feat: refactor callback validators to dedicated class

src/Form/Model/ParticipantData.php

@@ -5,9 +5,10 @@ namespace App\Form\Model;
 use App\BusProNet\Model\PersonalData;
 use App\BusProNet\Model\Pickup;
 use App\BusProNet\Model\Service;
+use App\Validator\Constraints as AppAssert;
 use Symfony\Component\Validator\Constraints as Assert;
-use Symfony\Component\Validator\Context\ExecutionContextInterface;
 
+#[AppAssert\Participant]
 class ParticipantData
 {
     public ?int $index = null;
@@ -44,74 +45,6 @@ class ParticipantData
     public ?Service $transportationServiceFro = null;
     public ?Pickup $pickup = null;
 
-    #[Assert\Callback]
-    public function assertBodyMeasurementsValid(ExecutionContextInterface $context): void
-    {
-        if (0 === count($this->rentals)) {
-            return;
-        }
-
-        if (empty($this->height)) {
-            $context->buildViolation('Bitte angeben wegen Leihmaterial')
-                ->atPath('height')
-                ->addViolation()
-            ;
-        }
-
-        if (empty($this->shoeSize)) {
-            $context->buildViolation('Bitte angeben wegen Leihmaterial')
-                ->atPath('shoeSize')
-                ->addViolation()
-            ;
-        }
-
-        if (empty($this->weight)) {
-            $context->buildViolation('Bitte angeben wegen Leihmaterial')
-                ->atPath('weight')
-                ->addViolation()
-            ;
-        }
-    }
-
-    #[Assert\Callback]
-    public function assertTransportationSelected(ExecutionContextInterface $context): void
-    {
-        if ('S' === $this->status) {
-            return;
-        }
-
-        if (null === $this->transportationServiceTo) {
-            $context->buildViolation('Bitte angeben')
-                ->atPath('transportationServiceTo')
-                ->addViolation()
-            ;
-        }
-
-        if (null === $this->transportationServiceFro) {
-            $context->buildViolation('Bitte angeben')
-                ->atPath('transportationServiceFro')
-                ->addViolation()
-            ;
-        }
-    }
-
-    #[Assert\Callback]
-    public function assertPickupSelected(ExecutionContextInterface $context): void
-    {
-        $transportationServiceTo = $this->transportationServiceTo;
-
-        if (
-            null !== $transportationServiceTo
-            && 'BUS' === $transportationServiceTo->subType
-            && null === $this->pickup
-        ) {
-            $context->buildViolation('Bitte auswählen')
-                ->atPath('pickup')
-                ->addViolation()
-            ;
-        }
-    }
-
     public static function fromPersonalData(PersonalData $personalData): static
     {
         $instance = new static();
@@ -133,4 +66,14 @@ class ParticipantData
 
         return $instance;
     }
+
+    public function isCanceled(): bool
+    {
+        return 'S' === $this->status;
+    }
+
+    public function isOption(): bool
+    {
+        return 'O' === $this->status;
+    }
 }

src/Validator/Constraints/Booking.php

@@ -7,7 +7,7 @@ use Symfony\Component\Validator\Constraint;
 #[\Attribute]
 class Booking extends Constraint
 {
-    public string $message = 'WTF?';
+    public string $message = 'Bitte prüfe deine Angaben.';
 
     public function getTargets(): array|string
     {

src/Validator/Constraints/Participant.php

@@ -0,0 +1,14 @@
+<?php
+
+namespace App\Validator\Constraints;
+
+use Symfony\Component\Validator\Constraint;
+
+#[\Attribute]
+class Participant extends Constraint
+{
+    public function getTargets(): array|string
+    {
+        return static::CLASS_CONSTRAINT;
+    }
+}

src/Validator/Constraints/ParticipantValidator.php

@@ -0,0 +1,67 @@
+<?php
+
+namespace App\Validator\Constraints;
+
+use App\Form\Model\ParticipantData;
+use Symfony\Component\Validator\Constraint;
+use Symfony\Component\Validator\ConstraintValidator;
+
+class ParticipantValidator extends ConstraintValidator
+{
+    public function validate(mixed $value, Constraint $constraint): void
+    {
+        /** @var ParticipantData $participant */
+        $participant = $value;
+
+        $this->assertBodyMeasurementsValid($participant);
+        $this->assertTransportationSelected($participant);
+        $this->assertPickupSelected($participant);
+    }
+
+    public function assertBodyMeasurementsValid(ParticipantData $participant): void
+    {
+        if (0 === count($participant->rentals)) {
+            return;
+        }
+
+        foreach (['height', 'shoeSize', 'weight'] as $property) {
+            if (empty($participant->{$property})) {
+                $this->context->buildViolation('Bitte angeben wegen Leihmaterial')
+                    ->atPath($property)
+                    ->addViolation()
+                ;
+            }
+        }
+    }
+
+    public function assertTransportationSelected(ParticipantData $participant): void
+    {
+        // no transportation services required for canceled participants
+        if (true === $participant->isCanceled()) {
+            return;
+        }
+
+        foreach (['transportationServiceTo', 'transportationServiceFro'] as $property) {
+            if (null === $participant->{$property}) {
+                $this->context->buildViolation('Bitte angeben')
+                    ->atPath($property)
+                    ->addViolation()
+                ;
+            }
+        }
+    }
+
+    public function assertPickupSelected(ParticipantData $participant): void
+    {
+        if (
+            null !== $participant->transportationServiceTo
+            && 'BUS' === $participant->transportationServiceTo->subType
+            && null === $participant->pickup
+        ) {
+            $this->context->buildViolation('Bitte auswählen')
+                ->atPath('pickup')
+                ->addViolation()
+            ;
+        }
+    }
+}