Refactor plant selection options across multiple resources to display plants based on the authenticated user's plant ID, ensuring users only see relevant options.

app/Filament/Resources/TestingPanelReadingResource.php

@@ -3,6 +3,7 @@
 namespace App\Filament\Resources;
 
 use AlperenErsoy\FilamentExport\Actions\FilamentExportBulkAction;
+use App\Exports\TestingPanelReadingExport;
 use App\Filament\Exports\TestingPanelReadingExporter;
 use App\Filament\Imports\TestingPanelReadingImporter;
 use App\Filament\Resources\TestingPanelReadingResource\Pages;
@@ -14,6 +15,7 @@ use App\Models\MotorTestingMaster;
 use App\Models\Plant;
 use App\Models\TestingPanelReading;
 use Barryvdh\DomPDF\Facade\Pdf;
+// use Barryvdh\Reflection\DocBlock\Type\Collection;
 use Filament\Facades\Filament;
 use Filament\Forms;
 use Filament\Forms\Components\DateTimePicker;
@@ -21,6 +23,7 @@ use Filament\Forms\Components\Select;
 use Filament\Forms\Components\TextInput;
 use Filament\Forms\Form;
 use Filament\Forms\Get;
+use Filament\Notifications\Collection as NotificationsCollection;
 use Filament\Resources\Resource;
 use Filament\Tables;
 use Filament\Tables\Actions\BulkAction;
@@ -30,6 +33,9 @@ use Illuminate\Database\Eloquent\SoftDeletingScope;
 use Filament\Tables\Actions\ImportAction;
 use Filament\Tables\Actions\ExportAction;
 use Filament\Tables\Filters\Filter;
+use Maatwebsite\Excel\Facades\Excel;
+use Filament\Tables\Actions\Action;
+use Illuminate\Support\Collection;
 
 class TestingPanelReadingResource extends Resource
 {
@@ -50,7 +56,10 @@ class TestingPanelReadingResource extends Resource
                     ->relationship('plant', 'name')
                     ->required()
                     ->reactive()
-                    // When plant changes, reset the dependent fields
+                    ->options(function (callable $get) {
+                        $userHas = Filament::auth()->user()->plant_id;
+                        return ($userHas && strlen($userHas) > 0) ? Plant::where('id', $userHas)->pluck('name', 'id')->toArray() : Plant::pluck('name', 'id')->toArray();
+                    })
                     ->default(function () {
                         return optional(TestingPanelReading::latest()->first())->plant_id;
                     })
@@ -1084,6 +1093,25 @@ class TestingPanelReadingResource extends Resource
                         })
                         ->icon('heroicon-o-document-arrow-down'),
                 ]),
+                BulkAction::make('export')
+                ->label('Export Selected')
+                ->action(function (Collection $records) {
+                    // $records contains only selected rows
+                    $ids = $records->pluck('No.')->toArray();
+
+                    return Excel::download(
+                        new TestingPanelReadingExport($ids),
+                        'selected_testing_panel_readings.csv'
+                    );
+                }),
+                // ExportAction::make()
+                //     ->label('Export Readings')
+                //     ->queued() // ✅ runs in queue
+                //     ->exports([
+                //         TestingPanelReadingExport::class,
+                //     ])
+                //     ->fileName('testing_panel_readings.csv')
+                //     ->format(Excel::CSV), // ✅ faster than Excel for 45k+ rows
 
             ])
             ->headerActions([
@@ -1097,6 +1125,11 @@ class TestingPanelReadingResource extends Resource
                     ->visible(function() {
                         return Filament::auth()->user()->can('view export testing panel reading');
                     }),
+                //  Action::make('export')
+                // ->label('Export Readings')
+                // ->action(function () {
+                //     return Excel::download(new TestingPanelReadingExport, 'testing_panel_readings.csv');
+                // }),
             ]);
     }