from http.client import HTTPException

from day24.model.order_model import Order


def add_student_dao(o,db):
    try:
        o1 = Order( **o)  # 将字典解析成键值对关键字参数输入 title = xxx, userid = XXX
        db.add(o1)
    except:
        db.rollback()
        return False
    else:
        db.commit()
        return True



def update_orders_dao(id,update_data,db):
    try: # 数据更新是有返回值的，返回的是影响的行数
        rows = db.query( Order ).filter( Order.id == id ).update( update_data )
    except:
        db.rollback()
        return False
    else:
        db.commit()
        return rows


def get_orders_dao(order_title,db):
    try:
        r = db.query(Order).filter( Order.title == order_title ).all()
    except:
        db.rollback()
        return False
    else:
        return [{"order_id": i.id, 'order_title': i.title, "user_id": i.userid, "create_date": i.create_date,
                    "update_date": i.update_date} for i in r]


def delete_orders_dao(id,db):
    try:
        r = db.query( Order ).filter( Order.id == id ).delete()
    except:
        db.rollback()
        return False
    else:
        db.commit()
        return True