public async Task <CreateFavorite.Response> AddToFavorite(CreateFavorite.Request request, CancellationToken cancellationToken)
{
var userId = await _identityService.GetCurrentUserId(cancellationToken);
if (string.IsNullOrEmpty(userId))
{
throw new UserNotFoundException("Пользователь не найден");
}
var advertisement = await _advertisementRepository.FindById(request.AdvertisementId, cancellationToken);
if (advertisement == null)
{
throw new AdvertisementNotFoundException($"Объявление с Id = {request.AdvertisementId} не было найдено");
}
var advertisementInFavoriteCurrentUser = await _repository.FindWhere(a => a.UserId == userId && a.AdvertisementId == request.AdvertisementId, cancellationToken);
if (advertisementInFavoriteCurrentUser != null)
{
throw new DuplicateFavoriteException($"Объявление с id = {request.AdvertisementId} уже содержится в избранных пользователя");
}
var favorite = new Domain.Favorite
{
AdvertisementId = advertisement.Id,
UserId = userId,
CreatedDate = DateTime.UtcNow
};
await _repository.Save(favorite, cancellationToken);
return(new CreateFavorite.Response
{
Id = favorite.Id
});
}