/// <summary>
/// This method checks if Upload method should be executed.
/// </summary>
/// <param name="workflow">WorkflowItem to save</param>
/// <returns>true if pre-condition check passed</returns>
public static Tuple<bool, StoreActivitiesDC> CheckCanUpload(IWorkflowsQueryService proxy, WorkflowItem workflow)
{
StoreActivitiesDC workflowDC = DataContractTranslator.ActivityItemToStoreActivitiyDC(workflow);
var workflowList = proxy.StoreActivitiesGetByName(workflowDC);
//a new created workflow with duplicated name to be saved.
if ((!workflow.IsOpenFromServer || workflow.Name != workflow.OriginalName) && workflowList.Count > 0)
{
MessageBoxService.CannotSaveDuplicatedNameWorkflow(workflow.Name);
return new Tuple<bool, StoreActivitiesDC>(false, null);
}
StoreActivitiesDC latestWorkflow = workflowList.FirstOrDefault();
bool shouldContinue = false;
StoreActivitiesDC workflowToOpen = null;
if (latestWorkflow == null || latestWorkflow.InsertedDateTime <= workflowDC.UpdatedDateTime)
{
if (AuthorizationService.IsAdministrator(AuthorizationService.CurrentPrincipalFunc())
|| (latestWorkflow == null)
|| (workflowDC.LockedBy == Environment.UserName))
{
shouldContinue = true;
}
else
{
MessageBoxService.CannotSaveLockedActivity();
shouldContinue = false;
}
}
else // there is a new version saved on server after user checked current one out
{
if (AuthorizationService.IsAdministrator(AuthorizationService.CurrentPrincipalFunc()))
{
if (MessageBoxService.CreateNewActivityOnSaving() == MessageBoxResult.Yes)
{
shouldContinue = true;
}
}
else
{
if (MessageBoxService.DownloadNewActivityOnSaving() == MessageBoxResult.Yes)
{
workflowToOpen = latestWorkflow;
}
}
}
return new Tuple<bool, StoreActivitiesDC>(shouldContinue, workflowToOpen);
}