solidtime/app/Http/Requests/V1/Invitation/InvitationStoreRequest.php

<?php

declare(strict_types=1);

namespace App\Http\Requests\V1\Invitation;

use App\Enums\Role;
use App\Models\Organization;
use App\Models\OrganizationInvitation;
use Illuminate\Contracts\Validation\ValidationRule;
use Illuminate\Database\Eloquent\Builder;
use Illuminate\Foundation\Http\FormRequest;
use Illuminate\Validation\Rule;
use Korridor\LaravelModelValidationRules\Rules\UniqueEloquent;

/**
 * @property Organization $organization
 */
class InvitationStoreRequest extends FormRequest
{
    /**
     * Get the validation rules that apply to the request.
     *
     * @return array<string, array<string|ValidationRule|\Illuminate\Contracts\Validation\Rule>>
     */
    public function rules(): array
    {
        return [
            'email' => [
                'required',
                'email',
                UniqueEloquent::make(OrganizationInvitation::class, 'email', function (Builder $builder): Builder {
                    /** @var Builder<OrganizationInvitation> $builder */
                    return $builder->whereBelongsTo($this->organization, 'organization');
                })->withCustomTranslation('validation.invitation_already_exists'),
            ],
            'role' => [
                'required',
                'string',
                Rule::enum(Role::class)
                    ->except([Role::Owner, Role::Placeholder]),
            ],
        ];
    }

    public function getRole(): Role
    {
        return Role::from($this->input('role'));
    }

    public function getEmail(): string
    {
        return $this->input('email');
    }
}