public void Handle(IOffer <MultiLineTextList, IViewModelBase> message)
{
History.Events.ThinkingAboutTargetEvent.Publish(System.Guid.Empty);
DisableNavigationRequestedEventMessage.Publish();
try
{
//WE ONLY CARE ABOUT OFFERS IN THE STUDY CATEGORY
if (message.Category != StudyResources.CategoryStudy)
{
return;
}
//WE DON'T CARE ABOUT MESSAGES WE PUBLISH OURSELVES
if (message.PublisherId == Id)
{
return;
}
//WE ONLY CARE ABOUT OFFERS PERTAINING TO OUR FUTURE AND PAST OPPORTUNITIES
var resultsFuture = (from opportunity in FutureOpportunities
where opportunity.Id == message.Opportunity.Id
select opportunity);
if (resultsFuture.Count() != 1)
{
//NO OPEN FUTURE OPPORTUNITIES, NOW CHECK OUR PAST
var resultsOther = (from opportunity in PastOpportunities
where opportunity.Id == message.Opportunity.Id
select opportunity).Concat
(from opportunity in CurrentOpportunities
where opportunity.Id == message.Opportunity.Id
select opportunity);
if (resultsOther.Count() >= 1)
{
//WE HAVE THIS IN THE PAST OR CURRENT, SO THIS OPPORTUNITY HAS ALREADY BEEN/IS ALREADY BEING
//HANDLED, SO WE WILL DENY THIS OFFER
var denyResponse = OfferResources.OfferResponseDeny;
var denyOfferResponse = new OfferResponse <MultiLineTextList, IViewModelBase>(message, Id, this, denyResponse,
StudyResources.CategoryStudy, null);
//PUBLISH DENY OFFER RESPONSE
Exchange.Ton.Publish(denyOfferResponse);
return;
}
else
{
//NOT IN FUTURE OR PAST, SO DOESN'T PERTAIN TO US
return;
}
}
//THIS PERTAINS TO A FUTURE OPPORTUNITY, SO WE WILL EXAMINE THIS FURTHER
//FOR NOW, THIS MEANS THAT WHATEVER THE OFFER IS, WE WILL ACCEPT IT.
//IN THE POSSIBLY NEAR FUTURE, WE WILL HAVE TO CONSIDER IF SOMEONE ELSE
//HAS SOMETHING MORE IMPORTANT TO DO
var pertinentOpportunity = resultsFuture.First();
var acceptResponse = OfferResources.OfferResponseAccept;
var acceptOfferResponse = new OfferResponse <MultiLineTextList, IViewModelBase>(message, Id, this, acceptResponse,
StudyResources.CategoryStudy, null);
//BEFORE PUBLISHING, MOVE OPPORTUNITY TO CURRENT OPPORTUNITIES.
FutureOpportunities.Remove(pertinentOpportunity);
CurrentOpportunities.Add(pertinentOpportunity);
//PUBLISH ACCEPT OFFER RESPONSE
Exchange.Ton.Publish(acceptOfferResponse);
GoInProgress = false;
}
finally
{
EnableNavigationRequestedEventMessage.Publish();
}
}
