public EventNotificationInformation DeleteEventLocally(IDatabaseContext context, Event @event)
{
// Backup data relevant for sending notifications
EventNotificationInformation notificationInformation = ExtractNotificationInformation(@event);
// Participations for the event
List <EventParticipation> participations = @event.EventParticipations.ToList();
context.EventParticipations.RemoveRange(participations);
// Appointments of the even
foreach (Appointment eventAppointment in @event.Appointments.ToList())
{
// Ignore notification information as we don't send appointment canceled if the whole event gets deleted
DeleteAppointmentLocally(context, eventAppointment);
}
// Invitations to the event
context.EventInvitations.RemoveRange(@event.EventInvitations);
// Event itself
context.Events.Remove(@event);
return(notificationInformation);
}
public async Task <IActionResult> DeleteEvent(int eventId)
{
IDatabaseContext context = _getDatabaseContext();
Event? @event = await context.Events
.Include(e => e.Organizer)
.Include(e => e.EventInvitations)
.Include(e => e.EventParticipations)
.ThenInclude(ep => ep.Participant)
.Include(e => e.Appointments)
.ThenInclude(a => a.AppointmentParticipations)
.Include(e => e.ChatMessages)
.FirstOrDefaultAsync(e => e.Id == eventId);
if (@event == null)
{
return(BadRequest(RequestStringMessages.EventNotFound));
}
if (@event.OrganizerId != HttpContext.GetUserId())
{
_logger.LogInformation("{0}(): Tried to delete event {1}, which he's not organizing", nameof(DeleteEvent), @event.Id);
return(BadRequest(RequestStringMessages.OrganizerRequired));
}
EventNotificationInformation notificationInformation = _deleteService.DeleteEventLocally(context, @event);
await context.SaveChangesAsync();
_auditLogger.LogInformation("{0}(): Deleted event {1}", nameof(DeleteEvent), @event.Id);
await _notificationService.NotifyEventDeletedAsync(notificationInformation);
return(Ok());
}
public List <EventNotificationInformation> DeleteUserLocally(IDatabaseContext context, User user)
{
// Backup data relevant for sending notifications
var deletedEventNotificationInfos = new List <EventNotificationInformation>();
foreach (Event organizedEvent in user.OrganizedEvents.ToList())
{
EventNotificationInformation deletedInfo = DeleteEventLocally(context, organizedEvent);
deletedEventNotificationInfos.Add(deletedInfo);
}
// Token based relations
context.Sessions.RemoveRange(user.Sessions);
context.PasswordResets.RemoveRange(user.PasswordResets);
// Event participations the user is part of
context.EventParticipations.RemoveRange(user.EventParticipations);
// Appointment participations the user is part of
List <AppointmentParticipation> userAppointmentParticipations = user.AppointmentParticipations.ToList();
context.AppointmentParticipations.RemoveRange(userAppointmentParticipations);
// User himself
context.Users.Remove(user);
return(deletedEventNotificationInfos);
}
