public override IEnumerable <TimeSpan> GetCheckPointsWithin(TimeSpan start, TimeSpan end)
{
var result = new List <TimeSpan>();
var dayStart = new TimeSpan(0, 0, 0, 0);
var dayEnd = new TimeSpan(1, 0, 0, 0);
var factory = new CheckpointFactory();
var checkpoints = factory.CreateDayCheckpoints(ActivityCheck);
// event goes to next day)
if (end.Days >= 1)
{
// remove the day
var midnight = new TimeSpan(1, 0, 0, 0);
result.Add(midnight);
end = end.Subtract(midnight);
checkpoints.ToList().ForEach(
point =>
{
if ((point > dayStart && point < end) || (point > start && point < dayEnd))
{
result.Add(point);
}
});
}
else
{
// event occured within one day
checkpoints.ToList().ForEach(
point =>
{
if (point > start && point < end)
{
result.Add(point);
}
});
}
return(result);
}
public override IntervalSnapshots ToCheckpointRecords(IEnumerable <EventRecord> events,
DateTime start, DateTime stop, TimeSpan activityCheck)
{
var snapshots = new IntervalSnapshots();
List <Record> data = snapshots.Data.ToList();
//create a list of checkpoints from the start date to the final record
ICheckpointFactory factory = new CheckpointFactory();
var defaultCheckpoints = factory.CreateRecords(start, stop, activityCheck);
//TODO can be improved by trimming the whole list from sides
List <EventRecord> palEvents = events.ToList();
int pointer = 0;
int palEventCount = events.Count();
EventRecord firstIntervalRecord = null;
EventRecord lastIntervalRecord = null;
//for every default blunt checkpoint
defaultCheckpoints.ToList().ForEach(
checkPoint
=>
{
//get currentRecord date
DateTime checkPointDate = checkPoint.Date;
//while pointer is less the count
while (pointer < palEventCount)
{
EventRecord palEvent = palEvents[pointer];
DateTime end = palEvent.Date + palEvent.Duration;
//if event date stretches thoough the checkpoint
if (end > checkPointDate)
{
//set first record in the interval
if (firstIntervalRecord == null)
{
firstIntervalRecord = palEvent;
}
//will leave the last record after looping
lastIntervalRecord = palEvent;
//remember activity code
checkPoint.ActivityCode = palEvent.ActivityCode;
data.Add(checkPoint);
break;
}
pointer += 1;
}
}
);
snapshots.Data = data;
snapshots.StartDate = start;
snapshots.FinishDate = stop;
if (lastIntervalRecord != null && firstIntervalRecord != null)
{
snapshots.CumulativeStepCount = lastIntervalRecord.CumulativeStepCount -
firstIntervalRecord.CumulativeStepCount;
}
return(snapshots);
}
