strprfcrm/database/factories/ContractFactory.php

<?php

namespace Database\Factories;

use App\Models\Contract;
use Illuminate\Database\Eloquent\Factories\Factory;

/**
 * @extends Factory<Contract>
 */
class ContractFactory extends Factory
{
    protected $model = Contract::class;

    public function definition(): array
    {
        return [
            'year' => (int) date('Y'),
            'contract_number' => fake()->unique()->bothify('CONTRACT-####-??'),
            'contract_date' => fake()->dateTimeBetween('-1 year', 'now')->format('Y-m-d'),
        ];
    }

    public function forYear(int $year): static
    {
        return $this->state(fn (array $attributes) => [
            'year' => $year,
        ]);
    }
}