public async Task <bool> CancelMeeting(int meetingId, int userId, int schoolId, int currentUserId, bool isRejected = false)
{
var meeting = await database.UserRepository.Get <Meeting>(meetingId);
var school = await database.SchoolRepository.Get <School>(schoolId);
if (isRejected && currentUserId == meeting.ArrangedBy)
{
return(false);
}
if (currentUserId != meeting.UserId && currentUserId != userId && currentUserId != school.OwnerId)
{
return(false);
}
if (!school.Meetings.Any(m => m.Id == meetingId && m.UserId == userId && m.SchoolId == schoolId))
{
return(false);
}
if (meeting.Accepted && isRejected)
{
return(false);
}
database.UserRepository.Remove(meeting);
if (!await database.Complete())
{
return(false);
}
if (currentUserId == school.OwnerId)
{
if (!isRejected)
{
await notificationSystem.PushNotification(userId, StaticExpressions.MeetingCancelledByOwner(school.Name));
}
else
{
await notificationSystem.PushNotification(userId, StaticExpressions.MeetingRejectedByOwner(school.Name));
}
}
else
{
if (!isRejected)
{
await notificationSystem.PushNotification(school.OwnerId, StaticExpressions.MeetingCancelled);
}
else
{
await notificationSystem.PushNotification(school.OwnerId, StaticExpressions.MeetingRejected);
}
}
return(true);
}