public void SetContext(ActionExecutingContext controllerContext)
{
HttpContextBase context = controllerContext.GetHttpContext();
if (context.Session != null)
{
if (context.Session[TimeZoneContextKey] == null)
{
var numberOfAttempts = (int)(context.Session[TimeZoneAttemptsKey] ?? 0);
string timeZoneIdString = GetTimeZoneIdString(numberOfAttempts, context.Request);
TimeZoneInfo timeZone = GetTimeZone(timeZoneIdString);
if (timeZone != null)
{
context.Session[TimeZoneContextKey] = timeZone;
context.Session[TimeZoneAttemptsKey] = null;
}
else
{
context.Session[TimeZoneAttemptsKey] = ++numberOfAttempts;
}
}
}
}