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636 lines
20 KiB
636 lines
20 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 S.A.
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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) various contributors
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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, 44 rue des palais, 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 is the index file displayed when a user arrives at Dokeos.
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*
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* It dispalys:
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* - tree of courses and categories
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* - login form
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* - public menu
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*
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* Search for
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* CONFIGURATION parameters
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* to modify settings
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*
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* @todo rewrite code to separate display, logic, database code
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* @package dokeos.main
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==============================================================================
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*/
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/**
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* @todo shouldn't the SCRIPTVAL_ and CONFVAL_ constant be moved to the config page? Has anybody any idea what the are used for?
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* if these are really configuration settings then we can add those to the dokeos config settings
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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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// only this script should have this constant defined
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define('DOKEOS_HOMEPAGE', true);
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// Don't change these settings
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define("SCRIPTVAL_No", 0);
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define("SCRIPTVAL_InCourseList", 1);
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define("SCRIPTVAL_UnderCourseList", 2);
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define("SCRIPTVAL_Both", 3);
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define("SCRIPTVAL_NewEntriesOfTheDay", 4);
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define("SCRIPTVAL_NewEntriesOfTheDayOfLastLogin", 5);
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define("SCRIPTVAL_NoTimeLimit", 6);
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// End 'don't change' section
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$langFile = array ('courses', 'index');
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$cidReset = true; /* Flag forcing the 'current course' reset,
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as we're not inside a course anymore */
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/*
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-----------------------------------------------------------
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Included libraries
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-----------------------------------------------------------
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*/
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include_once ('./main/inc/global.inc.php');
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include_once (api_get_path(LIBRARY_PATH).'course.lib.php');
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include_once (api_get_path(LIBRARY_PATH).'debug.lib.inc.php');
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include_once (api_get_path(LIBRARY_PATH).'events.lib.inc.php');
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include_once (api_get_path(LIBRARY_PATH).'system_announcements.lib.php');
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include_once (api_get_path(LIBRARY_PATH).'groupmanager.lib.php');
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include_once (api_get_path(LIBRARY_PATH).'formvalidator/FormValidator.class.php');
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// the section (for the tabs)
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$this_section = SECTION_CAMPUS;
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/*
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-----------------------------------------------------------
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Action Handling
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-----------------------------------------------------------
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*/
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if ($_GET['logout'])
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{
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$query_string='';
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if(!empty($_SESSION['user_language_choice']))
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{
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$query_string='?language='.$_SESSION['user_language_choice'];
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}
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$tbl_track_login = Database :: get_statistic_table(STATISTIC_TRACK_E_LOGIN_TABLE);
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$sql_last_connection="SELECT login_id, login_date FROM $tbl_track_login WHERE login_user_id='".$_GET["uid"]."' ORDER BY login_date DESC LIMIT 0,1";
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$q_last_connection=mysql_query($sql_last_connection);
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$i_id_last_connection=mysql_result($q_last_connection,0,"login_id");
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$s_sql_update_logout_date="UPDATE $tbl_track_login SET logout_date=NOW() WHERE login_id='$i_id_last_connection'";
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api_sql_query($s_sql_update_logout_date);
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//LoginDelete(".$_user['user_id'].", $statsDbName);
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LoginDelete($_GET["uid"], $statsDbName);
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api_session_destroy();
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header("Location: index.php$query_string");
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exit();
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}
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/*
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-----------------------------------------------------------
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Table definitions
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-----------------------------------------------------------
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*/
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$main_course_table = Database :: get_main_table(MAIN_COURSE_TABLE);
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$main_category_table = Database :: get_main_table(MAIN_CATEGORY_TABLE);
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$track_login_table = Database :: get_statistic_table(STATISTIC_TRACK_E_LOGIN_TABLE);
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/*
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-----------------------------------------------------------
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Constants and CONFIGURATION parameters
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-----------------------------------------------------------
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*/
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// @todo shouldn't these be moved to the config page or made into dokeos config settings?
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// ---- Category list options ----
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/** defines wether or not anonymous visitors can see a list of the courses on
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the Dokeos homepage that are open to the world */
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define('DISPLAY_COURSES_TO_ANONYMOUS_USERS', true);
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define('CONFVAL_showNodeEmpty', true);
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define('CONFVAL_showNumberOfChild', false); // actually count are only for direct children
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define('CONFVAL_ShowLinkBackToTopOfTree', false);
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// ---- Course list options ----
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define("CONFVAL_showCourseLangIfNotSameThatPlatform", TRUE);
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// Preview of course content
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// to disable all: set CONFVAL_maxTotalByCourse = 0
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// to enable all: set e.g. CONFVAL_maxTotalByCourse = 5
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// by default disabled since what's new icons are better (see function display_digest() )
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define("CONFVAL_maxValvasByCourse", 2); // Maximum number of entries
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define("CONFVAL_maxAgendaByCourse", 2); // collected from each course
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define("CONFVAL_maxTotalByCourse", 0); // and displayed in summary.
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define("CONFVAL_NB_CHAR_FROM_CONTENT", 80);
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// Order to sort data
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$orderKey = array('keyTools', 'keyTime', 'keyCourse'); // default "best" Choice
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//$orderKey = array('keyTools', 'keyCourse', 'keyTime');
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//$orderKey = array('keyCourse', 'keyTime', 'keyTools');
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//$orderKey = array('keyCourse', 'keyTools', 'keyTime');
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define('CONFVAL_showExtractInfo', SCRIPTVAL_UnderCourseList);
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// SCRIPTVAL_InCourseList // best choice if $orderKey[0] == 'keyCourse'
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// SCRIPTVAL_UnderCourseList // best choice
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// SCRIPTVAL_Both // probably only for debug
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//$dateFormatForInfosFromCourses = $dateFormatShort;
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$dateFormatForInfosFromCourses = $dateFormatLong;
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//define("CONFVAL_limitPreviewTo",SCRIPTVAL_NewEntriesOfTheDay);
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//define("CONFVAL_limitPreviewTo",SCRIPTVAL_NoTimeLimit);
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define("CONFVAL_limitPreviewTo", SCRIPTVAL_NewEntriesOfTheDayOfLastLogin);
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if (isset ($_user['user_id']))
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{
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$nameTools = api_get_setting('siteName');
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}
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/*
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-----------------------------------------------------------
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Check configuration parameters integrity
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-----------------------------------------------------------
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*/
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if (CONFVAL_showExtractInfo != SCRIPTVAL_UnderCourseList and $orderKey[0] != "keyCourse")
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{
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// CONFVAL_showExtractInfo must be SCRIPTVAL_UnderCourseList to accept $orderKey[0] !="keyCourse"
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if (DEBUG || api_is_platform_admin()) // Show bug if admin. Else force a new order
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die("
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<strong>
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config error:".__FILE__."</strong>
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<br/>
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set
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<ul>
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<li>
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CONFVAL_showExtractInfo=SCRIPTVAL_UnderCourseList
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(actually : ".CONFVAL_showExtractInfo.")
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</li>
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</ul>
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or
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<ul>
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<li>
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\$orderKey[0] !=\"keyCourse\"
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(actually : ".$orderKey[0].")
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</li>
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</ul>");
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else
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{
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$orderKey = array ("keyCourse", "keyTools", "keyTime");
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}
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}
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/*
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==============================================================================
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LOGIN
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==============================================================================
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*/
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if ($_GET["submitAuth"] == 1)
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{
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// nice lie!!!
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echo "Attempted breakin - sysadmins notified.";
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session_destroy();
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die();
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}
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if ($_POST["submitAuth"])
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{
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// To ensure legacy compatibility, we set the following variables.
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// But they should be removed at last.
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$lastname = $_user['lastName'];
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$firstname = $_user['firstName'];
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$email = $_user['mail'];
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$status = $uData['status'];
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if (isset ($_user['user_id']))
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{
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$sqlLastLogin = "SELECT UNIX_TIMESTAMP(login_date)
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FROM $track_login_table
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WHERE login_user_id = '".$_user['user_id']."'
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ORDER BY login_date DESC LIMIT 1";
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$resLastLogin = api_sql_query($sqlLastLogin, __FILE__, __LINE__);
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if (!$resLastLogin)
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if (mysql_num_rows($resLastLogin) > 0)
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{
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$user_last_login_datetime = mysql_fetch_array($resLastLogin);
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$user_last_login_datetime = $user_last_login_datetime[0];
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api_session_register('user_last_login_datetime');
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}
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mysql_free_result($resLastLogin);
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event_login();
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if (api_is_platform_admin())
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{
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// decode all open event informations and fill the track_c_* tables
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include (api_get_path(LIBRARY_PATH)."stats.lib.inc.php");
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decodeOpenInfos();
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}
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}
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} // end login -- if($submit)
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else
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{
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// only if login form was not sent because if the form is sent the user was
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// already on the page.
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event_open();
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}
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/*
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-----------------------------------------------------------
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Header
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include the HTTP, HTML headers plus the top banner
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-----------------------------------------------------------
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*/
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$help = "Clar";
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Display :: display_header('', $help);
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/*
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==============================================================================
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FUNCTIONS
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display_anonymous_right_menu()
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display_anonymous_course_list()
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display_login_form()
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handle_login_failed()
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display_lost_password_info()
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==============================================================================
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*/
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/*
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-----------------------------------------------------------
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Display functions
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-----------------------------------------------------------
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*/
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/**
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* Displays the right-hand menu for anonymous users:
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* login form, useful links, help section
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* Warning: function defines globals
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* @version 1.0.1
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* @todo does $_plugins need to be global?
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*/
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function display_anonymous_right_menu()
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{
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global $loginFailed, $_plugins;
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$platformLanguage = api_get_setting('platformLanguage');
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if ( !(isset(api_get_user_id()) && api_get_user_id()) ) // only display if the user isn't logged in
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{
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api_display_language_form();
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echo '<br />';
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display_login_form();
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if ($loginFailed)
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{
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handle_login_failed();
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}
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if (api_get_setting('allow_lostpassword') == 'true' OR api_get_setting('allow_registration') == 'true')
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{
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echo '<div class="menusection"><span class="menusectioncaption">'.get_lang('MenuUser').'</span><ul class="menulist">';
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if (get_setting('allow_registration') <> 'false')
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{
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echo '<li><a href="main/auth/inscription.php">'.get_lang('Reg').'</a></li>';
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}
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if (get_setting('allow_lostpassword') == 'true')
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{
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display_lost_password_info();
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}
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echo '</ul></div>';
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}
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api_plugin('loginpage_menu');
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}
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/*** hide right menu "general" and other parts on anonymous right menu *****/
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echo "<div class=\"menusection\">", "<span class=\"menusectioncaption\">".get_lang("MenuGeneral")."</span>";
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echo "<ul class=\"menulist\">";
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$user_selected_language = $_SESSION["user_language_choice"];
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if (!isset ($user_selected_language))
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$user_selected_language = $platformLanguage;
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if(!file_exists('home/home_menu_'.$user_selected_language.'.html'))
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{
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include ('home/home_menu.html');
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}
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else
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{
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include('home/home_menu_'.$user_selected_language.'.html');
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}
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echo '</ul>';
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echo '</div>';
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if (api_get_user_id())
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{
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api_plugin('campushomepage_menu');
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}
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/**** use this comment to hide notice file section from right menu ****
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echo '<div class="note">';
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// includes for any files to be displayed below anonymous right menu
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if(!file_exists('home/home_notice_'.$user_selected_language.'.html'))
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{
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include ('home/home_notice.html');
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}
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else
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{
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include('home/home_notice_'.$user_selected_language.'.html');
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}
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echo '</div>';
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**** end of hide various right menu items on anonymous right menu ****/
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}
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/**
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* Reacts on a failed login:
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* displays an explanation with
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* a link to the registration form.
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*
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* @version 1.0.1
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*/
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function handle_login_failed()
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{
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switch ($_GET['error'])
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{
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case '':
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$message = get_lang("InvalidId");
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if (api_is_self_registration_allowed())
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{
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$message = get_lang("InvalidForSelfRegistration");
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}
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break;
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case 'account_expired':
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$message=get_lang('AccountExpired');
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break;
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case 'account_inactive':
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$message=get_lang('AccountInactive');
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break;
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case 'user_password_incorrect':
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$message=get_lang('InvalidId');
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break;
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}
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echo "<div id=\"login_fail\">".$message."</div>";
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}
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/**
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* Adds a form to let users login
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* @version 1.1
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*/
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function display_login_form()
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{
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$form = new FormValidator('formLogin');
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$form->addElement('text','login',get_lang('UserName'),array('size'=>15));
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$form->addElement('password','password',get_lang('Pass'),array('size'=>15));
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$form->addElement('submit','submitAuth',get_lang('Ok'));
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$renderer =& $form->defaultRenderer();
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$element_template = '<!-- BEGIN required --><span class="form_required">*</span> <!-- END required -->{label}<br />
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<!-- BEGIN error --><span class="form_error">{error}</span><br /><!-- END error --> {element}<br />';
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$renderer->setElementTemplate($element_template);
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$form->display();
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}
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/**
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* Displays a link to the lost password section
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*/
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function display_lost_password_info()
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{
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echo "<li><a href=\"main/auth/lostPassword.php\">".get_lang("LostPassword")."</a></li>";
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}
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/**
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* Display list of courses in a category.
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* (for anonymous users)
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*
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* Warning: this function defines globals.
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* @version 1.0
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*/
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function display_anonymous_course_list()
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{
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//init
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global $coursesRepositoryWeb;
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$web_course_path = api_get_path(WEB_COURSE_PATH);
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$category = $_GET["category"];
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$main_course_table = Database :: get_main_table(MAIN_COURSE_TABLE);
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$main_category_table = Database :: get_main_table(MAIN_CATEGORY_TABLE);
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$platformLanguage = api_get_setting('platformLanguage');
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//get list of courses in category $category
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$sql_get_course_list = "SELECT * FROM $main_course_table cours
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WHERE category_code = '".$category."'
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ORDER BY UPPER(visual_code)";
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//removed: AND cours.visibility='".COURSE_VISIBILITY_OPEN_WORLD."'
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$sql_result_courses = api_sql_query($sql_get_course_list, __FILE__, __LINE__);
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while ($course_result = mysql_fetch_array($sql_result_courses))
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{
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$course_list[] = $course_result;
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}
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$sqlGetSubCatList = "
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SELECT t1.name,t1.code,t1.parent_id,t1.children_count,COUNT(DISTINCT t3.code) AS nbCourse
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FROM $main_category_table t1
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LEFT JOIN $main_category_table t2 ON t1.code=t2.parent_id
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LEFT JOIN $main_course_table t3 ON (t3.category_code=t1.code AND t3.visibility='".COURSE_VISIBILITY_OPEN_WORLD."')
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WHERE t1.parent_id ". (empty ($category) ? "IS NULL" : "='$category'")."
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GROUP BY t1.name,t1.code,t1.parent_id,t1.children_count ORDER BY t1.tree_pos";
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$resCats = api_sql_query($sqlGetSubCatList, __FILE__, __LINE__);
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$thereIsSubCat = FALSE;
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if (mysql_num_rows($resCats) > 0)
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{
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$htmlListCat = "<h4 style=\"margin-top: 0px;\">".get_lang("CatList")."</h4>"."<ul>";
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while ($catLine = mysql_fetch_array($resCats))
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{
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if ($catLine['code'] != $category)
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{
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$htmlListCat .= "<li>";
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$category_has_open_courses = category_has_open_courses($catLine['code']);
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if ($category_has_open_courses)
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{
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//the category contains courses accessible to anonymous visitors
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$htmlListCat .= "<a href=\"".$_SERVER['PHP_SELF']."?category=".$catLine['code']."\">".$catLine['name']."</a>";
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if (CONFVAL_showNumberOfChild)
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{
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$htmlListCat .= " (".$catLine['nbCourse']." ".get_lang("Courses").")";
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}
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}
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elseif ($catLine['children_count'] > 0)
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{
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//the category has children, subcategories
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$htmlListCat .= "<a href=\"".$_SERVER['PHP_SELF']."?category=".$catLine['code']."\">".$catLine['name']."</a>";
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}
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/************************************************************************
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end changed code to eliminate the (0 courses) after empty categories
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************************************************************************/
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elseif (CONFVAL_showNodeEmpty)
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{
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$htmlListCat .= $catLine['name'];
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}
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$htmlListCat .= "</li>\n";
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$thereIsSubCat = true;
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}
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else
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{
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$htmlTitre = "<p>";
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if (CONFVAL_ShowLinkBackToTopOfTree)
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{
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$htmlTitre .= "<a href=\"".$_SERVER['PHP_SELF']."\">"."<< ".get_lang("BackToHomePage")."</a>";
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}
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if (!is_null($catLine['parent_id']) || (!CONFVAL_ShowLinkBackToTopOfTree && !is_null($catLine['code'])))
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{
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$htmlTitre .= "<a href=\"".$_SERVER['PHP_SELF']."?category=".$catLine['parent_id']."\">"."<< ".get_lang("Up")."</a>";
|
|
}
|
|
$htmlTitre .= "</p>\n";
|
|
if ($category != "" && !is_null($catLine['code']))
|
|
{
|
|
$htmlTitre .= "<h3>".$catLine['name']."</h3>\n";
|
|
}
|
|
else
|
|
{
|
|
$htmlTitre .= "<h3>".get_lang("Categories")."</h3>\n";
|
|
}
|
|
}
|
|
}
|
|
$htmlListCat .= "</ul>\n";
|
|
}
|
|
echo $htmlTitre;
|
|
if ($thereIsSubCat)
|
|
echo $htmlListCat;
|
|
while ($categoryName = mysql_fetch_array($resCats))
|
|
{
|
|
echo "<h3>", $categoryName['name'], "</h3>\n";
|
|
}
|
|
$numrows = mysql_num_rows($sql_result_courses);
|
|
if ($numrows > 0)
|
|
{
|
|
if ($thereIsSubCat)
|
|
echo "<hr size=\"1\" noshade=\"noshade\">\n";
|
|
echo "<h4 style=\"margin-top: 0px;\">", get_lang("CourseList"), "</h4>\n", "<ul>\n";
|
|
while ($course = mysql_fetch_array($sql_result_courses))
|
|
{
|
|
echo "<li>\n", "<a href=\"".$web_course_path.$course['directory'], "/\">", $course['title'], "</a>", "<br/>", $course['visual_code'], " - ", $course['tutor_name'], ((CONFVAL_showCourseLangIfNotSameThatPlatform && $course['course_language'] != $platformLanguage) ? " - ".$course['course_language'] : ""), "\n", "</li>\n";
|
|
}
|
|
echo "</ul>\n";
|
|
}
|
|
else
|
|
{
|
|
// echo "<blockquote>",get_lang('_No_course_publicly_available'),"</blockquote>\n";
|
|
}
|
|
if ($category != "")
|
|
{
|
|
echo "<p>", "<a href=\"".$_SERVER['PHP_SELF']."\"><b><<</b> ", get_lang("BackToHomePage"), "</a>", "</p>\n";
|
|
}
|
|
}
|
|
|
|
function category_has_open_courses($category)
|
|
{
|
|
$main_course_table = Database :: get_main_table(MAIN_COURSE_TABLE);
|
|
$sql_query = "SELECT * FROM $main_course_table WHERE category_code='$category'";
|
|
$sql_result = api_sql_query($sql_query, __FILE__, __LINE__);
|
|
while ($course = mysql_fetch_array($sql_result))
|
|
{
|
|
if ($is_allowed_anonymous_access)
|
|
return true; //at least one open course
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/*
|
|
==============================================================================
|
|
MAIN CODE
|
|
==============================================================================
|
|
*/
|
|
|
|
echo '<div class="maincontent">';
|
|
/*
|
|
-----------------------------------------------------------------------------
|
|
Plugins for loginpage_main AND campushomepage_main
|
|
-----------------------------------------------------------------------------
|
|
*/
|
|
if (!api_get_user_id())
|
|
{
|
|
api_plugin('loginpage_main');
|
|
}
|
|
else
|
|
{
|
|
api_plugin('campushomepage_main');
|
|
}
|
|
|
|
|
|
if (!empty ($_GET['include']) && !strstr($_GET['include'], '/') && strstr($_GET['include'], '.html'))
|
|
{
|
|
include ('./home/'.$_GET['include']);
|
|
$pageIncluded = true;
|
|
}
|
|
else
|
|
{
|
|
if(!file_exists('home/home_news_'.$user_selected_language.'.html'))
|
|
{
|
|
include ('home/home_top.html');
|
|
}
|
|
else
|
|
{
|
|
include('home/home_top_'.$user_selected_language.'.html');
|
|
}
|
|
}
|
|
|
|
// Display System announcements
|
|
$announcement = $_GET['announcement'] ? $_GET['announcement'] : -1;
|
|
SystemAnnouncementManager :: display_announcements(VISIBLE_GUEST, $announcement);
|
|
|
|
// Display courses and category list
|
|
if (!$pageIncluded)
|
|
{
|
|
// echo '<div class="clear"> </div>';
|
|
echo '<div class="home_cats">';
|
|
if (DISPLAY_COURSES_TO_ANONYMOUS_USERS)
|
|
{
|
|
display_anonymous_course_list();
|
|
}
|
|
echo '</div>';
|
|
/*
|
|
echo '<div class="home_news">';
|
|
if(!file_exists('home/home_news_'.$user_selected_language.'.html'))
|
|
{
|
|
include ('home/home_news.html');
|
|
}
|
|
else
|
|
{
|
|
include('home/home_news_'.$user_selected_language.'.html');
|
|
}
|
|
echo '</div>';
|
|
*/
|
|
}
|
|
echo '</div>';
|
|
|
|
// Right Menu
|
|
// language form, login section + useful weblinks
|
|
echo '<div class="menu">';
|
|
display_anonymous_right_menu();
|
|
echo '</div>';
|
|
/*
|
|
==============================================================================
|
|
FOOTER
|
|
==============================================================================
|
|
*/
|
|
Display :: display_footer();
|
|
?>
|