calendar-bundle/src/Resources/contao/classes/Calendar.php
public function generateFeed($intId)
	{
		$objCalendar = CalendarFeedModel::findByPk($intId);

		if ($objCalendar === null)
		{
			return;
		}

		$objCalendar->feedName = $objCalendar->alias ?: 'calendar' . $objCalendar->id;

		// Delete XML file
		if (Input::get('act') == 'delete')
		{
			$this->import(Files::class, 'Files');
			$this->Files->delete('web/share/' . $objCalendar->feedName . '.xml');
		}

		// Update XML file
		else
		{
			$this->generateFiles($objCalendar->row());
			$this->log('Generated calendar feed "' . $objCalendar->feedName . '.xml"', __METHOD__, TL_CRON);
		}
	}
public function generateFeed($intId)
	{
		$objCalendar = CalendarFeedModel::findByPk($intId);

		if ($objCalendar === null)
		{
			return;
		}

		$objCalendar->feedName = $objCalendar->alias ?: 'calendar' . $objCalendar->id;

		// Delete XML file
		if (Input::get('act') == 'delete')
		{
			$this->import(Files::class, 'Files');
			$this->Files->delete('web/share/' . $objCalendar->feedName . '.xml');
		}

		// Update XML file
		else
		{
			$this->generateFiles($objCalendar->row());
			$this->log('Generated calendar feed "' . $objCalendar->feedName . '.xml"', __METHOD__, TL_CRON);
		}
	}
Update a particular RSS feed

@param integer $intId