<?php
/**
 * @package     Joomla.Site
 * @subpackage  com_users
 *
 * @copyright   Copyright (C) 2005 - 2013 Open Source Matters, Inc. All rights reserved.
 * @license     GNU General Public License version 2 or later; see LICENSE.txt
 */

defined('_JEXEC') or die;

require_once JPATH_COMPONENT.'/controller.php';

/**
 * Profile controller class for Users.
 *
 * @package     Joomla.Site
 * @subpackage  com_users
 * @since       1.6
 */
class UsersControllerProfile extends UsersController
{
	/**
	 * Method to check out a user for editing and redirect to the edit form.
	 *
	 * @since   1.6
	 */
	public function edit()
	{
		$app			= JFactory::getApplication();
		$user			= JFactory::getUser();
		$loginUserId	= (int) $user->get('id');

		// Get the previous user id (if any) and the current user id.
		$previousId = (int) $app->getUserState('com_users.edit.profile.id');
		$userId = $this->input->getInt('user_id', null, 'array');

		// Check if the user is trying to edit another users profile.
		if ($userId != $loginUserId)
		{
			JError::raiseError(403, JText::_('JERROR_ALERTNOAUTHOR'));
			return false;
		}

		// Set the user id for the user to edit in the session.
		$app->setUserState('com_users.edit.profile.id', $userId);

		// Get the model.
		$model = $this->getModel('Profile', 'UsersModel');

		// Check out the user.
		if ($userId)
		{
			$model->checkout($userId);
		}

		// Check in the previous user.
		if ($previousId)
		{
			$model->checkin($previousId);
		}

		// Redirect to the edit screen.
		$this->setRedirect(JRoute::_('index.php?option=com_users&view=profile&layout=edit', false));
	}

	/**
	 * Method to save a user's profile data.
	 *
	 * @return  void
	 * @since   1.6
	 */
	public function save()
	{
		// Check for request forgeries.
		JSession::checkToken() or jexit(JText::_('JINVALID_TOKEN'));

		$app	= JFactory::getApplication();
		$model	= $this->getModel('Profile', 'UsersModel');
		$user	= JFactory::getUser();
		$userId	= (int) $user->get('id');

		// Get the user data.
		$data = $app->input->post->get('jform', array(), 'array');

		// Force the ID to this user.
		$data['id'] = $userId;

		// Validate the posted data.
		$form = $model->getForm();
		if (!$form)
		{
			JError::raiseError(500, $model->getError());
			return false;
		}

		// Validate the posted data.
		$data = $model->validate($form, $data);

		// Check for errors.
		if ($data === false)
		{
			// Get the validation messages.
			$errors	= $model->getErrors();

			// Push up to three validation messages out to the user.
			for ($i = 0, $n = count($errors); $i < $n && $i < 3; $i++)
			{
				if ($errors[$i] instanceof Exception)
				{
					$app->enqueueMessage($errors[$i]->getMessage(), 'warning');
				} else {
					$app->enqueueMessage($errors[$i], 'warning');
				}
			}

			// Save the data in the session.
			$app->setUserState('com_users.edit.profile.data', $data);

			// Redirect back to the edit screen.
			$userId = (int) $app->getUserState('com_users.edit.profile.id');
			$this->setRedirect(JRoute::_('index.php?option=com_users&view=profile&layout=edit&user_id='.$userId, false));
			return false;
		}

		// Attempt to save the data.
		$return	= $model->save($data);

		// Check for errors.
		if ($return === false)
		{
			// Save the data in the session.
			$app->setUserState('com_users.edit.profile.data', $data);

			// Redirect back to the edit screen.
			$userId = (int) $app->getUserState('com_users.edit.profile.id');
			$this->setMessage(JText::sprintf('COM_USERS_PROFILE_SAVE_FAILED', $model->getError()), 'warning');
			$this->setRedirect(JRoute::_('index.php?option=com_users&view=profile&layout=edit&user_id='.$userId, false));
			return false;
		}

		// Redirect the user and adjust session state based on the chosen task.
		switch ($this->getTask())
		{
			case 'apply':
				// Check out the profile.
				$app->setUserState('com_users.edit.profile.id', $return);
				$model->checkout($return);

				// Redirect back to the edit screen.
				$this->setMessage(JText::_('COM_USERS_PROFILE_SAVE_SUCCESS'));
				$this->setRedirect(JRoute::_(($redirect = $app->getUserState('com_users.edit.profile.redirect')) ? $redirect : 'index.php?option=com_users&view=profile&layout=edit&hidemainmenu=1', false));
				break;

			default:
				// Check in the profile.
				$userId = (int) $app->getUserState('com_users.edit.profile.id');
				if ($userId)
				{
					$model->checkin($userId);
				}

				// Clear the profile id from the session.
				$app->setUserState('com_users.edit.profile.id', null);

				// Redirect to the list screen.
				$this->setMessage(JText::_('COM_USERS_PROFILE_SAVE_SUCCESS'));
				$this->setRedirect(JRoute::_(($redirect = $app->getUserState('com_users.edit.profile.redirect')) ? $redirect : 'index.php?option=com_users&view=profile&user_id='.$return, false));
				break;
		}

		// Flush the data from the session.
		$app->setUserState('com_users.edit.profile.data', null);
	}

	/**
	 * Function that allows child controller access to model data after the data has been saved.
	 *
	 * @param   JModelLegacy  $model      The data model object.
	 * @param   array         $validData  The validated data.
	 *
	 * @return  void
	 * @since   3.1
	 */
	protected function postSaveHook(JModelLegacy $model, $validData = array())
	{
		$item = $model->getData();
		$tags = $validData['tags'];

		if ($tags)
		{
			$item->tags = new JHelperTags;
			$item->tags->getTagIds($item->id, 'com_users.user');
			$item->metadata['tags'] = $item->tags;
		}
	}

}