def attend(call, lang):
if bool(call.data.get('u_id')):
Course.Attendance(call.data['c_id'], call.data['cw_id'], call.data['u_id']).value = \
not Course.Attendance(call.data['c_id'], call.data['cw_id'], call.data['u_id']).value
else:
for user in Course.Course(call.data['c_id']).participants:
Course.Attendance(call.data['c_id'], call.data['cw_id'], user.id).value = \
not Course.Attendance(call.data['c_id'], call.data['cw_id'], user.id).value
back(call, True)
def new_class(call, lang):
d = UI.to_dtime(time.time())
cw_id = Course.Classwork(call.data['c_id'], name=d, date=d).number
for user in Course.Course(call.data['c_id']).participants:
Course.Attendance(call.data['c_id'], cw_id, user.id).value = 0
back(call, True)
