public static string GenerateIcs(Model.Schedule schedule)
{
int dayCount = schedule.Count * 7;
DateTime firstDay = RuntimeData.StartDate;
Calendar calendar = new Calendar();
for (int i = 0; i < dayCount; i++)
{
DateTime date = firstDay.AddDays(i);
foreach (Model.ScheduleEntry e in schedule.GetDaySchedule(i))
{
(var start, var end) = SessionTimeConverter.ConvertShort(e.SessionSpan, CampusSelector.IsCampusD(e.Room));
CalendarEvent calEvent = new CalendarEvent()
{
DtStart = new CalDateTime(new DateTime(date.Year, date.Month, date.Day, start.Hour, start.Minute, 0)),
DtEnd = new CalDateTime(new DateTime(date.Year, date.Month, date.Day, end.Hour, end.Minute, 0)),
Location = e.Room,
Summary = e.Name,
Description = $"教师: {e.Lecturer}",
Alarms =
{
new Alarm()
{
Trigger = new Trigger(new TimeSpan(0, -15, 0))
}
}
};
calendar.Events.Add(calEvent);
}
}
var serializer = new Ical.Net.Serialization.CalendarSerializer();
return(serializer.SerializeToString(calendar));
}
public async Task <IActionResult> ExportICal(string calendarItemId)
{
CalendarItem calendarItem = await repository.GetDocument(calendarItemId);
if (calendarItem == null)
{
return(new NotFoundResult());
}
string description = calendarItem.PlainDescription ?? calendarItem.Summary ?? String.Empty;
if (!String.IsNullOrEmpty(calendarItem.UrlTitle))
{
description += " https://robert-brands.com/termine/" + calendarItem.UrlTitle;
}
CalendarEvent e = new CalendarEvent
{
Start = new CalDateTime(calendarItem.StartDate),
End = new CalDateTime(calendarItem.EndDate),
Summary = calendarItem.Title,
Description = description,
Location = calendarItem.Place,
IsAllDay = calendarItem.WholeDay,
Organizer = new Organizer(calendarItem.Host)
};
Ical.Net.Calendar calendar = new Ical.Net.Calendar();
calendar.Events.Add(e);
var serializer = new Ical.Net.Serialization.CalendarSerializer();
string iCal = serializer.SerializeToString(calendar);
return(File(new System.Text.UTF8Encoding().GetBytes(iCal), "text/calendar", "iCal.ics"));
}
// Create a .ics file for calendar events from a date range.
public ActionResult ExportEventsToIcal(DateTime start, DateTime end)
{
// Check if dates are null before doing anything.
if (start == null || end == null)
{
return(SiteErrorHandler.GetBadRequestActionResult("<strong>Error:</strong> No date range provided.", ""));
}
// Get user's calendar entries within the date range.
List <CalEntry> userEntries = _scheduleRepository.GetAllUserEntries(User.Identity.GetUserId(), start, end);
// Check if there are any diary entries to sync.
if (userEntries == null)
{
return(SiteErrorHandler.GetBadRequestActionResult("<strong>Error:</strong> No calendar events to sync.", ""));
}
// Create iCal.
var iCal = new Ical.Net.Calendar()
{
ProductId = "ASP.Net Diary Scheduler",
Version = "2.0"
};
// Create a new event for each calendar entry.
foreach (CalEntry entry in userEntries)
{
// Create event.
var evt = iCal.Create <Ical.Net.CalendarComponents.CalendarEvent>();
// Prepare ical event.
evt.Uid = entry.CalendarEntryId.ToString();
evt.Start = new Ical.Net.DataTypes.CalDateTime(entry.DateFrom);
evt.End = new Ical.Net.DataTypes.CalDateTime(entry.DateTo);
evt.Description = entry.Description;
evt.Summary = entry.Title;
evt.IsAllDay = entry.AllDay;
}
// Build the .ics file.
Ical.Net.Serialization.SerializationContext ctx = new Ical.Net.Serialization.SerializationContext();
var serialiser = new Ical.Net.Serialization.CalendarSerializer(ctx);
string output = serialiser.SerializeToString(iCal);
string contentType = "text/calendar";
var bytes = System.Text.Encoding.UTF8.GetBytes(output);
// Create a name.
Guid fileId = Guid.NewGuid();
string fileName = fileId.ToString() + ".ics";
return(File(bytes, contentType, fileName));
}
public static string SerializeCalendar(Ical.Net.Calendar calendar)
{
try
{
var serializer = new Ical.Net.Serialization.CalendarSerializer(calendar);
return(serializer.SerializeToString(calendar));
}
catch (Exception)
{
return(null);
}
}
public static string SerializeCalendar(Ical.Net.Calendar calendar)
{
try
{
var serializer = new Ical.Net.Serialization.CalendarSerializer();
return(serializer.SerializeToString(calendar));
}
catch (Exception ex)
{
LogManager.GetLogger("ASC.Calendar").Error(ex);
return(null);
}
}
public static string SerializeCalendar(Ical.Net.Calendar calendar)
{
try
{
var serializer = new Ical.Net.Serialization.CalendarSerializer();
return(StringUtils.NormalizeStringForMySql(serializer.SerializeToString(calendar)));
}
catch (Exception ex)
{
Log.Error(ex);
return(null);
}
}
// Create a .ics file for a calendar event.
public ActionResult ExportEventToIcal(Guid id)
{
// Check if an id was sent.
if (id == Guid.Empty)
{
return(SiteErrorHandler.GetBadRequestActionResult("<strong>Error:</strong> Invalid calendar event id.", ""));
}
var entry = _scheduleRepository.GetCalendarEntry(id);
if (entry == null)
{
return(SiteErrorHandler.GetBadRequestActionResult("<strong>Error:</strong> The calendar event could not be found.", ""));
}
// Create iCal.
var iCal = new Ical.Net.Calendar()
{
ProductId = "ASP.Net Diary Scheduler",
Version = "2.0"
};
// Create event.
var evt = iCal.Create <Ical.Net.CalendarComponents.CalendarEvent>();
// Prepare ical event.
evt.Uid = entry.CalendarEntryId.ToString();
evt.Start = new Ical.Net.DataTypes.CalDateTime(entry.DateFrom);
evt.End = new Ical.Net.DataTypes.CalDateTime(entry.DateTo);
evt.Description = entry.Description;
evt.Summary = entry.Title;
evt.IsAllDay = entry.AllDay;
// Build the .ics file.
var ctx = new Ical.Net.Serialization.SerializationContext();
var serialiser = new Ical.Net.Serialization.CalendarSerializer(ctx);
string output = serialiser.SerializeToString(iCal);
string contentType = "text/calendar";
var bytes = System.Text.Encoding.UTF8.GetBytes(output);
// Create a name.
Guid fileId = Guid.NewGuid();
string fileName = fileId.ToString() + ".ics";
return(File(bytes, contentType, fileName));
}
/// <summary>
/// Create the <see cref="CalendarIcalViewModel"/> using the <see cref="Ical.Net.Calendar"/>.
/// </summary>
/// <param name="iCal">The calendar to generate an ics from.</param>
/// <returns>THe <see cref="CalendarIcalViewModel"/> holding the ics data.</returns>
private CalendarIcalViewModel CreateCalendarIcalViewModelFromIcal(Ical.Net.Calendar iCal)
{
var fileData = new CalendarIcalViewModel();
Ical.Net.Serialization.SerializationContext ctx = new Ical.Net.Serialization.SerializationContext();
var serialiser = new Ical.Net.Serialization.CalendarSerializer(ctx);
string output = serialiser.SerializeToString(iCal);
fileData.ContentType = "text/calendar";
fileData.Data = System.Text.Encoding.UTF8.GetBytes(output);
// Create a name.
Guid fileId = Guid.NewGuid();
fileData.FileName = fileId.ToString() + ".ics";
return(fileData);
}
private string generateIcal(List <AppointmentInfo> appointments)
{
var calendar = new Ical.Net.Calendar();
calendar.AddTimeZone(new Ical.Net.CalendarComponents.VTimeZone("Europe/Berlin")); //bringt das was? Muss fast das ical checken...
foreach (var appointment in appointments)
{
var newEvent = new Ical.Net.CalendarComponents.CalendarEvent();
newEvent.Summary = appointment.Name;
newEvent.Location = appointment.Location;
newEvent.Start = new Ical.Net.DataTypes.CalDateTime(appointment.DatStart);
newEvent.End = new Ical.Net.DataTypes.CalDateTime(appointment.DatEnd);
newEvent.Description = appointment.Description;
calendar.Events.Add(newEvent);
}
var calendarSerializer = new Ical.Net.Serialization.CalendarSerializer();
var icalString = calendarSerializer.SerializeToString(calendar);
return(icalString);
}
