public async Task <Watchlist> UpdateAsync(Watchlist item)
{
if (item.MarketWatchlists.Count != item.MarketWatchlists.Distinct((i1, i2) => i1.MarketId == i2.MarketId).Count())
{
throw new InvalidDataException(ErrorCode.InvalidMarket, "Markets must be unique");
}
foreach (var watchlist in await _repository.GetAsync(w => w.Id != item.Id && w.UserId == item.UserId))
{
if (watchlist.Name == item.Name)
{
throw new InvalidDataException(ErrorCode.InvalidMarket, "Watchlist name must be unique");
}
}
foreach (var mw in item.MarketWatchlists)
{
if (!await _marketRepository.IsExistAsync(mw.MarketId))
{
throw new NotFoundException(ErrorCode.MarketNotFount);
}
}
Watchlist result = _repository.Update(item);
await _repository.UnitOfWork.SaveChangesAsync();
return(result);
}