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- <?php //$id$
- /**
- * This script contains the server part of the xajax interaction process. The client part is located
- * in lp_api.php or other api's.
- * This is a first attempt at using xajax and AJAX in general, so the code might be a bit unsettling.
- * @package dokeos.learnpath
- * @author Yannick Warnier <ywarnier@beeznest.org>
- */
- /**
- * Script
- */
- //flag to allow for anonymous user - needs to be set before global.inc.php
- $use_anonymous = true;
- // name of the language file that needs to be included
- $language_file[] = 'learnpath';
- require_once('back_compat.inc.php');
- /**
- * Writes an item's new values into the database and returns the operation result
- * @param integer Learnpath ID
- * @param integer User ID
- * @param integer View ID
- * @param integer Item ID
- * @param double Current score
- * @param double Maximum score
- * @param double Minimum score
- * @param string Lesson status
- * @param string Session time
- * @param string Suspend data
- * @param string Lesson location
- * @param array Interactions array
- * @param string Core exit SCORM string
- */
- function save_item($lp_id,$user_id,$view_id,$item_id,$score=-1,$max=-1,$min=-1,$status='',$time=0,$suspend='',$location='',$interactions=array(),$core_exit='none')
- {
- global $_configuration;
- $debug=0;
- $return = '';
- if($debug>0){error_log('In save_item('.$lp_id.','.$user_id.','.$view_id.','.$item_id.','.$score.','.$max.','.$min.',"'.$status.'",'.$time.',"'.$suspend.'","'.$location.'","'.(count($interactions)>0?$interactions[0]:'').'","'.$core_exit.'")',0);}
- //$objResponse = new xajaxResponse();
- 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');
- $mylp = '';
- if(isset($_SESSION['lpobject']))
- {
- if($debug>1){error_log('////$_SESSION[lpobject] is set',0);}
- $oLP =& unserialize($_SESSION['lpobject']);
- if(!is_object($oLP)){
- if($debug>2){error_log(print_r($oLP,true),0);}
- if($debug>2){error_log('////Building new lp',0);}
- unset($oLP);
- $code = api_get_course_id();
- $mylp = & new learnpath($code,$lp_id,$user_id);
- }else{
- if($debug>2){error_log('////Reusing session lp',0);}
- $mylp = & $oLP;
- }
- }
- //$objResponse->addAlert(api_get_path(REL_CODE_PATH).'newscorm/learnpathItem.class.php');
- $prereq_check = $mylp->prerequisites_match($item_id);
- if($prereq_check === true) //launch the prerequisites check and set error if needed
- {
- $mylpi =& $mylp->items[$item_id];
- //$mylpi->set_lp_view($view_id);
- if($max!=-1)
- {
- $mylpi->max_score=$max;
- }
- if($min!=-1)
- {
- $mylpi->min_score=$min;
- }
- if($score!=-1)
- {
- $mylpi->set_score($score);
- }
- if($status!='')
- {
- if($debug>1){error_log('Calling set_status('.$status.') from xajax',0);}
- $mylpi->set_status($status);
- if($debug>1){error_log('Done calling set_status from xajax',0);}
- }
- if($time!='')
- {
- //if big integer, then it's a timestamp, otherwise it's normal scorm time
- if($time == intval(strval($time)) && $time>1000000){
- $real_time = time() - $time;
- //$real_time += $mylpi->get_total_time();
- $mylpi->set_time($real_time,'int');
- }else{
- $mylpi->set_time($time);
- }
- }
- if($suspend!='')
- {
- $mylpi->current_data = $suspend;//escapetxt($suspend);
- }
- if($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);
- }
- }
- $mylpi->set_core_exit($core_exit);
- $mylp->save_item($item_id,false);
- }else{
- //return $objResponse;
- return $return;
- }
- $mystatus_in_db = $mylpi->get_status(true);
- if ($mystatus_in_db<>'completed' && $mystatus_in_db<>'passed' && $mystatus_in_db<>'browsed') {
- $mystatus_in_memory = $mylpi->get_status(false);
- if ($mystatus_in_memory<>$mystatus_in_db) {
- $mystatus=$mystatus_in_memory;
- } else {
- $mystatus=$mystatus_in_db;
- }
- } else {
- $mystatus=$mystatus_in_db;
- }
- $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==''?'%':$myprogress_mode);
- //$mylpi->write_to_db();
- $_SESSION['lpobject'] = serialize($mylp);
- if($mylpi->get_type()!='sco')
- { //if this object's JS status has not been updated by the SCORM API, update now
- //$objResponse->addScript("lesson_status='".$mystatus."';");
- $return .= "olms.lesson_status='".$mystatus."';";
- }
- //$objResponse->addScript("update_toc('".$mystatus."','".$item_id."');");
- $return .= "update_toc('".$mystatus."','".$item_id."');";
- $update_list = $mylp->get_update_queue();
- foreach($update_list as $my_upd_id => $my_upd_status)
- {
- if($my_upd_id != $item_id){ //only update the status from other items (i.e. parents and brothers), do not update current as we just did it already
- //$objResponse->addScript("update_toc('".$my_upd_status."','".$my_upd_id."');");
- $return .= "update_toc('".$my_upd_status."','".$my_upd_id."');";
- }
- }
- //$objResponse->addScript("update_progress_bar('$mycomplete','$mytotal','$myprogress_mode');");
- $return .= "update_progress_bar('$mycomplete','$mytotal','$myprogress_mode');";
- if($debug>0){
- //$objResponse->addScript("logit_lms('Saved data for item ".$item_id.", user ".$user_id." (status=".$mystatus.")',2);");
- $return .= "logit_lms('Saved data for item ".$item_id.", user ".$user_id." (status=".$mystatus.")',2);";
- if($debug>1){error_log('End of xajax_save_item()',0);}
- }
- if($_configuration['tracking_enabled'] && !isset($_SESSION['login_as']))
- { // if $_SESSION['login_as'] is set, then the user is an admin logged as the user
- $tbl_track_login = Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_LOGIN);
- $sql_last_connection="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_last_connection);
- if(Database::num_rows($q_last_connection) > 0) {
- $current_time=date('Y-m-d H:i:s');
- $row = Database::fetch_array($q_last_connection);
- $i_id_last_connection=$row['login_id'];
- $s_sql_update_logout_date="UPDATE $tbl_track_login SET logout_date='".$current_time."' WHERE login_id='$i_id_last_connection'";
- Database::query($s_sql_update_logout_date);
- }
- }
- if ($mylp->get_type()==2) {
- $return .="update_stats();";
- }
- return $return;
- //return $objResponse;
- }
- $interactions = array();
- if(isset($_GET['interact'])) {
- if (is_array($_GET['interact'])) {
- foreach($_GET['interact'] as $idx=>$interac)
- {
- $interactions[$idx] = split(',',substr($interac,1,-1));
- if(!isset($interactions[$idx][7])){ //make sure there are 7 elements
- $interactions[$idx][7]='';
- }
- }
- }
- }
- echo save_item(
- $_GET['lid'],
- $_GET['uid'],
- $_GET['vid'],
- $_GET['iid'],
- $_GET['s'],
- $_GET['max'],
- $_GET['min'],
- $_GET['status'],
- $_GET['t'],
- $_GET['suspend'],
- $_GET['loc'],
- $interactions,
- $_GET['core_exit']);
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