private static SqlAdunisAppointment ConvertDivAppointment(SqlTimeperiod period, WhAdunisCourse course, AdunisType type)
{
// special handling of modules without appointments
var start = period.Begin.AddDays(-7).SyncWeekday(DayOfWeek.Sunday);
var appointment = new SqlAdunisAppointment
{
Type = type,
CourseName = course.Name,
StartTime = start.Date,
EndTime = period.End,
TermID = period.TermID
};
appointment.SetId();
return(appointment);
}
public void Init(int termId)
{
this.period = this.adunisRepository.RetrieveTimeperiodById(termId);
this.InitWeeks();
}
public async Task <ResultState> UpdateAppointmentsAsync(bool force, SqlTimeperiod period, CancellationToken cancellationToken)
{
if (!force && period.LastAppointmentUpdate > DateTime.UtcNow.Date)
{
return(ResultState.NotModified);
}
if (!this.account.HasAccount)
{
return(ResultState.OAuthExpired);
}
if (!this.device.HasNetworkConnectivity)
{
return(ResultState.ErrorNetwork);
}
if (period.Type != AdunisType.Timetable && period.Type != AdunisType.Exam)
{
return(ResultState.NoData);
}
try
{
var courseData = await this.handler.GetCourseDataAsync(period.Identity, period.ParentTermID, period.Type, cancellationToken);
if (cancellationToken.IsCancellationRequested)
{
return(ResultState.Canceled);
}
var appointments = new List <SqlAdunisAppointment>();
var uniqueDays = new HashSet <DayOfWeek>();
if (courseData == null || !courseData.Any())
{
this.repo.DeleteAppointments(period);
period.SetUniqueDays(uniqueDays);
period.HasAppointments = false;
period.LastAppointmentUpdate = DateTime.UtcNow;
this.repo.UpdateTimeperiod(period);
return(ResultState.NoData);
}
foreach (var course in courseData)
{
foreach (var allocation in course.CourseAllocations)
{
if (allocation.TimeslotId == SpecialTimeSlotId)
{
// courses without appointments (SA, BA, Challenge-Projekt)
appointments.Add(ConvertDivAppointment(period, course, period.Type));
}
else
{
appointments.AddRange(
allocation.Appointments.Select(
appointment => ConvertAppointment(period, course, appointment, period.Type)));
if (allocation.DayOfWeek.HasValue)
{
uniqueDays.Add(allocation.DayOfWeek.Value);
}
}
}
}
if (cancellationToken.IsCancellationRequested)
{
return(ResultState.Canceled);
}
this.repo.PersistAppointments(appointments);
period.SetUniqueDays(uniqueDays.OrderBy(week => ((int)week + 6) % 7));
period.HasAppointments = appointments.Count > 0;
period.LastAppointmentUpdate = DateTime.UtcNow;
this.repo.UpdateTimeperiod(period);
return(ResultState.Success);
}
catch (OAuthExpiredException)
{
return(ResultState.OAuthExpired);
}
catch (Exception ex)
{
// most likely network connectivity problems
this.logging.Exception(this, ex);
return(ResultState.Error);
}
}
public IEnumerable <SqlAdunisAppointment> RetrieveAppointmentsForDay(SqlTimeperiod period, DateTime date) => this.RetrieveAppointmentsForRange(period, date, date.AddDays(1));