modified logic for mfm meter resource file

app/Filament/Resources/MfmMeterResource.php

@@ -2,8 +2,11 @@
 
 namespace App\Filament\Resources;
 
+use App\Filament\Exports\MfmMeterExporter;
+use App\Filament\Imports\MfmMeterImporter;
 use App\Filament\Resources\MfmMeterResource\Pages;
 use App\Filament\Resources\MfmMeterResource\RelationManagers;
+use App\Models\DeviceMaster;
 use App\Models\MfmMeter;
 use Filament\Facades\Filament;
 use Filament\Forms;
@@ -14,6 +17,8 @@ use Filament\Tables\Table;
 use Illuminate\Database\Eloquent\Builder;
 use Illuminate\Database\Eloquent\SoftDeletingScope;
 use Filament\Forms\Components\Section;
+use Filament\Tables\Actions\ImportAction;
+use Filament\Tables\Actions\ExportAction;
 
 class MfmMeterResource extends Resource
 {
@@ -32,6 +37,18 @@ class MfmMeterResource extends Resource
                     Forms\Components\Select::make('plant_id')
                         ->relationship('plant', 'name')
                         ->label('Plant')
+                        ->reactive()
+                        ->required(),
+                    Forms\Components\Select::make('device_master_id')
+                        //->relationship('device', 'name')
+                        ->options(function ($get) {
+                            $plantId = $get('plant_id');
+                            if (!$plantId) {
+                                return [];
+                            }
+                            return DeviceMaster::where('plant_id', $plantId)->pluck('name', 'id');
+                        })
+                        ->label('Device Name')
                         ->required(),
                     Forms\Components\TextInput::make('sequence')
                         ->required(),
@@ -56,6 +73,9 @@ class MfmMeterResource extends Resource
                 Tables\Columns\TextColumn::make('plant.name')
                     ->label('Plant')
                     ->sortable(),
+                Tables\Columns\TextColumn::make('devicemaster.name')
+                    ->label('Device Name')
+                    ->sortable(),
                 Tables\Columns\TextColumn::make('sequence')
                     ->label('Sequence')
                     ->sortable(),
@@ -91,6 +111,18 @@ class MfmMeterResource extends Resource
                     Tables\Actions\ForceDeleteBulkAction::make(),
                     Tables\Actions\RestoreBulkAction::make(),
                 ]),
+            ])
+             ->headerActions([
+                ImportAction::make()
+                    ->importer(MfmMeterImporter::class)
+                    ->visible(function() {
+                        return Filament::auth()->user()->can('view import mfm meter');
+                    }),
+                ExportAction::make()
+                    ->exporter(MfmMeterExporter::class)
+                    ->visible(function() {
+                        return Filament::auth()->user()->can('view export mfm meter');
+                    }),
             ]);
     }