/**
* Writes an item's new values into the database and returns the operation result
* @param integer Learnpath ID
* @param integer User ID
* @param integer View ID
* @param integer Item ID
* @param array Objectives array
*/
function save_objectives($lp_id, $user_id, $view_id, $item_id, $objectives = array())
{
$debug = 0;
$return = '';
if ($debug > 0) {
error_log('In xajax_save_objectives(' . $lp_id . ',' . $user_id . ',' . $view_id . ',' . $item_id . ',"' . (count($objectives) > 0 ? count($objectives) : '') . '")', 0);
}
$mylp = learnpath::getLpFromSession(api_get_course_id(), $lp_id, $user_id);
$mylpi =& $mylp->items[$item_id];
if (is_array($objectives) && count($objectives) > 0) {
foreach ($objectives as $index => $objective) {
$mylpi->add_objective($index, $objectives[$index]);
}
$mylpi->write_objectives_to_db();
}
return $return;
}
/**
* Get one item's details
* @param integer LP ID
* @param integer user ID
* @param integer View ID
* @param integer Current item ID
* @param integer New item ID
*/
function switch_item_details($lp_id, $user_id, $view_id, $current_item, $next_item)
{
$debug = 0;
$return = '';
if ($debug > 0) {
error_log('In xajax_switch_item_details(' . $lp_id . ',' . $user_id . ',' . $view_id . ',' . $current_item . ',' . $next_item . ')', 0);
}
//$objResponse = new xajaxResponse();
/*$item_id may be one of:
* -'next'
* -'previous'
* -'first'
* -'last'
* - a real item ID
*/
$mylp = learnpath::getLpFromSession(api_get_course_id(), $lp_id, $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 . ')', 0);
}
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 . ')', 0);
}
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: ' . $current_item . ')', 0);
}
break;
case 'last':
break;
default:
// Should be filtered to check it's not hacked.
if ($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 . ')', 0);
}
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, $user_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->get_total_items_count_without_chapters();
$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 .= "olms.lms_lp_id=" . $lp_id . ";" . "olms.lms_item_id=" . $new_item_id . ";" . "olms.lms_old_item_id=0;" . "olms.lms_initialized=0;" . "olms.lms_view_id=" . $view_id . ";" . "olms.lms_user_id=" . $user_id . ";" . "olms.next_item=" . $new_item_id . ";" . "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 . "';" . "olms.asset_timer = 0;";
$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}');";
$return .= 'updateGamificationValues(); ';
$mylp->set_error_msg('');
$mylp->prerequisites_match();
// Check the prerequisites are all complete.
if ($debug > 1) {
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));
return $return;
}
/**
* Writes an item's new values into the database and returns the operation result
* @param integer Learnpath ID
* @param integer User ID
* @param integer View ID
* @param integer Item ID
* @return string JavaScript operations to execute as soon as returned
*/
function last_update_status($lp_id, $user_id, $view_id, $item_id) {
error_log(__LINE__);
global $_configuration;
$debug = 0;
$return = '';
if ($debug > 0) { error_log('In last_update_status('.$lp_id.','.$user_id.','.$view_id.','.$item_id.')', 0); }
require_once 'learnpath.class.php';
require_once 'scorm.class.php';
require_once 'learnpathItem.class.php';
require_once 'scormItem.class.php';
$mylp = learnpath::getLpFromSession(api_get_course_id(), $lp_id, $user_id);
// This function should only be used for SCORM paths.
if ($mylp->get_type() != 2) {
return;
}
$prereq_check = $mylp->prerequisites_match($item_id);
$mystatus = '';
if ($prereq_check === true) {
error_log(__LINE__);
// Launch the prerequisites check and set error if needed.
$mylpi =& $mylp->items[$item_id];
$mystatus_in_db = $mylpi->get_status(true);
error_log($mystatus_in_db);
if ($mystatus_in_db == 'not attempted' or $mystatus_in_db == '') {
error_log(__LINE__);
$mystatus = 'completed';
$mastery_score = $mylpi->get_mastery_score();
if ($mastery_score != -1) {
error_log(__LINE__);
$score = $mylpi->get_score();
if ($score != 0 && $score >= $mastery_score) {
error_log(__LINE__);
$mystatus = 'passed';
} else {
error_log(__LINE__);
$mystatus = 'failed';
}
}
error_log(__LINE__);
$mylpi->set_status($mystatus);
$mylp->save_item($item_id, false);
} else {
error_log(__LINE__);
return $return;
}
} else {
error_log(__LINE__);
return $return;
}
error_log(__LINE__);
$mytotal = $mylp->get_total_items_count_without_chapters();
$mycomplete = $mylp->get_complete_items_count();
$myprogress_mode = $mylp->get_progress_bar_mode();
$myprogress_mode = ($myprogress_mode==''?'%':$myprogress_mode);
$return .= "update_toc('".$mystatus."','".$item_id."','no');";
error_log('Return is now '.$return);
$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."','no');";
}
}
$return .= "update_progress_bar('$mycomplete','$mytotal','$myprogress_mode');";
$return .="update_stats();";
return $return;
//return $objResponse;
}
/**
* Get one item's details
* @param integer LP ID
* @param integer user ID
* @param integer View ID
* @param integer Current item ID
* @param integer New item ID
*/
function initialize_item($lp_id, $user_id, $view_id, $next_item) {
global $debug;
$return = '';
if ($debug > 0) { error_log('In initialize_item('.$lp_id.','.$user_id.','.$view_id.','.$next_item.')', 0); }
/*$item_id may be one of:
* -'next'
* -'previous'
* -'first'
* -'last'
* - a real item ID
*/
$mylp = learnpath::getLpFromSession(api_get_course_id(), $lp_id, $user_id);
$mylp->set_current_item($next_item);
if ($debug > 1) { error_log('In initialize_item() - new item is '.$next_item, 0); }
$mylp->start_current_item(true);
if (is_object($mylp->items[$next_item])) {
if ($debug > 1) { error_log('In initialize_item - recovering existing item object '.$next_item, 0); }
$mylpi = $mylp->items[$next_item];
} else {
if ($debug > 1) { error_log('In initialize_item - generating new item object '.$next_item, 0); }
$mylpi = new learnpathItem($next_item, $user_id);
}
if ($mylpi) {
$mylpi->set_lp_view($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();
$mytotal_time = $mylpi->get_scorm_time('js', null, true);
$mymastery_score = $mylpi->get_mastery_score();
$mymax_time_allowed = $mylpi->get_max_time_allowed();
$mylaunch_data = $mylpi->get_launch_data();
$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);
}
// Obtention des donnees d'objectifs
$mycoursedb = Database::get_course_table(TABLE_LP_IV_OBJECTIVE);
$course_id = api_get_course_int_id();
$mylp_iv_id = $mylpi->db_item_view_id;
$phpobjectives = array();
if (!empty($mylp_iv_id)) {
$sql = "SELECT objective_id, status, score_raw, score_max, score_min
FROM $mycoursedb
WHERE lp_iv_id = $mylp_iv_id AND c_id = $course_id
ORDER BY id ASC;";
$res = Database::query($sql);
while ($row = Database::fetch_row($res)) {
$phpobjectives[] = $row;
}
}
$myobjectives = json_encode($phpobjectives);
$return .=
"olms.score=".$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(".$myistring.");" .
//"olms.item_objectives = new Array();" .
"olms.item_objectives = ".$myobjectives.";" .
"olms.G_lastError = 0;" .
"olms.G_LastErrorMessage = 'No error';".
"olms.finishSignalReceived = 0;";
/*
* and re-initialise the rest (proper to the LMS)
* -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->get_total_items_count_without_chapters();
$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();
$return .=
"olms.lms_lp_id=".$lp_id.";" .
"olms.lms_item_id=".$next_item.";" .
"olms.lms_old_item_id=0;" .
"olms.lms_initialized=0;" .
"olms.lms_view_id=".$view_id.";" .
"olms.lms_user_id=".$user_id.";" .
"olms.next_item=".$next_item.";" . // 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."';" .
"olms.asset_timer = 0;";
$mylp->set_error_msg('');
$mylp->prerequisites_match(); // Check the prerequisites are all complete.
if ($debug > 1) { error_log('Prereq_match() returned '.htmlentities($mylp->error), 0); }
if ($debug > 1) { error_log("return = $return "); }
return $return;
}
/**
* 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 $statusSignalReceived Whether the SCO called SetValue(lesson_status)
* @return bool|null|string The resulting JS string
*/
function save_item($lp_id, $user_id, $view_id, $item_id, $score = -1.0, $max = -1.0, $min = -1.0, $status = '', $time = 0, $suspend = '', $location = '', $interactions = array(), $core_exit = 'none', $sessionId = null, $courseId = null, $lmsFinish = 0, $userNavigatesAway = 0, $statusSignalReceived = 0)
{
//global $debug;
$debug = 0;
$return = null;
if ($debug > 0) {
error_log('lp_ajax_save_item.php : save_item() params: ');
error_log("item_id: {$item_id}");
error_log("lp_id: {$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}");
}
$myLP = learnpath::getLpFromSession(api_get_course_id(), $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 */
$myLPI = isset($myLP->items[$item_id]) ? $myLP->items[$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 false;
}
// 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 ($prerequisitesCheck !== true) {
// If prerequisites were not matched, don't update any item info
if ($debug) {
error_log("prereq_check: " . intval($prerequisitesCheck));
}
return $return;
} else {
if ($debug > 1) {
error_log('Prerequisites are OK');
}
if (isset($max) && $max != -1) {
$myLPI->max_score = $max;
$myLPI->set_max_score($max);
if ($debug > 1) {
error_log("Setting max_score: {$max}");
}
}
if (isset($min) && $min != -1 && $min != 'undefined') {
$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) && $score != -1) {
if ($debug > 1) {
error_log('Calling set_score(' . $score . ')', 0);
error_log('set_score changes the status to failed/passed if mastery score is provided', 0);
}
$myLPI->set_score($score);
if ($debug > 1) {
error_log('Done calling set_score ' . $myLPI->get_score(), 0);
}
} else {
if ($debug > 1) {
error_log("Score not updated");
}
}
$statusIsSet = false;
// Default behaviour.
if (isset($status) && $status != '' && $status != 'undefined') {
if ($debug > 1) {
error_log('Calling set_status(' . $status . ')', 0);
}
$myLPI->set_status($status);
$statusIsSet = true;
if ($debug > 1) {
error_log('Done calling set_status: checking from memory: ' . $myLPI->get_status(false), 0);
}
} else {
if ($debug > 1) {
error_log("Status not updated");
}
}
$my_type = $myLPI->get_type();
// Set status to completed for hotpotatoes if score > 80%.
if ($my_type == 'hotpotatoes') {
if ((empty($status) || $status == 'undefined' || $status == 'not attempted') && $max > 0) {
if ($score / $max > 0.8) {
$myStatus = 'completed';
if ($debug > 1) {
error_log('Calling set_status(' . $myStatus . ') for hotpotatoes', 0);
}
$myLPI->set_status($myStatus);
$statusIsSet = true;
if ($debug > 1) {
error_log('Done calling set_status for hotpotatoes - now ' . $myLPI->get_status(false), 0);
}
}
} elseif ($status == 'completed' && $max > 0 && $score / $max < 0.8) {
$myStatus = 'failed';
if ($debug > 1) {
error_log('Calling set_status(' . $myStatus . ') for hotpotatoes', 0);
}
$myLPI->set_status($myStatus);
$statusIsSet = true;
if ($debug > 1) {
error_log('Done calling set_status for hotpotatoes - now ' . $myLPI->get_status(false), 0);
}
}
} elseif ($my_type == 'sco') {
/*
* 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 = $myLPI->get_mastery_score();
if ($masteryScore == -1 || 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) && $score != -1) && !$statusIsSet && !$statusSignalReceived) {
if ($score >= $masteryScore) {
$myLPI->set_status('passed');
} else {
$myLPI->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)) {
$myLPI->set_status($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 && $credit == 'no-credit' && !$statusSignalReceived) {
$mode = $myLPI->get_lesson_mode();
if ($mode == 'browse' && $status == 'browsed') {
$myLPI->set_status($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) {
$myStatus = 'completed';
/**
* After setting the cmi.core.lesson_status to "completed",
* the LMS should now check to see if a Mastery Score has been
* specified in the cmi.student_data.mastery_score, if supported,
* or the manifest that the SCO is a member of.
* If a Mastery Score is provided and the SCO did set the
* cmi.core.score.raw, the LMS shall compare the cmi.core.score.raw
* to the Mastery Score and set the cmi.core.lesson_status to
* either "passed" or "failed". If no Mastery Score is provided,
* the LMS will leave the cmi.core.lesson_status as "completed”
*/
if ($masteryScore && (isset($score) && $score != -1)) {
if ($score >= $masteryScore) {
$myStatus = 'passed';
} else {
$myStatus = 'failed';
}
}
$myLPI->set_status($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 != '' && $status != 'undefined') {
if ($debug > 1) {
error_log('Calling set_status(' . $status . ')', 0);
}
$myLPI->set_status($status);
if ($debug > 1) {
error_log('Done calling set_status: checking from memory: ' . $myLPI->get_status(false), 0);
}
} else {
if ($debug > 1) {
error_log("Status not updated");
}
}
}
if (isset($time) && $time != '' && $time != 'undefined') {
// If big integer, then it's a timestamp, otherwise it's normal scorm time.
if ($debug > 1) {
error_log('Calling set_time(' . $time . ') ', 0);
}
if ($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 . ' ', 0);
}
$myLPI->set_time($real_time, 'int');
} else {
if ($debug > 1) {
error_log("Time is in SCORM format");
}
if ($debug > 1) {
error_log('Calling $time ' . $time . ' ', 0);
}
$myLPI->set_time($time, 'scorm');
}
}
if (isset($suspend) && $suspend != '' && $suspend != 'undefined') {
$myLPI->current_data = $suspend;
}
if (isset($location) && $location != '' && $location != 'undefined') {
$myLPI->set_lesson_location($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, $clean_interaction);
}
}
if ($core_exit != 'undefined') {
$myLPI->set_core_exit($core_exit);
}
$myLP->save_item($item_id, false);
}
$myStatusInDB = $myLPI->get_status(true);
if ($debug) {
error_log("Status in DB: {$myStatusInDB}");
}
if ($myStatusInDB != 'completed' && $myStatusInDB != 'passed' && $myStatusInDB != 'browsed' && $myStatusInDB != 'failed') {
$myStatusInMemory = $myLPI->get_status(false);
if ($myStatusInMemory != $myStatusInDB) {
$myStatus = $myStatusInMemory;
} else {
$myStatus = $myStatusInDB;
}
} else {
$myStatus = $myStatusInDB;
}
$myTotal = $myLP->get_total_items_count_without_chapters();
$myComplete = $myLP->get_complete_items_count();
$myProgressMode = $myLP->get_progress_bar_mode();
$myProgressMode = $myProgressMode == '' ? '%' : $myProgressMode;
if ($debug > 1) {
error_log("mystatus: {$myStatus}", 0);
error_log("myprogress_mode: {$myProgressMode}", 0);
error_log("progress: {$myComplete} / {$myTotal}", 0);
}
if ($myLPI->get_type() != 'sco') {
// 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 . "');";
}
}
$return .= "update_progress_bar('{$myComplete}', '{$myTotal}', '{$myProgressMode}');";
$isLoginAs = Container::getAuthorizationChecker()->isGranted('ROLE_PREVIOUS_ADMIN');
if (!$isLoginAs) {
$tbl_track_login = Database::get_main_table(TABLE_STATISTIC_TRACK_E_LOGIN);
$sql = "SELECT login_id, login_date\n FROM {$tbl_track_login}\n WHERE login_user_id= " . api_get_user_id() . "\n ORDER BY login_date DESC\n 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}\n SET logout_date='" . $current_time . "'\n WHERE login_id = {$i_id_last_connection}";
Database::query($sql);
}
}
if ($myLP->get_type() == 2) {
$return .= "update_stats();";
}
// To be sure progress is updated.
$myLP->save_last();
Session::write('lpobject', serialize($myLP));
if ($debug > 0) {
error_log('---------------- lp_ajax_save_item.php : save_item end ----- ');
}
return $return;
}
/**
* Get one item's details
* @param integer LP ID
* @param integer user ID
* @param integer View ID
* @param integer Current item ID
* @param integer New item ID
*/
function switch_item_toc($lp_id, $user_id, $view_id, $current_item, $next_item) {
$debug = 0;
$return = '';
if ($debug > 0) { error_log('In xajax_switch_item_toc('.$lp_id.','.$user_id.','.$view_id.','.$current_item.','.$next_item.')', 0); }
require_once 'learnpath.class.php';
require_once 'scorm.class.php';
require_once 'aicc.class.php';
require_once 'learnpathItem.class.php';
require_once 'scormItem.class.php';
require_once 'aiccItem.class.php';
$mylp = learnpath::getLpFromSession(api_get_course_id(), $lp_id, $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.')', 0); }
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.')', 0); }
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.')', 0); }
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.')', 0); }
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, $user_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);
}
$mytotal = $mylp->get_total_items_count_without_chapters();
$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();
$return .=
//"saved_lesson_status='not attempted';" .
"olms.lms_lp_id=".$lp_id.";" .
"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."';" .
"olms.asset_timer = 0;";
$return .= "update_toc('unhighlight','".$current_item."');".
"update_toc('highlight','".$new_item_id."');".
"update_toc('$mylesson_status','".$new_item_id."');".
"update_progress_bar('$mycomplete','$mytotal','$myprogress_mode');";
$mylp->set_error_msg('');
$mylp->prerequisites_match(); // Check the prerequisites are all complete.
if ($debug > 1) { error_log('Prereq_match() returned '.htmlentities($mylp->error), 0); }
$_SESSION['scorm_item_id'] = $new_item_id; // Save the new item ID for the exercise tool to use.
$_SESSION['lpobject'] = serialize($mylp);
return $return;
}
/**
* Get one item's details
* @param integer $lpId LP ID
* @param integer $userId user ID
* @param integer $viewId View ID
* @param integer $currentItem Current item ID
* @param integer $nextItem New item ID
* @return string JavaScript commands to be executed in scorm_api.php
*/
function switch_item_toc($lpId, $userId, $viewId, $currentItem, $nextItem)
{
$debug = 0;
$return = '';
if ($debug > 0) {
error_log('In switch_item_toc(' . $lpId . ',' . $userId . ',' . $viewId . ',' . $currentItem . ',' . $nextItem . ')', 0);
}
$myLP = learnpath::getLpFromSession(api_get_course_id(), $lpId, $userId);
$newItemId = 0;
$oldItemId = 0;
switch ($nextItem) {
case 'next':
$myLP->set_current_item($currentItem);
$myLP->next();
$newItemId = $myLP->get_current_item_id();
if ($debug > 1) {
error_log('In {next} - next item is ' . $newItemId . '(current: ' . $currentItem . ')', 0);
}
break;
case 'previous':
$myLP->set_current_item($currentItem);
$myLP->previous();
$newItemId = $myLP->get_current_item_id();
if ($debug > 1) {
error_log('In {previous} - next item is ' . $newItemId . '(current: ' . $currentItem . ')', 0);
}
break;
case 'first':
$myLP->set_current_item($currentItem);
$myLP->first();
$newItemId = $myLP->get_current_item_id();
if ($debug > 1) {
error_log('In {first} - next item is ' . $newItemId . '(current: ' . $currentItem . ')', 0);
}
break;
case 'last':
break;
default:
// Should be filtered to check it's not hacked
if ($nextItem == $currentItem) {
// If we're opening the same item again.
$myLP->items[$currentItem]->restart();
} else {
$oldItemId = $currentItem;
}
$newItemId = $nextItem;
$myLP->set_current_item($newItemId);
if ($debug > 1) {
error_log('In {default} - next item is ' . $newItemId . '(current: ' . $currentItem . ')', 0);
}
break;
}
$myLP->start_current_item(true);
if ($myLP->force_commit) {
$myLP->save_current();
}
if (is_object($myLP->items[$newItemId])) {
$myLPI = $myLP->items[$newItemId];
} else {
if ($debug > 1) {
error_log('In switch_item_details - generating new item object', 0);
}
$myLPI = new learnpathItem($newItemId, $userId);
$myLPI->set_lp_view($viewId);
}
/*
* now get what's needed by the SCORM API:
* -score
* -max
* -min
* -lesson_status
* -session_time
* -suspend_data
*/
$lessonStatus = $myLPI->get_status();
$interactionsCount = $myLPI->get_interactions_count();
/**
* Interactions are not returned by switch_item at the moment, but please
* leave commented code to allow for the addition of these in the future
*/
/*
$interactionsString = '';
for ($i = 0; $i < $interactionsCount; $i++) {
$interactionsString .= ",[".$i.",'','','','','','','']";
}
if (!empty($interactionsString)) {
$interactionsString = substr($interactionsString, 1);
}
*/
$totalItems = $myLP->get_total_items_count_without_chapters();
$completedItems = $myLP->get_complete_items_count();
$progressMode = $myLP->get_progress_bar_mode();
$progressMode = $progressMode == '' ? '%' : $progressMode;
$nextItemId = $myLP->get_next_item_id();
$previousItemId = $myLP->get_previous_item_id();
$itemType = $myLPI->get_type();
$lessonMode = $myLPI->get_lesson_mode();
$credit = $myLPI->get_credit();
$launchData = $myLPI->get_launch_data();
$objectivesCount = $myLPI->get_objectives_count();
$coreExit = $myLPI->get_core_exit();
$return .= "olms.lms_lp_id=" . $lpId . ";" . "olms.lms_item_id=" . $newItemId . ";" . "olms.lms_old_item_id=" . $oldItemId . ";" . "olms.lms_initialized=0;" . "olms.lms_view_id=" . $viewId . ";" . "olms.lms_user_id=" . $userId . ";" . "olms.next_item=" . $newItemId . ";" . "olms.lms_next_item=" . $nextItemId . ";" . "olms.lms_previous_item=" . $previousItemId . ";" . "olms.lms_item_type = '" . $itemType . "';" . "olms.lms_item_credit = '" . $credit . "';" . "olms.lms_item_lesson_mode = '" . $lessonMode . "';" . "olms.lms_item_launch_data = '" . $launchData . "';" . "olms.lms_item_interactions_count = '" . $interactionsCount . "';" . "olms.lms_item_objectives_count = '" . $objectivesCount . "';" . "olms.lms_item_core_exit = '" . $coreExit . "';" . "olms.asset_timer = 0;";
$return .= "update_toc('unhighlight','" . $currentItem . "');" . "update_toc('highlight','" . $newItemId . "');" . "update_toc('{$lessonStatus}','" . $newItemId . "');" . "update_progress_bar('{$completedItems}','{$totalItems}','{$progressMode}');";
$myLP->set_error_msg('');
$myLP->prerequisites_match();
// Check the prerequisites are all complete.
if ($debug > 1) {
error_log('prerequisites_match() returned ' . htmlentities($myLP->error), 0);
}
$_SESSION['scorm_item_id'] = $newItemId;
// Save the new item ID for the exercise tool to use.
$_SESSION['lpobject'] = serialize($myLP);
return $return;
}
/**
* Get one item's details
* @param integer LP ID
* @param integer user ID
* @param integer View ID
* @param integer Current item ID
* @param integer New item ID
*/
function switch_item_details($lp_id, $user_id, $view_id, $current_item, $next_item) {
global $charset;
$debug = 0;
if ($debug > 0) { error_log('In xajax_switch_item_details('.$lp_id.','.$user_id.','.$view_id.','.$current_item.','.$next_item.')', 0); }
$objResponse = new xajaxResponse();
/*$item_id may be one of:
* -'next'
* -'previous'
* -'first'
* -'last'
* - a real item ID
*/
require_once 'learnpath.class.php';
require_once 'scorm.class.php';
require_once 'aicc.class.php';
require_once 'learnpathItem.class.php';
require_once 'scormItem.class.php';
require_once 'aiccItem.class.php';
$mylp = learnpath::getLpFromSession(api_get_course_id(), $lp_id, $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.')', 0); }
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.')', 0); }
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.')', 0); }
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.')', 0); }
break;
}
$mylp->start_current_item(true);
if ($mylp->force_commit){
$mylp->save_current();
}
//$objResponse->addAlert(api_get_path(REL_CODE_PATH).'newscorm/learnpathItem.class.php');
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, $user_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();
$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();
$objResponse->addScript(
"score=".$myscore.";" .
"max=".$mymax.";" .
"min=".$mymin.";" .
"lesson_status='".$mylesson_status."';" .
"lesson_location='".$mylesson_location."';" .
"session_time='".$mysession_time."';" .
"suspend_data='".$mysuspend_data."';" .
"lesson_location='".$mylesson_location."';" .
"total_time = '".$mytotal_time."';" .
"mastery_score = '".$mymastery_score."';" .
"max_time_allowed = '".$mymax_time_allowed."';" .
"launch_data = '".$mylaunch_data."';" .
"interactions = new Array();" .
"item_objectives = new Array();" .
"G_lastError = 0;" .
"G_LastErrorMessage = 'No error';");
/*
* and re-initialise the rest
* -saved_lesson_status = 'not attempted'
* -lms_lp_id
* -lms_item_id
* -lms_old_item_id
* -lms_new_item_id
* -lms_been_synchronized
* -lms_initialized
* -lms_total_lessons
* -lms_complete_lessons
* -lms_progress_bar_mode
* -lms_view_id
* -lms_user_id
*/
$mytotal = $mylp->get_total_items_count_without_chapters();
$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();
$objResponse->addScript(
"saved_lesson_status='not attempted';" .
"lms_lp_id=".$lp_id.";" .
"lms_item_id=".$new_item_id.";" .
"lms_old_item_id=0;" .
"lms_been_synchronized=0;" .
"lms_initialized=0;" .
"lms_total_lessons=".$mytotal.";" .
"lms_complete_lessons=".$mycomplete.";" .
"lms_progress_bar_mod='".$myprogress_mode."';" .
"lms_view_id=".$view_id.";" .
"lms_user_id=".$user_id.";" .
"next_item=".$new_item_id.";" . // This one is very important to replace possible literal strings.
"lms_next_item=".$mynext.";" .
"lms_previous_item=".$myprevious.";" .
"lms_item_type = '".$myitemtype."';" .
"lms_item_credit = '".$mycredit."';" .
"lms_item_lesson_mode = '".$mylesson_mode."';" .
"lms_item_launch_data = '".$mylaunch_data."';" .
"lms_item_interactions_count = '".$myinteractions_count."';" .
"lms_item_objectives_count = '".$myinteractions_count."';" .
"lms_item_core_exit = '".$mycore_exit."';" .
"asset_timer = 0;"
);
$objResponse->addScript("update_toc('unhighlight','".$current_item."');");
$objResponse->addScript("update_toc('highlight','".$new_item_id."');");
$objResponse->addScript("update_toc('$mylesson_status','".$new_item_id."');");
$objResponse->addScript("update_progress_bar('$mycomplete','$mytotal','$myprogress_mode');");
$mylp->set_error_msg('');
$mylp->prerequisites_match(); // Check the prerequisites are all complete.
if ($debug > 1) { error_log('Prereq_match() returned '.api_htmlentities($mylp->error, ENT_QUOTES, $charset), 0); }
$objResponse->addScript("update_message_frame('".str_replace("'", "\'", api_htmlentities($mylp->error, ENT_QUOTES, $charset))."');");
$_SESSION['scorm_item_id'] = $new_item_id; // Save the new item ID for the exercise tool to use.
$_SESSION['lpobject'] = serialize($mylp);
return $objResponse;
}
