<?php // $Id: user_add.php 15105 2008-04-25 08:38:20Z elixir_inter $
/*
==============================================================================
	Dokeos - elearning and course management software

	Copyright (c) 2008 Dokeos SPRL
	Copyright (c) 2009 Julio Montoya Armas <gugli100@gmail.com>

	For a full list of contributors, see "credits.txt".
	The full license can be read in "license.txt".

	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.

	See the GNU General Public License for more details.

	Contact: Dokeos, rue du Corbeau, 108, B-1000 Brussels, Belgium, info@dokeos.com
==============================================================================
*/

// name of the language file that needs to be included
$language_file = array('admin', 'registration');
$cidReset = true;

// including necessary libraries
require '../inc/global.inc.php';
$libpath = api_get_path(LIBRARY_PATH);
require_once $libpath.'fileManage.lib.php';
require_once $libpath.'fileUpload.lib.php';
require_once $libpath.'usermanager.lib.php';
require_once $libpath.'formvalidator/FormValidator.class.php';
require_once $libpath.'image.lib.php';
require_once $libpath.'mail.lib.inc.php';

// user permissions
api_protect_admin_script(true);
api_block_anonymous_users();

// Database table definitions
$table_admin 	= Database :: get_main_table(TABLE_MAIN_ADMIN);
$table_user 	= Database :: get_main_table(TABLE_MAIN_USER);
$database 		= Database::get_main_database();

$htmlHeadXtra[] = '
<script type="text/javascript">
<!--
function enable_expiration_date() { //v2.0
	document.user_add.radio_expiration_date[0].checked=false;
	document.user_add.radio_expiration_date[1].checked=true;
}

function password_switch_radio_button(form, input){
	var NodeList = document.getElementsByTagName("input");
	for(var i=0; i< NodeList.length; i++){
		if(NodeList.item(i).name=="password[password_auto]" && NodeList.item(i).value=="0"){
			NodeList.item(i).checked=true;
		}
	}
}

function display_drh_list(){
	if(document.getElementById("status_select").value=='.STUDENT.')
	{
		document.getElementById("drh_list").style.display="block";
	}
	else
	{
		document.getElementById("drh_list").style.display="none";
		document.getElementById("drh_select").options[0].selected="selected";
	}
}

//-->
</script>';

if (!empty($_GET['message'])) {
	$message = urldecode($_GET['message']);
}

$id_session='';
if (isset($_GET["id_session"]) && $_GET["id_session"] != "") {
 	$id_session = Security::remove_XSS($_GET["id_session"]);
	//$interbreadcrumb[] = array ("url" => "session.php", "name" => get_lang('Sessions'));
	//$interbreadcrumb[] = array ("url" => "course.php?id_session=".$_GET["id_session"]."", "name" => get_lang('Cours'));
}

$interbreadcrumb[] = array ('url' => '../admin/index.php', 'name' => get_lang('PlatformAdmin'));

$tool_name = get_lang('AddUsers');
// Create the form
$form = new FormValidator('user_add');
if (api_is_western_name_order()) {
	// Firstname
	$form->addElement('text','firstname', get_lang('FirstName'));
	$form->applyFilter('firstname', 'html_filter');
	$form->applyFilter('firstname', 'trim');
	$form->addRule('firstname', get_lang('ThisFieldIsRequired'), 'required');
	// Lastname
	$form->addElement('text','lastname', get_lang('LastName'));
	$form->applyFilter('lastname', 'html_filter');
	$form->applyFilter('lastname', 'trim');
	$form->addRule('lastname', get_lang('ThisFieldIsRequired'), 'required');
} else {
	// Lastname
	$form->addElement('text','lastname', get_lang('LastName'));
	$form->applyFilter('lastname', 'html_filter');
	$form->applyFilter('lastname', 'trim');
	$form->addRule('lastname', get_lang('ThisFieldIsRequired'), 'required');
	// Firstname
	$form->addElement('text','firstname', get_lang('FirstName'));
	$form->applyFilter('firstname', 'html_filter');
	$form->applyFilter('firstname', 'trim');
	$form->addRule('firstname', get_lang('ThisFieldIsRequired'), 'required');
}
// Official code
$form->addElement('text', 'official_code', get_lang('OfficialCode'), array('size' => '40'));
$form->applyFilter('official_code', 'html_filter');
$form->applyFilter('official_code', 'trim');
// Email
$form->addElement('text', 'email', get_lang('Email'), array('size' => '40'));
$form->addRule('email', get_lang('EmailWrong'), 'email');
$form->addRule('email', get_lang('EmailWrong'), 'required');
// Phone
$form->addElement('text', 'phone', get_lang('PhoneNumber'));
// Picture
$form->addElement('file', 'picture', get_lang('AddPicture'));
$allowed_picture_types = array ('jpg', 'jpeg', 'png', 'gif');
$form->addRule('picture', get_lang('OnlyImagesAllowed').' ('.implode(',', $allowed_picture_types).')', 'filetype', $allowed_picture_types);
// Username
$form->addElement('text', 'username', get_lang('LoginName'), array('maxlength' => USERNAME_MAX_LENGTH));
$form->addRule('username', get_lang('ThisFieldIsRequired'), 'required');
$form->addRule('username', sprintf(get_lang('UsernameMaxXCharacters'), (string)USERNAME_MAX_LENGTH), 'maxlength', USERNAME_MAX_LENGTH);
$form->addRule('username', get_lang('OnlyLettersAndNumbersAllowed'), 'username');
$form->addRule('username', get_lang('UserTaken'), 'username_available', $user_data['username']);
// Password
$group = array();
$auth_sources = 0; //make available wider as we need it in case of form reset (see below)
if (count($extAuthSource) > 0) {
	$group[] =& HTML_QuickForm::createElement('radio', 'password_auto', null, get_lang('ExternalAuthentication').' ', 2);
	$auth_sources = array();
	foreach ($extAuthSource as $key => $info) {
		$auth_sources[$key] = $key;
	}
	$group[] =& HTML_QuickForm::createElement('select', 'auth_source', null, $auth_sources);
	$group[] =& HTML_QuickForm::createElement('static', '', '', '<br />');
}
$group[] =& HTML_QuickForm::createElement('radio', 'password_auto', get_lang('Password'), get_lang('AutoGeneratePassword').'<br />', 1);
$group[] =& HTML_QuickForm::createElement('radio', 'password_auto', 'id="radio_user_password"', null, 0);
$group[] =& HTML_QuickForm::createElement('password', 'password', null, array('onkeydown' => 'javascript: password_switch_radio_button(document.user_add,"password[password_auto]");'));
$form->addGroup($group, 'password', get_lang('Password'), '');


// Send email
$group = array();
$group[] =& HTML_QuickForm::createElement('radio', 'send_mail',null,get_lang('Yes'), 1);
$group[] =& HTML_QuickForm::createElement('radio', 'send_mail',null,get_lang('No'), 0);
$form->addGroup($group, 'mail', get_lang('SendMailToNewUser'), '&nbsp;');
// Expiration Date
$form->addElement('radio', 'radio_expiration_date', get_lang('ExpirationDate'), get_lang('NeverExpires'), 0);
$group = array ();
$group[] = & $form->createElement('radio', 'radio_expiration_date', null, get_lang('On'), 1);
$group[] = & $form->createElement('datepicker', 'expiration_date', null, array('form_name' => $form->getAttribute('name'), 'onchange' => 'javascript: enable_expiration_date();'));
$form->addGroup($group, 'max_member_group', null, '', false);
// Active account or inactive account
$form->addElement('radio', 'active', get_lang('ActiveAccount'), get_lang('Active'), 1);
$form->addElement('radio', 'active', '', get_lang('Inactive'), 0);


//session list
if (api_is_session_admin()) {
	$where = 'WHERE session_admin_id='.intval(api_get_user_id());
	$where .= ' AND ( (session.date_start <= CURDATE() AND session.date_end >= CURDATE()) OR session.date_start="0000-00-00" ) ';
	$tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
	$sql="SELECT id,name,nbr_courses,date_start,date_end FROM $tbl_session $where ORDER BY name";
	$result = Database::query($sql,__FILE__,__LINE__);
	$a_sessions = Database::store_result($result);
	$session_list = array();
	$session_list[0] = get_lang('SelectSession');
	if (is_array($a_sessions)) {
		foreach ($a_sessions as $session) {
			$session_list[$session['id']]=$session['name'];
		}
	}

	//asort($session_list);
	//api_asort($session_list, SORT_STRING);
	api_natsort($session_list);

	$form->addElement('select', 'session_id', get_lang('Session'), $session_list);
}


// EXTRA FIELDS
$extra = UserManager::get_extra_fields(0, 50, 5, 'ASC');
foreach ($extra as $id => $field_details) {
	switch ($field_details[2]) {
		case USER_FIELD_TYPE_TEXT:
			$form->addElement('text', 'extra_'.$field_details[1], $field_details[3], array('size' => 40));
			$form->applyFilter('extra_'.$field_details[1], 'stripslashes');
			$form->applyFilter('extra_'.$field_details[1], 'trim');
			break;
		case USER_FIELD_TYPE_TEXTAREA:
			$form->add_html_editor('extra_'.$field_details[1], $field_details[3], false, false, array('ToolbarSet' => 'Profile', 'Width' => '100%', 'Height' => '130'));
			//$form->addElement('textarea', 'extra_'.$field_details[1], $field_details[3], array('size' => 80));
			$form->applyFilter('extra_'.$field_details[1], 'stripslashes');
			$form->applyFilter('extra_'.$field_details[1], 'trim');
			break;
		case USER_FIELD_TYPE_RADIO:
			$group = array();
			foreach ($field_details[9] as $option_id => $option_details) {
				$options[$option_details[1]] = $option_details[2];
				$group[] =& HTML_QuickForm::createElement('radio', 'extra_'.$field_details[1], $option_details[1], $option_details[2].'<br />', $option_details[1]);
			}
			$form->addGroup($group, 'extra_'.$field_details[1], $field_details[3], '');
			break;
		case USER_FIELD_TYPE_SELECT:
			$options = array();
			foreach ($field_details[9] as $option_id => $option_details) {
				$options[$option_details[1]] = $option_details[2];
			}
			$form->addElement('select', 'extra_'.$field_details[1], $field_details[3], $options, '');
			break;
		case USER_FIELD_TYPE_SELECT_MULTIPLE:
			$options = array();
			foreach ($field_details[9] as $option_id => $option_details) {
				$options[$option_details[1]] = $option_details[2];
			}
			$form->addElement('select', 'extra_'.$field_details[1], $field_details[3], $options, array('multiple' => 'multiple'));
			break;
		case USER_FIELD_TYPE_DATE:
			$form->addElement('datepickerdate', 'extra_'.$field_details[1], $field_details[3]);
			$form->_elements[$form->_elementIndex['extra_'.$field_details[1]]]->setLocalOption('minYear', 1900);
			$defaults['extra_'.$field_details[1]] = date('Y-m-d 12:00:00');
			$form -> setDefaults($defaults);
			$form->applyFilter('theme', 'trim');
			break;
		case USER_FIELD_TYPE_DATETIME:
			$form->addElement('datepicker', 'extra_'.$field_details[1], $field_details[3]);
			$form->_elements[$form->_elementIndex['extra_'.$field_details[1]]]->setLocalOption('minYear', 1900);
			$defaults['extra_'.$field_details[1]] = date('Y-m-d 12:00:00');
			$form -> setDefaults($defaults);
			$form->applyFilter('theme', 'trim');
			break;
	}
}


// Set default values
$defaults['admin']['platform_admin'] = 0;
$defaults['mail']['send_mail'] = 0;
$defaults['password']['password_auto'] = 1;
$defaults['active'] = 1;
$defaults['expiration_date'] = array();
$days = api_get_setting('account_valid_duration');
$time = strtotime('+'.$days.' day');
$defaults['expiration_date']['d'] = date('d', $time);
$defaults['expiration_date']['F'] = date('m', $time);
$defaults['expiration_date']['Y'] = date('Y', $time);
$defaults['radio_expiration_date'] = 0;
$defaults['status'] = STUDENT;
$defaults['session_id'] = api_get_session_id();


$form->setDefaults($defaults);
// Submit button
$select_level = array ();
$html_results_enabled[] = FormValidator :: createElement ('style_submit_button', 'submit_plus', get_lang('Add').'+', 'class="add"');
$html_results_enabled[] = FormValidator :: createElement ('style_submit_button', 'submit', get_lang('Add'), 'class="add"');
$form->addGroup($html_results_enabled);
// Validate form
if ($form->validate()) {
	$check = Security::check_token('post');
	if ($check) {
		$user = $form->exportValues();
		$picture_element = & $form->getElement('picture');
		$picture = $picture_element->getValue();
		$picture_uri = '';
		if (strlen($picture['name']) > 0) {
			if (!is_dir(api_get_path(SYS_CODE_PATH).'upload/users/')) {
				mkdir(api_get_path(SYS_CODE_PATH).'upload/users/', api_get_permissions_for_new_directories());
			}
			$picture_uri = uniqid('').'_'.replace_dangerous_char($picture['name']);
			$picture_location = api_get_path(SYS_CODE_PATH).'upload/users/'.$picture_uri;
			move_uploaded_file($picture['tmp_name'], $picture_location);
		}
		$lastname = $user['lastname'];
		$firstname = $user['firstname'];
		$official_code = $user['official_code'];
		$email = $user['email'];
		$phone = $user['phone'];
		$username = $user['username'];
		$status = intval($user['status']);
		$picture = $_FILES['picture'];
		$platform_admin = intval($user['admin']['platform_admin']);
		$send_mail = intval($user['mail']['send_mail']);
		$hr_dept_id = intval($user['hr_dept_id']);
		if (count($extAuthSource) > 0 && $user['password']['password_auto'] == '2') {
			$auth_source = $user['password']['auth_source'];
			$password = 'PLACEHOLDER';
		} else {
			$auth_source = PLATFORM_AUTH_SOURCE;
			$password = $user['password']['password_auto'] == '1' ? api_generate_password() : $user['password']['password'];
		}
		if ($user['radio_expiration_date'] == '1') {
			$expiration_date = $user['expiration_date'];
		} else {
			$expiration_date = '0000-00-00 00:00:00';
		}
		$active = intval($user['active']);
		// default status = student
		$status = 5;
		//create user
		$user_id = UserManager::create_user($firstname, $lastname, $status, $email, $username, $password, $official_code, api_get_setting('platformLanguage'), $phone, $picture_uri, $auth_source, $expiration_date, $active, $hr_dept_id);

		//adding to the session
		if (api_is_session_admin()) {
			$tbl_session_rel_course				= Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
			$tbl_session_rel_course_rel_user	= Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
			$tbl_session						= Database::get_main_table(TABLE_MAIN_SESSION);
			$tbl_session_rel_user				= Database::get_main_table(TABLE_MAIN_SESSION_USER);

			$id_session = $user['session_id'];
			if ($id_session != 0) {
				$result = Database::query("SELECT course_code FROM $tbl_session_rel_course WHERE id_session='$id_session'",__FILE__,__LINE__);

				$CourseList=array();
				while ($row = Database::fetch_array($result)) {
					$CourseList[] = $row['course_code'];
				}

				foreach ($CourseList as $enreg_course) {
					Database::query("INSERT INTO $tbl_session_rel_course_rel_user(id_session,course_code,id_user) VALUES('$id_session','$enreg_course','$user_id')",__FILE__,__LINE__);
					// updating the total
					$sql = "SELECT COUNT(id_user) as nbUsers FROM $tbl_session_rel_course_rel_user WHERE id_session='$id_session' AND course_code='$enreg_course'";
					$rs = Database::query($sql, __FILE__, __LINE__);
					list($nbr_users) = Database::fetch_array($rs);
					Database::query("UPDATE $tbl_session_rel_course SET nbr_users=$nbr_users WHERE id_session='$id_session' AND course_code='$enreg_course'",__FILE__,__LINE__);
				}

				Database::query("INSERT INTO $tbl_session_rel_user(id_session, id_user) VALUES('$id_session','$user_id')", __FILE__, __LINE__);

				$sql = "SELECT COUNT(nbr_users) as nbUsers FROM $tbl_session WHERE id='$id_session' ";
				$rs = Database::query($sql, __FILE__, __LINE__);
				list($nbr_users) = Database::fetch_array($rs);

				Database::query("UPDATE $tbl_session SET nbr_users= $nbr_users WHERE id='$id_session' ", __FILE__, __LINE__);
			}
		}


		$extras = array();
		foreach ($user as $key => $value) {
			if (substr($key, 0, 6) == 'extra_') {
				//an extra field
				$myres = UserManager::update_extra_field_value($user_id, substr($key, 6), $value);
			}
		}

		if ($platform_admin) {
			$sql = "INSERT INTO $table_admin SET user_id = '".$user_id."'";
			Database::query($sql, __FILE__, __LINE__);
		}
		if (!empty ($email) && $send_mail) {
			$emailto = '"'.api_get_person_name($firstname, $lastname, null, PERSON_NAME_EMAIL_ADDRESS).'" <'.$email.'>';
			$emailsubject = '['.api_get_setting('siteName').'] '.get_lang('YourReg').' '.api_get_setting('siteName');
			$emailheaders = 'From: '.api_get_person_name(api_get_setting('administratorName'), api_get_setting('administratorSurname'), null, PERSON_NAME_EMAIL_ADDRESS).' <'.api_get_setting('emailAdministrator').">\n";
			$emailheaders .= 'Reply-To: '.api_get_setting('emailAdministrator');

			$portal_url = $_configuration['root_web'];
			if ($_configuration['multiple_access_urls']==true) {
				$access_url_id = api_get_current_access_url_id();
				if ($access_url_id != -1) {
					$url = api_get_access_url($access_url_id);
					$portal_url = $url['url'];
				}
			}
			$emailbody=get_lang('Dear')." ".stripslashes(api_get_person_name($firstname, $lastname)).",\n\n".get_lang('YouAreReg')." ". api_get_setting('siteName') ." ".get_lang('WithTheFollowingSettings')."\n\n".get_lang('Username')." : ". $username ."\n". get_lang('Pass')." : ".stripslashes($password)."\n\n" .get_lang('Address') ." ". api_get_setting('siteName') ." ". get_lang('Is') ." : ".$portal_url."\n\n". get_lang('Problem'). "\n\n". get_lang('Formula').",\n\n".api_get_person_name(api_get_setting('administratorName'), api_get_setting('administratorSurname'))."\n". get_lang('Manager'). " ".api_get_setting('siteName')."\nT. ".api_get_setting('administratorTelephone')."\n" .get_lang('Email') ." : ".api_get_setting('emailAdministrator');
			@api_send_mail($emailto, $emailsubject, $emailbody, $emailheaders);
		}
		Security::clear_token();
		if (isset($user['submit_plus'])) {
			//we want to add more. Prepare report message and redirect to the same page (to clean the form)
			$tok = Security::get_token();
			header('Location: user_add.php?message='.urlencode(get_lang('UserAdded')).'&sec_token='.$tok);
			exit ();
		} else {
			$tok = Security::get_token();
			header('Location: ../admin/user_list.php?action=show_message&message='.urlencode(get_lang('UserAdded')).'&sec_token='.$tok);
			exit ();
		}
	}
} else {
	if (isset($_POST['submit'])) {
		Security::clear_token();
	}
	$token = Security::get_token();
	$form->addElement('hidden', 'sec_token');
	$form->setConstants(array('sec_token' => $token));
}
// Display form
Display::display_header($tool_name);
//api_display_tool_title($tool_name);
if (!empty($message)) {
	Display::display_normal_message(stripslashes($message));
}
$form->display();

/*
==============================================================================
		FOOTER
==============================================================================
*/
Display::display_footer();