public override async Task <IList <IEvent> > ProcessAction(int actionNumber)
{
ItemProcessor.InputData = InputData;
if (actionNumber == 1)
{
return(new List <IEvent>()
{
new CancelInputDialog(),
new ExecuteAction(ViewToShowAfterModify, ParametersToPassToViewAfterModify)
});
}
else if (actionNumber == 0)
{
var itemId = GetValue("Id");
var existingItem = ItemProcessor.RetrieveExistingItem();
if ((IsNew && existingItem != null) || (!IsNew && existingItem != null && existingItem.Id != itemId))
{
return(new List <IEvent>()
{
new ShowMessage("{0} already exists", ItemNameForDisplay)
});
}
var validationError = await ValidateInputs();
if (validationError != null && validationError.Success == false)
{
return(new List <IEvent>()
{
new ShowMessage(validationError.Message)
});
}
var result = await ItemProcessor.SaveOrUpdate(itemId);
if (result.Success == false)
{
return(new List <IEvent>()
{
new ShowMessage(result.Message)
});
}
var message = String.Format("{0} {1} successfully.", ItemNameForDisplay, IsNew ? "created" : "modified");
if (!String.IsNullOrWhiteSpace(result.Message))
{
message = result.Message;
}
return(new List <IEvent>()
{
new ExecuteAction(ViewToShowAfterModify, ParametersToPassToViewAfterModify),
new CancelInputDialog(),
new ShowMessage(message),
});
}
return(null);
}