def get_next_duties_for_particular_student(self, student_id): q = DutyQuery() return q.get_next_duties_for_particular_student(student_id)
def get_prev_duties(self): q = DutyQuery() return q.get_prev_duties()
def get_next_duties(self): q = DutyQuery() return q.get_next_duties()
def update_duty_by_id(self, duty): q = DutyQuery() return q.update_duty_by_id(duty)
def delete_duty_by_id(self, duty_id): q = DutyQuery() return q.delete_duty_by_id(duty_id)
def get_duties_by_s_id(self, student_id): q = DutyQuery() return q.get_duties_by_s_id(student_id)
def get_duty_by_id(self, duty_id): q = DutyQuery() return q.get_duty_by_id(duty_id)
def insert_duty(self, duty): q = DutyQuery() return q.insert_duty(duty)