public static TimeSpan GetOffsetForDepartment(Department department)
{
TimeZoneInfo timeZoneInfo = null;
TimeSpan timeSpan;
try
{
if (!String.IsNullOrEmpty(department.TimeZone))
{
timeZoneInfo = TimeZoneInfo.FindSystemTimeZoneById(DateTimeHelpers.ConvertTimeZoneString(department.TimeZone));
}
else
{
timeZoneInfo = TimeZoneInfo.FindSystemTimeZoneById("Pacific Standard Time"); // Default to Pacific as it's better then UTC
}
timeSpan = timeZoneInfo.BaseUtcOffset;
var currentDateTime = DateTime.UtcNow.TimeConverter(department);
if (timeZoneInfo.GetAdjustmentRules() != null && timeZoneInfo.GetAdjustmentRules().Any())
{
timeSpan = timeZoneInfo.GetAdjustmentRules().Where(timeZoneAdjustment => timeZoneAdjustment.DateStart <= currentDateTime && timeZoneAdjustment.DateEnd >= currentDateTime).Aggregate(timeSpan, (current, timeZoneAdjustment) => current + timeZoneAdjustment.DaylightDelta);
}
}
catch (Exception ex)
{
Framework.Logging.LogException(ex);
timeSpan = new TimeSpan(-7, 0, 0);
}
return(timeSpan);
}
public static string TimeConverterToString(this DateTime timestamp, Department department)
{
DateTime newTime = timestamp;
TimeZoneInfo timeZoneInfo = null;
try
{
if (!String.IsNullOrEmpty(department.TimeZone))
{
timeZoneInfo = TimeZoneInfo.FindSystemTimeZoneById(DateTimeHelpers.ConvertTimeZoneString(department.TimeZone));
}
else
{
timeZoneInfo = TimeZoneInfo.FindSystemTimeZoneById("Pacific Standard Time"); // Default to Pacific as it's better then UTC
}
if (timeZoneInfo != null)
{
newTime = TimeZoneInfo.ConvertTimeFromUtc(timestamp, timeZoneInfo);
}
return(newTime.FormatForDepartment(department));
}
catch (Exception ex)
{
var method = new StackTrace().GetFrame(1).GetMethod();
Framework.Logging.LogError(String.Format("TimeConverterToString error called from '{0}' of class '{1}' error {2}", method.Name, method.DeclaringType, ex.ToString()));
return(timestamp.FormatForDepartment(department));
}
}