download not working for table in livewire

directorycomponent.php

<?php

namespace App\Livewire;

use App\Models\Directory;
use App\Models\Document;
use App\Services\DownloadService;
use Filament\Forms\Concerns\InteractsWithForms;
use Filament\Forms\Contracts\HasForms;
use Filament\Support\Enums\Alignment;
use Filament\Tables\Actions\Action;
use Filament\Tables\Columns\Summarizers\Sum;
use Filament\Tables\Columns\TextColumn;
use Filament\Tables\Concerns\InteractsWithTable;
use Filament\Tables\Contracts\HasTable;
use Filament\Tables\Table;
use Illuminate\Database\Eloquent\Relations\HasMany;
use Illuminate\Support\Facades\Storage;
use Livewire\Attributes\Locked;
use Livewire\Component;
use Filament\Tables\Actions\BulkAction;

class DirectoryFilesList extends Component implements HasForms, HasTable
{
    use InteractsWithTable;
    use InteractsWithForms;

    public $directory;

    public $showDownloadButton = false;

    public $documents = [];
    #[Locked]
    public $directory_id;

    public function mount(Directory $directory)
    {
        $this->directory = $directory;
        $this->directory_id = $directory->id;
        $this->documents = $directory->documents;
    }

    public function table(Table $table): Table
    {
        return $table
            ->relationship(fn(): HasMany => $this->directory->documents())
            ->columns([
                TextColumn::make('index')
                    ->label('Lp.')
                    ->rowIndex(),
                TextColumn::make('description')
                    ->searchable()
                    ->sortable()
                    ->label('Opis'),
                TextColumn::make('attachment_original_name')
                    ->searchable()
                    ->sortable()
                    ->label('Nazwa pliku'),
                TextColumn::make('created_at')
                    ->since()
                    ->sortable()
                    ->label('Data dodania'),
                TextColumn::make('attachment_size')
                    ->label('rozmiar pliku')
                    ->formatStateUsing(fn(string $state): string => round($state / 1024, 2) . " kB")
                    ->alignEnd(),


            ])
            ->headerActions([
                Action::make('dodaj nowy plik do katalogu')
                    ->icon('heroicon-s-plus')
                    ->color('primary')
                    ->hidden(fn() => $this->directory->is_locked)
                    ->action(fn() => $this->redirect(route('upload', ['directory' => $this->directory]))),
            ])
            ->actions([
                Action::make('pobierz')
                    ->icon('heroicon-s-arrow-down-tray')
                    ->action(fn(Document $document) => $document->download()),
                Action::make('pobierz zip')
                    ->icon('heroicon-s-arrow-down-tray')
                    ->action(fn(Document $document) => $this->download()),
                Action::make('usuń')
                    ->requiresConfirmation()
                    ->color('danger')
                    ->icon('heroicon-s-trash')
                    ->visible(fn(Document $document) => !$this->directory->is_locked)
                    ->action(fn($record) => $record->delete())
            ])
            ->bulkActions([
                BulkAction::make('usuń zaznaczone')
                    ->requiresConfirmation()
                    ->action(fn($records) => $records->each->delete())
                    ->deselectRecordsAfterCompletion()
                    ->visible(fn() => !$this->directory->is_locked)
                    ->color('danger'),
                BulkAction::make('pobierz zaznaczone')
                    ->action(function ($records) {
                        ray($records);
                        $this->ZipFiles($records);
                    })
                    ->deselectRecordsAfterCompletion()
                    ->color('success'),
            ]);
    }

    protected function ZipFiles($records)
    {
        $zip = new \ZipArchive();
        $zipFileName = storage_path('app\\private\\') . 'pliki2.zip';
        $zip->open($zipFileName, \ZipArchive::CREATE | \ZipArchive::OVERWRITE);

        foreach ($records as $record) {
            $zip->addFile(storage_path('app\\private\\' . $record->attachment), $record->attachment_original_name);
        }
        $zip->close();
        $this->showDownloadButton= true;
        return $this->download();

    }

    public function download()
    {
        ray('download');
        if (Storage::disk('private')->exists('pliki2.zip')) {
            return Storage::disk('private')->download('pliki2.zip', 'pliki2.zip');
        }
    }
    public function render()
    {
        return view('livewire.directory-files-list');
    }
}