owl-admin/app/DTOs/CoachApplicationDTO.php

<?php
namespace App\DTOs;

class CoachApplicationDTO
{
    public function __construct(
        public readonly int $age,
        public readonly string $mobile,
        public readonly int $gender,
        public readonly string $workYears,
        public readonly string $intentionCity,
        public readonly array $lifePhotos,
        public readonly ?string $introduction = null,
    ) {}

    public static function fromRequest(array $data): self
    {
        return new self(
            age: $data['age'],
            mobile: $data['mobile'],
            gender: $data['gender'],
            workYears: $data['work_years'],
            intentionCity: $data['intention_city'],
            lifePhotos: $data['life_photos'],
            introduction: $data['introduction'] ?? null,
        );
    }
}