/// <summary>
/// deletes the testvalue
/// </summary>
/// <param name="testValueId">id of the testvalue</param>
/// <returns>The deleted testvalue</returns>
public TestValue Delete(Int32 testValueId)
{
var result = TestBll.DeleteTestValue(testValueId);
InkoRetentionServiceHelper.UpdateRetentionAverageAndStv(result.TestSheetId);
return(result);
}
/// <summary>
/// Saves or updates the InkoRetentionEditViewModel
/// </summary>
/// <param name="viewModel">The viewmodel which will be saved or updated</param>
/// <returns>The saved or updated TestValue</returns>
public TestValue Save(InkoRetentionEditViewModel viewModel)
{
TestValue testValue;
try
{
testValue = viewModel.TestValueId <= 0
? InkoRetentionServiceHelper.SaveNewRetentionTest(viewModel)
: InkoRetentionServiceHelper.UpdateRetentionTest(viewModel);
InkoRetentionServiceHelper.UpdateRetentionAverageAndStv(viewModel.TestSheetId);
}
catch (Exception e)
{
Logger.Error("Update oder Create new Test Value ist fehlgeschlagen: " + e.Message);
testValue = null;
}
return(testValue);
}