
			return false;
		}

		// Contact plugins
		JPluginHelper::importPlugin('contact');
		$dispatcher	= &JDispatcher::getInstance();

		// Input validation
		if  (!$this->_validateInputs($contact, $email, $subject, $body)) {
			JError::raiseWarning(0, $this->getError());
			return false;
		}

		// Custom handlers
		$post		= JRequest::get('post');
		$results	= $dispatcher->trigger('onValidateContact', array(&$contact, &$post));

		foreach ($results as $result)
		{
			if (JError::isError($result)) {
				return false;
			}
		}

		// Passed Validation: Process the contact plugins to integrate with other applications
		$results	= $dispatcher->trigger('onSubmitContact', array(&$contact, &$post));

##		$pparams = &$app->getParams('com_contact');
		if (!$pparams->get('custom_reply'))
		{
			$MailFrom 	= $app->getCfg('mailfrom');
			$FromName 	= $app->getCfg('fromname');

			// Prepare email body
			$prefix = JText::sprintf('ENQUIRY_TEXT', JURI::base());
			$body 	= $prefix."\n".$name.' <'.$email.'>'."\r\n\r\n".stripslashes($body);

			$mail = JFactory::getMailer();

			$mail->addRecipient($contact->email_to);
			$mail->setSender(array($email, $name));
			$mail->setSubject($FromName.': '.$subject);
			$mail->setBody($body);

			$sent = $mail->Send();

			/*
			 * If we are supposed to copy the admin, do so.
			 */
			// parameter check
			$params = new JParameter($contact->params);
			$emailcopyCheck = $params->get('show_email_copy', 0);

			// check whether email copy function activated
			if ($emailCopy && $emailcopyCheck)
			{
				$copyText 		= JText::sprintf('Copy of:', $contact->name, $SiteName);
				$copyText 		.= "\r\n\r\n".$body;
				$copySubject 	= JText::_('Copy of:')." ".$subject;

				$mail = JFactory::getMailer();

				$mail->addRecipient($email);
				$mail->setSender(array($MailFrom, $FromName));
				$mail->setSubject($copySubject);
				$mail->setBody($copyText);

				$sent = $mail->Send();
			}
		}

		$msg = JText::_('Com_Contact_Contact_Email_Thanks');
		//redirect if it is set
		if ($this->contact->params->$link)
		{
			$link=$contact->redirect;
		}
		else
		{
			// stay on the same  contact page

		$link = JRoute::_('index.php?option=com_contact&view=contact&id='.(int) $contact->id, false);
		}
		$this->setRedirect($link, $msg);
	}
	/**
	 * Checks $text for values contained in the array $array, and sets error message if true...
	 *
	 * @param String	$text		Text to search against
	 * @param String	$list		semicolon (;) seperated list of banned values
	 * @return Boolean
	 * @access protected
	 * @since 1.5.4
	 */
	function _checkText($text, $list) {
		if (empty($list) || empty($text)) return true;
		$array = explode(';', $list);
		foreach ($array as $value) {
			$value = trim($value);
			if (empty($value)) continue;
			if (JString::stristr($text, $value) !== false) {
				return false;
			}
		}
		return true;
	}

}