<?php // $Id: subscribe_user.php 17013 2008-11-28 15:55:13Z iflorespaz $
/*
==============================================================================
Dokeos - elearning and course management software
Copyright (c) 2004-2008 Dokeos SPRL
Copyright (c) 2003 Ghent University (UGent)
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 Notre Dame, 152, B-1140 Evere, Belgium, info@dokeos.com
==============================================================================
*/
/**
==============================================================================
* This script allows teachers to subscribe existing users
* to their course.
*
* @package dokeos.user
==============================================================================
*/
/*
==============================================================================
INIT SECTION
==============================================================================
*/
// name of the language file that needs to be included
$language_file = array('registration','admin');
include ("../inc/global.inc.php");
$this_section = SECTION_COURSES;
if (!api_is_allowed_to_edit()) {
api_not_allowed(true);
}
require_once (api_get_path(LIBRARY_PATH).'course.lib.php');
require_once (api_get_path(LIBRARY_PATH).'sortabletable.class.php');
require_once (api_get_path(LIBRARY_PATH).'formvalidator/FormValidator.class.php');
/*
==============================================================================
MAIN CODE
==============================================================================
*/
/*
-----------------------------------------------------------
Header
-----------------------------------------------------------
*/
$tool_name = get_lang("SubscribeUserToCourse");
//extra entries in breadcrumb
$interbreadcrumb[] = array ("url" => "user.php", "name" => get_lang("Users"));
Display :: display_header($tool_name, "User");
api_display_tool_title($tool_name);
/*
==============================================================================
MAIN SECTION
==============================================================================
*/
$list_register_user='';
$list_not_register_user='';
if (isset ($_REQUEST['register'])) {
if (isset($_REQUEST['type']) & & $_REQUEST['type']=='teacher') {
$result_simple_sub=CourseManager :: subscribe_user(Database::escape_string($_REQUEST['user_id']), $_course['sysCode'],COURSEMANAGER);
} else {
$result_simple_sub=CourseManager :: subscribe_user(Database::escape_string($_REQUEST['user_id']), $_course['sysCode']);
}
$user_id_temp=$_SESSION['session_user_id'];
if (is_array($user_id_temp)) {
$counter = count($user_id_temp);
for ($j=0; $j< $counter;$j++) {
if ($user_id_temp[$j]==$_GET['user_id']) {
if ($result_simple_sub) {
Display::display_confirmation_message($_SESSION['session_user_name'][$j].' '.get_lang('langAddedToCourse'));
} else {
Display::display_error_message($_SESSION['session_user_name'][$j].' '.get_lang('langNotAddedToCourse'));
}
}
}
unset($_SESSION['session_user_id']);
unset($_SESSION['session_user_name']);
}
}
if (isset ($_POST['action'])) {
switch ($_POST['action']) {
case 'subscribe' :
if (is_array($_POST['user'])) {
foreach ($_POST['user'] as $index => $user_id) {
$user_id=Database::escape_string($user_id);
if(isset($_REQUEST['type']) & & $_REQUEST['type']=='teacher') {
$is_suscribe[]=CourseManager :: subscribe_user($user_id, $_course['sysCode'],COURSEMANAGER);
} else {
$is_suscribe[]=CourseManager :: subscribe_user($user_id, $_course['sysCode']);
}
$is_suscribe_user_id[]=$user_id;
}
}
$user_id_temp=$_SESSION['session_user_id'];
$user_name_temp=$_SESSION['session_user_name'];
unset($_SESSION['session_user_id']);
unset($_SESSION['session_user_name']);
$counter=0;
$$is_suscribe_counter=count($is_suscribe_user_id);
$list_register_user='';
if ($$is_suscribe_counter!=1) {
for ($i=0; $i< $$is_suscribe_counter;$i++) {
for ($j=0; $j< count ( $ user_id_temp ) ; $ j + + ) {
if ($is_suscribe_user_id[$i]==$user_id_temp[$j]) {
if ($is_suscribe[$i]) {
$list_register_user.=" - ".$user_name_temp[$j].'< br / > ';
$counter++;
} else {
$list_not_register_user.=" - ".$user_name_temp[$j].'< br / > ';
}
}
}
}
} else {
$list_register_user=$user_name_temp[0]; // only 1 user register
}
if (!empty($list_register_user)) {
if ($$is_suscribe_counter==1) {
$register_user_message=$list_register_user.' '.get_lang('langAddedToCourse');
Display::display_confirmation_message($register_user_message,false);
} else {
$register_user_message='< br / > '.get_lang('UsersRegistered').'< br / > < br / > '.$list_register_user;
Display::display_confirmation_message($register_user_message,false);
}
}
if (!empty($list_not_register_user)) {
$not_register_user_message='< br / > '.get_lang('UsersNotRegistered').'< br / > < br / > < br / > '.$list_not_register_user;
Display::display_error_message($not_register_user_message,false);
}
break;
}
}
if (!empty($_SESSION['session_user_id'])) {
unset($_SESSION['session_user_id']);
}
if (!empty($_SESSION['session_user_name'])) {
unset($_SESSION['session_user_name']);
}
/*
-----------------------------------------------------------
SHOW LIST OF USERS
-----------------------------------------------------------
*/
/**
* * Get the users to display on the current page.
*/
function get_number_of_users() {
$user_table = Database :: get_main_table(TABLE_MAIN_USER);
$course_user_table = Database :: get_main_table(TABLE_MAIN_COURSE_USER);
if (isset($_REQUEST['type']) & & $_REQUEST['type']=='teacher') {
$sql = "SELECT u.user_id
FROM $user_table u
LEFT JOIN $course_user_table cu on u.user_id = cu.user_id and course_code='".$_SESSION['_course']['id']."'
WHERE cu.user_id IS NULL
";
} else {
$sql = "SELECT u.user_id
FROM $user_table u
LEFT JOIN $course_user_table cu on u.user_id = cu.user_id and course_code='".$_SESSION['_course']['id']."'
WHERE cu.user_id IS NULL
";
}
if (isset ($_REQUEST['keyword'])) {
$keyword = Database::escape_string($_REQUEST['keyword']);
$sql .= " AND (firstname LIKE '%".$keyword."%' OR lastname LIKE '%".$keyword."%' OR email LIKE '%".$keyword."%' OR username LIKE '%".$keyword."%' OR official_code LIKE '%".$keyword."%')";
}
$res = api_sql_query($sql, __FILE__, __LINE__);
$result = Database::num_rows($res);
return $result;
}
/**
* Get the users to display on the current page.
*/
function get_user_data($from, $number_of_items, $column, $direction) {
$user_table = Database :: get_main_table(TABLE_MAIN_USER);
$course_user_table = Database :: get_main_table(TABLE_MAIN_COURSE_USER);
$tbl_session_rel_course_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
if(isset($_REQUEST['type']) & & $_REQUEST['type']=='teacher') {
if (!empty($_SESSION["id_session"])) {
$sql = "SELECT
u.user_id AS col0,
u.official_code AS col1,
u.lastname AS col2,
u.firstname AS col3,
u.email AS col4,
u.active AS col5,
u.user_id AS col6
FROM $user_table u
LEFT JOIN $tbl_session_rel_course_user cu on u.user_id = cu.id_user and course_code='".$_SESSION['_course']['id']."'
WHERE cu.id_user IS NULL
";
} else {
$sql = "SELECT
u.user_id AS col0,
u.official_code AS col1,
u.lastname AS col2,
u.firstname AS col3,
u.email AS col4,
u.active AS col5,
u.user_id AS col6
FROM $user_table u
LEFT JOIN $course_user_table cu on u.user_id = cu.user_id and course_code='".$_SESSION['_course']['id']."'
WHERE cu.user_id IS NULL
";
}
} else {
if (!empty($_SESSION["id_session"])) {
$sql = "SELECT
u.user_id AS col0,
u.official_code AS col1,
u.lastname AS col2,
u.firstname AS col3,
u.email AS col4,
u.active AS col5,
u.user_id AS col6
FROM $user_table u
LEFT JOIN $tbl_session_rel_course_user cu on u.user_id = cu.id_user and course_code='".$_SESSION['_course']['id']."'
WHERE cu.id_user IS NULL
";
} else {
$sql = "SELECT
u.user_id AS col0,
u.official_code AS col1,
u.lastname AS col2,
u.firstname AS col3,
u.email AS col4,
u.active AS col5,
u.user_id AS col6
FROM $user_table u
LEFT JOIN $course_user_table cu on u.user_id = cu.user_id and course_code='".$_SESSION['_course']['id']."'
WHERE cu.user_id IS NULL
";
}
}
if (isset ($_REQUEST['keyword'])) {
$keyword = Database::escape_string($_REQUEST['keyword']);
$sql .= " AND (firstname LIKE '%".$keyword."%' OR lastname LIKE '%".$keyword."%' OR email LIKE '%".$keyword."%' OR username LIKE '%".$keyword."%' OR official_code LIKE '%".$keyword."%')";
}
$sql .= " ORDER BY col$column $direction ";
$sql .= " LIMIT $from,$number_of_items";
$res = api_sql_query($sql, __FILE__, __LINE__);
$users = array ();
while ($user = Database::fetch_row($res)) {
$users[] = $user;
$_SESSION['session_user_id'][]=$user[0];
$_SESSION['session_user_name'][]=$user[3].' '.$user[2];
}
return $users;
}
/**
* Returns a mailto-link
* @param string $email An email-address
* @return string HTML-code with a mailto-link
*/
function email_filter($email) {
return Display :: encrypted_mailto_link($email, $email);
}
/**
* Build the reg-column of the table
* @param int $user_id The user id
* @return string Some HTML-code
*/
function reg_filter($user_id) {
if(isset($_REQUEST['type']) & & $_REQUEST['type']=='teacher') $type='teacher'; else $type='student';
$result = "< a href = \"".api_get_self()."?register=yes&type=".$type."&user_id=".$user_id."\" > ".get_lang("reg")."< / a > ";
return $result;
}
/**
* Build the active-column of the table to lock or unlock a certain user
* lock = the user can no longer use this account
* @author Patrick Cool < patrick.cool @ UGent . be > , Ghent University
* @param int $active the current state of the account
* @param int $user_id The user id
* @param string $url_params
* @return string Some HTML-code with the lock/unlock button
*/
function active_filter($active, $url_params, $row) {
global $_user;
if ($active=='1') {
$action='AccountActive';
$image='right';
}
if ($active=='0') {
$action='AccountInactive';
$image='wrong';
}
if ($row['0']< >$_user['user_id']) { // you cannot lock yourself out otherwise you could disable all the accounts including your own => everybody is locked out and nobody can change it anymore.
$result = '< center > < img src = "../img/'.$image.'.gif" border = "0" style = "vertical-align: middle;" alt = "'.get_lang(ucfirst($action)).'" title = "'.get_lang(ucfirst($action)).'" / > < / center > ';
}
return $result;
}
// Build search-form
echo '< div class = "actions" > ';
$form = new FormValidator('search_user', 'POST',api_get_self().'?type='.$_REQUEST['type'],'',null,false);
$renderer = & $form->defaultRenderer();
$renderer->setElementTemplate('< span > {element}< / span > ');
$form->add_textfield('keyword', '', false);
$form->addElement('submit', 'submit', get_lang('SearchButton'));
$form->display();
echo '< / div > ';
// Build table
$table = new SortableTable('users', 'get_number_of_users', 'get_user_data', 2);
$parameters['keyword'] = $_REQUEST['keyword'];
$parameters ['type'] = $_REQUEST['type'];
$table->set_additional_parameters($parameters);
$col = 0;
$table->set_header($col ++, '', false);
$table->set_header($col ++, get_lang('OfficialCode'));
$table->set_header($col ++, get_lang('LastName'));
$table->set_header($col ++, get_lang('FirstName'));
$table->set_header($col ++, get_lang('Email'));
$table->set_column_filter($col -1, 'email_filter');
$table->set_header($col ++, get_lang('Active'),false);
$table->set_column_filter($col -1, 'active_filter');
$table->set_header($col ++, get_lang('reg'), false);
$table->set_column_filter($col -1, 'reg_filter');
$table->set_form_actions(array ('subscribe' => get_lang('reg')), 'user');
// Display table
$table->display();
if ( !empty($_POST['keyword'])) {
$keyword_name=Security::remove_XSS($_POST['keyword']);
echo '< br / > '.get_lang('SearchResultsFor').' < span style = "font-style: italic ;" > '.$keyword_name.' < / span > < br > ';
}
/*
==============================================================================
FOOTER
==============================================================================
*/
Display :: display_footer();
