/**
* Parse the assignment rules.
*
* @param StreamInterface $stream
* @param AssignmentInterface $assignment
* @param $string
*/
protected function parseAssignmentRules(StreamInterface $stream, AssignmentInterface $assignment, &$string)
{
$rules = [];
if ($assignment->isRequired()) {
$rules[] = 'required';
}
if ($assignment->isUnique()) {
$rules[] = 'unique:' . $stream->getEntryTableName() . ',' . $assignment->getColumnName();
}
if (is_array($rules)) {
$rules = implode('|', array_filter($rules));
$string .= "\n'{$assignment->getFieldSlug()}' => '{$rules}',";
}
}
