[Ivan] - Validations - Implement decorator pattern [skip ci]

server/libs/validators/EmailValidator.php

@@ -4,7 +4,9 @@ require_once 'Validator.php';
 class EmailValidator extends Validator {
 
     public function validate($value, $fullData) {
-        if(strpos($value, '@') === false) {
+        parent::validate($value, $fullData);
+
+        if (strpos($value, '@') === false) {
             Validator::throwException();
         }
     }

server/libs/validators/PasswordValidator.php

@@ -3,7 +3,7 @@ require_once 'Validator.php';
 
 class PasswordValidator extends Validator {
 
-    public function validate($value, $fullData) {
-
+    public function validate($value, $fullData = []) {
+        parent::validate($value, $fullData);
     }
 }

server/libs/validators/Validator.php

@@ -6,9 +6,15 @@ class Validator {
         throw new ValidationException($message);
     }
 
-    public function validate($value) {
-        if (!$value) {
-            throw new ValidationException();
+    protected $baseValidator;
+
+    public function __construct(Validator $baseValidator = null) {
+        $this->baseValidator = $baseValidator;
+    }
+
+    public function validate($value, $fullData = []) {
+        if ($this->baseValidator) {
+            $this->baseValidator->validate($value, $fullData);
         }
     }
 }