/// <summary>
/// Get TimeRange covery by Energiemenge
/// </summary>
/// <param name="menge">Energiemenge</param>
/// <returns>TimeRange ranging from the earliest <see cref="Verbrauch.Startdatum"/> to the latest <see cref="Verbrauch.Enddatum"/></returns>
/// <returns></returns>
public static TimeRange GetTimeRange(this BO4E.BO.Energiemenge menge)
{
using (MiniProfiler.Current.Step(nameof(GetTimeRange)))
{
return(new TimeRange(menge.GetMinDate().UtcDateTime, menge.GetMaxDate().UtcDateTime));
}
}
/// <summary>
/// Get a list of those time ranges within a reference, where no energieverbrauch entries are defined.
/// </summary>
/// <param name="em">Energiemenge</param>
/// <param name="reference">reference timeframe</param>
/// <param name="wev">Wertermittlungsverfahren</param>
/// <param name="obis">OBIS-Kennzahl</param>
/// <param name="me">Mengeneinheit</param>
/// <returns></returns>
public static List <TimeRange> GetMissingTimeRanges(this BO4E.BO.Energiemenge em, ITimeRange reference, Wertermittlungsverfahren wev, string obis, Mengeneinheit me)
{
using (MiniProfiler.Current.Step(nameof(GetMissingTimeRanges)))
{
IDictionary <Tuple <DateTime, DateTime>, Verbrauch> filteredVerbrauch;
using (MiniProfiler.Current.Step($"Filtering energieverbrauch on OBIS={obis}, WEV={wev}, Mengeneinheit={me}"))
{
filteredVerbrauch = em.Energieverbrauch
.Where <Verbrauch>(v => v.Wertermittlungsverfahren == wev && v.Obiskennzahl == obis && v.Einheit == me)
.ToDictionary(v => new Tuple <DateTime, DateTime>(v.Startdatum, v.Enddatum), v => v);
}
if (filteredVerbrauch.Count < 2)
{
throw new ArgumentException("Not enough entries in energieverbrauch to determine periodicity.");
}
if (!IsEvenlySpaced(em, reference, wev, obis, me, true))
{
throw new ArgumentException("The provided Energiemenge is not evenly spaced although gaps are allowed.");
}
TimeSpan periodicity = GetTimeSpans(em, wev, obis, me).Min <TimeSpan>();
if (Math.Abs((reference.Start - em.GetMinDate()).TotalMilliseconds % periodicity.TotalMilliseconds) != 0)
{
throw new ArgumentException($"The absolute difference between reference.start ({reference.Start}) and the minimal date time in the Energiemenge ({em.GetMinDate()}) has to be an integer multiple of the periodicity {periodicity.TotalMilliseconds} but was {(reference.Start - em.GetMinDate()).TotalMilliseconds}.");
}
// since it's assured, that the energieverbrauch entries are evenly spaced it doesn't matter which entry we use to determine the duration.
TimeSpan duration = filteredVerbrauch.Values.Min(v => v.Enddatum) - filteredVerbrauch.Values.Min(v => v.Startdatum);
List <TimeRange> result = new List <TimeRange>();
using (MiniProfiler.Current.Step("Populating list with time slices in UTC"))
{
for (DateTime dt = reference.Start; dt < reference.End; dt += periodicity)
{
// use a strict '==' instead of overlap. This is justified because all the other cases are considered beforehand
switch (dt.Kind)
{
case DateTimeKind.Local:
throw new ArgumentException("Local DateTime not supported!");
case DateTimeKind.Unspecified:
dt = DateTime.SpecifyKind(dt, DateTimeKind.Utc);
break;
case DateTimeKind.Utc:
break;
}
//using (MiniProfiler.Current.Step("linq where on filtered verbrauch"))
//{
if (!filteredVerbrauch.ContainsKey(new Tuple <DateTime, DateTime>(dt, dt + duration)))// Where<Verbrauch>(v => v.startdatum == dt && v.enddatum == dt + duration).Any())
{
result.Add(new TimeRange(dt, dt + duration));
}
//}
}
}
return(result);
}
}
/// <summary>
/// Same as <see cref="GetTotalConsumption(BO.Energiemenge, Wertermittlungsverfahren, string, Mengeneinheit)"/> but without autodetected parameters.
/// By default a the full length of the Energiemenge is taken into account.
/// </summary>
/// <param name="em">Energiemenge</param>
/// <returns>Tuple of consumption value and unit of measurement</returns>
public static Tuple <decimal, Mengeneinheit> GetTotalConsumption(this BO4E.BO.Energiemenge em)
{
return(GetConsumption(em, new TimeRange(em.GetMinDate().UtcDateTime, em.GetMaxDate().UtcDateTime)));
}
/// <summary>
/// Test, if the Energiemenge is continuous within its own min/max range.
/// <see cref="IsContinuous(BO.Energiemenge, TimeRange)"/>
/// </summary>
/// <param name="em">Energiemenge</param>
/// <returns>true iff Energiemenge has defined value for every point in time t in
/// min(energieverbrauch.startdatum) <= t < max(energieverbrauch.enddatum);
/// false otherwise
/// </returns>
public static bool IsContinuous(this BO4E.BO.Energiemenge em)
{
return(IsContinuous(em, new TimeRange(em.GetMinDate().UtcDateTime, em.GetMaxDate().UtcDateTime)));
}