public bool Analyze(string fileName, out RunStatistics runStats)
{
runStats = _cache.Fetch(fileName);
var analysisRun = false;
if (runStats == null)
{
analysisRun = true;
var gpxNamespace = XNamespace.Get("http://www.topografix.com/GPX/1/1");
var gpxDoc = XDocument.Load(fileName);
runStats = new RunStatistics();
var firstPoint = true;
foreach (var track in gpxDoc.Descendants(gpxNamespace + "trk"))
{
foreach (var segment in track.Descendants(gpxNamespace + "trkseg"))
{
var points = from point in segment.Descendants(gpxNamespace + "trkpt")
select new GpxTrackPoint(point);
var iterator = points.GetEnumerator();
if (iterator.MoveNext())
{
var pt = iterator.Current;
if (firstPoint)
{
runStats.StartTime = pt.Time;
firstPoint = false;
}
runStats.SetStartPoint(pt);
while (iterator.MoveNext())
{
pt = iterator.Current;
runStats.RecordInterval(pt);
}
runStats.EndSegment();
}
}
}
_cache.Store(fileName, runStats);
}
AggregateStatistics monthlyStats;
AggregateStatistics weeklyStats;
var month = new DateTime(runStats.StartTime.Year, runStats.StartTime.Month, 1);
if (MonthlyStats.ContainsKey(month))
{
monthlyStats = MonthlyStats[month];
}
else
{
MonthlyStats[month] = monthlyStats = new AggregateStatistics();
monthlyStats.StartTime = month;
}
monthlyStats.AddRun(runStats);
var deltaDays = DayOfWeek.Monday - runStats.StartTime.DayOfWeek;
if (deltaDays > 0)
{
deltaDays -= 7;
}
var week = runStats.StartTime.Date.AddDays(deltaDays);
if (WeeklyStats.ContainsKey(week))
{
weeklyStats = WeeklyStats[week];
}
else
{
WeeklyStats[week] = weeklyStats = new AggregateStatistics();
weeklyStats.StartTime = week;
}
weeklyStats.AddRun(runStats);
return(analysisRun);
}
