FilamentF
Filament•3y ago
marianov24

Relation Manager Resource with pivot - Custom Attach

Hi guys, i create a Relation Manager Resource with pivot. Information:
-> Invoice -> it's the Main Resource
-> Performance -> it's the Relation Manager Resource
-> they have Many to Many relationship.
-> it's work, but i need make a change.
  • I have Product table that has Many Performance, So i need on the popup show a Select for Products, when products Select filter the Performance : 
    ->headerActions([
              AttachAction::make()->label('Agregar')
              ->form(fn (AttachAction $action): array => [
                  //$action->getRecordSelect(),
                  
                  Forms\Components\Select::make('product_id')
                      ->relationship('product','external_name')
                      ->afterStateUpdated(fn (callable $set) => $set ('start',null))
                      ->reactive()
                      ->searchable()->required(),
                  Forms\Components\Select::make('start')
                      ->options(function (callable $get){
                                          
                          $product = Product::find($get('product_id'));
                          if (!$product)
                          {
                              return [];
                          }
                          return $product->performances()->pluck('start','id');
                      })->required()
                      
              ]),
          ])

    The form works but when a click on Attach i got an error:
    Undefined array key "recordId"

    I imagine that to solve this I should use:
     Relation Manager Resource with pivot - Custome Attach

    But I do not know how to do it
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