public void DeleteActivityHistory(long logId)
{
ActivityLogData log = getActivityLog(logId);
if (log is QLogData)
{
ICollection <AnswerByPhoneData> answersData = ((QLogData)log).studentsAnswers;
deleteAnswers(answersData);
}
ActivityLogs.Remove(log);
SaveChanges();
}
public static ActivityLog getActivityLogFromData(ActivityLogData activityLogData)
{
ActivityLog al = new ActivityLog();
al.ActivityName = activityLogData.ActivityName;
al.date = activityLogData.date;
al.expID = activityLogData.expID;
al.id = activityLogData.id;
al.isMainActivity = activityLogData.isMainActivity;
al.RoomId = activityLogData.RoomId;
return al;
}
public void addActivityLog(ActivityLogData activityLog)
{
ActivityLogs.Add(activityLog);
SaveChanges();
}