/**
  * Clear the TYPO3 page cache for the given record.
  * If the record lies on a page, then we clear the cache of this page.
  * If the record has no PID column, we clear the cache of the current page as best-effort.
  *
  * Much of this functionality is taken from t3lib_tcemain::clear_cache() which unfortunately only works with logged-in BE user.
  *
  * @param $tableName Table name of the record
  * @param $uid UID of the record
  * @return void
  */
 protected function clearPageCache($tableName, $uid)
 {
     $extbaseSettings = Tx_Extbase_Dispatcher::getExtbaseFrameworkConfiguration();
     if (isset($extbaseSettings['persistence']['enableAutomaticCacheClearing']) && $extbaseSettings['persistence']['enableAutomaticCacheClearing'] === '1') {
     } else {
         // if disabled, return
         return;
     }
     $pageIdsToClear = array();
     $storagePage = NULL;
     $columns = $this->databaseHandle->admin_get_fields($tableName);
     if (array_key_exists('pid', $columns)) {
         $result = $this->databaseHandle->exec_SELECTquery('pid', $tableName, 'uid=' . intval($uid));
         if ($row = $this->databaseHandle->sql_fetch_assoc($result)) {
             $storagePage = $row['pid'];
             $pageIdsToClear[] = $storagePage;
         }
     } elseif (isset($GLOBALS['TSFE'])) {
         // No PID column - we can do a best-effort to clear the cache of the current page if in FE
         $storagePage = $GLOBALS['TSFE']->id;
         $pageIdsToClear[] = $storagePage;
     }
     if ($storagePage === NULL) {
         return;
     }
     if (!isset($this->pageTSConfigCache[$storagePage])) {
         $this->pageTSConfigCache[$storagePage] = t3lib_BEfunc::getPagesTSconfig($storagePage);
     }
     if (isset($this->pageTSConfigCache[$storagePage]['TCEMAIN.']['clearCacheCmd'])) {
         $clearCacheCommands = t3lib_div::trimExplode(',', strtolower($this->pageTSConfigCache[$storagePage]['TCEMAIN.']['clearCacheCmd']), 1);
         $clearCacheCommands = array_unique($clearCacheCommands);
         foreach ($clearCacheCommands as $clearCacheCommand) {
             if (t3lib_div::testInt($clearCacheCommand)) {
                 $pageIdsToClear[] = $clearCacheCommand;
             }
         }
     }
     // TODO check if we can hand this over to the Dispatcher to clear the page only once, this will save around 10% time while inserting and updating
     Tx_Extbase_Utility_Cache::clearPageCache($pageIdsToClear);
 }
 /**
  * Clear cache of current page on error. Needed because we want a re-evaluation of the data.
  * Better would be just do delete the cache for the error action, but that is not possible right now.
  *
  * @return void
  */
 protected function clearCacheOnError()
 {
     $extbaseSettings = Tx_Extbase_Dispatcher::getExtbaseFrameworkConfiguration();
     if (isset($extbaseSettings['persistence']['enableAutomaticCacheClearing']) && $extbaseSettings['persistence']['enableAutomaticCacheClearing'] === '1') {
         if (isset($GLOBALS['TSFE'])) {
             $pageUid = $GLOBALS['TSFE']->id;
             Tx_Extbase_Utility_Cache::clearPageCache(array($pageUid));
         }
     }
 }
 /**
  * Clear cache of current page on error. Needed because we want a re-evaluation of the data.
  * Better would be just do delete the cache for the error action, but that is not possible right now.
  *
  * @return void
  */
 protected function clearCacheOnError()
 {
     $extbaseSettings = $this->configurationManager->getConfiguration(Tx_Extbase_Configuration_ConfigurationManagerInterface::CONFIGURATION_TYPE_FRAMEWORK);
     if (isset($extbaseSettings['persistence']['enableAutomaticCacheClearing']) && $extbaseSettings['persistence']['enableAutomaticCacheClearing'] === '1') {
         if (isset($GLOBALS['TSFE'])) {
             $pageUid = $GLOBALS['TSFE']->id;
             Tx_Extbase_Utility_Cache::clearPageCache(array($pageUid));
         }
     }
 }