init commit

api/app/Http/Middleware/Customer.php

@@ -0,0 +1,28 @@
+<?php
+
+namespace App\Http\Middleware;
+
+use Closure;
+use Illuminate\Http\Request;
+use Illuminate\Http\Response;
+
+class Customer
+{
+    /**
+     * Handle an incoming request.
+     *
+     * @param  \Illuminate\Http\Request  $request
+     * @param  \Closure  $next
+     * @return mixed
+     */
+    public function handle(Request $request, Closure $next)
+    {
+        $customer = $request->header('customer');
+
+        if (is_null($customer)) {
+            return response()->json(['error' => 'O cliente deve ser informado.'], Response::HTTP_BAD_REQUEST);
+        }
+
+        return $next($request);
+    }
+}