public static Dictionary <string, List <ReadingBase> > GetDailySummary(WeatherValueType valueType, int deviceId, DateTime startDate, DateTime endDate)
{
var summaryList = new Dictionary <string, List <ReadingBase> >();
summaryList["Average"] = new List <ReadingBase>();
summaryList["Minimum"] = new List <ReadingBase>();
summaryList["Maximum"] = new List <ReadingBase>();
for (var year = startDate.Year; year <= endDate.Year; year++)
{
using (var archiveData = new WeatherArchiveData(year))
{
var groupList = archiveData.Readings
.Where(r => r.ReadTime >= startDate &&
r.ReadTime <= endDate &&
r.DeviceId == deviceId &&
r.Type == (int)valueType)
.GroupBy(r => DbFunctions.TruncateTime(r.ReadTime))
.Select(g => new
{
ReadTime = g.Key,
Readings = g.Select(r => r.Value)
}).ToList();
summaryList["Average"].AddRange(groupList.Select(d => ReadingBase.CreateReading(valueType, d.ReadTime.Value.DateTime, d.Readings.Average())));
summaryList["Minimum"].AddRange(groupList.Select(d => ReadingBase.CreateReading(valueType, d.ReadTime.Value.DateTime, d.Readings.Min())));
summaryList["Maximum"].AddRange(groupList.Select(d => ReadingBase.CreateReading(valueType, d.ReadTime.Value.DateTime, d.Readings.Max())));
}
}
return(summaryList);
}
private static List <ReadingBase> LoadHistory(WeatherValueType valueType, int deviceId, DateTimeOffset start, DateTimeOffset end)
{
var history = new List <ReadingBase>();
for (var year = start.Year; year <= end.Year; year++)
{
using (var archiveData = new WeatherArchiveData(year))
{
var readings = archiveData.Readings;
var yearlyHistory = readings.Where(r => r.DeviceId == deviceId && r.Type == (int)valueType && r.ReadTime >= start && r.ReadTime <= end).ToList();
history.AddRange(yearlyHistory.Select(r => ReadingBase.CreateReading(valueType, r.ReadTime.DateTime, r.Value)));
}
}
return(history);
}
internal void SetValue(double value, DateTime timeStamp, bool save)
{
// Set the current value
Current.SetValue(value, timeStamp);
if (save)
{
// Save the reading
using (var weatherArchiveData = new WeatherArchiveData(timeStamp.Year))
{
var reading = new ReadingData
{
DeviceId = _ownerDevice.Id,
Type = (int)ValueType,
Value = value,
ReadTime = timeStamp
};
weatherArchiveData.Readings.Add(reading);
weatherArchiveData.SaveChanges();
}
}
}
