Calculate the sum of statuses for each user

Hi Dan,

Please review this little patch that sum up the number of each status occurrence for each user, and display it at the bottom of the attendance table.

Nadav :-)

renderer.php

@@ -320,7 +320,20 @@ class mod_attendance_renderer extends plugin_renderer_base {
         $table .= html_writer::tag('center', html_writer::empty_tag('input', $params));
         $table = html_writer::tag('form', $table, array('method' => 'post', 'action' => $takedata->url_path()));
 
-        return $controls.$table;
+        // Calculate the sum of statuses for each user
+        $sessionstats[] = array();
+        foreach ($takedata->sessionlog as $userlog) {
+            foreach($takedata->statuses as $status) {
+                if ($userlog->statusid == $status->id) $sessionstats[$status->id]++;
+            }
+        }
+
+        $statsoutput = '<br/>';
+        foreach($takedata->statuses as $status) {
+            $statsoutput .= "$status->description = ".$sessionstats[$status->id]." <br/>";
+        }
+
+        return $controls.$table.$statsoutput;
     }
 
     protected function render_attendance_take_controls(attendance_take_data $takedata) {