Agrega Productos y sus recetas

backend/app/Exceptions/AlreadyExistsException.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace App\Exceptions;
+
+use Exception;
+
+class AlreadyExistsException extends Exception {
+
+    protected $model;
+
+    public function __construct($model) {
+        $this->model = $model;
+    }
+
+    public function render($request) {
+        return response()->json([
+            'error' => 'already_exists',
+            'message' => 'Ya existe la ' . $this->model
+        ], 400);
+    }
+}