first change

Modules/CCMS/app/Services/CategoryService.php

@@ -0,0 +1,49 @@
+<?php
+
+namespace Modules\CCMS\Services;
+
+use Illuminate\Support\Facades\DB;
+use Modules\CCMS\Models\Category;
+
+class CategoryService
+{
+
+    public function getAllCategories()
+    {
+        $query = Category::query();
+        return $query->get();
+    }
+
+    public function storeCategory(array $categoryData): Category
+    {
+        return DB::transaction(function () use ($categoryData) {
+            $category = Category::create($categoryData);
+
+            return $category;
+        });
+    }
+
+    public function getCategoryById(int $id)
+    {
+        return Category::findOrFail($id);
+    }
+
+    public function updateCategory(int $id, array $categoryData)
+    {
+        $category = $this->getCategoryById($id);
+
+        return DB::transaction(function () use ($category, $categoryData) {
+            $category->update($categoryData);
+            return $category;
+        });
+    }
+
+    public function deleteCategory(int $id)
+    {
+        return DB::transaction(function () use ($id) {
+            $category = $this->getCategoryById($id);
+            $category->delete();
+            return true;
+        });
+    }
+}