<?php

namespace App\Filament\Resources\MyResource\TableActions;

use App\Enums\MyResourceState;
use Filament\Tables\Actions\BulkAction;
use Filament\Tables\Contracts\HasTable;
use Illuminate\Support\Arr;
use Illuminate\Support\Collection;

class ApproveBulkAction extends BulkAction
{
    public static function getDefaultName(): ?string
    {
        return 'approve-bulk-resource';
    }

    protected function setUp(): void
    {
        parent::setUp();

        $this->label('Approve')
            ->icon('heroicon-o-hand-thumb-up')
            ->visible($this->determineVisibility(...))
            ->action($this->approveAction(...));
    }

    private function determineVisibility(HasTable $livewire): bool
    {
        // get the state of the state filter
        $stateFilterState = $livewire->getTableFilterState('state') ?? [];

        // if the 'values' array key does not exist, return false (invisible)
        if (! array_key_exists('values', $stateFilterState)) {
            return false;
        }

        // get the state filter state values
        $values = $stateFilterState['values'];

        // if more/less than one are selected, return false (invisible)
        if (count($values) !== 1) {
            return false;
        }

        // return true (visible) if the 'pending' state filter is selected/enabled, false otherwise (invisible)
        return Arr::first($values) === MyResourceState::PENDING->value;
    }

    private function approveAction(Collection $records): void
    {
        $records->each->approve();
    }
}

<?php

namespace App\Filament\Resources\MyResource\TableActions;

use App\Enums\MyResourceState;
use Filament\Tables\Actions\BulkAction;
use Filament\Tables\Contracts\HasTable;
use Illuminate\Support\Arr;
use Illuminate\Support\Collection;

class ApproveBulkAction extends BulkAction
{
    public static function getDefaultName(): ?string
    {
        return 'approve-bulk-resource';
    }

    protected function setUp(): void
    {
        parent::setUp();

        $this->label('Approve')
            ->icon('heroicon-o-hand-thumb-up')
            ->visible($this->determineVisibility(...))
            ->action($this->approveAction(...));
    }

    private function determineVisibility(HasTable $livewire): bool
    {
        // get the state of the state filter
        $stateFilterState = $livewire->getTableFilterState('state') ?? [];

        // if the 'values' array key does not exist, return false (invisible)
        if (! array_key_exists('values', $stateFilterState)) {
            return false;
        }

        // get the state filter state values
        $values = $stateFilterState['values'];

        // if more/less than one are selected, return false (invisible)
        if (count($values) !== 1) {
            return false;
        }

        // return true (visible) if the 'pending' state filter is selected/enabled, false otherwise (invisible)
        return Arr::first($values) === MyResourceState::PENDING->value;
    }

    private function approveAction(Collection $records): void
    {
        $records->each->approve();
    }
}