new ProjectConstraint to add dynamic project validation (#2747)

src/Validator/Constraints/ProjectConstraint.php

@@ -0,0 +1,19 @@
+<?php
+
+/*
+ * This file is part of the Kimai time-tracking app.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace App\Validator\Constraints;
+
+use Symfony\Component\Validator\Constraint;
+
+/**
+ * Extend this class if you want to add dynamic project validation (eg. via a bundle).
+ */
+abstract class ProjectConstraint extends Constraint
+{
+}

src/Validator/Constraints/ProjectValidator.php

@@ -18,6 +18,19 @@ use Symfony\Component\Validator\Exception\UnexpectedTypeException;
 
 class ProjectValidator extends ConstraintValidator
 {
+    /**
+     * @var Constraint[]
+     */
+    private $constraints;
+
+    /**
+     * @param Constraint[] $constraints
+     */
+    public function __construct(iterable $constraints = [])
+    {
+        $this->constraints = $constraints;
+    }
+
     /**
      * @param Project|mixed $value
      * @param Constraint $constraint
@@ -33,6 +46,13 @@ class ProjectValidator extends ConstraintValidator
         }
 
         $this->validateProject($value, $this->context);
+
+        foreach ($this->constraints as $constraint) {
+            $this->context
+                ->getValidator()
+                ->inContext($this->context)
+                ->validate($value, $constraint, [Constraint::DEFAULT_GROUP]);
+        }
     }
 
     protected function validateProject(Project $project, ExecutionContextInterface $context)