public static double[] CalculateAverageSeries(DateTime selectedDate, int rangeInDays, List <History> history, ReturnSeriesOf returnSeriesOf)
{
List <double[]> collectionOfDays = GetCollection(selectedDate, rangeInDays, history, returnSeriesOf);
return(GetAverage(collectionOfDays));
}
public static double[] CalculateSeries(DateTime date, List <History> history, ReturnSeriesOf returnSeriesOf)
{
double[] series = new double[_minsInOneDay];
DateTime timeCounter = new DateTime(date.Year, date.Month, date.Day, 0, 0, 0);
History[] historyEntries = history.Where(x => x.IsSameDate(date)).OrderBy(x => x.DateTime).ToArray();
if (historyEntries.Length == 0)
{
return(new double[_minsInOneDay]);
}
int historyCount = 1; //skip the first element at 00:00 of 0
double calsPerMin = CalculateCaloriesPerMin(historyEntries, historyCount);
double caloriesBurnt = 0;
// itterate through the minutes of the day
for (int i = 0; i < _minsInOneDay; i++)
{
if (historyCount < historyEntries.Length - 1)
{
if (historyEntries[historyCount].IsSameTimeInMins(timeCounter))
{
historyCount++;
calsPerMin = CalculateCaloriesPerMin(historyEntries, historyCount);
}
}
switch (returnSeriesOf)
{
case ReturnSeriesOf.CaloriesBurnt:
caloriesBurnt += calsPerMin;
series[i] = caloriesBurnt;
break;
case ReturnSeriesOf.CaloriesPerMin:
series[i] = calsPerMin;
break;
default:
break;
}
timeCounter = timeCounter.AddMinutes(1);
if (timeCounter > DateTime.Now)
{
break;
}
}
return(series);
}
public static List <double[]> GetCollection(DateTime selectedDate, int rangeInDays, List <History> history, ReturnSeriesOf returnDataSetType)
{
List <double[]> collectionOfDays = new List <double[]>();
// Get previous days to calculate average
// Only select those that are the same day of the week
// Only look back as far as the rangeInDays
// Not including the selected day
for (int i = 1; i < rangeInDays; i++)
{
DateTime date = selectedDate.AddDays(-i);
if (date.DayOfWeek == selectedDate.DayOfWeek)
{
List <History> currentHistory = new List <History>();
currentHistory = history.Where(x => x.IsSameDate(date)).OrderBy(x => x.DateTime).ToList();
if (currentHistory.Count > 0)
{
collectionOfDays.Add(CalculateSeries(date, history, returnDataSetType));
}
}
}
return(collectionOfDays);
}
