/// <summary>
/// To delete market data from the storage for the specified time period.
/// </summary>
/// <param name="storage">Market-data storage.</param>
/// <param name="from">The start time for data deleting. If the value is not specified, the data will be deleted starting from the date <see cref="GetFromDate"/>.</param>
/// <param name="to">The end time, up to which the data shall be deleted. If the value is not specified, data will be deleted up to the end date <see cref="GetToDate"/>, inclusive.</param>
public static void Delete(this IMarketDataStorage storage, DateTimeOffset?from = null, DateTimeOffset?to = null)
{
if (storage == null)
{
throw new ArgumentNullException(nameof(storage));
}
var range = GetRange(storage, from, to);
if (range == null)
{
return;
}
var info = (IMarketDataStorageInfo)storage;
var min = range.Min.UtcDateTime;
var max = range.Max.UtcDateTime.EndOfDay();
for (var date = min; date <= max; date = date.AddDays(1))
{
if (date == min)
{
var metaInfo = storage.GetMetaInfo(date.Date);
if (metaInfo == null)
{
continue;
}
if (metaInfo.FirstTime >= date && max.Date != min.Date)
{
storage.Delete(date.Date);
}
else
{
var data = storage.Load(date.Date).ToList();
data.RemoveWhere(d =>
{
var time = info.GetTime(d);
return(time.UtcDateTime < min || time > range.Max);
});
storage.Delete(data);
}
}
else if (date.Date < max.Date)
{
storage.Delete(date.Date);
}
else
{
var data = storage.Load(date.Date).ToList();
data.RemoveWhere(d => info.GetTime(d) > range.Max);
storage.Delete(data);
}
}
}
/// <summary>
/// Удалить маркет-данные из хранилища для заданного периода.
/// </summary>
/// <param name="storage">Хранилище маркет-данных.</param>
/// <param name="from">Время начала, с которого необходимо удалять данные. Если значение не указано, то будут удалены данные с начальной даты <see cref="GetFromDate"/>.</param>
/// <param name="to">Время окончания, до которого включительно необходимо удалять данные. Если значение не указано, то будут удалены данные до конечной даты <see cref="GetToDate"/> включительно.</param>
public static void Delete(this IMarketDataStorage storage, DateTimeOffset?from = null, DateTimeOffset?to = null)
{
if (storage == null)
{
throw new ArgumentNullException("storage");
}
var range = GetRange(storage, from, to);
if (range == null)
{
return;
}
var info = (IMarketDataStorageInfo)storage;
var max = range.Max.Date.EndOfDay();
for (var date = range.Min; date <= max; date = date.AddDays(1))
{
if (date == range.Min)
{
var metaInfo = storage.GetMetaInfo(date.Date);
if (metaInfo.FirstTime >= date.UtcDateTime && range.Max.Date != range.Min.Date)
{
storage.Delete(date.Date);
}
else
{
var data = storage.Load(date.Date).Cast <object>().ToList();
data.RemoveWhere(d => info.GetTime(d) < range.Min);
storage.Delete(data);
}
}
else if (date.Date < range.Max.Date)
{
storage.Delete(date.Date);
}
else
{
var data = storage.Load(date.Date).Cast <object>().ToList();
data.RemoveWhere(d => info.GetTime(d) > range.Max);
storage.Delete(data);
}
}
}
public void Delete(IEnumerable <TEntity> data)
{
_messageStorage.Delete(data.Select(_toMessage));
}
