ControllerBased::getProgressSqlCondition

protected function getProgressSqlCondition($steps, string $prefix)
{
	$progressSqlCondition = '';

	if (is_array($steps) && !empty($steps))
	{
		if (count($steps) === 1)
		{
			$progressSqlCondition = "{$prefix}P.PROGRESS_STEP = '{$steps[0]}'";
		}
		else
		{
			$slug = implode("','", $steps);
			$progressSqlCondition = "{$prefix}P.PROGRESS_STEP IN ('{$slug}')";
		}
	}

	return $progressSqlCondition;
}