初始化

app/Http/Controllers/ProductController.php

@@ -0,0 +1,42 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use App\Models\Category;
+use App\Models\Product;
+use Illuminate\Http\Request;
+use Illuminate\View\View;
+
+class ProductController extends Controller
+{
+    public function index(Request $request): View
+    {
+        $categoryId = $request->query('category');
+        $q = trim((string) $request->query('q', ''));
+
+        $categories = Category::ofType('product')->orderBy('sort')->orderBy('name')->get();
+
+        $products = Product::published()
+            ->when($categoryId, fn ($query) => $query->where('category_id', $categoryId))
+            ->when($q, function ($query) use ($q) {
+                $query->where(function ($sub) use ($q) {
+                    $sub->where('name', 'like', "%{$q}%")
+                        ->orWhere('model', 'like', "%{$q}%")
+                        ->orWhere('summary', 'like', "%{$q}%");
+                });
+            })
+            ->paginate(12)
+            ->withQueryString();
+
+        return view('products.index', compact('products', 'categories', 'q', 'categoryId'));
+    }
+
+    public function show(Product $product): View
+    {
+        if ($product->status !== 'published') {
+            abort(404);
+        }
+
+        return view('products.show', compact('product'));
+    }
+}