Chamilo is a learning management system focused on ease of use and accessibility
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chamilo-lms/main/lp/lp_view.php

556 lines
19 KiB

<?php
/* For licensing terms, see /license.txt */
use ChamiloSession as Session;
/**
* This file was originally the copy of document.php, but many modifications happened since then ;
* the direct file view is not needed anymore, if the user uploads a scorm zip file, a directory
* will be automatically created for it, and the files will be uncompressed there for example ;
*
* @package chamilo.learnpath
* @author Yannick Warnier <ywarnier@beeznest.org> - redesign
* @author Denes Nagy, principal author
* @author Isthvan Mandak, several new features
* @author Roan Embrechts, code improvements and refactoring
*/
$use_anonymous = true;
$_SESSION['whereami'] = 'lp/view';
$this_section = SECTION_COURSES;
if ($lp_controller_touched != 1) {
header('location: lp_controller.php?action=view&item_id=' . intval($_REQUEST['item_id']));
exit;
}
require_once __DIR__.'/../inc/global.inc.php';
//To prevent the template class
$show_learnpath = true;
api_protect_course_script();
$lp_id = !empty($_GET['lp_id']) ? intval($_GET['lp_id']) : 0;
$sessionId = api_get_session_id();
// Check if the learning path is visible for student - (LP requisites)
if (!api_is_platform_admin()) {
if (
!api_is_allowed_to_edit(null, true, false, false) &&
!learnpath::is_lp_visible_for_student($lp_id, api_get_user_id())
) {
api_not_allowed(true);
}
}
// Checking visibility (eye icon)
$visibility = api_get_item_visibility(
api_get_course_info(),
TOOL_LEARNPATH,
$lp_id,
$action,
api_get_user_id(),
$sessionId
);
if (!api_is_allowed_to_edit(false, true, false, false) &&
intval($visibility) == 0
) {
api_not_allowed(true);
}
if (empty($_SESSION['oLP'])) {
api_not_allowed(true);
}
$debug = 0;
if ($debug) {
error_log('------ Entering lp_view.php -------');
}
$_SESSION['oLP']->error = '';
$lp_item_id = $_SESSION['oLP']->get_current_item_id();
$lpType = $_SESSION['oLP']->get_type();
if (!$is_allowed_to_edit) {
$categoryId = $_SESSION['oLP']->getCategoryId();
$em = Database::getManager();
if (!empty($categoryId)) {
/** @var \Chamilo\CourseBundle\Entity\CLpCategory $category */
$category = $em->getRepository('ChamiloCourseBundle:CLpCategory')->find($categoryId);
if ($category) {
$users = $category->getUsers();
if (!empty($users) && $users->count() > 0) {
$user = UserManager::getRepository()->find($user_id);
if (!$category->hasUserAdded($user)) {
api_not_allowed(true);
}
}
}
}
}
$course_code = api_get_course_id();
$course_id = api_get_course_int_id();
$user_id = api_get_user_id();
$platform_theme = api_get_setting('stylesheets'); // Platform's css.
$my_style = $platform_theme;
$htmlHeadXtra[] = '<script>
<!--
var jQueryFrameReadyConfigPath = \''.api_get_jquery_web_path().'\';
-->
</script>';
$htmlHeadXtra[] = '<script type="text/javascript" src="'.api_get_path(WEB_LIBRARY_PATH).'javascript/jquery.frameready.js"></script>';
$htmlHeadXtra[] = '<script>
$(document).ready(function() {
$("div#log_content_cleaner").bind("click", function() {
$("div#log_content").empty();
});
});
var chamilo_xajax_handler = window.oxajax;
</script>';
if ($_SESSION['oLP']->mode == 'embedframe' || $_SESSION['oLP']->get_hide_toc_frame() == 1) {
$htmlHeadXtra[] = '';
}
// Impress js
if ($_SESSION['oLP']->mode == 'impress') {
$lp_id = $_SESSION['oLP']->get_id();
$url = api_get_path(WEB_CODE_PATH) . "lp/lp_impress.php?lp_id=$lp_id&" . api_get_cidreq();
header("Location: $url");
exit;
}
// Prepare variables for the test tool (just in case) - honestly, this should disappear later on.
$_SESSION['scorm_view_id'] = $_SESSION['oLP']->get_view_id();
$_SESSION['scorm_item_id'] = $lp_item_id;
// Reinit exercises variables to avoid spacename clashes (see exercise tool)
if (isset($exerciseResult) || isset($_SESSION['exerciseResult'])) {
Session::erase('exerciseResult');
Session::erase('objExercise');
Session::erase('questionList');
}
// additional APIs
$htmlHeadXtra[] = '<script>
chamilo_courseCode = "' . $course_code . '";
</script>';
// Document API
$htmlHeadXtra[] = '<script src="js/documentapi.js" type="text/javascript" language="javascript"></script>';
// Storage API
$htmlHeadXtra[] = '<script>
var sv_user = \'' . api_get_user_id() . '\';
var sv_course = chamilo_courseCode;
var sv_sco = \'' . $lp_id . '\';
</script>'; // FIXME fetch sco and userid from a more reliable source directly in sotrageapi.js
$htmlHeadXtra[] = '<script type="text/javascript" src="js/storageapi.js"></script>';
/**
* Get a link to the corresponding document.
*/
if ($debug) {
error_log(" src: $src ");
error_log(" lp_type: $lpType ");
}
$get_toc_list = $_SESSION['oLP']->get_toc();
$get_teacher_buttons = $_SESSION['oLP']->get_teacher_toc_buttons();
$type_quiz = false;
foreach ($get_toc_list as $toc) {
if ($toc['id'] == $lp_item_id && $toc['type'] == 'quiz') {
$type_quiz = true;
}
}
if (!isset($src)) {
$src = null;
switch ($lpType) {
case 1:
$_SESSION['oLP']->stop_previous_item();
$htmlHeadXtra[] = '<script src="scorm_api.php" type="text/javascript" language="javascript"></script>';
$preReqCheck = $_SESSION['oLP']->prerequisites_match($lp_item_id);
if ($preReqCheck === true) {
$src = $_SESSION['oLP']->get_link(
'http',
$lp_item_id,
$get_toc_list
);
// Prevents FF 3.6 + Adobe Reader 9 bug see BT#794 when calling a pdf file in a LP.
$file_info = parse_url($src);
if (isset($file_info['path'])) {
$file_info = pathinfo($file_info['path']);
}
if (isset($file_info['extension']) &&
api_strtolower(substr($file_info['extension'], 0, 3) == 'pdf')
) {
$src = api_get_path(WEB_CODE_PATH).'lp/lp_view_item.php?lp_item_id='.$lp_item_id.'&'.api_get_cidreq();
}
$src = $_SESSION['oLP']->fixBlockedLinks($src);
$_SESSION['oLP']->start_current_item(); // starts time counter manually if asset
} else {
$src = 'blank.php?error=prerequisites';
}
break;
case 2:
// save old if asset
$_SESSION['oLP']->stop_previous_item(); // save status manually if asset
$htmlHeadXtra[] = '<script src="scorm_api.php" type="text/javascript" language="javascript"></script>';
$preReqCheck = $_SESSION['oLP']->prerequisites_match($lp_item_id);
if ($preReqCheck === true) {
$src = $_SESSION['oLP']->get_link('http', $lp_item_id, $get_toc_list);
$_SESSION['oLP']->start_current_item(); // starts time counter manually if asset
} else {
$src = 'blank.php?error=prerequisites';
}
break;
case 3:
// aicc
$_SESSION['oLP']->stop_previous_item(); // save status manually if asset
$htmlHeadXtra[] = '<script src="' . $_SESSION['oLP']->get_js_lib().'" type="text/javascript" language="javascript"></script>';
$preReqCheck = $_SESSION['oLP']->prerequisites_match($lp_item_id);
if ($preReqCheck === true) {
$src = $_SESSION['oLP']->get_link(
'http',
$lp_item_id,
$get_toc_list
);
$_SESSION['oLP']->start_current_item(); // starts time counter manually if asset
} else {
$src = 'blank.php';
}
break;
case 4:
break;
}
}
$autostart = 'true';
// Update status, total_time from lp_item_view table when you finish the exercises in learning path.
if ($debug) {
error_log('$type_quiz: ' . $type_quiz);
error_log('$_REQUEST[exeId]: ' . intval($_REQUEST['exeId']));
error_log('$lp_id: ' . $lp_id);
error_log('$_GET[lp_item_id]: ' . intval($_GET['lp_item_id']));
}
if (!empty($_REQUEST['exeId']) &&
isset($lp_id) &&
isset($_GET['lp_item_id'])
) {
global $src;
$_SESSION['oLP']->items[$_SESSION['oLP']->current]->write_to_db();
$TBL_TRACK_EXERCICES = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCISES);
$TBL_LP_ITEM_VIEW = Database::get_course_table(TABLE_LP_ITEM_VIEW);
$TBL_LP_ITEM = Database::get_course_table(TABLE_LP_ITEM);
$safe_item_id = intval($_GET['lp_item_id']);
$safe_id = $lp_id;
$safe_exe_id = intval($_REQUEST['exeId']);
if ($safe_id == strval(intval($safe_id)) &&
$safe_item_id == strval(intval($safe_item_id))
) {
$sql = 'SELECT start_date, exe_date, exe_result, exe_weighting, exe_exo_id
FROM ' . $TBL_TRACK_EXERCICES . '
WHERE exe_id = ' . $safe_exe_id;
$res = Database::query($sql);
$row_dates = Database::fetch_array($res);
$time_start_date = api_strtotime($row_dates['start_date'], 'UTC');
$time_exe_date = api_strtotime($row_dates['exe_date'], 'UTC');
$mytime = (int) $time_exe_date - (int) $time_start_date;
$score = (float) $row_dates['exe_result'];
$max_score = (float) $row_dates['exe_weighting'];
$sql = "UPDATE $TBL_LP_ITEM SET
max_score = '$max_score'
WHERE c_id = $course_id AND id = '" . $safe_item_id . "'";
Database::query($sql);
$sql = "SELECT id FROM $TBL_LP_ITEM_VIEW
WHERE
c_id = $course_id AND
lp_item_id = '$safe_item_id' AND
lp_view_id = '" . $_SESSION['oLP']->lp_view_id . "'
ORDER BY id DESC
LIMIT 1";
$res_last_attempt = Database::query($sql);
if (Database::num_rows($res_last_attempt) && !api_is_invitee()) {
$row_last_attempt = Database::fetch_row($res_last_attempt);
$lp_item_view_id = $row_last_attempt[0];
$exercise = new Exercise(api_get_course_int_id());
$exercise->read($row_dates['exe_exo_id']);
$status = 'completed';
if (!empty($exercise->pass_percentage)) {
$status = 'failed';
$success = ExerciseLib::is_success_exercise_result(
$score,
$max_score,
$exercise->pass_percentage
);
if ($success) {
$status = 'passed';
}
}
$sql = "UPDATE $TBL_LP_ITEM_VIEW SET
status = '$status',
score = $score,
total_time = $mytime
WHERE id='" . $lp_item_view_id . "' AND c_id = $course_id ";
if ($debug) {
error_log($sql);
}
Database::query($sql);
$sql = "UPDATE $TBL_TRACK_EXERCICES SET
orig_lp_item_view_id = $lp_item_view_id
WHERE exe_id = " . $safe_exe_id;
Database::query($sql);
}
}
if (intval($_GET['fb_type']) > 0) {
$src = 'blank.php?msg=exerciseFinished';
} else {
$src = api_get_path(WEB_CODE_PATH).'exercise/result.php?origin=learnpath&id='.$safe_exe_id.'&'.api_get_cidreq();
if ($debug) {
error_log('Calling URL: ' . $src);
}
}
$autostart = 'false';
}
$_SESSION['oLP']->set_previous_item($lp_item_id);
$nameTools = Security::remove_XSS($_SESSION['oLP']->get_name());
$save_setting = api_get_setting('show_navigation_menu');
global $_setting;
$_setting['show_navigation_menu'] = 'false';
$scorm_css_header = true;
$lp_theme_css = $_SESSION['oLP']->get_theme();
// Sets the css theme of the LP this call is also use at the frames (toc, nav, message).
if ($_SESSION['oLP']->mode == 'fullscreen') {
$htmlHeadXtra[] = "<script>window.open('$src','content_id','toolbar=0,location=0,status=0,scrollbars=1,resizable=1');</script>";
}
// Not in fullscreen mode.
// Check if audio recorder needs to be in studentview.
if (isset($_SESSION['status']) && $_SESSION['status'][$course_code] == 5) {
$audio_recorder_studentview = true;
} else {
$audio_recorder_studentview = false;
}
// Set flag to ensure lp_header.php is loaded by this script (flag is unset in lp_header.php).
$_SESSION['loaded_lp_view'] = true;
$display_none = '';
$margin_left = '340px';
//Media player code
$display_mode = $_SESSION['oLP']->mode;
$scorm_css_header = true;
$lp_theme_css = $_SESSION['oLP']->get_theme();
// Setting up the CSS theme if exists.
if (!empty($lp_theme_css) && !empty($mycourselptheme) && $mycourselptheme != -1 && $mycourselptheme == 1) {
global $lp_theme_css;
} else {
$lp_theme_css = $my_style;
}
$progress_bar = "";
if (!api_is_invitee()) {
$progress_bar = $_SESSION['oLP']->getProgressBar();
}
$navigation_bar = $_SESSION['oLP']->get_navigation_bar();
$navigation_bar_bottom = $_SESSION['oLP']->get_navigation_bar("control-bottom", "display:none");
$mediaplayer = $_SESSION['oLP']->get_mediaplayer($_SESSION['oLP']->current, $autostart);
$tbl_lp_item = Database::get_course_table(TABLE_LP_ITEM);
$show_audioplayer = false;
// Getting all the information about the item.
$sql = "SELECT audio FROM " . $tbl_lp_item . "
WHERE c_id = $course_id AND lp_id = '" . $_SESSION['oLP']->lp_id . "'";
$res_media = Database::query($sql);
if (Database::num_rows($res_media) > 0) {
while ($row_media = Database::fetch_array($res_media)) {
if (!empty($row_media['audio'])) {
$show_audioplayer = true;
break;
}
}
}
$is_allowed_to_edit = api_is_allowed_to_edit(false, true, true, false);
global $interbreadcrumb;
if ($is_allowed_to_edit) {
$interbreadcrumb[] = array(
'url' => api_get_self().'?action=list&isStudentView=false&'.api_get_cidreq(true, true, 'course'),
'name' => get_lang('LearningPaths')
);
$interbreadcrumb[] = array(
'url' => api_get_self() . "?action=add_item&type=step&lp_id={$_SESSION['oLP']->lp_id}&isStudentView=false&".api_get_cidreq(true, true, 'course'),
'name' => $_SESSION['oLP']->get_name()
);
$interbreadcrumb[] = array(
'url' => '#',
'name' => get_lang('Preview')
);
}
// Return to course home.
if ($is_allowed_to_edit) {
$buttonHomeUrl = 'lp_controller.php?' . api_get_cidreq(true, true, 'course') . '&' . http_build_query([
'isStudentView' => 'false',
'action' => 'return_to_course_homepage'
]);
} else {
$buttonHomeUrl = 'lp_controller.php?' . api_get_cidreq(true, true, 'course') . '&' . http_build_query([
'action' => 'return_to_course_homepage'
]);
}
$buttonHomeText = get_lang('CourseHomepageLink');
// Return to lp list
if (api_get_course_setting('lp_return_link') == 1) {
$buttonHomeUrl .= '&redirectTo=lp_list';
$buttonHomeText = get_lang('LearningPathList');
}
$lpPreviewImagePath = Display::returnIconPath('unknown.png', ICON_SIZE_BIG);
if ($_SESSION['oLP']->get_preview_image()) {
$lpPreviewImagePath = $_SESSION['oLP']->get_preview_image_path();
}
if ($_SESSION['oLP']->current == $_SESSION['oLP']->get_last()) {
$categories = Category::load(
null,
null,
$course_code,
null,
null,
$sessionId
);
if (!empty($categories)) {
$gradebookEvaluations = $categories[0]->get_evaluations();
$gradebookLinks = $categories[0]->get_links();
if (count($gradebookEvaluations) === 0 &&
count($gradebookLinks) === 1 &&
$gradebookLinks[0]->get_type() == LINK_LEARNPATH &&
$gradebookLinks[0]->get_ref_id() == $_SESSION['oLP']->lp_id
) {
$gradebookMinScore = $categories[0]->get_certificate_min_score();
$userScore = $gradebookLinks[0]->calc_score($user_id, 'best');
if ($userScore[0] >= $gradebookMinScore) {
Category::register_user_certificate($categories[0]->get_id(), $user_id);
}
}
}
}
$template = new Template('', false, false, true, true, false);
$template->assign('glossary_extra_tools', api_get_setting('show_glossary_in_extra_tools'));
$fixLinkSetting = api_get_configuration_value('lp_fix_embed_content');
$fixLink = '';
if ($fixLinkSetting) {
$fixLink = '{type:"script", id:"_fr10", src:"'.api_get_path(WEB_LIBRARY_PATH).'javascript/fixlinks.js"}';
}
$template->assign('fix_link', $fixLink);
$template->assign(
'glossary_tool_availables',
['true', 'lp', 'exercise_and_lp']
);
// If the global gamification mode is enabled...
$gamificationMode = api_get_setting('gamification_mode');
// ...AND this learning path is set in gamification mode, then change the display
$gamificationMode = $gamificationMode && $_SESSION['oLP']->seriousgame_mode;
$template->assign('show_glossary_in_documents', api_get_setting('show_glossary_in_documents'));
$template->assign('jquery_web_path', api_get_jquery_web_path());
$template->assign('jquery_ui_js_web_path', api_get_jquery_ui_js_web_path());
$template->assign('jquery_ui_css_web_path', api_get_jquery_ui_css_web_path());
$template->assign('is_allowed_to_edit', $is_allowed_to_edit);
$template->assign('gamification_mode', $gamificationMode);
//$template->assign('breadcrumb', $breadcrumb);
$template->assign('button_home_url', $buttonHomeUrl);
$template->assign('button_home_text', $buttonHomeText);
$template->assign('navigation_bar', $navigation_bar);
$template->assign('progress_bar', $progress_bar);
$template->assign('show_audio_player', $show_audioplayer);
$template->assign('media_player', $mediaplayer);
$template->assign('toc_list', $get_toc_list);
$template->assign('teacher_toc_buttons', $get_teacher_buttons);
$template->assign('iframe_src', $src);
$template->assign('navigation_bar_bottom', $navigation_bar_bottom);
if ($gamificationMode == 1) {
$template->assign(
'gamification_stars',
$_SESSION['oLP']->getCalculateStars($sessionId)
);
$template->assign(
'gamification_points',
$_SESSION['oLP']->getCalculateScore($sessionId)
);
}
$template->assign(
'lp_preview_image',
Display::img(
$lpPreviewImagePath,
$_SESSION['oLP']->name,
[],
ICON_SIZE_BIG
)
);
$template->assign('lp_author', $_SESSION['oLP']->get_author());
$template->assign('lp_mode', $_SESSION['oLP']->mode);
$template->assign('lp_title_scorm', $_SESSION['oLP']->name);
$template->assign(
'lp_html_toc',
$_SESSION['oLP']->get_html_toc($get_toc_list)
);
$template->assign('lp_id', $_SESSION['oLP']->lp_id);
$template->assign('lp_current_item_id', $_SESSION['oLP']->get_current_item_id());
$view = $template->get_template('learnpath/view.tpl');
$content = $template->fetch($view);
$template->assign('content', $content);
$template->display_no_layout_template();
// Restore a global setting.
$_setting['show_navigation_menu'] = $save_setting;
if ($debug) {
error_log(' ------- end lp_view.php ------');
}