create validator and tests

Validator/Constraints/BirthdateValidator.php

@@ -0,0 +1,70 @@
+<?php
+
+/*
+ * Copyright (C) 2015 Julien Fastré <julien.fastre@champs-libres.coop>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+namespace Chill\PersonBundle\Validator\Constraints;
+
+use Symfony\Component\Validator\Constraint;
+use Symfony\Component\Validator\ConstraintValidator;
+
+/**
+ * 
+ *
+ * @author Julien Fastré <julien.fastre@champs-libres.coop>
+ */
+class BirthdateValidator extends ConstraintValidator
+{
+    private $interval_spec = null;
+    
+    public function __construct($interval_spec = null)
+    {
+        $this->interval_spec = $interval_spec;
+    }
+    
+    public function validate($value, Constraint $constraint)
+    {
+        if (!$value instanceof \DateTime) {
+            throw new \LogicException('The input should a be a \DateTime interface,'
+                    . (is_object($value) ? get_class($value) : gettype($value)));
+        }
+        
+        $limitDate = $this->getLimitDate();
+        
+        if ($limitDate < $value) {
+            $this->context->buildViolation($constraint->message)
+                ->setParameter('%date%', $value->format(\DateTime::ATOM))
+                ->addViolation();
+        }
+        
+    }
+    
+    /**
+     * 
+     * @return \DateTime
+     */
+    private function getLimitDate()
+    {
+        if ($this->interval_spec !== NULL) {
+            $interval = new \DateInterval($this->interval_spec);
+            return (new \DateTime('now'))->sub($interval);
+        } else {
+            return (new \DateTime('now'));
+        }
+    }
+
+}