sfp_api_laravel_ginastica_cerebro/app/Services/UnitContractService.php

<?php

namespace App\Services;

use App\Models\UnitContract;
use Illuminate\Database\Eloquent\Collection;
use Illuminate\Support\Facades\Storage;

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

    public function create(array $data): UnitContract
    {
        $file    = $data['file'];
        $name    = !empty($data['name']) ? $data['name'] : $file->getClientOriginalName();
        $fileUrl = $file->store('unit-contracts');

        return UnitContract::create([
            'unit_id'  => $data['unit_id'],
            'name'     => $name,
            'file_url' => $fileUrl,
        ]);
    }

    public function delete(int $id): bool
    {
        $model = UnitContract::find($id);

        if (!$model) {
            return false;
        }

        Storage::delete($model->file_url);

        return $model->delete();
    }
}