app/Filament/Resources/LineResource.php

@@ -5,6 +5,7 @@ namespace App\Filament\Resources;
 use App\Filament\Exports\LineExporter;
 use App\Filament\Imports\LineImporter;
 use App\Filament\Resources\LineResource\Pages;
+use App\Models\Block;
 use App\Models\Line;
 use App\Models\Plant;
 use App\Models\WorkGroupMaster;
@@ -71,6 +72,38 @@ class LineResource extends Resource
                             ])
                             ->hint(fn ($get) => $get('lPlantError') ? $get('lPlantError') : null)
                             ->hintColor('danger'),
+                        Forms\Components\Select::make('block_id')
+                            ->label('Block')
+                            ->relationship('block', 'name')
+                            ->required()
+                            // ->nullable(),
+                            ->reactive()
+                            ->options(function (callable $get) {
+                                if (! $get('plant_id')) {
+                                    return [];
+                                }
+
+                                return Block::where('plant_id', $get('plant_id'))
+                                    ->pluck('name', 'id')
+                                    ->toArray();
+                            })
+                            ->default(function () {
+                                return optional(Block::latest()->first())->plant_id;
+                            })
+                            ->afterStateUpdated(function ($state, callable $set, callable $get) {
+                                $blockId = $get('block_id');
+                                if (! $blockId) {
+                                    $set('lblockError', 'Please select a Block first.');
+                                    return;
+                                } else {
+                                    $set('lblockError', null);
+                                }
+                            })
+                            ->extraAttributes(fn ($get) => [
+                                'class' => $get('lblockError') ? 'border-red-500' : '',
+                            ])
+                            ->hint(fn ($get) => $get('lblockError') ? $get('lblockError') : null)
+                            ->hintColor('danger'),
                         Forms\Components\TextInput::make('name')
                             ->required()
                             ->placeholder('Scan the valid name')
@@ -1012,6 +1045,11 @@ class LineResource extends Resource
                     ->alignCenter()
                     ->sortable()
                     ->searchable(),
+                Tables\Columns\TextColumn::make('block.name')
+                    ->label('Block')
+                    ->alignCenter()
+                    ->sortable()
+                    ->searchable(),
                 Tables\Columns\TextColumn::make('name')
                     ->label('Line')
                     ->alignCenter()