Agrego archivos iniciales

app/Http/Controllers/PromoQrController.php

@@ -0,0 +1,52 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use App\Models\PromoQr;
+use Illuminate\Http\Request;
+use Illuminate\Support\Str;
+
+class PromoQrController extends Controller
+{
+    public function index()
+    {
+        $promoQrs = PromoQr::with('promocion')->get();
+        return response()->json($promoQrs);
+    }
+
+    public function show($id)
+    {
+        $promoQr = PromoQr::with('promocion', 'usuario')->findOrFail($id);
+        return response()->json($promoQr);
+    }
+
+    public function store(Request $request)
+    {
+        $data = $request->validate([
+            'id_promo' => 'required|integer|exists:promociones,id',
+            'id_usuario' => 'required|integer',
+            'tipo_usuario' => 'required|in:jugador,aficionado',
+        ]);
+        $data['id_qr'] = Str::uuid()->toString();
+        $promoQr = PromoQr::create($data);
+        return response()->json($promoQr, 201);
+    }
+
+    public function update(Request $request, $id)
+    {
+        $promoQr = PromoQr::findOrFail($id);
+        $data = $request->validate([
+            'usado' => 'nullable|boolean',
+            'usado_en' => 'nullable',
+        ]);
+        $promoQr->update($data);
+        return response()->json($promoQr);
+    }
+
+    public function destroy($id)
+    {
+        $promoQr = PromoQr::findOrFail($id);
+        $promoQr->delete();
+        return response()->json(null, 204);
+    }
+}