from fastapi import Depends,HTTPException

from util.database import get_db

from model.all_model import *


def get_grade_dao( stu_id:int , db):

    r1 =db.query(WlScore).filter(WlScore.stu_id == stu_id,WlScore.delete_status == 0).all()
    if r1:
        return r1
    else:
        raise HTTPException(status_code=404,detail="学生不存在")

def add_grade_dao(g,db):
    try:
        o1 = WlScore(**g)
        db.add(o1)
        db.commit()
        return o1
    except Exception:
        db.rollback()
        return None

def update_grade_dao(score_id:int, update_data, db):
    try:
        rows = db.query(WlScore).filter(
            WlScore.stu_id == score_id,
            WlScore.delete_status == 0
        ).update(update_data)
    except:
        db.rollback()
        return False
    else:
        db.commit()
        return rows

def delete_grade_dao(stu_id:int,db):
    try:
        rows = db.query(WlScore).filter(
            WlScore.stu_id == stu_id,
            WlScore.delete_status == 0
        ).update({'delete_status':1})
    except:
        db.rollback()
        return False
    else:
        db.commit()
        return rows