private static ViewReadings GetLast24Hours(int sensorId)
{
ViewReadings view = new ViewReadings("Last 24 Hours", new Dictionary<string, decimal>());
var now = DateTime.Now;
var nowRounded = new DateTime(now.Year, now.Month, now.Day, now.Hour, 0, 0, 0);
for (int i = 6; i >= 0; i--)
{
var startDate = nowRounded.AddHours(-(i * 4));
var endDate = startDate.AddHours(4);
var key = string.Format("{0} {1:00}h", endDate.DayOfWeek.ToString().Substring(0, 3), endDate.Hour);
if (endDate > now)
{
endDate = now;
key = string.Format("{0} {1:00}h", endDate.DayOfWeek.ToString().Substring(0, 3), endDate.Hour + 1);
}
var avg = Model.Sensor.AverageReadings(sensorId, startDate, endDate);
view.Values.Add(key, avg);
}
if (view.Values.Count > 0)
{
return view;
}
else
{
return null;
}
}
private static ViewReadings GetLastHour(int sensorId)
{
ViewReadings view = new ViewReadings("Last Hour", new Dictionary<string, decimal>());
var now = DateTime.Now;
var nowRounded = new DateTime(now.Year, now.Month, now.Day, now.Hour, (Convert.ToInt32(now.Minute / 10) * 10), 0, 0);
for (int i = 6; i >= 0; i--)
{
var startDate= nowRounded.AddMinutes(-(i * 10));
var endDate = startDate.AddMinutes(10);
var key = string.Format("{0:00}:{1:00}", endDate.Hour, endDate.Minute);
if (endDate > now)
{
endDate = now;
key = string.Format("{0:00}:{1:00}", now.Hour, now.Minute+1);
}
var avg = Model.Sensor.AverageReadings(sensorId, startDate, endDate);
view.Values.Add(key, avg);
}
if (view.Values.Count > 0)
{
return view;
}
else
{
return null;
}
}