Ajoute la vue d'erreur et un validateur

src/Silex/Validation/UserValidation.php

@@ -0,0 +1,41 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Silex\Validation;
+
+final class UserValidation
+{
+    public static function isValidLogin(array &$post, array &$errors): bool
+    {
+        if(empty($post['login'])) {
+            $errors[] = 'Login error';
+        }
+
+        if(empty($post['password'])) {
+            $errors[] = 'Password error';
+        }
+        return empty($errors);
+    }
+
+    public static function isValidUser(array &$post, array &$errors): bool
+    {
+        if(empty($post['login'])) {
+            $errors[] = 'Login empty error';
+        }
+
+        if(empty($post['password'])) {
+            $errors[] = 'Password empty error';
+        }
+
+        if(empty($post['password-confirmation'])) {
+            $errors[] = 'Password confirmation empty error';
+        }
+
+        if($post['password'] !== $post['password-confirmation']){
+            $errors[] = 'Password confirmation not matching error';
+        }
+
+        return empty($errors);
+    }
+}