private void CheckPCRRequirement()
{
var required = false;
var earliestSubmitTime = new DateTime(2020, 1, 1, 0, 0, 1);
foreach (var it in Segments)
{
if (!AirportDataset.TryGetAirport(it.DepartureAirport, out var airport))
{
continue;
}
if (airport.PCRInAdvance == -1 || airport.StartTime > it.LocalDepartureTime)
{
continue;
}
var earliestTime = new DateTime(it.LocalDepartureTime.Year, it.LocalDepartureTime.Month,
it.LocalDepartureTime.Day - airport.PCRInAdvance, 0, 0, 1);
if (earliestTime > earliestSubmitTime)
{
required = true;
earliestSubmitTime = earliestTime;
}
}
if (required)
{
if (AirportInUS.Contains(Segments[0].DepartureAirport) && Segments[0].LocalDepartureTime < new DateTime(2020, 9, 15, 0, 0, 0))
{
AddMessage("2020/09/15 前美国始发颁发的 5 日核酸码能否在 3 日地区使用不能确定。请尽量按 3 日的要求准备核酸码。本 APP 是按 3 日的要求计算的。");
}
if (earliestSubmitTime > Segments[0].LocalDepartureTime)
{
AddMessage("核酸报告时间无法赶上第一程航班。");
InvalidRoute();
return;
}
AddMessage("核酸码需要报告出具时间为 " + earliestSubmitTime.ToString("yyyy/MM/dd") + " 及以后的报告。");
if ((Segments[0].LocalDepartureTime - earliestSubmitTime).TotalSeconds < 86400)
{
SuspiciousRoute();
AddMessage("报告出具时间到乘机不到 24 小时。有核酸码不能准时审核通过的风险。");
}
}
else
{
AddMessage("不需要核酸码，请注意打小飞机。");
}
}
private void CheckPCRRequirement()
{
if (Segments.Count == 1 &&
AirportInJapan.Contains(Segments[0].DepartureAirport) &&
Segments[0].LocalDepartureTime >= new DateTime(2020, 9, 25, 0, 0, 1))
{
AddMessage("日本直飞无需提供核酸码/14天打卡健康码，但是需要提供在指定核酸测试机构的纸质测试报告，并需持复印件供航空公司留存。详情请参阅资源一栏。");
return;
}
var required = false;
var earliestSubmitTime = new DateTime(2020, 1, 1, 0, 0, 1);
var isUsOrigin = AirportInUS.Contains(Segments[0].DepartureAirport);
var hasOriginAirport = AirportDataset.TryGetAirport(Segments[0].DepartureAirport, out var originAirport);
var testTimezone = isUsOrigin ? WestCoastTimeZone : PcrTimezone;
foreach (var it in Segments)
{
if (!AirportDataset.TryGetAirport(it.DepartureAirport, out var airport))
{
continue;
}
if (airport.PCRInAdvance == -1 || airport.StartTime > it.LocalDepartureTime)
{
continue;
}
var airportTimeInLocal = TimeZoneInfo.ConvertTime(it.LocalDepartureTime, airport.TimeZone, testTimezone);
var pcrTimeInLocal = airportTimeInLocal - new TimeSpan(airport.PCRInAdvance, 0, 0, 0);
var earliestTime = new DateTime(pcrTimeInLocal.Year, pcrTimeInLocal.Month, pcrTimeInLocal.Day, 0, 1, 0);
if (earliestTime > earliestSubmitTime)
{
required = true;
earliestSubmitTime = earliestTime;
}
}
if (required)
{
if (AirportInUS.Contains(Segments[0].DepartureAirport) && Segments[0].LocalDepartureTime < new DateTime(2020, 9, 15, 0, 0, 0))
{
AddMessage("2020/09/15 前美国始发颁发的 5 日核酸码只要有效，就可以在 3 日核酸码地区转机。但是部分机场（比如韩国）可能会额外要求 3 日内核酸报告。");
}
AddMessage("核酸码需要报告出具当地时间为 " + earliestSubmitTime.ToString("yyyy/MM/dd") + " 及以后的报告。");
if (isUsOrigin)
{
AddMessage("请注意，美国始发核酸报告出具时间会统一视作美西时间。");
}
if (hasOriginAirport)
{
earliestSubmitTime = TimeZoneInfo.ConvertTime(earliestSubmitTime, PcrTimezone, originAirport.TimeZone);
if (earliestSubmitTime > Segments[0].LocalDepartureTime)
{
AddMessage("核酸报告时间无法赶上第一程航班。");
InvalidRoute();
return;
}
if ((Segments[0].LocalDepartureTime - earliestSubmitTime).TotalSeconds < 86400)
{
SuspiciousRoute();
AddMessage("报告出具时间到乘机不到 24 小时。有核酸码不能准时审核通过的风险。");
}
}
else
{
AddMessage("出发机场未知，无法判定核酸报告时间情况。");
}
}
else
{
AddMessage("不需要核酸码，请注意打小飞机。");
}
}