public static bool TryParse(DateTime?startDate, DateTime?endDate, out SharedCalendarEvent?calendarEvent)
{
if (startDate.HasValue && endDate.HasValue)
{
DateTime StartTime = startDate.Value.ToUniversalTime();
DateTime EndTime = endDate.Value.ToUniversalTime();
int MoonMonth;
MoonPhase MoonPhase;
DateTime PhaseStartTime;
DateTime PhaseEndTime;
double ProgressToFullMoon;
DateTime NextFullMoonTime;
PhaseCalculator.DateTimeToMoonPhase(StartTime, out MoonMonth, out MoonPhase, out PhaseStartTime, out PhaseEndTime, out ProgressToFullMoon, out NextFullMoonTime);
if (PhaseStartTime == StartTime && PhaseEndTime == EndTime)
{
calendarEvent = new SharedCalendarEvent(MoonPhase, MoonMonth, PhaseStartTime, PhaseEndTime);
return(true);
}
}
calendarEvent = null;
return(false);
}
private bool ReadExistingEvents(out List <SharedCalendarEvent> existingEvents)
{
existingEvents = new List <SharedCalendarEvent>();
try
{
// Create Google Calendar API service.
using CalendarService service = new CalendarService(new BaseClientService.Initializer()
{
HttpClientInitializer = CredentialToken, ApplicationName = ApplicationName
});
// Define parameters of requestList.
EventsResource.ListRequest requestList = service.Events.List(SelectedCalendarEntry.Id);
requestList.TimeMin = DateTime.Now - TimeSpan.FromHours(1);
requestList.ShowDeleted = false;
requestList.SingleEvents = true;
requestList.MaxResults = 100;
requestList.OrderBy = EventsResource.ListRequest.OrderByEnum.StartTime;
// List events.
Events events = requestList.Execute();
if (events.Items == null)
{
return(false);
}
foreach (var eventItem in events.Items)
{
DateTime?StartDate = eventItem.Start.DateTime;
DateTime?EndDate = eventItem.End.DateTime;
if (SharedCalendarEvent.TryParse(StartDate, EndDate, out SharedCalendarEvent? NewEvent) && NewEvent != null)
{
existingEvents.Add(NewEvent);
}
}
return(true);
}
catch (Exception e)
{
Debug.Print(e.Message);
}
return(false);
}
public void PostSharedEvents(ICollection <MushroomInfo> mushroomInfoList)
{
if (mushroomInfoList == null)
{
return;
}
if (!IsEventActive)
{
return;
}
if (CredentialToken == null)
{
ObtainCredentialToken(true);
}
if (CredentialToken == null || SelectedCalendarEntry == SharedCalendarEntry.None)
{
return;
}
if (!ReadExistingEvents(out List <SharedCalendarEvent> ExistingEvents))
{
return;
}
DateTime Now = MainWindow.Now();
DateTime NextEventTime = ExistingEvents.Count > 0 ? ExistingEvents[ExistingEvents.Count - 1].PhaseEndTime + TimeSpan.FromHours(1) : Now;
DateTime MaxEventTime = Now + TimeSpan.FromDays(UpcomingDays);
List <SharedCalendarEvent> MissingEvents = new List <SharedCalendarEvent>();
for (;;)
{
int MoonMonth;
MoonPhase MoonPhase;
DateTime PhaseStartTime;
DateTime PhaseEndTime;
double ProgressToFullMoon;
DateTime NextFullMoonTime;
PhaseCalculator.DateTimeToMoonPhase(NextEventTime, out MoonMonth, out MoonPhase, out PhaseStartTime, out PhaseEndTime, out ProgressToFullMoon, out NextFullMoonTime);
if (PhaseStartTime >= MaxEventTime)
{
break;
}
PhaseStartTime = new DateTime(PhaseStartTime.Year, PhaseStartTime.Month, PhaseStartTime.Day, PhaseStartTime.Hour, 0, 0, PhaseStartTime.Kind);
PhaseEndTime = new DateTime(PhaseEndTime.Year, PhaseEndTime.Month, PhaseEndTime.Day, PhaseEndTime.Hour, 0, 0, PhaseEndTime.Kind);
SharedCalendarEvent NewEvent = new SharedCalendarEvent(MoonPhase, MoonMonth, PhaseStartTime, PhaseEndTime);
MissingEvents.Add(NewEvent);
NextEventTime = PhaseEndTime + TimeSpan.FromHours(1);
}
if (MissingEvents.Count > 0)
{
WriteMissingEvents(MissingEvents, mushroomInfoList);
}
}