public function populateTemplateItem($values, $id = null, $instance_id = null)
 {
     $this->con->beginTransaction();
     try {
         $template = $this->getConfiguredItemTemplate();
         $prefix = Application_Form_EditHistoryItem::ID_PREFIX;
         if (isset($id)) {
             $historyRecord = CcPlayoutHistoryQuery::create()->findPk($id, $this->con);
         } else {
             $historyRecord = new CcPlayoutHistory();
         }
         if (isset($instance_id)) {
             $historyRecord->setDbInstanceId($instance_id);
         }
         $timezoneUTC = new DateTimeZone("UTC");
         $timezoneLocal = new DateTimeZone($this->timezone);
         $dateTime = new DateTime($values[$prefix . "starts"], $timezoneLocal);
         $dateTime->setTimezone($timezoneUTC);
         $historyRecord->setDbStarts($dateTime->format("Y-m-d H:i:s"));
         $dateTime = new DateTime($values[$prefix . "ends"], $timezoneLocal);
         $dateTime->setTimezone($timezoneUTC);
         $historyRecord->setDbEnds($dateTime->format("Y-m-d H:i:s"));
         $templateValues = $values[$prefix . "template"];
         $file = $historyRecord->getCcFiles();
         $md = array();
         $metadata = array();
         $fields = $template["fields"];
         $required = $this->mandatoryItemFields();
         $phpCasts = $this->getPhpCasts();
         for ($i = 0, $len = count($fields); $i < $len; $i++) {
             $field = $fields[$i];
             $key = $field["name"];
             //required is delt with before this loop.
             if (in_array($key, $required)) {
                 continue;
             }
             $isFileMd = $field["isFileMd"];
             $entry = $phpCasts[$field["type"]]($templateValues[$prefix . $key]);
             if ($isFileMd && isset($file)) {
                 Logging::info("adding metadata associated to a file for {$key} = {$entry}");
                 $md[$key] = $entry;
             } else {
                 Logging::info("adding metadata for {$key} = {$entry}");
                 $metadata[$key] = $entry;
             }
         }
         if (count($md) > 0) {
             $f = Application_Model_StoredFile::createWithFile($file, $this->con);
             $f->setDbColMetadata($md);
         }
         //Use this array to update existing values.
         $mds = $historyRecord->getCcPlayoutHistoryMetaDatas();
         foreach ($mds as $md) {
             $prevmd[$md->getDbKey()] = $md;
         }
         foreach ($metadata as $key => $val) {
             if (isset($prevmd[$key])) {
                 $meta = $prevmd[$key];
                 $meta->setDbValue($val);
             } else {
                 $meta = new CcPlayoutHistoryMetaData();
                 $meta->setDbKey($key);
                 $meta->setDbValue($val);
                 $historyRecord->addCcPlayoutHistoryMetaData($meta);
             }
         }
         $historyRecord->save($this->con);
         $this->con->commit();
     } catch (Exception $e) {
         $this->con->rollback();
         throw $e;
     }
 }