public void Cancel()
{
IsCanceled = true;
var notification = Notification.TeamupCanceled(this);
foreach (var contributor in Collaborations.Select(c => c.Contributor))
contributor.Notify(notification);
}
public void Modify(TeamupFormViewModel viewModel)
{
var notification = Notification.TeamupModified(this, DateTime, Address);
Address = viewModel.Address;
DateTime = viewModel.GetDateTime();
Description = viewModel.Description;
DevelopmentLanguageId = viewModel.DevelopmentLanguage;
DevelopmentTypeId = viewModel.DevelopmentType;
foreach (var contributor in Collaborations.Select(c => c.Contributor))
contributor.Notify(notification);
}