TFSAggregator.LastRevisionTest.cs

if(self.Revision == 0)
{
	// without history, we can't do anything
	logger.Log("There is not history for this task, quit.");
	return null;
}

var treatStates = new[] {"In Progress", "Review"};
var stateKey = "System.State";
var currentState = (string)self.Fields[stateKey].Value;

if(!treatStates.Contains(currentState))
{
	logger.Log("Current task is not in a treat state, quit.");
	return null;
}

var treatDatekey = "BHT.TreatDate";
var originalState = (string)self.LastRevision.Fields[stateKey].Value;

if(string.Equals(currentState, originalState))
{
	logger.Log("State didn't change since last revision, quit.");
	return null;
}

// When moved to progress, only mark as treat when moved from Review
if(currentState == "In Progress" && originalState != "Review")
{
	logger.Log("Task is In Progress, but not moved from Review, quit.");
	return null;
}

logger.Log("State is changed from <{0}> to <{1}>", currentState, originalState);

var treatDate = System.DateTime.Today.AddDays(2);
if(System.DateTime.Now.TimeOfDay > System.TimeSpan.FromHours(9))
{
	// After standup, add an extra day
	logger.Log("State changed after stand-up, add an extra day.");
	treatDate = treatDate.AddDays(1);
}

var weekendDays = new[] {System.DayOfWeek.Saturday, System.DayOfWeek.Sunday};
if(weekendDays.Contains(treatDate.DayOfWeek))
{
	// Skip non-working days
	logger.Log("Treat day was in the weekend, add two extra days to skip it.");
	treatDate = treatDate.AddDays(2);
}

logger.Log("Treat date is set on: {0:dd-MMM}", treatDate);

self[treatDatekey] = treatDate;