public Maybe <FocusData> Combine(FocusData data) =>
CanCombine(data) ?
new FocusData(
new DateTime(Math.Min(data.StartTime.Ticks, StartTime.Ticks)),
new DateTime(Math.Max(data.EndTime.Ticks, EndTime.Ticks)),
ItemId)
: null;
public void AddAndCombineItem(FocusData data)
{
var gotCombined = new List <FocusData>();
var combined = data;
foreach (var item in Data)
{
if (item.CanCombine(combined))
{
combined = item.Combine(combined).Value;
gotCombined.Add(item);
}
}
Data = Data.Except(gotCombined)
.Concat(new List <FocusData>()
{
combined
})
.OrderBy(x => x.StartTime);
}
public bool CanCombine(FocusData data) => data.ItemId == ItemId && (data.EndTime == StartTime || data.StartTime == EndTime);