taktik - laravel

app/Services/Category/CategoryService.php

@@ -0,0 +1,70 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Services\Category;
+
+use App\Models\Category;
+use App\Services\PaginableResource;
+use App\Services\QueryRequestModifiers\Category\CategoryFilter;
+use App\Services\QueryRequestModifiers\Category\CategoryFilterDTO;
+use App\Services\QueryRequestModifiers\Category\CategoryOrder;
+use App\Services\QueryRequestModifiers\Category\CategoryOrderDTO;
+
+class CategoryService implements CategoryServiceInterface
+{
+    public function __construct(
+        protected readonly CategoryFilter $categoryFilter,
+        protected readonly CategoryOrder $categoryOrder,
+        protected readonly int $paginate = 10,
+    ) {
+    }
+
+    public function fetchCategories(int $page, ?CategoryFilterDTO $filters, ?CategoryOrderDTO $orderDef): PaginableResource
+    {
+        $categories = $this->categoryFilter->apply(
+            $this->categoryOrder->apply(Category::query(), $orderDef),
+            $filters
+        )->paginate($this->paginate);
+        return PaginableResource::createFromLengthAwarePaginator($categories);
+    }
+
+    public function findCategory(int $id): ?Category
+    {
+        return Category::find($id);
+    }
+
+    public function storeCategory(array $data): Category
+    {
+        $category = Category::create($data);
+        return Category::findOrFail($category->id);
+    }
+
+    public function updateCategory(array $data, int $id): ?Category
+    {
+        $category = Category::find($id);
+
+        if ($category === null) {
+            return null;
+        }
+
+        $category->update($data);
+        return Category::findOrFail($id);
+    }
+
+    public function deleteCategory(int $id): bool
+    {
+        $category = Category::find($id);
+
+        if ($category === null) {
+            return false;
+        }
+
+        if ($category->posts()->count() > 0) {
+            // TODO: return code
+            return false;
+        }
+
+        return $category->delete();
+    }
+}

app/Services/Category/CategoryServiceInterface.php

@@ -0,0 +1,33 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Services\Category;
+
+use App\Models\Category;
+use App\Services\PaginableResource;
+use App\Services\QueryRequestModifiers\Category\CategoryFilterDTO;
+use App\Services\QueryRequestModifiers\Category\CategoryOrderDTO;
+
+interface CategoryServiceInterface
+{
+    /**
+     * @return PaginableResource<Category>
+     */
+    public function fetchCategories(int $page, ?CategoryFilterDTO $filters, ?CategoryOrderDTO $orderDef): PaginableResource;
+
+    public function findCategory(int $id): ?Category;
+
+    /**
+     * @param array<string, mixed> $data
+     * @return Category
+     */
+    public function storeCategory(array $data): Category;
+
+    /**
+     * @param array<string, mixed> $data
+     */
+    public function updateCategory(array $data, int $id): ?Category;
+
+    public function deleteCategory(int $id): bool;
+}