sam-api/app/Http/Requests/Approval/SubmitRequest.php

<?php

namespace App\Http\Requests\Approval;

use App\Models\Tenants\ApprovalLine;
use Illuminate\Foundation\Http\FormRequest;

class SubmitRequest extends FormRequest
{
    public function authorize(): bool
    {
        return true;
    }

    public function rules(): array
    {
        $stepTypes = implode(',', ApprovalLine::STEP_TYPES);

        return [
            // steps는 optional - 없으면 기존 결재선 사용
            'steps' => 'nullable|array',
            'steps.*.type' => "nullable|string|in:{$stepTypes}",
            'steps.*.step_type' => "nullable|string|in:{$stepTypes}",
            'steps.*.user_id' => 'nullable|integer|exists:users,id',
            'steps.*.approver_id' => 'nullable|integer|exists:users,id',
            'steps.*.step_order' => 'nullable|integer|min:1',
        ];
    }

    public function messages(): array
    {
        return [
            'steps.*.type.in' => __('validation.in', ['attribute' => '단계유형']),
            'steps.*.step_type.in' => __('validation.in', ['attribute' => '단계유형']),
            'steps.*.user_id.exists' => __('validation.exists', ['attribute' => '결재자']),
            'steps.*.approver_id.exists' => __('validation.exists', ['attribute' => '결재자']),
        ];
    }
}