Add TransitionHasDestineeIfIsSentExternal validator

This commit introduces a new validator to ensure that transitions marked as 'sent' have a designated external recipient. It includes related tests for scenarios with and without recipients and covers integration with the workflow context.

src/Bundle/ChillMainBundle/Workflow/Validator/TransitionHasDestineeIfIsSentExternal.php

@@ -0,0 +1,31 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * Chill is a software for social workers
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace Chill\MainBundle\Workflow\Validator;
+
+use Symfony\Component\Validator\Constraint;
+
+/**
+ * Check that a transition does have at least one external if the 'to' is 'isSentExternal'.
+ */
+#[\Attribute]
+class TransitionHasDestineeIfIsSentExternal extends Constraint
+{
+    public $messageDestineeRequired = 'workflow.transition_has_destinee_if_sent_external';
+    public $messageDestineeNotNecessary = 'workflow.transition_destinee_not_necessary';
+    public $codeNoNecessaryDestinee = 'd78ea142-819d-11ef-a459-b7009a3e4caf';
+    public $codeDestineeUnauthorized = 'eb8051fc-8227-11ef-8c3b-7f2de85bdc5b';
+
+    public function getTargets(): string
+    {
+        return self::CLASS_CONSTRAINT;
+    }
+}

src/Bundle/ChillMainBundle/Workflow/Validator/TransitionHasDestineeIfIsSentExternalValidator.php

@@ -0,0 +1,70 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * Chill is a software for social workers
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace Chill\MainBundle\Workflow\Validator;
+
+use Chill\MainBundle\Workflow\WorkflowTransitionContextDTO;
+use Symfony\Component\Validator\Constraint;
+use Symfony\Component\Validator\ConstraintValidator;
+use Symfony\Component\Validator\Exception\UnexpectedTypeException;
+use Symfony\Component\Workflow\Registry;
+
+final class TransitionHasDestineeIfIsSentExternalValidator extends ConstraintValidator
+{
+    public function __construct(private readonly Registry $registry) {}
+
+    public function validate($value, Constraint $constraint)
+    {
+        if (!$constraint instanceof TransitionHasDestineeIfIsSentExternal) {
+            throw new UnexpectedTypeException($constraint, TransitionHasDestineeIfIsSentExternal::class);
+        }
+
+        if (!$value instanceof WorkflowTransitionContextDTO) {
+            throw new UnexpectedTypeException($value, WorkflowTransitionContextDTO::class);
+        }
+
+        if (null == $value->transition) {
+            return;
+        }
+
+        $workflow = $this->registry->get($value->entityWorkflow, $value->entityWorkflow->getWorkflowName());
+        $isSentExternal = false;
+        foreach ($value->transition->getTos() as $to) {
+            $metadata = $workflow->getMetadataStore()->getPlaceMetadata($to);
+
+            $isSentExternal = $isSentExternal ? true : $metadata['isSentExternal'] ?? false;
+        }
+
+        if (!$isSentExternal) {
+            if (0 !== count($value->futureDestineeThirdParties)) {
+                $this->context->buildViolation($constraint->messageDestineeRequired)
+                    ->atPath('futureDestineeThirdParties')
+                    ->setCode($constraint->codeDestineeUnauthorized)
+                    ->addViolation();
+            }
+            if (0 !== count($value->futureDestineeEmails)) {
+                $this->context->buildViolation($constraint->messageDestineeRequired)
+                    ->atPath('futureDestineeEmails')
+                    ->setCode($constraint->codeDestineeUnauthorized)
+                    ->addViolation();
+            }
+
+            return;
+        }
+
+        if (0 === count($value->futureDestineeEmails) && 0 === count($value->futureDestineeThirdParties)) {
+            $this->context->buildViolation($constraint->messageDestineeRequired)
+                ->atPath('futureDestineeThirdParties')
+                ->setCode($constraint->codeNoNecessaryDestinee)
+                ->addViolation();
+        }
+    }
+}

src/Bundle/ChillMainBundle/Workflow/WorkflowTransitionContextDTO.php

@@ -14,6 +14,7 @@ namespace Chill\MainBundle\Workflow;
 use Chill\MainBundle\Entity\User;
 use Chill\MainBundle\Entity\UserGroup;
 use Chill\MainBundle\Entity\Workflow\EntityWorkflow;
+use Chill\MainBundle\Workflow\Validator\TransitionHasDestineeIfIsSentExternal;
 use Chill\PersonBundle\Entity\Person;
 use Chill\ThirdPartyBundle\Entity\ThirdParty;
 use Chill\ThirdPartyBundle\Validator\ThirdPartyHasEmail;
@@ -24,6 +25,7 @@ use Symfony\Component\Workflow\Transition;
 /**
  * Context for a transition on an workflow entity.
  */
+#[TransitionHasDestineeIfIsSentExternal]
 class WorkflowTransitionContextDTO
 {
     /**