public/main/lp/ScormApi.php
<?php
/* For licensing terms, see /license.txt */
use ChamiloSession as Session;
class ScormApi
{
/**
* Writes an item's new values into the database and returns the operation result.
*
* @param int $lp_id Learnpath ID
* @param int $user_id User ID
* @param int $view_id View ID
* @param int $item_id Item ID
* @param float $score Current score
* @param float $max Maximum score
* @param float $min Minimum score
* @param string $status Lesson status
* @param int $time Session time
* @param string $suspend Suspend data
* @param string $location Lesson location
* @param array $interactions Interactions array
* @param string $core_exit Core exit SCORM string
* @param int $sessionId Session ID
* @param int $courseId Course ID
* @param int $lmsFinish Whether the call was issued from SCORM's LMSFinish()
* @param int $userNavigatesAway Whether the user is moving to another item
* @param int $statusSignalReceived Whether the SCO called SetValue(lesson_status)
* @param int $nextItem Switch to next item
* @param int $loadNav
*
* @return bool|string|null The resulting JS string
*/
public static function saveItem(
$lp_id,
$user_id,
$view_id,
$item_id,
$score = -1.0,
$max = -1.0,
$min = -1.0,
$status = '',
$time = 0,
$suspend = '',
$location = '',
$interactions = [],
$core_exit = 'none',
$sessionId = null,
$courseId = null,
$lmsFinish = 0,
$userNavigatesAway = 0,
$statusSignalReceived = 0,
$nextItem = 0,
$loadNav = 0
) {
$debug = 0;
$return = null;
if (empty($courseId)) {
$courseId = api_get_course_int_id();
}
if ($debug > 0) {
error_log('--------------------------------------');
error_log('SAVE ITEM - lp_ajax_save_item.php');
error_log('--------------------------------------');
error_log("item_id: $item_id - lp_id: $lp_id - user_id: - $user_id - view_id: $view_id - item_id: $item_id");
error_log("SCORE: $score - max:$max - min: $min - status:$status");
error_log("TIME: $time - suspend: $suspend - location: $location - core_exit: $core_exit");
error_log("finish: $lmsFinish - navigatesAway: $userNavigatesAway");
error_log("courseId: $courseId");
}
$myLP = learnpath::getLpFromSession($courseId, $lp_id, $user_id);
if (!is_a($myLP, 'learnpath')) {
if ($debug) {
error_log('mylp variable is not an learnpath object');
}
return null;
}
$prerequisitesCheck = $myLP->prerequisites_match($item_id);
/** @var learnpathItem $myLPI */
if ($myLP->items && isset($myLP->items[$item_id])) {
$myLPI = $myLP->items[$item_id];
}
if (empty($myLPI)) {
if ($debug > 0) {
error_log("item #$item_id not found in the items array: ".print_r($myLP->items, 1));
}
return null;
}
// This functions sets the $this->db_item_view_id variable needed in get_status() see BT#5069
$myLPI->set_lp_view($view_id);
// Launch the prerequisites check and set error if needed
if (true !== $prerequisitesCheck) {
// If prerequisites were not matched, don't update any item info
if ($debug) {
error_log("prereq_check failed: ".intval($prerequisitesCheck));
}
return null;
} else {
if ($debug > 1) {
error_log('Prerequisites are OK');
}
$logInfo = [
'tool' => TOOL_LEARNPATH,
'tool_id' => $lp_id,
'tool_id_detail' => $item_id,
'action' => 'view',
'action_details' => $myLP->getCurrentAttempt(),
];
Event::registerLog($logInfo);
if (isset($max) && -1 != $max) {
$myLPI->max_score = $max;
$myLPI->set_max_score($max);
if ($debug > 1) {
error_log("Setting max_score: $max");
}
}
if (isset($min) && -1 != $min && 'undefined' !== $min) {
$myLPI->min_score = $min;
if ($debug > 1) {
error_log("Setting min_score: $min");
}
}
// set_score function used to save the status, but this is not the case anymore
if (isset($score) && -1 != $score) {
if ($debug > 1) {
error_log('Calling set_score('.$score.')');
error_log('set_score changes the status to failed/passed if mastery score is provided');
}
$myLPI->set_score($score);
if ($debug > 1) {
error_log('Done calling set_score '.$myLPI->get_score());
}
} else {
if ($debug > 1) {
error_log('Score not updated');
}
}
$statusIsSet = false;
// Default behaviour.
if (isset($status) && '' != $status && 'undefined' !== $status) {
if ($debug > 1) {
error_log('Calling set_status('.$status.')');
}
$myLPI->set_status($status);
$statusIsSet = true;
if ($debug > 1) {
error_log('Done calling set_status: checking from memory: '.$myLPI->get_status(false));
}
} else {
if ($debug > 1) {
error_log('Status not updated');
}
}
$my_type = $myLPI->get_type();
// Set status to completed for hotpotatoes if score > 80%.
if ('hotpotatoes' === $my_type) {
if ((empty($status) || 'undefined' === $status || 'not attempted' === $status) && $max > 0) {
if (($score / $max) > 0.8) {
$myStatus = 'completed';
if ($debug > 1) {
error_log('Calling set_status('.$myStatus.') for hotpotatoes');
}
$myLPI->set_status($myStatus);
$statusIsSet = true;
if ($debug > 1) {
error_log('Done calling set_status for hotpotatoes - now '.$myLPI->get_status(false));
}
}
} elseif ('completed' === $status && $max > 0 && ($score / $max) < 0.8) {
$myStatus = 'failed';
if ($debug > 1) {
error_log('Calling set_status('.$myStatus.') for hotpotatoes');
}
$myLPI->set_status($myStatus);
$statusIsSet = true;
if ($debug > 1) {
error_log('Done calling set_status for hotpotatoes - now '.$myLPI->get_status(false));
}
}
} elseif ('sco' === $my_type) {
/*
* This is a specific implementation for SCORM 1.2, matching page 26 of SCORM 1.2's RTE
* "Normally the SCO determines its own status and passes it to the LMS.
* 1) If cmi.core.credit is set to "credit" and there is a mastery
* score in the manifest (adlcp:masteryscore), the LMS can change
* the status to either passed or failed depending on the
* student's score compared to the mastery score.
* 2) If there is no mastery score in the manifest
* (adlcp:masteryscore), the LMS cannot override SCO
* determined status.
* 3) If the student is taking the SCO for no-credit, there is no
* change to the lesson_status, with one exception. If the
* lesson_mode is "browse", the lesson_status may change to
* "browsed" even if the cmi.core.credit is set to no-credit.
* "
* Additionally, the LMS behaviour should be:
* If a SCO sets the cmi.core.lesson_status then there is no problem.
* However, the SCORM does not force the SCO to set the cmi.core.lesson_status.
* There is some additional requirements that must be adhered to
* successfully handle these cases:
* Upon initial launch
* the LMS should set the cmi.core.lesson_status to "not attempted".
* Upon receiving the LMSFinish() call or the user navigates away,
* the LMS should set the cmi.core.lesson_status for the SCO to "completed".
* After setting the cmi.core.lesson_status to "completed",
* the LMS should now check to see if a Mastery Score has been
* specified in the cmi.student_data.mastery_score, if supported,
* or the manifest that the SCO is a member of.
* If a Mastery Score is provided and the SCO did set the
* cmi.core.score.raw, the LMS shall compare the cmi.core.score.raw
* to the Mastery Score and set the cmi.core.lesson_status to
* either "passed" or "failed". If no Mastery Score is provided,
* the LMS will leave the cmi.core.lesson_status as "completed"
*/
$masteryScore = $myLPI->get_mastery_score();
if (-1 == $masteryScore || empty($masteryScore)) {
$masteryScore = false;
}
$credit = $myLPI->get_credit();
/**
* 1) If cmi.core.credit is set to "credit" and there is a mastery
* score in the manifest (adlcp:masteryscore), the LMS can change
* the status to either passed or failed depending on the
* student's score compared to the mastery score.
*/
if ('credit' === $credit &&
$masteryScore &&
(isset($score) && -1 != $score) &&
!$statusIsSet && !$statusSignalReceived
) {
if ($score >= $masteryScore) {
$myLPI->set_status('passed');
if ($debug) {
error_log('Set status: passed');
}
} else {
$myLPI->set_status('failed');
if ($debug) {
error_log('Set status: failed');
}
}
$statusIsSet = true;
}
/**
* 2) If there is no mastery score in the manifest
* (adlcp:masteryscore), the LMS cannot override SCO
* determined status.
*/
if (!$statusIsSet && !$masteryScore && !$statusSignalReceived) {
if (!empty($status)) {
if ($debug) {
error_log("Set status: $status because: statusSignalReceived ");
}
$myLPI->set_status($status);
$statusIsSet = true;
}
//if no status was set directly, we keep the previous one
}
/**
* 3) If the student is taking the SCO for no-credit, there is no
* change to the lesson_status, with one exception. If the
* lesson_mode is "browse", the lesson_status may change to
* "browsed" even if the cmi.core.credit is set to no-credit.
*/
if (!$statusIsSet && 'no-credit' === $credit && !$statusSignalReceived) {
$mode = $myLPI->get_lesson_mode();
if ('browse' === $mode && 'browsed' === $status) {
if ($debug) {
error_log("Set status: $status because mode browse");
}
$myLPI->set_status($status);
$statusIsSet = true;
}
//if no status was set directly, we keep the previous one
}
/**
* If a SCO sets the cmi.core.lesson_status then there is no problem.
* However, the SCORM does not force the SCO to set the
* cmi.core.lesson_status. There is some additional requirements
* that must be adhered to successfully handle these cases:.
*/
if (!$statusIsSet && empty($status) && !$statusSignalReceived) {
/**
* Upon initial launch the LMS should set the
* cmi.core.lesson_status to "not attempted".
*/
// this case should be handled by LMSInitialize() and xajax_switch_item()
/**
* Upon receiving the LMSFinish() call or the user navigates
* away, the LMS should set the cmi.core.lesson_status for the
* SCO to "completed".
*/
if ($lmsFinish || $userNavigatesAway) {
$myStatus = 'completed';
$updateStatus = true;
// Do not update status if "score as progress" and $userNavigatesAway
// The progress will be saved by the scorm BT#16766.
if ($userNavigatesAway && !$lmsFinish && $myLP->getUseScoreAsProgress()) {
$updateStatus = false;
}
if ($updateStatus) {
/**
* After setting the cmi.core.lesson_status to "completed",
* the LMS should now check to see if a Mastery Score has been
* specified in the cmi.student_data.mastery_score, if supported,
* or the manifest that the SCO is a member of.
* If a Mastery Score is provided and the SCO did set the
* cmi.core.score.raw, the LMS shall compare the cmi.core.score.raw
* to the Mastery Score and set the cmi.core.lesson_status to
* either "passed" or "failed". If no Mastery Score is provided,
* the LMS will leave the cmi.core.lesson_status as "completed”.
*/
if ($masteryScore && (isset($score) && -1 != $score)) {
if ($score >= $masteryScore) {
$myStatus = 'passed';
} else {
$myStatus = 'failed';
}
}
if ($debug) {
error_log("Set status: $myStatus because lmsFinish || userNavigatesAway");
}
$myLPI->set_status($myStatus);
$statusIsSet = true;
}
}
}
// End of type=='sco'
}
// If no previous condition changed the SCO status, proceed with a
// generic behaviour
if (!$statusIsSet && !$statusSignalReceived) {
// Default behaviour
if (isset($status) && '' != $status && 'undefined' !== $status) {
if ($debug > 1) {
error_log('Calling set_status('.$status.')');
}
$myLPI->set_status($status);
if ($debug > 1) {
error_log('Done calling set_status: checking from memory: '.$myLPI->get_status(false));
}
} else {
if ($debug > 1) {
error_log("Status not updated");
}
}
}
if (isset($time) && '' != $time && 'undefined' !== $time) {
// If big integer, then it's a timestamp, otherwise it's normal scorm time.
if ($debug > 1) {
error_log('Calling set_time('.$time.') ');
}
if ($time == intval(strval($time)) && $time > 1000000) {
if ($debug > 1) {
error_log("Time is INT");
}
$real_time = time() - $time;
if ($debug > 1) {
error_log('Calling $real_time '.$real_time.' ');
}
$myLPI->set_time($real_time, 'int');
} else {
if ($debug > 1) {
error_log("Time is in SCORM format");
}
if ($debug > 1) {
error_log('Calling $time '.$time.' ');
}
$myLPI->set_time($time, 'scorm');
}
} else {
$myLPI->current_stop_time = time();
}
if (isset($suspend) && '' != $suspend && 'undefined' !== $suspend) {
$myLPI->current_data = $suspend;
}
if (isset($location) && '' != $location && 'undefined' !== $location) {
$myLPI->set_lesson_location($location);
}
// Deal with interactions provided in arrays in the following format:
// id(0), type(1), time(2), weighting(3), correct_responses(4), student_response(5), result(6), latency(7)
if (is_array($interactions) && count($interactions) > 0) {
foreach ($interactions as $index => $interaction) {
//$mylpi->add_interaction($index,$interactions[$index]);
//fix DT#4444
$clean_interaction = str_replace('@.|@', ',', $interactions[$index]);
$myLPI->add_interaction($index, $clean_interaction);
}
}
if ('undefined' !== $core_exit) {
$myLPI->set_core_exit($core_exit);
}
$myLP->save_item($item_id, false);
}
$myStatusInDB = $myLPI->get_status(true);
if ($debug) {
error_log("Status in DB: $myStatusInDB");
}
if ('completed' !== $myStatusInDB &&
'passed' !== $myStatusInDB &&
'browsed' !== $myStatusInDB &&
'failed' !== $myStatusInDB
) {
$myStatusInMemory = $myLPI->get_status(false);
if ($debug) {
error_log("myStatusInMemory: $myStatusInMemory");
}
if ($myStatusInMemory != $myStatusInDB) {
$myStatus = $myStatusInMemory;
} else {
$myStatus = $myStatusInDB;
}
} else {
$myStatus = $myStatusInDB;
}
$myTotal = $myLP->getTotalItemsCountWithoutDirs();
$myComplete = $myLP->get_complete_items_count();
$myProgressMode = $myLP->get_progress_bar_mode();
$myProgressMode = '' === $myProgressMode ? '%' : $myProgressMode;
if ($debug > 1) {
error_log("mystatus: $myStatus");
error_log("myprogress_mode: $myProgressMode");
error_log("progress: $myComplete / $myTotal");
}
if ('sco' !== $myLPI->get_type()) {
// If this object's JS status has not been updated by the SCORM API, update now.
$return .= "olms.lesson_status='".$myStatus."';";
}
$return .= "update_toc('".$myStatus."','".$item_id."');";
$update_list = $myLP->get_update_queue();
foreach ($update_list as $my_upd_id => $my_upd_status) {
if ($my_upd_id != $item_id) {
/* Only update the status from other items (i.e. parents and brothers),
do not update current as we just did it already. */
$return .= "update_toc('".$my_upd_status."','".$my_upd_id."');";
}
}
$progressBarSpecial = false;
$scoreAsProgressSetting = ('true' === api_get_setting('lp.lp_score_as_progress_enable'));
if (true === $scoreAsProgressSetting) {
$scoreAsProgress = $myLP->getUseScoreAsProgress();
if ($scoreAsProgress) {
if (isset($score) && -1 != $score) {
$score = $myLPI->get_score();
$maxScore = $myLPI->get_max();
$return .= "update_progress_bar('$score', '$maxScore', '$myProgressMode');";
}
$progressBarSpecial = true;
}
}
if (!$progressBarSpecial) {
$return .= "update_progress_bar('$myComplete', '$myTotal', '$myProgressMode');";
}
if (!Session::read('login_as')) {
// If $_SESSION['login_as'] is set, then the user is an admin logged as the user.
$tbl_track_login = Database::get_main_table(TABLE_STATISTIC_TRACK_E_LOGIN);
$sql = "SELECT login_id, login_date
FROM $tbl_track_login
WHERE login_user_id= ".api_get_user_id()."
ORDER BY login_date DESC
LIMIT 0,1";
$q_last_connection = Database::query($sql);
if (Database::num_rows($q_last_connection) > 0) {
$current_time = api_get_utc_datetime();
$row = Database::fetch_array($q_last_connection);
$i_id_last_connection = $row['login_id'];
$sql = "UPDATE $tbl_track_login
SET logout_date='".$current_time."'
WHERE login_id = $i_id_last_connection";
Database::query($sql);
}
}
if (2 == $myLP->get_type()) {
$return .= 'update_stats();';
}
// To be sure progress is updated.
$myLP->save_last($score);
Session::write('lpobject', serialize($myLP));
Session::write('oLP', $myLP);
if ($debug > 0) {
error_log("lp_view_session_id :".$myLP->lp_view_session_id);
error_log('---------------- lp_ajax_save_item.php : save_item end ----- ');
}
$logInfo = [
'tool' => TOOL_LEARNPATH,
'tool_id' => $myLP->get_id(),
'action_details' => $myLP->getCurrentAttempt(),
'tool_id_detail' => $myLP->get_current_item_id(),
'action' => 'save_item',
];
Event::registerLog($logInfo);
$nextItem = (int) $nextItem;
if (!empty($nextItem)) {
$return .= self::switchItem(
$lp_id,
$user_id,
$view_id,
$item_id,
$nextItem
);
}
$loadNav = (int) $loadNav;
if (1 === $loadNav) {
$mediaplayer = $myLP->get_mediaplayer($item_id, 'true');
if ($nextItem) {
$now = time();
$return .= "updateTimer($now);\n";
}
$score = $myLP->getCalculateScore($sessionId);
$stars = $myLP->getCalculateStars($sessionId);
$score = sprintf(get_lang('%s points'), $score);
$return .= "updateGamification('$stars', '$score'); \n";
$position = $myLP->isFirstOrLastItem($item_id);
$return .= "checkCurrentItemPosition('$item_id'); \n";
if ($mediaplayer) {
$return .= $mediaplayer;
$return .= "<script>
$(function() {
$('video:not(.skip), audio:not(.skip)').mediaelementplayer();
});
</script>";
}
}
return $return;
}
/**
* Get one item's details.
*
* @param int LP ID
* @param int user ID
* @param int View ID
* @param int Current item ID
* @param int New item ID
*/
public static function switchItem($lpId, $user_id, $view_id, $current_item, $next_item)
{
$debug = 0;
$return = '';
if ($debug > 0) {
error_log('--------------------------------------');
error_log('SWITCH');
error_log('Params('.$lpId.','.$user_id.','.$view_id.','.$current_item.','.$next_item.')');
}
//$objResponse = new xajaxResponse();
/*$item_id may be one of:
* -'next'
* -'previous'
* -'first'
* -'last'
* - a real item ID
*/
$mylp = learnpath::getLpFromSession(api_get_course_int_id(), $lpId, $user_id);
$new_item_id = 0;
switch ($next_item) {
case 'next':
$mylp->set_current_item($current_item);
$mylp->next();
$new_item_id = $mylp->get_current_item_id();
if ($debug > 1) {
error_log('In {next} - next item is '.$new_item_id.'(current: '.$current_item.')');
}
break;
case 'previous':
$mylp->set_current_item($current_item);
$mylp->previous();
$new_item_id = $mylp->get_current_item_id();
if ($debug > 1) {
error_log('In {previous} - next item is '.$new_item_id.'(current: '.$current_item.')');
}
break;
case 'first':
$mylp->set_current_item($current_item);
$mylp->first();
$new_item_id = $mylp->get_current_item_id();
if ($debug > 1) {
error_log('In {first} - next item is '.$new_item_id.'(current: '.$current_item.')');
}
break;
case 'last':
break;
default:
// Should be filtered to check it's not hacked.
if ($next_item == $current_item) {
// If we're opening the same item again.
$mylp->items[$current_item]->restart();
}
$new_item_id = $next_item;
$mylp->set_current_item($new_item_id);
if ($debug > 1) {
error_log('In {default} - next item is '.$new_item_id.'(current: '.$current_item.')');
}
break;
}
$mylp->start_current_item(true);
if ($mylp->force_commit) {
$mylp->save_current();
}
if (is_object($mylp->items[$new_item_id])) {
$mylpi = $mylp->items[$new_item_id];
} else {
if ($debug > 1) {
error_log('In switch_item_details - generating new item object', 0);
}
$mylpi = new learnpathItem($new_item_id);
$mylpi->set_lp_view($view_id);
}
/*
* now get what's needed by the SCORM API:
* -score
* -max
* -min
* -lesson_status
* -session_time
* -suspend_data
*/
$myscore = $mylpi->get_score();
$mymax = $mylpi->get_max();
if ('' === $mymax) {
$mymax = "''";
}
$mymin = $mylpi->get_min();
$mylesson_status = $mylpi->get_status();
$mylesson_location = $mylpi->get_lesson_location();
$mytotal_time = $mylpi->get_scorm_time('js');
$mymastery_score = $mylpi->get_mastery_score();
$mymax_time_allowed = $mylpi->get_max_time_allowed();
$mylaunch_data = $mylpi->get_launch_data();
/*
if ($mylpi->get_type() == 'asset') {
// Temporary measure to save completion of an asset. Later on,
// Chamilo should trigger something on unload, maybe...
// (even though that would mean the last item cannot be completed)
$mylesson_status = 'completed';
$mylpi->set_status('completed');
$mylpi->save();
}
*/
$mysession_time = $mylpi->get_total_time();
$mysuspend_data = $mylpi->get_suspend_data();
$mylesson_location = $mylpi->get_lesson_location();
$myic = $mylpi->get_interactions_count();
$myistring = '';
for ($i = 0; $i < $myic; $i++) {
$myistring .= ",[".$i.",'','','','','','','']";
}
if (!empty($myistring)) {
$myistring = substr($myistring, 1);
}
/*
* The following lines should reinitialize the values for the SCO
* However, due to many complications, we are now relying more on the
* LMSInitialize() call and its underlying lp_ajax_initialize.php call
* so this code is technically deprecated (but the change of item_id should
* remain). However, due to numerous technical issues with SCORM, we prefer
* leaving it as a double-lock security. If removing, please test carefully
* with both SCORM and proper learning path tracking.
*/
$return .=
"olms.score=".$myscore.";".
"olms.max=".$mymax.";".
"olms.min=".$mymin.";".
"olms.lesson_status='".$mylesson_status."';".
"olms.lesson_location='".$mylesson_location."';".
"olms.session_time='".$mysession_time."';".
"olms.suspend_data='".$mysuspend_data."';".
"olms.total_time = '".$mytotal_time."';".
"olms.mastery_score = '".$mymastery_score."';".
"olms.max_time_allowed = '".$mymax_time_allowed."';".
"olms.launch_data = '".$mylaunch_data."';".
"olms.interactions = new Array(".$myistring.");".
"olms.item_objectives = new Array();".
"olms.G_lastError = 0;".
"olms.G_LastErrorMessage = 'No error';".
"olms.finishSignalReceived = 0;";
/*
* and re-initialise the rest
* -lms_lp_id
* -lms_item_id
* -lms_old_item_id
* -lms_new_item_id
* -lms_initialized
* -lms_progress_bar_mode
* -lms_view_id
* -lms_user_id
*/
$mytotal = $mylp->getTotalItemsCountWithoutDirs();
$mycomplete = $mylp->get_complete_items_count();
$myprogress_mode = $mylp->get_progress_bar_mode();
$myprogress_mode = ('' == $myprogress_mode ? '%' : $myprogress_mode);
$mynext = $mylp->get_next_item_id();
$myprevious = $mylp->get_previous_item_id();
$myitemtype = $mylpi->get_type();
$mylesson_mode = $mylpi->get_lesson_mode();
$mycredit = $mylpi->get_credit();
$mylaunch_data = $mylpi->get_launch_data();
$myinteractions_count = $mylpi->get_interactions_count();
//$myobjectives_count = $mylpi->get_objectives_count();
$mycore_exit = $mylpi->get_core_exit();
$return .=
//"saved_lesson_status='not attempted';" .
"olms.lms_lp_id=".$lpId.";".
"olms.lms_item_id=".$new_item_id.";".
"olms.lms_old_item_id=0;".
//"lms_been_synchronized=0;" .
"olms.lms_initialized=0;".
//"lms_total_lessons=".$mytotal.";" .
//"lms_complete_lessons=".$mycomplete.";" .
//"lms_progress_bar_mode='".$myprogress_mode."';" .
"olms.lms_view_id=".$view_id.";".
"olms.lms_user_id=".$user_id.";".
"olms.next_item=".$new_item_id.";".// This one is very important to replace possible literal strings.
"olms.lms_next_item=".$mynext.";".
"olms.lms_previous_item=".$myprevious.";".
"olms.lms_item_type = '".$myitemtype."';".
"olms.lms_item_credit = '".$mycredit."';".
"olms.lms_item_lesson_mode = '".$mylesson_mode."';".
"olms.lms_item_launch_data = '".$mylaunch_data."';".
"olms.lms_item_interactions_count = '".$myinteractions_count."';".
"olms.lms_item_objectives_count = '".$myinteractions_count."';".
"olms.lms_item_core_exit = '".$mycore_exit."';\n".
"olms.asset_timer = 0;";
$sessionId = api_get_session_id();
$updateMinTime = '';
if (Tracking::minimumTimeAvailable($sessionId, api_get_course_int_id())) {
$timeLp = $mylp->getAccumulateWorkTime();
$timeTotalCourse = $mylp->getAccumulateWorkTimeTotalCourse();
// Minimum connection percentage
$perc = 100;
// Time from the course
$tc = $timeTotalCourse;
// Percentage of the learning paths
$pl = 0;
if (!empty($timeTotalCourse)) {
$pl = $timeLp / $timeTotalCourse;
}
// Minimum time for each learning path
$time_total = intval($pl * $tc * $perc / 100) * 60;
$lpTimeList = Tracking::getCalculateTime($user_id, api_get_course_int_id(), $sessionId);
$lpTime = isset($lpTimeList[TOOL_LEARNPATH][$lpId]) ? $lpTimeList[TOOL_LEARNPATH][$lpId] : 0;
if ($lpTime >= $time_total) {
$time_spent = $time_total;
} else {
$time_spent = $lpTime;
}
$hour = (intval($lpTime / 3600)) < 10 ? '0'.intval($lpTime / 3600) : intval($lpTime / 3600);
$minute = date('i', $lpTime);
$second = date('s', $lpTime);
$updateMinTime = "
update_time_bar('$time_spent','$time_total','%');\n
update_chronometer('$hour','$minute','$second');\n ";
}
$return .=
"update_toc('unhighlight','".$current_item."');
update_toc('highlight','".$new_item_id."');
update_toc('$mylesson_status','".$new_item_id."');
update_progress_bar('$mycomplete','$mytotal','$myprogress_mode');
$updateMinTime"
;
$lpItemParents = $mylp->getCurrentItemParentNames($mylp->get_current_item_id());
$titleItemParents = '';
if (!empty($lpItemParents)) {
// Escape HTML entities
$escapedParents = array_map(function($parentTitle) {
return htmlspecialchars($parentTitle, ENT_QUOTES, 'UTF-8');
}, $lpItemParents);
// Encode JSON without escaping Unicode characters
$titleItemParents = json_encode($escapedParents, JSON_UNESCAPED_UNICODE | JSON_HEX_APOS | JSON_HEX_QUOT);
}
if (!empty($titleItemParents)) {
$return .= "olms.lms_lp_item_parents={$titleItemParents};";
}
//$return .= 'updateGamificationValues(); ';
$mylp->set_error_msg('');
$mylp->prerequisites_match(); // Check the prerequisites are all complete.
if ($debug > 1) {
error_log($return);
error_log('Prereq_match() returned '.htmlentities($mylp->error), 0);
}
// Save the new item ID for the exercise tool to use.
Session::write('scorm_item_id', $new_item_id);
Session::write('lpobject', serialize($mylp));
Session::write('oLP', $mylp);
return $return;
}
}