Improved live stats - now showing remaining time

main/exercice/live_stats.php

@@ -4,7 +4,7 @@
 require_once 'exercise.class.php';
 require_once 'question.class.php';
 require_once 'answer.class.php';
-$language_file = 'exercice';
+$language_file = array('exercice','tracking');
 require_once '../inc/global.inc.php';
 require_once 'exercise.lib.php';
 $this_section = SECTION_COURSES;
@@ -39,15 +39,15 @@ $minutes = 60;
 $url     = api_get_path(WEB_AJAX_PATH).'exercise.ajax.php?a=get_live_stats&exercise_id='.$objExercise->id.'&minutes='.$minutes;
 
 //The order is important you need to check the the $column variable in the model.ajax.php file 
-$columns        = array(get_lang('FirstName'), get_lang('LastName'), get_lang('Date'), get_lang('QuestionsAlreadyAnswered'), get_lang('Score'));
+$columns        = array(get_lang('FirstName'), get_lang('LastName'), get_lang('Time'), get_lang('QuestionsAlreadyAnswered'), get_lang('Score'));
 
 //Column config
 $column_model   = array(
                         array('name'=>'firstname',  'index'=>'firstname',       'width'=>'100', 'align'=>'left'),
                         array('name'=>'lastname',   'index'=>'lastname',        'width'=>'100', 'align'=>'left'),
                         array('name'=>'start_date', 'index'=>'start_date',      'width'=>'100', 'align'=>'left'),
-                        array('name'=>'question',   'index'=>'count_questions', 'width'=>'100', 'align'=>'left', 'sortable'=>'false'),
-                        array('name'=>'score',      'index'=>'score',           'width'=>'100', 'align'=>'left','sortable'=>'false'),
+                        array('name'=>'question',   'index'=>'count_questions', 'width'=>'60', 'align'=>'left', 'sortable'=>'false'),
+                        array('name'=>'score',      'index'=>'score',           'width'=>'50', 'align'=>'left','sortable'=>'false'),
                        );            
 //Autowidth             
 $extra_params['autowidth'] = 'true';
@@ -87,4 +87,4 @@ echo $actions = Display::div($actions, array('class'=> 'actions'));
 //echo Display::page_header(get_lang('StudentsWhoAreTakingTheExerciseRightNow'));
 echo Display::grid_html('live_stats');  
 
-Display::display_footer();
+Display::display_footer();

main/inc/ajax/exercise.ajax.php

@@ -88,7 +88,10 @@ switch ($action) {
         while ($row = Database::fetch_array($result,'ASSOC')){
             $results[] = $row;
         }        
-        
+
+        $oExe = new exercise();
+        $oExe->read($exercise_id);
+
         $response = new stdClass();           
         $response->page     = $page; 
         $response->total    = $total_pages; 
@@ -110,10 +113,14 @@ switch ($action) {
                 
                 $row['count_questions'] = $count_questions;
                 
-                $response->rows[$i]['id'] = $row['exe_id'];                 
+                $response->rows[$i]['id'] = $row['exe_id'];
+                $remaining = strtotime($row['start_date'])+($oExe->expired_time*60) - strtotime(api_get_utc_datetime(time()));
+                $h = floor($remaining/3600);
+                $m = floor(($remaining - ($h*3600))/60);
+                $s = ($remaining - ($h*3600) - ($m*60));
                 $array = array( $row['firstname'], 
                                 $row['lastname'], 
-                                api_format_date($row['start_date'], DATE_TIME_FORMAT_LONG),
+                                api_format_date($row['start_date'], DATE_TIME_FORMAT_LONG).' ['.($h>0?$h.':':'').sprintf("%02d",$m).':'.sprintf("%02d",$s).']',
                                 $row['count_questions'],                                
                                 round($row['score']*100).'%'
                                );
@@ -360,4 +367,4 @@ switch ($action) {
     default:
         echo '';
 }
-exit;
+exit;