Erster Upload

app/Http/Controllers/Api/LotController.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace App\Http\Controllers\Api;
+
+use App\Http\Controllers\Controller;
+use App\Http\Resources\LotResource;
+use App\Models\Batch;
+use Illuminate\Http\JsonResponse;
+
+class LotController extends Controller
+{
+    public function show(string $lotNumber): LotResource|JsonResponse
+    {
+        $batch = Batch::with([
+            'product',
+            'recipe.spices',
+            'origins.spice',
+            'origins.supplier',
+        ])->where('lot_number', $lotNumber)->first();
+
+        if (! $batch) {
+            return response()->json(['error' => 'LOT-Nummer nicht gefunden.'], 404);
+        }
+
+        return new LotResource($batch);
+    }
+}

app/Http/Controllers/Controller.php

@@ -0,0 +1,8 @@
+<?php
+
+namespace App\Http\Controllers;
+
+abstract class Controller
+{
+    //
+}

app/Http/Resources/LotResource.php

@@ -0,0 +1,39 @@
+<?php
+
+namespace App\Http\Resources;
+
+use Illuminate\Http\Request;
+use Illuminate\Http\Resources\Json\JsonResource;
+
+class LotResource extends JsonResource
+{
+    public function toArray(Request $request): array
+    {
+        return [
+            'lot_number'  => $this->lot_number,
+            'produced_at' => $this->produced_at?->toDateString(),
+            'expires_at'  => $this->expires_at?->toDateString(),
+            'product' => [
+                'name'        => $this->product->title,
+                'description' => $this->product->description,
+            ],
+            'recipe' => [
+                'name' => $this->recipe->name,
+            ],
+            'spices' => $this->recipe->spices->map(function ($spice) {
+                $origin = $this->origins->firstWhere('spice_id', $spice->id);
+
+                return [
+                    'name'       => $spice->name,
+                    'percentage' => (float) $spice->pivot->amount_in_percent,
+                    'origin'     => $origin ? [
+                        'country'  => $origin->origin_country,
+                        'farmer'   => $origin->farmer,
+                        'supplier' => $origin->supplier?->name,
+                        'notes'    => $origin->notes,
+                    ] : null,
+                ];
+            })->values(),
+        ];
+    }
+}