public void SystemTimeZone2()
{
System.TimeZoneInfo tzi = System.TimeZoneInfo.FindSystemTimeZoneById("Mountain Standard Time");
Assert.IsNotNull(tzi);
iCalendar iCal = new iCalendar();
ITimeZone tz = iCal.AddTimeZone(tzi, new DateTime(2000, 1, 1), false);
Assert.IsNotNull(tz);
iCalendarSerializer serializer = new iCalendarSerializer();
serializer.Serialize(iCal, @"Calendars\Serialization\SystemTimeZone2.ics");
// Ensure the time zone transition works as expected
// (i.e. it takes 1 hour and 1 second to transition from
// 2003-10-26 1:59:59 AM to
// 2003-10-26 2:00:00 AM)
iCalDateTime dt1 = new iCalDateTime(2003, 10, 26, 1, 59, 59, tz.TZID, iCal);
iCalDateTime dt2 = new iCalDateTime(2003, 10, 26, 2, 0, 0, tz.TZID, iCal);
TimeSpan result = dt2 - dt1;
Assert.AreEqual(TimeSpan.FromHours(1) + TimeSpan.FromSeconds(1), result);
// Ensure another time zone transition works as expected
// (i.e. it takes negative 59 minutes and 59 seconds to transition from
// 2004-04-04 1:59:59 AM to
// 2004-04-04 2:00:00 AM)
dt1 = new iCalDateTime(2004, 4, 4, 1, 59, 59, tz.TZID, iCal);
dt2 = new iCalDateTime(2004, 4, 4, 2, 0, 0, tz.TZID, iCal);
result = dt2 - dt1;
Assert.AreEqual(TimeSpan.FromHours(-1) + TimeSpan.FromSeconds(1), result);
}
public void SystemTimeZone2()
{
System.TimeZoneInfo tzi = System.TimeZoneInfo.FindSystemTimeZoneById("Mountain Standard Time");
Assert.IsNotNull(tzi);
iCalendar iCal = new iCalendar();
ITimeZone tz = iCal.AddTimeZone(tzi);
Assert.IsNotNull(tz);
iCalendarSerializer serializer = new iCalendarSerializer();
serializer.Serialize(iCal, @"Calendars\Serialization\SystemTimeZone2.ics");
iCalDateTime dt1 = new iCalDateTime(2003, 10, 26, 0, 59, 59, tz.TZID, iCal);
iCalDateTime dt2 = new iCalDateTime(2003, 10, 26, 1, 0, 0, tz.TZID, iCal);
TimeSpan result = dt2 - dt1;
Assert.AreEqual(TimeSpan.FromHours(1) + TimeSpan.FromSeconds(1), result);
dt1 = new iCalDateTime(2004, 4, 4, 1, 59, 59, tz.TZID, iCal);
dt2 = new iCalDateTime(2004, 4, 4, 2, 0, 0, tz.TZID, iCal);
result = dt2 - dt1;
Assert.AreEqual(TimeSpan.FromHours(-1) + TimeSpan.FromSeconds(1), result);
}
public void SystemTimeZone2()
{
System.TimeZoneInfo tzi = System.TimeZoneInfo.FindSystemTimeZoneById("Mountain Standard Time");
Assert.IsNotNull(tzi);
iCalendar iCal = new iCalendar();
ITimeZone tz = iCal.AddTimeZone(tzi, new DateTime(2000, 1, 1), false);
Assert.IsNotNull(tz);
iCalendarSerializer serializer = new iCalendarSerializer();
serializer.Serialize(iCal, @"Calendars\Serialization\SystemTimeZone2.ics");
// Ensure the time zone transition works as expected
// (i.e. it takes 1 hour and 1 second to transition from
// 2003-10-26 12:59:59 AM to
// 2003-10-26 01:00:00 AM)
iCalDateTime dt1 = new iCalDateTime(2003, 10, 26, 0, 59, 59, tz.TZID, iCal);
iCalDateTime dt2 = new iCalDateTime(2003, 10, 26, 1, 0, 0, tz.TZID, iCal);
TimeSpan result = dt2 - dt1;
Assert.AreEqual(TimeSpan.FromHours(1) + TimeSpan.FromSeconds(1), result);
// Ensure another time zone transition works as expected
// (i.e. it takes negative 59 minutes and 59 seconds to transition from
// 2004-04-04 01:59:59 AM to
// 2004-04-04 02:00:00 AM)
dt1 = new iCalDateTime(2004, 4, 4, 1, 59, 59, tz.TZID, iCal);
dt2 = new iCalDateTime(2004, 4, 4, 2, 0, 0, tz.TZID, iCal);
result = dt2 - dt1;
Assert.AreEqual(TimeSpan.FromHours(-1) + TimeSpan.FromSeconds(1), result);
}
public void SystemTimeZone1()
{
// System.TimeZoneInfo tzi = System.TimeZoneInfo.FindSystemTimeZoneById("Mountain Standard Time");
System.TimeZoneInfo tzi = System.TimeZoneInfo.FindSystemTimeZoneById("America/Denver");
Assert.IsNotNull(tzi);
iCalendar iCal = new iCalendar();
ITimeZone tz = iCal.AddTimeZone(tzi, new DateTime(2000, 1, 1), false);
iCalendarSerializer serializer = new iCalendarSerializer();
serializer.Serialize(iCal, @"Calendars/Serialization/SystemTimeZone1.ics");
// Ensure the time zone transition works as expected
// (i.e. it takes 1 hour and 1 second to transition from
// 2003-10-26 1:59:59 AM to
// 2003-10-26 2:00:00 AM)
iCalDateTime dt1 = new iCalDateTime(2003, 10, 26, 1, 59, 59, tz.TZID, iCal);
iCalDateTime dt2 = new iCalDateTime(2003, 10, 26, 2, 0, 0, tz.TZID, iCal);
TimeSpan result = dt2 - dt1;
Assert.AreEqual(TimeSpan.FromHours(1) + TimeSpan.FromSeconds(1), result);
// Ensure another time zone transition works as expected
// (i.e. it takes negative 59 minutes and 59 seconds to transition from
// 2004-04-04 01:59:59 AM to
// 2004-04-04 02:00:00 AM)
// NOTE: We have a negative difference between the two values
// because we 'spring ahead', and an hour is lost.
dt1 = new iCalDateTime(2004, 4, 4, 1, 59, 59, tz.TZID, iCal);
dt2 = new iCalDateTime(2004, 4, 4, 2, 0, 0, tz.TZID, iCal);
result = dt2 - dt1;
Assert.AreEqual(TimeSpan.FromHours(-1) + TimeSpan.FromSeconds(1), result);
}
/// <summary>
/// Function is called to create the course ics file
/// Function is called everytime the course calendar needs to be updated
/// </summary>
/// <param name="id"></param>
public void CreateCourseCalendar(int id)
{
//Get the Course
var course = (from d in db.Courses
where d.ID == id
select new
{
d.StartDate,
d.EndDate,
d.Prefix,
d.Number,
d.Semester,
d.Year,
d.CourseMeetings,
d.CourseBreaks,
d.ID
}).FirstOrDefault();
//get course events
var events = (from e in db.Events
where e.Poster.AbstractCourseID == ActiveCourseUser.AbstractCourseID &&
e.StartDate >= course.StartDate &&
e.StartDate <= course.EndDate &&
e.Approved
select new
{
e.StartDate,
e.EndDate,
e.Title,
e.Description
}).ToList();
//Create the calendar object
iCalendar courseCalendar = new iCalendar();
//initalize the Calendar object
courseCalendar.AddTimeZone(DateTimeExtensions.GetTimeZone(((Course)ActiveCourseUser.AbstractCourse).TimeZoneOffset));
courseCalendar.Method = "PUBLISH";
courseCalendar.Name = "VCALENDAR";
courseCalendar.Version = "2.0";
courseCalendar.ProductID = "-//Washington State University//PLUS.OSBLE.org//EN";
courseCalendar.Scale = "GREGORIAN";
courseCalendar.AddProperty("X-WR-CALNAME", course.Prefix + "-" + course.Number + "-" + course.Semester + "-" + course.Year);
//get course breaks
if (ActiveCourseUser.AbstractCourse is Course && ((ActiveCourseUser.AbstractCourse as Course).ShowMeetings == true))
{
foreach (CourseMeeting cm in course.CourseMeetings)
{
StringBuilder rpPattern = new StringBuilder("FREQ=WEEKLY;UNTIL=");
rpPattern.Append(new iCalDateTime(course.EndDate.UTCToCourse(ActiveCourseUser.AbstractCourseID)).ToString(@"yyyyMMdd\THHmmss\Z"));
rpPattern.Append(";WKST=SU;BYDAY=");
if (cm.Sunday)
{
rpPattern.Append("SU,");
}
if (cm.Monday)
{
rpPattern.Append("MO,");
}
if (cm.Tuesday)
{
rpPattern.Append("TU,");
}
if (cm.Wednesday)
{
rpPattern.Append("WE,");
}
if (cm.Thursday)
{
rpPattern.Append("TH,");
}
if (cm.Friday)
{
rpPattern.Append("FR,");
}
if (cm.Saturday)
{
rpPattern.Append("SA");
}
//trim trailing comma if it is there
if (rpPattern[rpPattern.Length - 1] == ',')
{
rpPattern.Remove(rpPattern.Length - 1, 1);
}
RecurringComponent recurringComponent = new RecurringComponent();
RecurrencePattern pattern = new RecurrencePattern(rpPattern.ToString());
DDay.iCal.Event evt = courseCalendar.Create <DDay.iCal.Event>();
//may cause issues
DateTime evtStart = DateTime.SpecifyKind(course.StartDate, DateTimeKind.Utc);
evtStart = evtStart.Add(cm.StartTime.TimeOfDay);
DateTime evtEnd = DateTime.SpecifyKind(course.StartDate, DateTimeKind.Utc);
evtEnd = evtEnd.Add(cm.EndTime.TimeOfDay);
//we need to test if right NOW is in DST.
//case: course starts during DST, and it's now after DST, result: after DST event is now wrong.
DateTime currentTime = new DateTime(DateTime.UtcNow.Year, DateTime.UtcNow.Month, DateTime.UtcNow.Day,
evtStart.Hour, evtStart.Minute, evtStart.Second, DateTimeKind.Utc);
bool isDaylight = TimeZoneInfo.Local.IsDaylightSavingTime(currentTime.UTCToCourse(ActiveCourseUser.AbstractCourseID));
if (isDaylight)
{
evt.Start = new iCalDateTime(evtStart.UTCToCourse(ActiveCourseUser.AbstractCourseID));
evt.End = new iCalDateTime(evtEnd.UTCToCourse(ActiveCourseUser.AbstractCourseID));
evt.LastModified = new iCalDateTime(DateTime.Now);
evt.Summary = cm.Name;
evt.Location = cm.Location;
evt.RecurrenceRules.Add(pattern);
}
else //no longer DST
{
bool matchingStartDay = false;
/*
* if there happens to be a "meeting times" in the database without a day of the week associated with
* the meeting, we need to skip the while and switch case, otherwise it's an infinite loop!
*/
bool meetingTimeWithoutDaysOfWeek = cm.Sunday || cm.Monday || cm.Tuesday || cm.Wednesday ||
cm.Thursday || cm.Friday || cm.Saturday ? false : true;
int count = 0; //infinite loop protection x2!
//WHILE matchingStartDay is false (default false) AND the meeting time has at least one day of the week
//AND if we've hit a count of 7, that means we've already checked each day of the week and will never find one!
//exit while if we fail either of these conditions!
while ((!matchingStartDay && !meetingTimeWithoutDaysOfWeek) && count < 7)
{
switch (currentTime.DayOfWeek) //find which day of the week for this meeting
{
case DayOfWeek.Monday:
if (cm.Monday)
{
matchingStartDay = true;
}
break;
case DayOfWeek.Tuesday:
if (cm.Tuesday)
{
matchingStartDay = true;
}
break;
case DayOfWeek.Wednesday:
if (cm.Wednesday)
{
matchingStartDay = true;
}
break;
case DayOfWeek.Thursday:
if (cm.Thursday)
{
matchingStartDay = true;
}
break;
case DayOfWeek.Friday:
if (cm.Friday)
{
matchingStartDay = true;
}
break;
case DayOfWeek.Saturday:
if (cm.Saturday)
{
matchingStartDay = true;
}
break;
case DayOfWeek.Sunday:
if (cm.Sunday)
{
matchingStartDay = true;
}
break;
default:
matchingStartDay = false;
break;
}
if (!matchingStartDay)
{
currentTime = new DateTime(currentTime.Year, currentTime.Month, currentTime.AddDays(1).Day,
evtStart.Hour, evtStart.Minute, evtStart.Second, DateTimeKind.Utc);
}
count++; //infinite loop protection x2! if we've reached 7 we've cycled all weekdays, so get us out of here!
}
//proceed only if there was a day of the week found for this course meeting time
if (!meetingTimeWithoutDaysOfWeek && matchingStartDay)
{
evt.Start = new iCalDateTime(currentTime.UTCToCourse(ActiveCourseUser.AbstractCourseID));
evt.End = new iCalDateTime(evtEnd.UTCToCourse(ActiveCourseUser.AbstractCourseID));
evt.LastModified = new iCalDateTime(DateTime.Now);
evt.Summary = cm.Name;
evt.Location = cm.Location;
evt.RecurrenceRules.Add(pattern);
}
}
}
//create the course breaks
foreach (CourseBreak cb in course.CourseBreaks)
{
DDay.iCal.Event evt = courseCalendar.Create <DDay.iCal.Event>();
DateTime evtStart = cb.StartDate.Date;
DateTime evtEnd = cb.EndDate.Date.AddDays(1);
evt.Summary = cb.Name;
evt.Start = new iCalDateTime(evtStart);
evt.End = new iCalDateTime(evtEnd);
evt.LastModified = new iCalDateTime(DateTime.Now);
}
}//end if
//add all the events to the calendar
foreach (var e in events)
{
DDay.iCal.Event evt = courseCalendar.Create <DDay.iCal.Event>();
evt.Start = new iCalDateTime(e.StartDate.UTCToCourse(ActiveCourseUser.AbstractCourseID));
if (e.EndDate == null)
{
evt.End = new iCalDateTime(e.StartDate.UTCToCourse(ActiveCourseUser.AbstractCourseID));
evt.End.AddMinutes(1);
}
else
{
evt.End = new iCalDateTime(((DateTime)e.EndDate).UTCToCourse(ActiveCourseUser.AbstractCourseID));
}
evt.Summary = e.Title;
if (e.Description != null)
{
evt.Description = e.Description;
}
}
// Create a serialization context and serializer factory.
// These will be used to build the serializer for our object.
ISerializationContext ctx = new SerializationContext();
ISerializerFactory factory = new DDay.iCal.Serialization.iCalendar.SerializerFactory();
// Get a serializer for our object
IStringSerializer serializer = factory.Build(courseCalendar.GetType(), ctx) as IStringSerializer;
string output = serializer.SerializeToString(courseCalendar);
var bytes = Encoding.UTF8.GetBytes(output);
SaveCourseCalendar(bytes, course.ID);
}
public void SystemTimeZone2()
{
System.TimeZoneInfo tzi = System.TimeZoneInfo.FindSystemTimeZoneById("Mountain Standard Time");
Assert.IsNotNull(tzi);
iCalendar iCal = new iCalendar();
ITimeZone tz = iCal.AddTimeZone(tzi);
Assert.IsNotNull(tz);
iCalendarSerializer serializer = new iCalendarSerializer();
serializer.Serialize(iCal, @"Calendars\Serialization\SystemTimeZone2.ics");
iCalDateTime dt1 = new iCalDateTime(2003, 10, 26, 0, 59, 59, tz.TZID, iCal);
iCalDateTime dt2 = new iCalDateTime(2003, 10, 26, 1, 0, 0, tz.TZID, iCal);
TimeSpan result = dt2 - dt1;
Assert.AreEqual(TimeSpan.FromHours(1) + TimeSpan.FromSeconds(1), result);
dt1 = new iCalDateTime(2004, 4, 4, 1, 59, 59, tz.TZID, iCal);
dt2 = new iCalDateTime(2004, 4, 4, 2, 0, 0, tz.TZID, iCal);
result = dt2 - dt1;
Assert.AreEqual(TimeSpan.FromHours(-1) + TimeSpan.FromSeconds(1), result);
}
/// <summary>
/// Generates the I calendar.
/// </summary>
/// <exception cref="System.ArgumentNullException">
/// eventEntity
/// or
/// inbox
/// </exception>
private static iCalendar GenerateICalendar(Appointment appointment, string emailAddress)
{
if (appointment == null)
{
throw new ArgumentNullException("eventEntity");
}
if (string.IsNullOrEmpty(emailAddress))
{
throw new ArgumentNullException("emailAddress");
}
try
{
/////
// Calendar object
/////
var calendar = new iCalendar( );
var calendarEvent = calendar.Create <iCalEvent>( );
ICalUidContainer iCalUidContainer = appointment.ICalAppt.CalendarId;
string uid = null;
/////
// If there exists a reference to a previously sent message, obtain it and use the iCal UID from it.
// Note* This is required to ensure proposed updates modify the existing calendar entry and no create a new one.
/////
if (iCalUidContainer != null)
{
uid = iCalUidContainer.ICalUid;
if (!string.IsNullOrEmpty(uid))
{
calendarEvent.Uid = uid;
}
}
/////
// Create the time zone object.
/////
TimeZoneInfo tzi = CreateTimezone( );
ITimeZone tz = null;
if (tzi != null)
{
tz = calendar.AddTimeZone(tzi);
}
/////
// Start time.
/////
if (appointment.EventStart != null)
{
calendarEvent.Start = tz != null ? new iCalDateTime(ConvertDateTime(appointment.EventStart.Value, TimeZoneInfo.Utc, tzi), tz.TzId) : new iCalDateTime(appointment.EventStart.Value);
}
/////
// End time.
/////
if (appointment.EventEnd != null)
{
calendarEvent.End = tz != null ? new iCalDateTime(ConvertDateTime(appointment.EventEnd.Value, TimeZoneInfo.Utc, tzi), tz.TzId) : new iCalDateTime(appointment.EventEnd.Value);
}
/////
// All day event.
/////
if (appointment.EventIsAllDay != null)
{
calendarEvent.IsAllDay = appointment.EventIsAllDay.Value;
}
/////
// Location.
/////
if (appointment.EventLocation != null)
{
calendarEvent.Location = appointment.EventLocation;
}
/////
// Priority. (CUA defined)
/////
if (appointment.EventEmailPriority != null)
{
EventEmailPriorityEnum eventEmailPriorityStatus = appointment.EventEmailPriority;
switch (eventEmailPriorityStatus.Alias)
{
case "core:lowPriority":
calendarEvent.Priority = 9;
break;
case "core:normalPriority":
calendarEvent.Priority = 5;
break;
case "core:highPriority":
calendarEvent.Priority = 1;
break;
}
}
/////
// Summary.
/////
calendarEvent.Summary = !string.IsNullOrEmpty(appointment.Name) ? string.Format("{0} - {1}", appointment.Name, GlobalStrings.DefaultICalSummary) : GlobalStrings.DefaultICalSummary;
/////
// Status.
/////
if (appointment.EventStatus != null)
{
EventStatusEnum eventStatusEnum = appointment.EventStatus;
switch (eventStatusEnum.Alias)
{
case "core:eventStatusTentative":
calendarEvent.Status = Scheduling.iCalendar.EventStatus.Tentative;
calendar.Method = Methods.Request;
break;
case "core:eventStatusConfirmed":
calendarEvent.Status = Scheduling.iCalendar.EventStatus.Confirmed;
calendar.Method = Methods.Publish;
break;
case "core:eventStatusCancelled":
/////
// If there is no previous iCal UID, ignore this since it is invalid.
/////
if (uid == null)
{
return(null);
}
calendarEvent.Status = Scheduling.iCalendar.EventStatus.Cancelled;
calendar.Method = Methods.Cancel;
break;
}
}
else
{
/////
// New and Updated events must be Requests.
/////
calendar.Method = Methods.Request;
}
/////
// Process the organizer.
/////
ProcessOrganizer(calendarEvent, emailAddress);
/////
// Process attendees.
/////
ProcessAttendees(calendarEvent, appointment);
// if there are no attendees there is no iCal appointment
if (calendarEvent.Attendees.Count <= 0)
{
return(null);
}
if (appointment.ICalAppt.CalendarId == null || appointment.ICalAppt.CalendarId.ICalUid != calendarEvent.Uid)
{
/////
// Create an iCal UID Container.
/////
var container = new ICalUidContainer
{
ICalUid = calendarEvent.Uid,
CalendarEventEmail = appointment.ICalAppt
};
/////
// Store the iCal UID in the email message so we can correlate any new proposed times.
/////
/////
// Save the container.
/////
container.Save( );
}
return(calendar);
}
catch (Exception exc)
{
EventLog.Application.WriteError("Failed to generate iCalendar attachment." + exc);
}
return(null);
}
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
if (!Page.User.Identity.IsAuthenticated)
{
throw new MyFlightbookException("Unauthorized!");
}
int idClub = util.GetIntParam(Request, "c", 0);
if (idClub == 0)
{
throw new MyFlightbookException("Invalid club");
}
Club c = Club.ClubWithID(idClub);
if (c == null)
{
throw new MyFlightbookException(String.Format(System.Globalization.CultureInfo.InvariantCulture, "Invalid club: {0}", idClub));
}
string szIDs = util.GetStringParam(Request, "sid");
string[] rgSIDs = szIDs.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
if (rgSIDs.Length == 0)
{
throw new MyFlightbookException("No scheduled events to download specified");
}
bool fIsAdmin = c.HasAdmin(Page.User.Identity.Name);
using (iCalendar ic = new iCalendar())
{
ic.AddTimeZone(c.TimeZone);
string szTitle = string.Empty;
foreach (string sid in rgSIDs)
{
ScheduledEvent se = ScheduledEvent.AppointmentByID(sid, c.TimeZone);
if (se == null)
{
throw new MyFlightbookException(String.Format(System.Globalization.CultureInfo.InvariantCulture, "Invalid scheduled event ID: {0}", sid));
}
if (!fIsAdmin && Page.User.Identity.Name.CompareOrdinal(se.OwningUser) != 0)
{
throw new MyFlightbookException("Attempt to download appointment that you don't own!");
}
ClubAircraft ca = c.MemberAircraft.FirstOrDefault(ca2 => ca2.AircraftID.ToString(System.Globalization.CultureInfo.InvariantCulture).CompareOrdinal(se.ResourceID) == 0);
Event ev = ic.Create <Event>();
ev.UID = se.ID;
ev.IsAllDay = false;
ev.Start = new iCalDateTime(se.StartUtc, TimeZoneInfo.Utc.Id);
ev.End = new iCalDateTime(se.EndUtc, TimeZoneInfo.Utc.Id);
ev.Start.HasTime = ev.End.HasTime = true; // has time is false if the ultimate time is midnight.
szTitle = ev.Description = ev.Summary = String.Format(System.Globalization.CultureInfo.CurrentCulture, "{0}{1}", ca == null ? string.Empty : String.Format(System.Globalization.CultureInfo.CurrentCulture, "{0} - ", ca.DisplayTailnumber), se.Body);
ev.Location = c.HomeAirport == null ? c.HomeAirportCode : String.Format(System.Globalization.CultureInfo.CurrentCulture, "{0} - {1}", c.HomeAirportCode, c.HomeAirport.Name);
Alarm a = new Alarm();
a.Action = AlarmAction.Display;
a.Description = ev.Summary;
a.Trigger = new Trigger();
a.Trigger.DateTime = ev.Start.AddMinutes(-30);
ev.Alarms.Add(a);
ic.Method = "PUBLISH";
}
iCalendarSerializer s = new iCalendarSerializer();
string output = s.SerializeToString(ic);
Page.Response.Clear();
Page.Response.ContentType = "text/calendar";
Response.AddHeader("Content-Disposition", String.Format(System.Globalization.CultureInfo.InvariantCulture, "inline;filename={0}", Branding.ReBrand(String.Format(System.Globalization.CultureInfo.InvariantCulture, "{0}appt.ics", szTitle)).Replace(" ", "-")));
Response.Write(output);
Response.Flush();
Response.End();
}
}
}