private bool TryCreateTask(out Core.Task task)
{
var description = TaskDescription.Text;
task = null;
if (string.IsNullOrWhiteSpace(description))
{
MessageBox.Show("No description has been provided.");
return(false);
}
else if (ViewModel.TodayTasks.Any(EqualityComparerFor(description)))
{
MessageBox.Show("The task already exists.");
SelectTaskWithDescription(description);
return(false);
}
else
{
task = new Core.Task()
{
Description = description
};
return(true);
}
}
private bool TryGetTaskWithDescription(string description, out Core.Task task)
{
task = ViewModel.TodayTasks.SingleOrDefault(EqualityComparerFor(description));
if (task == null)
{
return(false);
}
else
{
return(true);
}
}
