feat: implement import and export functionality for product categories and products

app/Http/Controllers/admin/product/ProductController.php

@@ -2,14 +2,16 @@
 
 namespace App\Http\Controllers\admin\product;
 
+use App\Exports\ProductsExport;
+use App\Imports\ProductsImport;
 use App\Enums\Product\ProductTypeEnums;
 use App\Http\Controllers\Controller;
 use App\Http\Requests\Product\ProductRequest;
 use App\Http\Services\ProductService;
 use App\Repositories\Group\GroupRepositoryInterface;
 use App\Repositories\Admin\Product\ProductRepositoryInterface;
-
 use Illuminate\Http\Request;
+use Maatwebsite\Excel\Facades\Excel;
 use Yajra\DataTables\Facades\DataTables;
 use Exception;
 
@@ -222,4 +224,33 @@ class ProductController extends Controller
             default => 0
         };
     }
+
+    public function export(Request $request)
+    {
+        if ($request->get('sample') == 1) {
+            return Excel::download(new ProductsExport(), 'products_sample.xlsx');
+        }
+        return Excel::download(new ProductsExport(), 'products_' . date('Y-m-d') . '.xlsx');
+    }
+
+    public function import(Request $request)
+    {
+        $request->validate([
+            'file' => 'required|mimes:xlsx,xls,csv'
+        ]);
+
+        try {
+            Excel::import(new ProductsImport(), $request->file('file'));
+            return redirect()->route('products.index')->with('success', 'Import products successfully');
+        } catch (\Maatwebsite\Excel\Validators\ValidationException $e) {
+            $failures = $e->failures();
+            $errorMessage = 'Import failed at row(s): ';
+            foreach ($failures as $failure) {
+                $errorMessage .= $failure->row() . ' (' . implode(', ', $failure->errors()) . '); ';
+            }
+            return back()->withErrors($errorMessage);
+        } catch (\Exception $e) {
+            return back()->withErrors('Import failed: ' . $e->getMessage());
+        }
+    }
 }