public async Task <Supplement> Update(Supplement supplement)
{
List <Task> tasks = new List <Task>();
var dietIdExists = _dietRepository.GetById(supplement.SuitableDietId);
tasks.Add(dietIdExists);
var idExists = _supplementRepository.GetById(supplement.Id);
tasks.Add(idExists);
var uniqueName = _supplementRepository.GetByName(supplement.Name);
tasks.Add(uniqueName);
await Task.WhenAll(tasks);
if (dietIdExists.Result != null && idExists.Result != null)
{
if ((uniqueName.Result != null && uniqueName.Result.Id == supplement.Id) || uniqueName.Result == null)
{
return(await _supplementRepository.Update(supplement));
}
else
{
throw new Exception();
}
}
else
{
throw new Exception();
}
}
public async Task <Diet> GetDietById(int id)
{
return(await _dietRepository.GetById(id));
}
