ldc-com-app-bo/app/Http/Requests/Api/SendFlyerRequest.php

<?php

namespace App\Http\Requests\Api;

use Illuminate\Foundation\Http\FormRequest;
use Illuminate\Validation\Rule;

/** FIXME: currently not used but will be in the future. */
class SendFlyerRequest extends FormRequest
{
    /**
     * Get the validation rules that apply to the request.
     *
     * @return array
     */
    public function rules(): array
    {
        return [
            'emails.email'             => [
                'required',
                'email:rfc,strict,dns,spoof,filter',
                Rule::exists('contacts', 'email')->where(function ($query) {
                    $query->whereIn('app_user_id', function ($subQuery) {
                        $subQuery->select('id')->from('app_users')->where('tenant_id', $this->tenant);
                    });
                }),
            ],
            'emails.subject'           => 'required|string|between:3,255',
            'emails.message'           => 'required|string|min:3',
            'emails.app_user_id'       => [
                'required',
                'integer',
                Rule::exists('app_users', 'id')->where('tenant_id', $this->tenant)
            ],
            'emails.documents'         => 'required|array|min:1',
            'emails.documents.*.title' => 'required|string|min:3',
            'emails.documents.*.uuid'  => 'required|string|min:3',
            'emails.documents.*.type'  => 'required|string|min:1',
        ];
    }

    /**
     * Get custom attributes for validator errors.
     *
     * @return array
     */
    public function attributes(): array
    {
        return [
            'emails.email'       => trans('validation.attributes.email'),
            'emails.subject'     => trans('validation.attributes.subject'),
            'emails.message'     => trans('validation.attributes.message'),
            'emails.app_user_id' => trans('models.classes.app_user'),
        ];
    }
}