sfp_api_laravel_ginastica_cerebro/app/Services/PermissionService.php

<?php

namespace App\Services;

use App\Models\Permission;
use Illuminate\Database\Eloquent\Collection;

class PermissionService
{
    public function getAll(): Collection
    {
        return Permission::orderBy("created_at", "desc")->get();
    }

    /**
     * Lista as permissões em ordem de árvore (pais antes dos filhos), com a profundidade,
     * para montar a matriz de permissões por perfil.
     */
    public function getTree(): Collection
    {
        return Permission::defaultOrder()->withDepth()->get();
    }

    public function findById(int $id): ?Permission
    {
        return Permission::find($id);
    }

    public function findByScope(string $scope): ?Permission
    {
        return Permission::where("scope", $scope)->first();
    }

    public function create(array $data): Permission
    {
        return Permission::create($data);
    }

    public function update(int $id, array $data): ?Permission
    {
        $model = $this->findById($id);

        if (!$model) {
            return null;
        }

        $model->update($data);
        return $model->fresh();
    }

    public function delete(int $id): bool
    {
        $model = $this->findById($id);

        if (!$model) {
            return false;
        }

        return $model->delete();
    }

    // Add custom business logic methods here
}