animethemes-server/app/Filament/Actions/Base/DetachAction.php

<?php

declare(strict_types=1);

namespace App\Filament\Actions\Base;

use App\Filament\RelationManagers\BaseRelationManager;
use App\Filament\Resources\Base\BaseListResources;
use App\Filament\Resources\Base\BaseManageResources;
use App\Filament\Resources\Base\BaseViewResource;
use Filament\Actions\DetachAction as BaseDetachAction;
use Illuminate\Database\Eloquent\Relations\BelongsToMany;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\Gate;
use Illuminate\Support\Str;

class DetachAction extends BaseDetachAction
{
    protected function setUp(): void
    {
        parent::setUp();

        $this->label(__('filament.actions.base.detach'));

        $this->visible(function (BaseManageResources|BaseViewResource|BaseListResources|BaseRelationManager $livewire): bool {
            if (! ($livewire instanceof BaseRelationManager)) {
                return false;
            }

            return $livewire->getRelationship() instanceof BelongsToMany;
        });

        $this->before(function ($livewire): void {
            $ownerRecord = $livewire->getOwnerRecord();

            $model = Str::studly(class_basename($livewire->getTable()->getModel()));

            $detachAny = Str::of('detachAny')
                ->append($model)
                ->__toString();

            $detach = Str::of('detach')
                ->append($model)
                ->__toString();

            abort_unless(
                Gate::forUser(Auth::user())->any([$detachAny, $detach], [$ownerRecord::class, $this->getRecord()]),
                403
            );
        });

        $this->authorize(true);
    }
}