<?php
/*
 * $RCSfile: UserSelfRegistration.inc,v $
 *
 * Gallery - a web based photo album viewer and editor
 * Copyright (C) 2000-2005 Bharat Mediratta
 * 
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or (at
 * your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */

/**
 * @version $Revision: 1.6 $ $Date: 2005/01/28 23:44:03 $
 * @package SelfRegistration
 * @subpackage UserInterface
 * @author Sebastian Eichner <mailsp@sebastian-eichner.de>
 */

/**
 * This controller will handle the selfcreation of an user
 *
 * @package SelfRegistration
 * @subpackage UserInterface
 *
 */
class UserSelfRegistrationController extends GalleryController {

    /**
     * @see GalleryController::handleRequest
     */
    function handleRequest($form) {
	GalleryCoreApi::requireOnce(dirname(__FILE__) . '/classes/GalleryPendingUserHelper.class');
	global $gallery;
	// TODO: store Timestamp with registrations and flush old GalleryPendingUsers; make lifespan configurable
	/*
	 * the following is taken from core/AdminCreateUser.inc
	 * basically the same work is done there, but we do not act as SiteAdmin and 
	 * we do not wish to create a "real" user but a "pending" user
	 * 
	 * replace: 
	 * ['view'] = 'core:SiteAdmin';  ->  ['view'] = 'core:UserAdmin';
	 * ['subView'] = 'core:AdminUsers';  ->  ['subView'] = 'core:UserAdmin';
	 * GalleryCoreApi::newFactoryInstance('GalleryEntity', 'GalleryUser');  ->  GalleryCoreApi::newFactoryInstance('GalleryEntity', 'GalleryPendingUser');
	 * $status['createdUser']  ->  $status['registeredUser']
	 * //['delegate']['view'] = 'core:SiteAdmin'; ->  ['delegate']['view'] = 'core:UserAdmin';
	 * ['delegate']['subView'] = 'core:AdminCreateUser';  ->  ['delegate']['subView'] = 'register:UserSelfRegistration';
	 *
	 */
	// $redirect = array();
	$results = array();
	$status = array();
	$error = array();
	if (isset($form['action']['cancel'])) {

	    /* Go back to the AdminUsers view */
	    $redirect['view'] = 'core:UserAdmin';
	    
	} else if (isset($form['action']['create'])) {

	    /* Validate inputs */
	    foreach (array('userName', 'email', 'password1', 'password2', 'fullName') as $key) {
		if (empty($form[$key])) {
		    $error[] = 'form[error][' . $key . '][missing]';
		}
	    }
	    if (!empty($form['email']) && !GalleryUtilities::isValidEmailString($form['email'])) {
		$error[] = 'form[error][email][invalid]';
	    }
	    if (!empty($form['password1']) && !empty($form['password2']) &&
			$form['password1'] != $form['password2']) {
		$error[] = 'form[error][password2][mismatch]';
	    }

	    /*
	    * If all the right fields are in place then go ahead and
	    * create the user.
	    */
	    if (empty($error)) {

		list ($ret, $user) = GalleryCoreApi::newFactoryInstance('GalleryEntity', 'GalleryPendingUser');
		if ($ret->isError()) {
		    return array($ret->wrap(__FILE__, __LINE__), null);
		}

		if (!isset($user)) {
		    return array(GalleryStatus::error(ERROR_MISSING_OBJECT, __FILE__, __LINE__), null);
		}

		$ret = $user->create($form['userName']);
		if ($ret->isError()) {
		    if (!($ret->getErrorCode() & ERROR_COLLISION)) {
			return array($ret->wrap(__FILE__, __LINE__), null);
		    }

		    // Set our error status and fall back to the view.
		    $error[] = 'form[error][userName][exists]';
		} else {
		    $user->setEmail($form['email']);
		    $user->setFullName($form['fullName']);
		    //$user->setLanguage($form['language']);
		    $user->changePassword($form['password1']);

		    $ret = $user->save();
		    if ($ret->isError()) {
			return array($ret->wrap(__FILE__, __LINE__), null);
		    }

		    /* send a confirmation email if activated in module settings */
		    /* otherwise create the "real" user right now */
		    list($ret, $params) =
			GalleryCoreApi::fetchAllPluginParameters('module', 'register');
		    if ($ret->isError()) {
			return array($ret->wrap(__FILE__, __LINE__), null);
		    }

		    if ($params['confirmation'] == 'email') {
			/* send confirmation email */
			$ret = GalleryPendingUserHelper::sendConfirmationEmail($user);
			if ($ret->isError()) {
			    return array($ret->wrap(__FILE__, __LINE__), null);
			}
			$status['registeredUser'] = $form['userName'];

		    } else if ($params['confirmation'] == 'auto') {
			/* turn the pending user into a real user right now */
			$ret = GalleryPendingUserHelper::createGalleryUser($user);
			if ($ret->isError()) {
			    return array($ret->wrap(__FILE__, __LINE__), null);
			}
			$status['activatedUser'] = $form['userName'];
		    } else { // confirmation == 'admin'
			$status['registeredUserNoEmail'] = $form['userName'];
		    }

		    if ($params['emailadmins']) {
			$ret = GalleryPendingUserHelper::sendAdminEmail($user);
			if ($ret->isError()) {
			    return array($ret->wrap(__FILE__, __LINE__), null);
			}
		    }

		    /* Request a redirect to the confirmation screen */
		    $redirect['view'] = 'core:UserAdmin';
		    $redirect['subView'] = 'register:SelfRegistrationSuccess';
		}
	    }
	}

	if (!empty($redirect)) {
	    $results['redirect'] = $redirect;
	} else {
	    $results['delegate']['view'] = 'core:UserAdmin';
	    $results['delegate']['subView'] = 'register:UserSelfRegistration';
	}
	$results['status'] = $status;
	$results['error'] = $error;

	return array(GalleryStatus::success(), $results);
    }
}

/**
 * This view will prompt for data to create a new user
 *
 * @package SelfRegistration
 * @subpackage UserInterface
 */
class UserSelfRegistrationView extends GalleryView {

    /**
     * @see GalleryView::loadTemplate
     */
    function loadTemplate(&$template, &$form) {
	global $gallery;
	/*
	 * the following is taken from core/AdminCreateUser.inc
	 * basically the same work is done there, but we do not act as SiteAdmin and 
	 * we do not wish to create a "real" user but a "pending" user
	 * 
	 * replace: 
	 * ('controller', 'core:AdminCreateUser')  ->  ('controller', 'register:UserSelfRegistration')
	 *  'modules/core/templates/AdminCreateUser.tpl'  ->   'modules/register/templates/UserSelfRegistration.tpl'
	 */

	if ($form['formName'] != 'AdminCreateUser') {
	    /* First time around, set our defaults here. */
	    $form['userName'] = '';
	    $form['email'] = '';
	    $form['fullName'] = '';
	    $form['language'] = '';
	    $form['formName'] = 'AdminCreateUser';
	}

	/* Set up our language selection list */
	list ($ret, $module) = GalleryCoreApi::loadPlugin('module', 'register');
	if ($ret->isError()) {
	    return array($ret->wrap(__FILE__, __LINE__), null);
	}
	$languageList = array();
	$languageList[''] = $module->translate('<none>');

	$translator =& $gallery->getTranslator();
	$supportedLanguages = $translator->getSupportedLanguages();
	foreach ($supportedLanguages as $language => $countryList) {
	    foreach ($countryList as $country => $languageData) {
		$languageList[$language . '_' . $country] =
		    $languageData['description'];
	    }
	}

	$AdminCreateUser = array();
	$AdminCreateUser['languageList'] = $languageList;

	$template->setVariable('AdminCreateUser', $AdminCreateUser);
	$template->setVariable('controller', 'register:UserSelfRegistration');

	return array(GalleryStatus::success(),
		     array('body' => 'modules/register/templates/UserSelfRegistration.tpl'));
    }
}
?>