sfp_api_laravel_ginastica_cerebro/app/Services/UnitHistoryService.php

<?php

namespace App\Services;

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

class UnitHistoryService
{
    public function getByUnitId(int $unitId): Collection
    {
        return UnitHistory::where('unit_id', $unitId)
            ->orderBy('created_at', 'desc')
            ->get();
    }

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

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

    public function update(int $id, array $data): ?UnitHistory
    {
        $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();
    }
}