/**
* Checks if current workflow item allows transition
*
* @param WorkflowData $value
* @param TransitionIsAllowed $constraint
*/
public function validate($value, Constraint $constraint)
{
/** @var WorkflowItem $workflowItem */
$workflowItem = $constraint->getWorkflowItem();
$transitionName = $constraint->getTransitionName();
$workflow = $this->registry->getWorkflow($workflowItem->getWorkflowName());
$errors = new ArrayCollection();
$result = false;
try {
$result = $workflow->isTransitionAllowed($workflowItem, $transitionName, $errors, true);
} catch (InvalidTransitionException $e) {
switch ($e->getCode()) {
case InvalidTransitionException::UNKNOWN_TRANSITION:
$errors->add(array('message' => $constraint->unknownTransitionMessage, 'parameters' => array('{{ transition }}' => $transitionName)));
break;
case InvalidTransitionException::NOT_START_TRANSITION:
$errors->add(array('message' => $constraint->notStartTransitionMessage, 'parameters' => array('{{ transition }}' => $transitionName)));
break;
case InvalidTransitionException::STEP_HAS_NO_ALLOWED_TRANSITION:
$errors->add(array('message' => $constraint->stepHasNotAllowedTransitionMessage, 'parameters' => array('{{ transition }}' => $transitionName, '{{ step }}' => $workflowItem->getCurrentStep()->getName())));
break;
}
}
if (!$result) {
if ($errors->count()) {
foreach ($errors as $error) {
$this->context->addViolation($error['message'], $error['parameters']);
}
} else {
$this->context->addViolation($constraint->someConditionsNotMetMessage);
}
}
}