public async Task <ApiError> InsertAsync(HoldingModel model)
{
var checkresult = await ValidateModelAsync(model);
if (!checkresult.Successful)
{
return(checkresult);
}
HoldingEntity entity = model !;
try
{
var result = await _holdingRepository.InsertAsync(entity);
if (result.Successful)
{
model.Id = entity.Id;
}
return(ApiError.FromDalResult(result));
}
catch (Exception ex)
{
return(ApiError.FromException(ex));
}
}
private async Task <ApiError> ValidateModelAsync(HoldingModel model, bool checkid = false)
{
if (model is null || model.UserId <= 0 || model.BeanId <= 0 || model.Quantity == 0 || model.Price <= 0M)
{
return(new(Strings.InvalidModel));
}
if (model.PurchaseDate == default)
{
model.PurchaseDate = DateTime.UtcNow;
}
var user = await _userRepository.ReadAsync(model.UserId);
if (user is null)
{
return(new(string.Format(Strings.NotFound, "user", "id", model.UserId)));
}
var bean = await _beanRepository.ReadAsync(model.BeanId);
if (bean is null)
{
return(new(string.Format(Strings.NotFound, "bean", "id", model.BeanId)));
}
if (model.Id < 0)
{
model.Id = 0;
}
if (checkid && model.Id == 0)
{
return(new(string.Format(Strings.Invalid, "id")));
}
return(ApiError.Success);
}
public async Task <HoldingModel?> ReadAsync(int id)
{
var entity = await _holdingRepository.ReadAsync(id);
if (entity is not null)
{
HoldingModel model = entity !;
model.CanDelete = true;
return(model);
}
return(null);
}
public async Task <ApiError> DeleteAsync(HoldingModel model)
{
if (model is null)
{
return(new(Strings.InvalidModel));
}
try
{
return(ApiError.FromDalResult(await _holdingRepository.DeleteAsync(model.Id)));
}
catch (Exception ex)
{
return(ApiError.FromException(ex));
}
}
public async Task <ApiError> UpdateAsync(HoldingModel model)
{
var checkresult = await ValidateModelAsync(model, true);
if (!checkresult.Successful)
{
return(checkresult);
}
HoldingEntity entity = model !;
try
{
return(ApiError.FromDalResult(await _holdingRepository.UpdateAsync(entity)));
}
catch (Exception ex)
{
return(ApiError.FromException(ex));
}
}
public HoldingViewModel(HoldingModel holding)
{
HoldingModel = holding;
}
