public async Task <int> Create(Homework homework)
{
if (homework is null)
{
throw new ArgumentNullException(nameof(homework));
}
var isInvalid = string.IsNullOrWhiteSpace(homework.Title) ||
string.IsNullOrWhiteSpace(homework.Description) ||
homework.Link == null;
if (isInvalid)
{
throw new HomeworkException(HOMEWORK_IS_INVALID);
}
var homeworkId = await _homeworksRepository.Add(homework);
if (homeworkId != default)
{
return(homeworkId);
}
else
{
return(default);
public async Task <int> Create(Homework homework)
{
// валидация
if (homework is null)
{
throw new ArgumentNullException(nameof(homework));
}
var isInvalid = homework.Link == null ||
string.IsNullOrWhiteSpace(homework.Title);
if (isInvalid)
{
throw new BusinessException(HOMEWORK_IS_INVALID);
}
var homeworkId = await _homeworksRepository.Add(homework);
return(homeworkId);
}