<?php
/* For licensing terms, see /license.txt*/
/**
* This script allows teachers to subscribe existing users
* to their course.
* @package chamilo.user
*/
/**
* Code
*/
// name of the language file that needs to be included
$language_file = array('registration','admin');
require_once '../inc/global.inc.php';
$current_course_tool = TOOL_USER;
// the section (for the tabs)
$this_section = SECTION_COURSES;
// notice for unauthorized people.
api_protect_course_script(true);
// access restriction
if (!api_is_allowed_to_edit()) {
api_not_allowed(true);
}
$tool_name = get_lang("SubscribeUserToCourse");
if ($_REQUEST['type']=='teacher') {
$tool_name = get_lang("SubscribeUserToCourseAsTeacher");
}
//extra entries in breadcrumb
$interbreadcrumb[] = array ("url" => "user.php", "name" => get_lang("ToolUser"));
if ($_GET['keyword']) {
$interbreadcrumb[] = array ("url" => "subscribe_user.php?type=".Security::remove_XSS($_GET['type']), "name" => $tool_name);
$tool_name = get_lang('SearchResults');
}
Display :: display_header($tool_name, "User");
// api_display_tool_title($tool_name);
// Build search-form
echo '< div class = "actions" > ';
if (isset($_GET['keyword'])) {
$actions .= '< a href = "subscribe_user.php?type='.Security::remove_XSS($_REQUEST['type']).'" > '.Display::return_icon('clean_group.gif').' '.get_lang('ClearSearchResults').'< / a > ';
}
if (isset($_GET['subscribe_user_filter_value']) AND !empty($_GET['subscribe_user_filter_value'])) {
$actions .= '< a href = "subscribe_user.php?type='.Security::remove_XSS($_REQUEST['type']).'" > '.Display::return_icon('clean_group.gif').' '.get_lang('ClearFilterResults').'< / a > ';
}
if (api_get_setting('ProfilingFilterAddingUsers') == 'true') {
display_extra_profile_fields_filter();
}
// Build search-form
$form = new FormValidator('search_user', 'get', '', '', null, false);
$renderer = & $form->defaultRenderer();
$renderer->setElementTemplate('< span > {element}< / span > ');
$form->add_textfield('keyword', '', false);
$form->addElement('hidden', 'type', Security::remove_XSS($_REQUEST['type']));
$form->addElement('style_submit_button', 'submit', get_lang('SearchButton'), 'class="search"');
$form->addElement('static', 'additionalactions', null, $actions);
$form->display();
echo '< / div > ';
/*
MAIN SECTION
*/
$current_session_id = api_get_session_id();
$list_register_user='';
$list_not_register_user='';
if (isset ($_REQUEST['register'])) {
if (isset($_REQUEST['type']) & & $_REQUEST['type']=='teacher') {
if (!empty($current_session_id)) {
$result_simple_sub = SessionManager::set_coach_to_course_session(intval($_REQUEST['user_id']), $current_session_id, $_course['sysCode']);
} else {
$result_simple_sub = CourseManager :: subscribe_user(intval($_REQUEST['user_id']), $_course['sysCode'],COURSEMANAGER);
}
} else {
$result_simple_sub=CourseManager :: subscribe_user(intval($_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('AddedToCourse'));
} else {
Display::display_error_message($_SESSION['session_user_name'][$j].' '.get_lang('NotAddedToCourse'));
}
}
}
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) {
$user_id=intval($user_id);
if(isset($_REQUEST['type']) & & $_REQUEST['type']=='teacher') {
if (!empty($current_session_id)) {
$is_suscribe[] = SessionManager::set_coach_to_course_session($user_id, $current_session_id, $_course['sysCode']);
} else {
$is_suscribe[]=CourseManager :: subscribe_user($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 / > ';
$temp_unique_user=$user_name_temp[$j];
$counter++;
} else {
$list_not_register_user.=" - ".$user_name_temp[$j].'< br / > ';
}
}
}
}
//} else {
//$list_register_user=$temp_unique_user; // only 1 user register
//}
if (!empty($list_register_user)) {
if ($is_suscribe_counter==1) {
$register_user_message=$temp_unique_user.' '.get_lang('AddedToCourse');
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']);
}
$is_western_name_order = api_is_western_name_order();
$sort_by_first_name = api_sort_by_first_name();
// Build table
$table = new SortableTable('subscribe_users', 'get_number_of_users', 'get_user_data', ($is_western_name_order xor $sort_by_first_name) ? 3 : 2);
$parameters['keyword'] = Security::remove_XSS($_REQUEST['keyword']);
$parameters ['type'] = Security::remove_XSS($_REQUEST['type']);
$table->set_additional_parameters($parameters);
$col = 0;
$table->set_header($col ++, '', false);
$table->set_header($col ++, get_lang('OfficialCode'));
if (api_is_western_name_order()) {
$table->set_header($col ++, get_lang('FirstName'));
$table->set_header($col ++, get_lang('LastName'));
} else {
$table->set_header($col ++, get_lang('LastName'));
$table->set_header($col ++, get_lang('FirstName'));
}
if (api_get_setting('show_email_addresses') == 'true') {
$table->set_header($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('Actions'), false);
$table->set_column_filter($col -1, 'reg_filter');
$table->set_form_actions(array ('subscribe' => get_lang('reg')), 'user');
if (!empty($_POST['keyword'])) {
$keyword_name=Security::remove_XSS($_POST['keyword']);
echo '< br / > '.get_lang('SearchResultsFor').' < span style = "font-style: italic ;" > '.$keyword_name.' < / span > < br > ';
}
// Display table
$table->display();
// footer
Display :: display_footer();
/* SHOW LIST OF USERS */
/**
* * Get the users to display on the current page.
*/
function get_number_of_users() {
global $_configuration;
// Database table definition
$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);
$table_user_field_values = Database::get_main_table(TABLE_MAIN_USER_FIELD_VALUES);
if (isset($_REQUEST['type']) & & $_REQUEST['type']=='teacher') {
if (api_get_session_id() != 0) {
$sql = "SELECT COUNT(u.user_id)
FROM $user_table u
LEFT JOIN $tbl_session_rel_course_user cu on u.user_id = cu.id_user and course_code='".api_get_course_id()."' AND id_session ='".api_get_session_id()."'
WHERE cu.id_user IS NULL AND u.status=1 AND (u.official_code < > 'ADMIN' OR u.official_code IS NULL) ";
if ($_configuration['multiple_access_urls']) {
$url_access_id = api_get_current_access_url_id();
if ($url_access_id !=-1) {
$tbl_url_rel_user = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
$sql = "SELECT COUNT(u.user_id) FROM $user_table u
LEFT JOIN $tbl_session_rel_course_user cu on u.user_id = cu.id_user and course_code='".api_get_course_id()."' AND id_session ='".api_get_session_id()."'
INNER JOIN $tbl_url_rel_user as url_rel_user
ON (url_rel_user.user_id = u.user_id)
WHERE cu.id_user IS NULL AND access_url_id= $url_access_id AND u.status=1 AND (u.official_code < > 'ADMIN' OR u.official_code IS NULL) ";
}
}
} else {
$sql = "SELECT COUNT(u.user_id) FROM $user_table u LEFT JOIN $course_user_table cu on u.user_id = cu.user_id and course_code='".api_get_course_id()."'
WHERE cu.user_id IS NULL AND u.status< >".DRH." ";
if ($_configuration['multiple_access_urls']) {
$url_access_id = api_get_current_access_url_id();
if ($url_access_id !=-1) {
$tbl_url_rel_user = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
$sql = "SELECT COUNT(u.user_id) FROM $user_table u
LEFT JOIN $course_user_table cu on u.user_id = cu.user_id AND course_code='".api_get_course_id()."'
INNER JOIN $tbl_url_rel_user as url_rel_user
ON (url_rel_user.user_id = u.user_id)
WHERE cu.user_id IS NULL AND u.status< >".DRH." AND access_url_id= $url_access_id ";
}
}
}
} else {
// students
if (api_get_session_id() != 0) {
$sql = "SELECT COUNT(u.user_id)
FROM $user_table u
LEFT JOIN $tbl_session_rel_course_user cu on u.user_id = cu.id_user and course_code='".api_get_course_id()."' AND id_session ='".api_get_session_id()."'
WHERE cu.id_user IS NULL AND u.status< >".DRH." AND (u.official_code < > 'ADMIN' OR u.official_code IS NULL) ";
if ($_configuration['multiple_access_urls']) {
$url_access_id = api_get_current_access_url_id();
if ($url_access_id !=-1) {
$tbl_url_rel_user = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
$sql = "SELECT COUNT(u.user_id)
FROM $user_table u
LEFT JOIN $tbl_session_rel_course_user cu on u.user_id = cu.id_user and course_code='".api_get_course_id()."' AND id_session ='".api_get_session_id()."'
INNER JOIN $tbl_url_rel_user as url_rel_user
ON (url_rel_user.user_id = u.user_id)
WHERE cu.id_user IS NULL AND u.status< >".DRH." AND access_url_id= $url_access_id AND (u.official_code < > 'ADMIN' OR u.official_code IS NULL) ";
}
}
} else {
$sql = "SELECT COUNT(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']."'";
// we change the SQL when we have a filter
if (isset($_GET['subscribe_user_filter_value']) AND !empty($_GET['subscribe_user_filter_value']) AND api_get_setting('ProfilingFilterAddingUsers') == 'true'){
$field_identification = explode('*',$_GET['subscribe_user_filter_value']);
$sql .= "
LEFT JOIN $table_user_field_values field_values
ON field_values.user_id = u.user_id
WHERE cu.user_id IS NULL AND u.status< >".DRH."
AND field_values.field_id = '".Database::escape_string($field_identification[0])."'
AND field_values.field_value = '".Database::escape_string($field_identification[1])."'";
} else {
$sql .= "WHERE cu.user_id IS NULL AND u.status< >".DRH." ";
}
if (isset($_configuration['multiple_access_urls']) & & $_configuration['multiple_access_urls']) {
$url_access_id = api_get_current_access_url_id();
if ($url_access_id !=-1) {
$tbl_url_rel_user = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
$sql = "SELECT COUNT(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']."'
INNER JOIN $tbl_url_rel_user as url_rel_user
ON (url_rel_user.user_id = u.user_id)
WHERE cu.user_id IS NULL AND access_url_id= $url_access_id AND u.status< >".DRH." ";
}
}
}
}
// when there is a keyword then we are searching and we have to change the SQL statement
if (isset ($_GET['keyword']) AND !empty($_GET['keyword'])) {
$keyword = Database::escape_string(trim($_REQUEST['keyword']));
$sql .= " AND (firstname LIKE '%".$keyword."%' OR lastname LIKE '%".$keyword."%' OR email LIKE '%".$keyword."%' OR username LIKE '%".$keyword."%' OR official_code LIKE '%".$keyword."%')";
// we also want to search for users who have something in their profile fields that matches the keyword
if (api_get_setting('ProfilingFilterAddingUsers') == 'true') {
$additional_users = search_additional_profile_fields($keyword);
}
// getting all the users of the course (to make sure that we do not display users that are already in the course)
if (!empty($_SESSION["id_session"])) {
$a_course_users = CourseManager :: get_user_list_from_course_code($_SESSION['_course']['id'], $_SESSION['id_session']);
} else {
$a_course_users = CourseManager :: get_user_list_from_course_code($_SESSION['_course']['id'], 0);
}
foreach ($a_course_users as $user_id=>$course_user) {
$users_of_course[] = $course_user['user_id'];
}
}
$sql .=" AND u.status < > ".ANONYMOUS." ";
$res = Database::query($sql);
$count_user = 0;
if ($res) {
$row = Database::fetch_row($res);
$count_user = $row[0];
}
/* @todo seems not to be used
// we add 1 for every additional user (a user where the keyword matches one of the additional profile fields)
// that is not yet in the course and not yet in the search result
if (isset ($_REQUEST['keyword']) AND api_get_setting('ProfilingFilterAddingUsers') == 'true') {
foreach($additional_users as $additional_user_key=>$additional_user_value){
if (!in_array($additional_user_key,$users) AND !in_array($additional_user_key,$users_of_course)){
$result++;
}
}
}
*/
return $count_user;
}
/**
* Get the users to display on the current page.
*/
function get_user_data($from, $number_of_items, $column, $direction) {
global $_course, $_configuration;;
// Database table definitions
$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);
$table_user_field_values = Database::get_main_table(TABLE_MAIN_USER_FIELD_VALUES);
// adding teachers
$is_western_name_order = api_is_western_name_order();
if (api_get_setting('show_email_addresses') == 'true') {
$select_fields = "u.user_id AS col0,
u.official_code AS col1,
".($is_western_name_order
? "u.firstname AS col2,
u.lastname AS col3,"
: "u.lastname AS col2,
u.firstname AS col3,")."
u.email AS col4,
u.active AS col5,
u.user_id AS col6";
} else {
$select_fields = "u.user_id AS col0,
u.official_code AS col1,
".($is_western_name_order
? "u.firstname AS col2,
u.lastname AS col3,"
: "u.lastname AS col2,
u.firstname AS col3,")."
u.active AS col4,
u.user_id AS col5";
}
if (isset($_REQUEST['type']) & & $_REQUEST['type']=='teacher') {
// adding a teacher through a session
if (!empty($_SESSION["id_session"])) {
$sql = "SELECT $select_fields
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']."' AND id_session ='".$_SESSION["id_session"]."' ";
// applying the filter of the additional user profile fields
if (isset($_GET['subscribe_user_filter_value']) AND !empty($_GET['subscribe_user_filter_value']) AND api_get_setting('ProfilingFilterAddingUsers') == 'true') {
$field_identification = explode('*',$_GET['subscribe_user_filter_value']);
$sql .= "
LEFT JOIN $table_user_field_values field_values
ON field_values.user_id = u.user_id
WHERE cu.id_user IS NULL AND u.status=1 AND (u.official_code < > 'ADMIN' OR u.official_code IS NULL)
AND field_values.field_id = '".Database::escape_string($field_identification[0])."'
AND field_values.field_value = '".Database::escape_string($field_identification[1])."'";
} else {
$sql .= "WHERE cu.id_user IS NULL AND u.status=1 AND (u.official_code < > 'ADMIN' OR u.official_code IS NULL) ";
}
} else {
// adding a teacher NOT through a session
$sql = "SELECT $select_fields
FROM $user_table u
LEFT JOIN $course_user_table cu on u.user_id = cu.user_id and course_code='".$_SESSION['_course']['id']."'";
// applying the filter of the additional user profile fields
if (isset($_GET['subscribe_user_filter_value']) AND !empty($_GET['subscribe_user_filter_value']) AND api_get_setting('ProfilingFilterAddingUsers') == 'true'){
$field_identification = explode('*',$_GET['subscribe_user_filter_value']);
$sql .= "
LEFT JOIN $table_user_field_values field_values
ON field_values.user_id = u.user_id
WHERE cu.user_id IS NULL AND u.status< >".DRH."
AND field_values.field_id = '".Database::escape_string($field_identification[0])."'
AND field_values.field_value = '".Database::escape_string($field_identification[1])."'";
} else {
$sql .= "WHERE cu.user_id IS NULL AND u.status< >".DRH." ";
}
// adding a teacher NOT trough a session on a portal with multiple URLs
if ($_configuration['multiple_access_urls']) {
$url_access_id = api_get_current_access_url_id();
if ($url_access_id !=-1) {
$tbl_url_rel_user = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
$sql = "SELECT $select_fields
FROM $user_table u
LEFT JOIN $course_user_table cu on u.user_id = cu.user_id and course_code='".$_SESSION['_course']['id']."'
INNER JOIN $tbl_url_rel_user as url_rel_user ON (url_rel_user.user_id = u.user_id) ";
// applying the filter of the additional user profile fields
if (isset($_GET['subscribe_user_filter_value']) AND !empty($_GET['subscribe_user_filter_value']) AND api_get_setting('ProfilingFilterAddingUsers') == 'true'){
$field_identification = explode('*',$_GET['subscribe_user_filter_value']);
$sql .= "
LEFT JOIN $table_user_field_values field_values
ON field_values.user_id = u.user_id
WHERE cu.user_id IS NULL AND u.status< >".DRH."
AND field_values.field_id = '".Database::escape_string($field_identification[0])."'
AND field_values.field_value = '".Database::escape_string($field_identification[1])."'";
} else {
$sql .= "WHERE cu.user_id IS NULL AND u.status< >".DRH." AND access_url_id= $url_access_id ";
}
}
}
}
} else {
// adding a student
if (!empty($_SESSION["id_session"])) {
$sql = "SELECT $select_fields
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']."' AND id_session ='".$_SESSION["id_session"]."' ";
// applying the filter of the additional user profile fields
if (isset($_GET['subscribe_user_filter_value']) AND !empty($_GET['subscribe_user_filter_value'])){
$field_identification = explode('*',$_GET['subscribe_user_filter_value']);
$sql .= "
LEFT JOIN $table_user_field_values field_values
ON field_values.user_id = u.user_id
WHERE cu.id_user IS NULL AND u.status< >".DRH." AND (u.official_code < > 'ADMIN' OR u.official_code IS NULL)
AND field_values.field_id = '".Database::escape_string($field_identification[0])."'
AND field_values.field_value = '".Database::escape_string($field_identification[1])."'";
} else {
$sql .= "WHERE cu.id_user IS NULL AND u.status< >".DRH." AND (u.official_code < > 'ADMIN' OR u.official_code IS NULL) ";
}
} else {
$sql = "SELECT $select_fields
FROM $user_table u
LEFT JOIN $course_user_table cu on u.user_id = cu.user_id and course_code='".$_SESSION['_course']['id']."'";
// applying the filter of the additional user profile fields
if (isset($_GET['subscribe_user_filter_value']) AND !empty($_GET['subscribe_user_filter_value'])){
$field_identification = explode('*',$_GET['subscribe_user_filter_value']);
$sql .= "
LEFT JOIN $table_user_field_values field_values
ON field_values.user_id = u.user_id
WHERE cu.user_id IS NULL AND u.status< >".DRH."
AND field_values.field_id = '".Database::escape_string($field_identification[0])."'
AND field_values.field_value = '".Database::escape_string($field_identification[1])."'";
} else {
$sql .= "WHERE cu.user_id IS NULL AND u.status< >".DRH." ";
}
//showing only the courses of the current Dokeos access_url_id
global $_configuration;
if (isset($_configuration['multiple_access_urls']) & & $_configuration['multiple_access_urls']) {
$url_access_id = api_get_current_access_url_id();
if ($url_access_id !=-1) {
$tbl_url_rel_user = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
$sql = "SELECT $select_fields
FROM $user_table u
LEFT JOIN $course_user_table cu on u.user_id = cu.user_id and course_code='".$_SESSION['_course']['id']."'
INNER JOIN $tbl_url_rel_user as url_rel_user
ON (url_rel_user.user_id = u.user_id) ";
// applying the filter of the additional user profile fields
if (isset($_GET['subscribe_user_filter_value']) AND !empty($_GET['subscribe_user_filter_value']) AND api_get_setting('ProfilingFilterAddingUsers') == 'true'){
$field_identification = explode('*',$_GET['subscribe_user_filter_value']);
$sql .= "
LEFT JOIN $table_user_field_values field_values
ON field_values.user_id = u.user_id
WHERE cu.user_id IS NULL AND u.status< >".DRH."
AND field_values.field_id = '".Database::escape_string($field_identification[0])."'
AND field_values.field_value = '".Database::escape_string($field_identification[1])."' AND access_url_id= $url_access_id ";
} else {
$sql .= "WHERE cu.user_id IS NULL AND u.status< >".DRH." AND access_url_id= $url_access_id ";
}
}
}
}
}
// adding additional WHERE statements to the SQL for the search functionality
if (isset ($_REQUEST['keyword'])) {
$keyword = Database::escape_string(trim($_REQUEST['keyword']));
$sql .= " AND (firstname LIKE '%".$keyword."%' OR lastname LIKE '%".$keyword."%' OR email LIKE '%".$keyword."%' OR username LIKE '%".$keyword."%' OR official_code LIKE '%".$keyword."%')";
if (api_get_setting('ProfilingFilterAddingUsers') == 'true') {
// we also want to search for users who have something in their profile fields that matches the keyword
$additional_users = search_additional_profile_fields($keyword);
}
// getting all the users of the course (to make sure that we do not display users that are already in the course)
if (!empty($_SESSION["id_session"])) {
$a_course_users = CourseManager :: get_user_list_from_course_code($_SESSION['_course']['id'], $_SESSION['id_session']);
} else {
$a_course_users = CourseManager :: get_user_list_from_course_code($_SESSION['_course']['id'], 0);
}
foreach ($a_course_users as $user_id=>$course_user) {
$users_of_course[] = $course_user['user_id'];
}
}
$sql .=" AND u.status != ".ANONYMOUS." ";
// Sorting and pagination (used by the sortable table)
$sql .= " ORDER BY col$column $direction ";
$sql .= " LIMIT $from,$number_of_items";
$res = Database::query($sql);
$users = array ();
while ($user = Database::fetch_row($res)) {
$users[] = $user;
$_SESSION['session_user_id'][] = $user[0];
if ($is_western_name_order) {
$_SESSION['session_user_name'][] = api_get_person_name($user[2], $user[3]);
} else {
$_SESSION['session_user_name'][] = api_get_person_name($user[3], $user[2]);
}
}
// adding additional users based on the search on the additional profile fields
if (isset ($_REQUEST['keyword'])){
if (is_array($additional_users)) {
foreach($additional_users as $additional_user_key=>$additional_user_value){
if (!in_array($additional_user_key,$_SESSION['session_user_id']) AND !in_array($additional_user_key,$users_of_course)){
$users[]= array($additional_user_value['col0'],$additional_user_value['col1'],$additional_user_value['col2'].'*',$additional_user_value['col3'].'*',$additional_user_value['col4'],$additional_user_value['col5'], $additional_user_value['col6']);
}
}
}
}
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';
$result = '< a class = "btn btn-small btn-primary" href = "'.api_get_self().'?register=yes&type='.$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';
$image='accept';
}
if ($active=='0') {
$action='AccountInactive';
$image='error';
}
if ($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.
$result = '< center > '.Display::return_icon($image.'.png', get_lang(ucfirst($action)), array('border'=>'0', 'style'=>'vertical-align: middle;') , 16).'< / center > ';
}
return $result;
}
/**
* Search the additional user profile fields defined by the platform administrator in
* platform administration > profiling for a given keyword.
* We not only search in the predefined options but also in the input fields wherer
* the user can enter some text.
*
* For this we get the additional profile field options that match the (search) keyword,
* then we find all the users who have entered the (search)keyword in a input field of the
* additional profile fields or have chosen one of the matching predefined options
*
* @param string $keyword a keyword we are looking for in the additional profile fields
* @return array $additional_users an array with the users who have an additional profile field that matches the keyword
*/
function search_additional_profile_fields($keyword)
{
// database table definitions
$table_user_field_options = Database :: get_main_table(TABLE_MAIN_USER_FIELD_OPTIONS);
$table_user_field_values = Database::get_main_table(TABLE_MAIN_USER_FIELD_VALUES);
$table_user = Database::get_main_table(TABLE_MAIN_USER);
$table_course_user = Database :: get_main_table(TABLE_MAIN_COURSE_USER);
$table_session_course_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
// getting the field option text that match this keyword (for radio buttons and checkboxes)
$sql_profiling = "SELECT * FROM $table_user_field_options WHERE option_display_text LIKE '%".$keyword."%'";
$result_profiling = Database::query($sql_profiling);
while ($profiling_field_options = Database::fetch_array($result_profiling)) {
$profiling_field_options_exact_values[] = $profiling_field_options;
}
foreach ($profiling_field_options_exact_values as $profilingkey=>$profilingvalue){
$profiling_field_options_exact_values_sql .= "OR (field_id = '".$profilingvalue['field_id']."' AND field_value='".$profilingvalue['option_value']."') ";
}
// getting all the user ids of the users who have chosen on of the predefined fields that contain the keyword
// or all the users who have entered the keyword in a free-form field
$sql_profiling_values = "SELECT user.user_id as col0, user.official_code as col1, user.lastname as col2, user.firstname as col3, user.email as col4, user.active as col5, user.user_id as col6
FROM $table_user user, $table_user_field_values user_values
WHERE user.user_id = user_values.user_id
AND ( field_value LIKE '%".$keyword."%'
".$profiling_field_options_exact_values_sql.")";
$result_profiling_values = Database::query($sql_profiling_values);
while ($profiled_users = Database::fetch_array($result_profiling_values)) {
$additional_users[$profiled_users['col0']] = $profiled_users;
}
return $additional_users;
}
/**
* This function displays a dropdown list with all the additional user profile fields defined by the platform administrator in
* platform administration > profiling. Only the fields that have predefined fields are usefull for such a filter.
*
*/
function display_extra_profile_fields_filter() {
// getting all the additional user profile fields
$extra = UserManager::get_extra_fields(0,50,5,'ASC');
$return='< option value = "" > '.get_lang('SelectFilter').'< / option > ';
// looping through the additional user profile fields
foreach($extra as $id => $field_details) {
// $field_details[2] contains the type of the additional user profile field
switch($field_details[2]) {
// text fields cannot be used as a filter
case UserManager::USER_FIELD_TYPE_TEXT:
break;
// text area fields cannot be used as a filter
case UserManager::USER_FIELD_TYPE_TEXTAREA:
break;
case UserManager::USER_FIELD_TYPE_RADIO:
case UserManager::USER_FIELD_TYPE_SELECT:
case UserManager::USER_FIELD_TYPE_SELECT_MULTIPLE:
$return .= '< optgroup label = "'.$field_details[3].'" > ';
foreach($field_details[9] as $option_id => $option_details) {
if ($_GET['subscribe_user_filter_value'] == $field_details[0].'*'.$option_details[1]) {
$selected = 'selected="selected"';
} else {
$selected = false;
}
$return .= '< option value = "'.$field_details[0].'*'.$option_details[1].'" ' . $ selected . ' > '.$option_details[2].'< / option > ';
}
$return .= '< / optgroup > ';
break;
}
}
echo '< form id = "subscribe_user_filter" name = "subscribe_user_filter" method = "get" action = "'.api_get_self().'?api_get_cidreq" style = "float:left;" > ';
echo ' < input type = "hidden" name = "type" id = "type" value = "'.Security::remove_XSS($_REQUEST['type']).'" / > ';
echo '< select name = "subscribe_user_filter_value" id = "subscribe_user_filter_value" > '.$return.'< / select > ';
echo '< button type = "submit" name = "submit_filter" id = "submit_filter" value = "" class = "search" > '.get_lang('Filter').'< / button > ';
echo '< / form > ';
}
