/** * 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; }