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262 lines
9.7 KiB
262 lines
9.7 KiB
<?php
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/* For licensing terms, see /license.txt */
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/**
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HOME PAGE FOR EACH COURSE
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*
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* This page, included in every course's index.php is the home
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* page. To make administration simple, the teacher edits his
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* course from the home page. Only the login detects that the
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* visitor is allowed to activate, deactivate home page links,
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* access to the teachers tools (statistics, edit forums...).
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*
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* Edit visibility of tools
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*
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* visibility = 1 - everybody
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* visibility = 0 - course admin (teacher) and platform admin
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*
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* Who can change visibility ?
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*
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* admin = 0 - course admin (teacher) and platform admin
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* admin = 1 - platform admin
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*
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* Show message to confirm that a tools must be hide from available tools
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*
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* visibility 0,1
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*
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*
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* @package chamilo.course_home
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*/
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/* INIT SECTION */
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use \ChamiloSession as Session;
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// Name of the language file that needs to be included.
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$language_file = array('course_home','courses');
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$use_anonymous = true;
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// Including the global initialization file.
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require_once dirname(__FILE__).'/../inc/global.inc.php';
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// Delete LP sessions - commented out after seeing that normal
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// users in their first learnpath step (1st SCO of a SCORM)
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// cannot have their data saved if they "Return to course homepage"
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// before any LMSFinish()
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//unset($_SESSION['oLP']);
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//unset($_SESSION['lpobject']);
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// The section for the tabs
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$this_section = SECTION_COURSES;
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/* Constants */
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define('TOOL_PUBLIC', 'Public');
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define('TOOL_PUBLIC_BUT_HIDDEN', 'PublicButHide');
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define('TOOL_COURSE_ADMIN', 'courseAdmin');
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define('TOOL_PLATFORM_ADMIN', 'platformAdmin');
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define('TOOL_AUTHORING', 'toolauthoring');
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define('TOOL_INTERACTION', 'toolinteraction');
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define('TOOL_COURSE_PLUGIN', 'toolcourseplugin'); //all plugins that can be enabled in courses
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define('TOOL_ADMIN', 'tooladmin');
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define('TOOL_ADMIN_PLATFORM', 'tooladminplatform');
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define('TOOL_STUDENT_VIEW', 'toolstudentview');
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define('TOOL_ADMIN_VISIBLE', 'tooladminvisible');
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$user_id = api_get_user_id();
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$show_message = '';
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//Deleting group session
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Session::erase('toolgroup');
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Session::erase('_gid');
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$is_specialcourse = CourseManager::is_special_course($course_code);
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if ($is_specialcourse) {
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$autoreg = isset($_GET['autoreg']) ? Security::remove_XSS($_GET['autoreg']) : null;
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if ($autoreg == 1) {
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CourseManager::subscribe_user($user_id, $course_code, $status = STUDENT);
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}
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}
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if (isset($_GET['action']) && $_GET['action'] == 'subscribe') {
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if (Security::check_token('get')) {
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Security::clear_token();
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$auth = new AuthLib();
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$msg = $auth->subscribe_user($course_code);
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if (!empty($msg)) {
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$show_message .= Display::return_message(get_lang($msg));
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}
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}
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}
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/* Is the user allowed here? */
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api_protect_course_script(true);
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/* STATISTICS */
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if (!isset($coursesAlreadyVisited[$course_code])) {
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event_access_course();
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$coursesAlreadyVisited[$course_code] = 1;
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Session::write('coursesAlreadyVisited', $coursesAlreadyVisited);
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}
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$show_autolaunch_exercise_warning = false;
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// Exercise auto-launch
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$auto_launch = api_get_course_setting('enable_exercise_auto_launch');
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if (!empty($auto_launch)) {
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$session_id = api_get_session_id();
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//Exercise list
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if ($auto_launch == 2) {
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if (api_is_platform_admin() || api_is_allowed_to_edit()) {
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$show_autolaunch_exercise_warning = true;
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} else {
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$session_key = 'exercise_autolunch_'.$session_id.'_'.api_get_course_int_id().'_'.api_get_user_id();
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if (!isset($_SESSION[$session_key])) {
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//redirecting to the Exercise
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$url = api_get_path(WEB_CODE_PATH).'exercice/exercice.php?'.api_get_cidreq().'&id_session='.$session_id;
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Session::write($session_key, true);
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//$_SESSION[$session_key] = true;
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header("Location: $url");
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exit;
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}
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}
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} else {
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$table = Database::get_course_table(TABLE_QUIZ_TEST);
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$course_id = api_get_course_int_id();
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$condition = '';
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if (!empty($session_id)) {
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$condition = api_get_session_condition($session_id);
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$sql = "SELECT iid FROM $table WHERE c_id = $course_id AND autolaunch = 1 $condition LIMIT 1";
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$result = Database::query($sql);
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//If we found nothing in the session we just called the session_id = 0 autolaunch
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if (Database::num_rows($result) == 0) {
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$condition = '';
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} else {
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//great, there is an specific auto lunch for this session we leave the $condition
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}
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}
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$sql = "SELECT iid FROM $table WHERE c_id = $course_id AND autolaunch = 1 $condition LIMIT 1";
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$result = Database::query($sql);
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if (Database::num_rows($result) > 0) {
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$data = Database::fetch_array($result,'ASSOC');
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if (!empty($data['iid'])) {
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if (api_is_platform_admin() || api_is_allowed_to_edit()) {
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$show_autolaunch_exercise_warning = true;
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} else {
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$session_key = 'exercise_autolunch_'.$session_id.'_'.api_get_course_int_id().'_'.api_get_user_id();
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if (!isset($_SESSION[$session_key])) {
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//redirecting to the LP
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$url = api_get_path(WEB_CODE_PATH).'exercice/overview.php?'.api_get_cidreq().'&exerciseId='.$data['iid'];
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//$_SESSION[$session_key] = true;
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Session::write($session_key, true);
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header("Location: $url");
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exit;
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}
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}
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}
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}
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}
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}
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/* Auto launch code */
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$show_autolaunch_lp_warning = false;
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$auto_launch = api_get_course_setting('enable_lp_auto_launch');
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if (!empty($auto_launch)) {
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$session_id = api_get_session_id();
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//LP list
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if ($auto_launch == 2) {
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if (api_is_platform_admin() || api_is_allowed_to_edit()) {
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$show_autolaunch_lp_warning = true;
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} else {
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$session_key = 'lp_autolunch_'.$session_id.'_'.api_get_course_int_id().'_'.api_get_user_id();
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if (!isset($_SESSION[$session_key])) {
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//redirecting to the LP
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$url = api_get_path(WEB_CODE_PATH).'newscorm/lp_controller.php?'.api_get_cidreq().'&id_session='.$session_id;
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//$_SESSION[$session_key] = true;
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Session::write($session_key, true);
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header("Location: $url");
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exit;
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}
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}
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} else {
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$lp_table = Database::get_course_table(TABLE_LP_MAIN);
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$course_id = api_get_course_int_id();
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$condition = '';
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if (!empty($session_id)) {
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$condition = api_get_session_condition($session_id);
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$sql = "SELECT id FROM $lp_table WHERE c_id = $course_id AND autolunch = 1 $condition LIMIT 1";
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$result = Database::query($sql);
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//If we found nothing in the session we just called the session_id = 0 autolunch
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if (Database::num_rows($result) == 0) {
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$condition = '';
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} else {
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//great, there is an specific auto lunch for this session we leave the $condition
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}
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}
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$sql = "SELECT id FROM $lp_table WHERE c_id = $course_id AND autolunch = 1 $condition LIMIT 1";
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$result = Database::query($sql);
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if (Database::num_rows($result) > 0) {
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$lp_data = Database::fetch_array($result,'ASSOC');
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if (!empty($lp_data['id'])) {
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if (api_is_platform_admin() || api_is_allowed_to_edit()) {
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$show_autolaunch_lp_warning = true;
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} else {
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$session_key = 'lp_autolunch_'.$session_id.'_'.api_get_course_int_id().'_'.api_get_user_id();
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if (!isset($_SESSION[$session_key])) {
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//redirecting to the LP
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$url = api_get_path(WEB_CODE_PATH).'newscorm/lp_controller.php?'.api_get_cidreq().'&action=view&lp_id='.$lp_data['id'];
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//$_SESSION[$session_key] = true;
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Session::write($session_key, true);
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header("Location: $url");
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exit;
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}
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}
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}
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}
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}
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}
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$tool_table = Database::get_course_table(TABLE_TOOL_LIST);
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$temps = time();
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$reqdate = "&reqdate=$temps";
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/* MAIN CODE */
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/* Introduction section (editable by course admins) */
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$content = Display::return_introduction_section(TOOL_COURSE_HOMEPAGE, array(
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'CreateDocumentWebDir' => api_get_path(WEB_COURSE_PATH).api_get_course_path().'/document/',
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'CreateDocumentDir' => 'document/',
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'BaseHref' => api_get_path(WEB_COURSE_PATH).api_get_course_path().'/'
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));
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/* SWITCH TO A DIFFERENT HOMEPAGE VIEW
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the setting homepage_view is adjustable through
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the platform administration section */
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if ($show_autolaunch_lp_warning) {
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$show_message .= Display::return_message(get_lang('TheLPAutoLaunchSettingIsONStudentsWillBeRedirectToAnSpecificLP'),'warning');
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}
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if ($show_autolaunch_exercise_warning) {
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$show_message .= Display::return_message(get_lang('TheExerciseAutoLaunchSettingIsONStudentsWillBeRedirectToAnSpecificExercise'),'warning');
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}
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if (api_get_setting('homepage_view') == 'activity' || api_get_setting('homepage_view') == 'activity_big') {
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require 'activity.php';
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} elseif (api_get_setting('homepage_view') == '2column') {
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require '2column.php';
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} elseif (api_get_setting('homepage_view') == '3column') {
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require '3column.php';
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} elseif (api_get_setting('homepage_view') == 'vertical_activity') {
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require 'vertical_activity.php';
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}
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$content = '<div id="course_tools">'.$content.'</div>';
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Session::erase('_gid');
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return array('content' => $content, 'message' => $show_message);
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