public async Task UnfreezeLecture(int lectureHistoryId)
{
LecturesHistory toUnfreeze = await _db.LecturesHistories.SingleOrDefaultAsync(lh => lh.Id == lectureHistoryId);
toUnfreeze.IsFrozen = false;
await _db.SaveChangesAsync();
}
public async Task SetLectureAsFrozen(int lectureHistoryId)
{
LecturesHistory toFreeze = await _db.LecturesHistories.SingleOrDefaultAsync(lh => lh.Id == lectureHistoryId);
toFreeze.IsFrozen = true;
await _db.SaveChangesAsync();
}
