private void InitColumnMetas(DateTime selectedDate, int tablePeriod)
{
columnMetas1 = new List <ColumnMeta>();
columnMetas2 = new List <ColumnMeta>();
allColumnMetas = new List <ColumnMeta>();
if (tablePeriod <= 0)
{
tablePeriod = TableOptions.DefaultPeriod;
}
DateTime utcSelectedDate = userContext.ConvertTimeToUtc(selectedDate);
DateTime utcPrevDate = userContext.ConvertTimeToUtc(selectedDate.AddDays(-1));
DateTime utcNextDate = userContext.ConvertTimeToUtc(selectedDate.AddDays(1));
void AddColumnMetas(List <ColumnMeta> columnMetas, DateTime utcStartDate, DateTime utcEndDate)
{
DateTime curDT = utcStartDate;
while (curDT < utcEndDate)
{
DateTime dt = userContext.ConvertTimeFromUtc(curDT);
columnMetas.Add(new ColumnMeta
{
UtcTime = curDT.ToString(WebUtils.JsDateTimeFormat),
ShortDate = dt.ToString("m", Locale.Culture),
ShortTime = dt.ToString("t", Locale.Culture),
});
curDT = curDT.AddMinutes(tablePeriod);
}
}
AddColumnMetas(columnMetas1, utcPrevDate, utcSelectedDate);
AddColumnMetas(columnMetas2, utcSelectedDate, utcNextDate);
allColumnMetas.AddRange(columnMetas1);
allColumnMetas.AddRange(columnMetas2);
}
/// <summary>
/// Converts the specified timestamp to UTC depending on its kind.
/// </summary>
private DateTime ConvertTimeToUtc(DateTime timestamp)
{
return(timestamp.Kind == DateTimeKind.Utc
? timestamp
: userContext.ConvertTimeToUtc(timestamp));
}
