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396 lines
12 KiB
396 lines
12 KiB
<?php
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/*
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==============================================================================
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Dokeos - elearning and course management software
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Copyright (c) 2004-2005 Dokeos SPRL
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Copyright (c) 2003 Ghent University (UGent)
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Copyright (c) 2001 Universite catholique de Louvain (UCL)
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Copyright (c) Elie harfouche (elie at harfdesign dot com)
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Copyright (c) Roan Embrechts, Vrije Universiteit Brussel
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Copyright (c) Wolfgang Schneider
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Copyright (c) Bart Mollet, Hogeschool Gent
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For a full list of contributors, see "credits.txt".
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The full license can be read in "license.txt".
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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See the GNU General Public License for more details.
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Contact address: Dokeos, rue du Corbeau, 108, B-1030 Brussels, Belgium
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Mail: info@dokeos.com
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==============================================================================
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*/
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/**
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==============================================================================
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* This script allows teachers to subscribe existing users
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* to their course.
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*
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* @package dokeos.user
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==============================================================================
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*/
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/*
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==============================================================================
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INIT SECTION
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==============================================================================
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*/
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// name of the language file that needs to be included
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$language_file = array('registration','admin');
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include ("../inc/global.inc.php");
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$this_section = SECTION_COURSES;
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if (!api_is_allowed_to_edit()) api_not_allowed(true);
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require_once (api_get_path(LIBRARY_PATH).'course.lib.php');
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require_once (api_get_path(LIBRARY_PATH).'sortabletable.class.php');
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require_once (api_get_path(LIBRARY_PATH).'formvalidator/FormValidator.class.php');
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/*
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==============================================================================
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MAIN CODE
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==============================================================================
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*/
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/*
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-----------------------------------------------------------
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Header
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-----------------------------------------------------------
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*/
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$tool_name = get_lang("SubscribeUserToCourse");
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//extra entries in breadcrumb
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$interbreadcrumb[] = array ("url" => "user.php", "name" => get_lang("Users"));
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Display :: display_header($tool_name, "User");
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api_display_tool_title($tool_name);
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/*
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==============================================================================
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MAIN SECTION
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==============================================================================
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*/
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$list_register_user='';
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$list_not_register_user='';
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if (isset ($_REQUEST['register']))
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{
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if(isset($_REQUEST['type']) && $_REQUEST['type']=='teacher')
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{
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$result_simple_sub=CourseManager :: subscribe_user(Database::escape_string($_REQUEST['user_id']), $_course['sysCode'],COURSEMANAGER);
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}
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else
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{
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$result_simple_sub=CourseManager :: subscribe_user(Database::escape_string($_REQUEST['user_id']), $_course['sysCode']);
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}
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$user_id_temp=$_SESSION['session_user_id'];
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if (is_array($user_id_temp))
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{
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$counter = count($user_id_temp);
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for ($j=0; $j<$counter;$j++)
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{
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if ($user_id_temp[$j]==$_GET['user_id'])
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{
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if ($result_simple_sub)
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{
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Display::display_confirmation_message($_SESSION['session_user_name'][$j].' '.get_lang('langAddedToCourse'));
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}
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else
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{
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Display::display_error_message($_SESSION['session_user_name'][$j].' '.get_lang('langNotAddedToCourse'));
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}
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}
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}
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unset($_SESSION['session_user_id']);
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unset($_SESSION['session_user_name']);
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}
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}
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if (isset ($_POST['action']))
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{
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switch ($_POST['action'])
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{
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case 'subscribe' :
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if (is_array($_POST['user']))
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{
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foreach ($_POST['user'] as $index => $user_id)
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{
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$user_id=Database::escape_string($user_id);
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if(isset($_REQUEST['type']) && $_REQUEST['type']=='teacher')
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{
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$is_suscribe[]=CourseManager :: subscribe_user($user_id, $_course['sysCode'],COURSEMANAGER);
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} else {
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$is_suscribe[]=CourseManager :: subscribe_user($user_id, $_course['sysCode']);
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}
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$is_suscribe_user_id[]=$user_id;
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}
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}
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$user_id_temp=$_SESSION['session_user_id'];
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$user_name_temp=$_SESSION['session_user_name'];
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unset($_SESSION['session_user_id']);
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unset($_SESSION['session_user_name']);
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$counter=0;
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$$is_suscribe_counter=count($is_suscribe_user_id);
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$list_register_user='';
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if ($$is_suscribe_counter!=1)
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{
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for ($i=0; $i<$$is_suscribe_counter;$i++)
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{
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for ($j=0; $j<count($user_id_temp);$j++)
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{
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if ($is_suscribe_user_id[$i]==$user_id_temp[$j])
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{
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if ($is_suscribe[$i])
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{
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$list_register_user.=" - ".$user_name_temp[$j].'<br/>';
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$counter++;
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}
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else
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{
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$list_not_register_user.=" - ".$user_name_temp[$j].'<br/>';
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}
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}
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}
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}
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}
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else
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{
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$list_register_user=$user_name_temp[0]; // only 1 user register
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}
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if (!empty($list_register_user))
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{
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if ($$is_suscribe_counter==1)
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{
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$register_user_message=$list_register_user.' '.get_lang('langAddedToCourse');
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Display::display_confirmation_message($register_user_message,false);
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}
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else
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{
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$register_user_message='<br />'.get_lang('UsersRegistered').'<br/><br />'.$list_register_user;
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Display::display_confirmation_message($register_user_message,false);
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}
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}
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if (!empty($list_not_register_user))
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{
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$not_register_user_message='<br />'.get_lang('UsersNotRegistered').'<br/><br /><br />'.$list_not_register_user;
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Display::display_error_message($not_register_user_message,false);
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}
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break;
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}
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}
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if (!empty($_SESSION['session_user_id']))
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{
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unset($_SESSION['session_user_id']);
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}
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if (!empty($_SESSION['session_user_name']))
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{
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unset($_SESSION['session_user_name']);
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}
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/*
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-----------------------------------------------------------
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SHOW LIST OF USERS
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-----------------------------------------------------------
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*/
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/**
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* * Get the users to display on the current page.
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*/
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function get_number_of_users()
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{
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$user_table = Database :: get_main_table(TABLE_MAIN_USER);
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$course_user_table = Database :: get_main_table(TABLE_MAIN_COURSE_USER);
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if(isset($_REQUEST['type']) && $_REQUEST['type']=='teacher')
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{
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$sql = "SELECT u.user_id
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FROM $user_table u
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LEFT JOIN $course_user_table cu on u.user_id = cu.user_id and course_code='".$_SESSION['_course']['id']."'
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WHERE cu.user_id IS NULL AND u.status='1'
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";
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}
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else
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{
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$sql = "SELECT u.user_id
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FROM $user_table u
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LEFT JOIN $course_user_table cu on u.user_id = cu.user_id and course_code='".$_SESSION['_course']['id']."'
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WHERE cu.user_id IS NULL AND u.status='5'
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";
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}
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if (isset ($_REQUEST['keyword']))
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{
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$keyword = Database::escape_string($_REQUEST['keyword']);
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$sql .= " AND (firstname LIKE '%".$keyword."%' OR lastname LIKE '%".$keyword."%' OR username LIKE '%".$keyword."%' OR official_code LIKE '%".$keyword."%')";
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}
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$res = api_sql_query($sql, __FILE__, __LINE__);
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$result = Database::num_rows($res);
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return $result;
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}
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/**
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* Get the users to display on the current page.
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*/
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function get_user_data($from, $number_of_items, $column, $direction)
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{
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$user_table = Database :: get_main_table(TABLE_MAIN_USER);
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$course_user_table = Database :: get_main_table(TABLE_MAIN_COURSE_USER);
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if(isset($_REQUEST['type']) && $_REQUEST['type']=='teacher')
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{
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$sql = "SELECT
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u.user_id AS col0,
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u.official_code AS col1,
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u.lastname AS col2,
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u.firstname AS col3,
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u.email AS col4,
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u.active AS col5,
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u.user_id AS col6
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FROM $user_table u
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LEFT JOIN $course_user_table cu on u.user_id = cu.user_id and course_code='".$_SESSION['_course']['id']."'
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WHERE u.status='1' and cu.user_id IS NULL
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";
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}
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else
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{
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$sql = "SELECT
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u.user_id AS col0,
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u.official_code AS col1,
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u.lastname AS col2,
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u.firstname AS col3,
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u.email AS col4,
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u.active AS col5,
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u.user_id AS col6
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FROM $user_table u
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LEFT JOIN $course_user_table cu on u.user_id = cu.user_id and course_code='".$_SESSION['_course']['id']."'
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WHERE u.status='5' and cu.user_id IS NULL
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";
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}
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if (isset ($_REQUEST['keyword']))
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{
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$keyword = Database::escape_string($_REQUEST['keyword']);
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$sql .= " AND (firstname LIKE '%".$keyword."%' OR lastname LIKE '%".$keyword."%' OR username LIKE '%".$keyword."%' OR official_code LIKE '%".$keyword."%')";
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}
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$sql .= " ORDER BY col$column $direction ";
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$sql .= " LIMIT $from,$number_of_items";
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$res = api_sql_query($sql, __FILE__, __LINE__);
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$users = array ();
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while ($user = Database::fetch_row($res))
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{
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$users[] = $user;
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$_SESSION['session_user_id'][]=$user[0];
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$_SESSION['session_user_name'][]=$user[3].' '.$user[2];
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}
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return $users;
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}
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/**
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* Returns a mailto-link
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* @param string $email An email-address
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* @return string HTML-code with a mailto-link
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*/
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function email_filter($email)
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{
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return Display :: encrypted_mailto_link($email, $email);
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}
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/**
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* Build the reg-column of the table
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* @param int $user_id The user id
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* @return string Some HTML-code
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*/
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function reg_filter($user_id)
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{
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if(isset($_REQUEST['type']) && $_REQUEST['type']=='teacher') $type='teacher'; else $type='student';
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$result = "<a href=\"".api_get_self()."?register=yes&type=".$type."&user_id=".$user_id."\">".get_lang("reg")."</a>";
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return $result;
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}
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/**
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* Build the active-column of the table to lock or unlock a certain user
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* lock = the user can no longer use this account
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* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
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* @param int $active the current state of the account
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* @param int $user_id The user id
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* @param string $url_params
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* @return string Some HTML-code with the lock/unlock button
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*/
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function active_filter($active, $url_params, $row)
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{
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global $_user;
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if ($active=='1')
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{
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$action='AccountActive';
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$image='right';
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}
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if ($active=='0')
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{
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$action='AccountInactive';
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$image='wrong';
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}
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if ($row['0']<>$_user['user_id']) // you cannot lock yourself out otherwise you could disable all the accounts including your own => everybody is locked out and nobody can change it anymore.
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{
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$result = '<center><img src="../img/'.$image.'.gif" border="0" style="vertical-align: middle;" alt="'.get_lang(ucfirst($action)).'" title="'.get_lang(ucfirst($action)).'"/></center>';
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}
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return $result;
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}
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// Build search-form
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$form = new FormValidator('search_user', 'POST',api_get_self().'?type='.$_REQUEST['type'],'',null,false);
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$renderer = & $form->defaultRenderer();
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$renderer->setElementTemplate('<span>{element}</span> ');
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$form->add_textfield('keyword', '', false);
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$form->addElement('submit', 'submit', get_lang('SearchButton'));
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// Build table
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$table = new SortableTable('users', 'get_number_of_users', 'get_user_data', 2);
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$parameters['keyword'] = $_REQUEST['keyword'];
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$parameters ['type'] = $_REQUEST['type'];
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$table->set_additional_parameters($parameters);
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$col = 0;
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$table->set_header($col ++, '', false);
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$table->set_header($col ++, get_lang('OfficialCode'));
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$table->set_header($col ++, get_lang('LastName'));
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$table->set_header($col ++, get_lang('FirstName'));
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$table->set_header($col ++, get_lang('Email'));
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$table->set_column_filter($col -1, 'email_filter');
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$table->set_header($col ++, get_lang('Active'),false);
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$table->set_column_filter($col -1, 'active_filter');
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$table->set_header($col ++, get_lang('reg'), false);
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$table->set_column_filter($col -1, 'reg_filter');
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$table->set_form_actions(array ('subscribe' => get_lang('reg')), 'user');
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// Display form & table
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$form->display();
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echo '<br />';
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$table->display();
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if ( !empty($_POST['keyword']))
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{
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$keyword_name=Security::remove_XSS($_POST['keyword']);
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echo '<br/>'.get_lang('SearchResultsFor').' <span style="font-style: italic ;"> '.$keyword_name.' </span><br>';
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}
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/*
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==============================================================================
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FOOTER
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==============================================================================
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*/
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Display :: display_footer();
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?>
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