Initial commit

app/Http/Controllers/Admin/CategoryController.php

@@ -0,0 +1,94 @@
+<?php
+
+namespace App\Http\Controllers\Admin;
+
+use App\Http\Controllers\Controller;
+use App\Models\Category;
+use Illuminate\Http\Request;
+use Illuminate\Support\Str;
+use Illuminate\Validation\Rule;
+
+class CategoryController extends Controller
+{
+    public function index()
+    {
+        return view('admin.categories.index', [
+            'categories' => Category::query()->latest('id')->paginate(20),
+        ]);
+    }
+
+    public function create()
+    {
+        return view('admin.categories.create');
+    }
+
+    public function store(Request $request)
+    {
+        $data = $this->validateCategory($request);
+        $data['slug'] = $this->makeUniqueSlug($data['slug'] ?: $data['name']);
+        Category::create($data);
+
+        return redirect()->route('admin.categories.index')->with('status', 'Категория создана.');
+    }
+
+    public function edit(Category $category)
+    {
+        return view('admin.categories.edit', [
+            'category' => $category,
+        ]);
+    }
+
+    public function update(Request $request, Category $category)
+    {
+        $data = $this->validateCategory($request, $category);
+        $data['slug'] = $this->makeUniqueSlug($data['slug'] ?: $data['name'], $category->id);
+        $category->update($data);
+
+        return redirect()->route('admin.categories.index')->with('status', 'Категория обновлена.');
+    }
+
+    public function destroy(Category $category)
+    {
+        $category->delete();
+
+        return redirect()->route('admin.categories.index')->with('status', 'Категория удалена.');
+    }
+
+    private function validateCategory(Request $request, ?Category $category = null): array
+    {
+        return $request->validate([
+            'name' => ['required', 'string', 'max:255'],
+            'slug' => [
+                'nullable',
+                'string',
+                'max:255',
+                Rule::unique('categories', 'slug')->ignore($category?->id),
+            ],
+            'description' => ['nullable', 'string'],
+            'is_active' => ['nullable', 'boolean'],
+        ]) + ['is_active' => $request->boolean('is_active')];
+    }
+
+    private function makeUniqueSlug(string $value, ?int $ignoreId = null): string
+    {
+        $base = Str::slug($value);
+        if ($base === '') {
+            $base = 'category';
+        }
+
+        $slug = $base;
+        $index = 2;
+
+        while (
+            Category::query()
+                ->where('slug', $slug)
+                ->when($ignoreId, fn ($query) => $query->whereKeyNot($ignoreId))
+                ->exists()
+        ) {
+            $slug = "{$base}-{$index}";
+            $index++;
+        }
+
+        return $slug;
+    }
+}