update use

app/Http/Controllers/AssignMaterialController.php

@@ -8,7 +8,7 @@ use App\Models\RequestMaterial;
 use App\Models\Activity;
 use App\Models\ReportActivityMaterial;
 use Illuminate\Support\Facades\DB;
-use Datatables;
+use Yajra\Datatables\Datatables;
 
 class AssignMaterialController extends Controller
 {
@@ -47,7 +47,11 @@ class AssignMaterialController extends Controller
 
 		if ($planDate >= $startDate) {
 			$result = AssignMaterial::create($data);
-			return response()->json(['status' => 'success', 'message' => 'Data added!', 'code' => 200], 200);
+            if($result) {
+                return response()->json(['status' => 'success', 'message' => 'Data added!', 'code' => 200], 200);
+            } else {
+                return response()->json(['status' => 'failed', 'message' => 'Failed to add data!', 'code' => 400], 400);
+            }
 		} else {
 			return response()->json(['status' => 'failed', 'message' => 'Failed to add data!', 'code' => 400], 400);
 		}

app/Http/Controllers/AssignToolsController.php

@@ -2,10 +2,9 @@
 
 namespace App\Http\Controllers;
 
+use App\Models\{AssignMaterial,AssignTools,ToolsResource};
 use Illuminate\Http\Request;
-use App\Models\AssignTools;
+use Yajra\Datatables\Datatables;
-use Datatables;
-use App\Models\ToolsResource;
 class AssignToolsController extends Controller
 {
     public function add(Request $request){

app/Http/Controllers/HolidayController.php

@@ -4,7 +4,7 @@ namespace App\Http\Controllers;
 
 use Illuminate\Http\Request;
 use App\Models\Holiday;
-use Datatables;
+use Yajra\Datatables\Datatables;
 
 class HolidayController extends Controller
 {

app/Http/Controllers/ReportActivityController.php

@@ -6,7 +6,7 @@ use Illuminate\Http\Request;
 use App\Models\ReportActivity;
 use App\Models\Activity;
 use App\Models\Image;
-use Datatables;
+use Yajra\Datatables\Datatables;
 
 class ReportActivityController extends Controller
 {

app/Http/Controllers/ReportActivityMaterialController.php

@@ -8,7 +8,7 @@ use Illuminate\Support\Facades\DB;
 use App\Models\ReportActivityMaterial;
 use App\Models\Activity;
 use App\Models\AssignMaterial;
-use Datatables;
+use Yajra\Datatables\Datatables;
 use DateTime;
 
 class ReportActivityMaterialController extends Controller

app/Http/Controllers/UserToActivityController.php

@@ -7,7 +7,7 @@ use App\Models\UserToActivity;
 use App\Models\Activity;
 use App\Models\AssignMaterial;
 use Illuminate\Support\Facades\DB;
-use Datatables;
+use Yajra\Datatables\Datatables;
 
 class UserToActivityController extends Controller
 {