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402 righe
18 KiB
402 righe
18 KiB
import sqlite3 as sqlite
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from sqlalchemy.exc import SQLAlchemyError
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from sqlalchemy import and_
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from be.model import postgreSQLORM
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from be.model.postgreSQLORM import Store_Book
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from be.model.postgreSQLORM import New_Order_Detail
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from be.model.postgreSQLORM import New_Order
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from be.model.postgreSQLORM import User
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import uuid
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import json
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import logging
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import time
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from be.model import db_conn
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from be.model import error
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from datetime import datetime
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import threading
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from datetime import timedelta
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to_be_overtime={}
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def overtime_append(key,value):#对to_be_overtime进行操作
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global to_be_overtime
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if key in to_be_overtime:
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to_be_overtime[key].append(value)
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else:
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to_be_overtime[key]=[value]
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class TimerClass(threading.Thread):
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def __init__(self):
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threading.Thread.__init__(self)
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self.event = threading.Event()
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def thread(self):
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# threading.Thread(target=Buyer().auto_cancel(to_be_overtime[(datetime.utcnow() + timedelta(seconds=1)).second])).start()
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# 上面这个，有利有弊利是超过一秒也能处理 弊是每有任何一次路由访问就要延时开一次线程次数秒
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Buyer().auto_cancel(to_be_overtime[(datetime.utcnow() + timedelta(seconds=1)).second])
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def run(self): # 每秒运行一次 将超时订单删去
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global to_be_overtime
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# schedule.every().second.do(thread)#每秒开一个线程去auto_cancel,做完的线程自动退出
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while not self.event.is_set():
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self.event.wait(1)
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if (datetime.utcnow() + timedelta(seconds=1)).second in to_be_overtime:
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self.thread()
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# schedule.run_pending()
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def cancel_timer(self):
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self.event.set()
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# tmr = TimerClass()#####################在无需测试自动取消订单test时删去 单独测取消订单请在test.sh中用
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# #coverage run --timid --branch --source fe,be --concurrency=thread -m pytest -v -k fe/test/test_new_order.py --ignore=fe/data
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# tmr.start()###################在无需测试自动取消订单test时删去
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def tostop():
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global tmr
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tmr.cancel_timer()
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def jwt_encode(user_id: str, terminal: str) -> str:
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encoded = jwt.encode(
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{"user_id": user_id, "terminal": terminal, "timestamp": time.time()},
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key=user_id,
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algorithm="HS256",
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)
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return encoded.decode("utf-8")
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# decode a JWT to a json string like:
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# {
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# "user_id": [user name],
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# "terminal": [terminal code],
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# "timestamp": [ts]} to a JWT
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# }
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def jwt_decode(encoded_token, user_id: str) -> str:
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decoded = jwt.decode(encoded_token, key=user_id, algorithms="HS256")
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return decoded
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class DateEncoder(json.JSONEncoder):
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def default(self, obj):
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if isinstance(obj, datetime):
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return obj.strftime("%Y-%m-%d %H:%M:%S")
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else:
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return json.JSONEncoder.default(self, obj)
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class Buyer(db_conn.DBConn):
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def __init__(self):
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db_conn.DBConn.__init__(self)
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def new_order(self, user_id: str, store_id: str, id_and_count: [(str, int)]) -> (int, str, str):
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order_id = ""
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try:
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if not self.user_id_exist(user_id):
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return error.error_non_exist_user_id(user_id) + (order_id, )
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if not self.store_id_exist(store_id):
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return error.error_non_exist_store_id(store_id) + (order_id, )
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uid = "{}_{}_{}".format(user_id, store_id, str(uuid.uuid1()))
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# print("touch0")
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for book_id, count in id_and_count:
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row = self.session.query(postgreSQLORM.Store_Book).filter(and_(postgreSQLORM.Store_Book.store_id==store_id,postgreSQLORM.Store_Book.book_id==book_id)).first()
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# cursor = self.conn.execute(
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# "SELECT book_id, stock_level, book_info FROM store "
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# "WHERE store_id = ? AND book_id = ?;",
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# (store_id, book_id))
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# row = cursor.fetchone()
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if row is None:
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return error.error_non_exist_book_id(book_id) + (order_id, )
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# stock_level = row[1]
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# book_info = row[2]
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stock_level = row.stock_level
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book_info = row.book_info
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book_info_json = json.loads(book_info)
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price = book_info_json.get("price")
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if stock_level < count:
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return error.error_stock_level_low(book_id) + (order_id,)
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# print("touch2")
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row = self.session.query(Store_Book).filter(and_(Store_Book.store_id==store_id,Store_Book.book_id==book_id,Store_Book.stock_level>=count)).update({'stock_level':Store_Book.stock_level-count})
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# cursor = self.conn.execute(
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# "UPDATE store set stock_level = stock_level - ? "
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# "WHERE store_id = ? and book_id = ? and stock_level >= ?; ",
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# (count, store_id, book_id, count))
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# if cursor.rowcount == 0:
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# print("touch3")
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if row == 0:
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return error.error_stock_level_low(book_id) + (order_id, )
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# print("touch4")
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new_order_detail_entity = New_Order_Detail(order_id=uid,book_id=book_id,count=count,price=price)
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# print("touch5")
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row = self.session.add(new_order_detail_entity)
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# self.session.commit()
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# self.conn.execute(
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# "INSERT INTO new_order_detail(order_id, book_id, count, price) "
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# "VALUES(?, ?, ?, ?);",
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# (uid, book_id, count, price))
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# print("touch1")
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timenow = datetime.utcnow()
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creat_time = time.strftime("%Y-%m-%d %H:%M:%S",time.localtime()) ## 订单创建时间
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new_order_entity = New_Order(order_id=uid,store_id=store_id,user_id=user_id,creat_time=creat_time,status=0)
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self.session.add(new_order_entity)
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# self.conn.execute(
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# "INSERT INTO new_order(order_id, store_id, user_id) "
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# "VALUES(?, ?, ?);",
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# (uid, store_id, user_id))
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# self.conn.commit()
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overtime_append(timenow.second,order_id) ##将刚下单的订单加入到overtime中管理
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self.session.commit()
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order_id = uid
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except SQLAlchemyError as e:
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logging.info("528, {}".format(str(e)))
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return 528, "{}".format(str(e)), ""
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except BaseException as e:
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logging.info("530, {}".format(str(e)))
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return 530, "{}".format(str(e)), ""
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return 200, "ok", order_id
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def payment(self, user_id: str, password: str, order_id: str) -> (int, str):
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# conn = self.conn
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session = self.session
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try:
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row = session.query(New_Order).filter(New_Order.order_id==order_id).first()
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# cursor = conn.execute("SELECT order_id, user_id, store_id FROM new_order WHERE order_id = ?", (order_id,))
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# row = cursor.fetchone()
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if row is None:
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return error.error_invalid_order_id(order_id)
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# order_id = row[0]
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# buyer_id = row[1]
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# store_id = row[2]
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order_id = row.order_id
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buyer_id = row.user_id
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store_id = row.store_id
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if buyer_id != user_id:
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return error.error_authorization_fail()
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row = session.query(postgreSQLORM.User).filter(postgreSQLORM.User.user_id==buyer_id).first()
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# cursor = conn.execute("SELECT balance, password FROM user WHERE user_id = ?;", (buyer_id,))
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# row = cursor.fetchone()
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if row is None:
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return error.error_non_exist_user_id(buyer_id)
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# balance = row[0]
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balance = row.balance
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pwd = row.password
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if password != pwd:
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return error.error_authorization_fail()
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row = session.query(postgreSQLORM.User_Store).filter(postgreSQLORM.User_Store.store_id==store_id).first()
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# cursor = conn.execute("SELECT store_id, user_id FROM user_store WHERE store_id = ?;", (store_id,))
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# row = cursor.fetchone()
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if row is None:
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return error.error_non_exist_store_id(store_id)
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# seller_id = row[1]
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seller_id = row.user_id
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if not self.user_id_exist(seller_id):
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return error.error_non_exist_user_id(seller_id)
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row = session.query(New_Order_Detail).filter(New_Order_Detail.order_id==order_id).all()
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# cursor = conn.execute("SELECT book_id, count, price FROM new_order_detail WHERE order_id = ?;", (order_id,))
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total_price = 0
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# for row in cursor:
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# count = row[1]
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# price = row[2]
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# total_price = total_price + price * count
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for i in row:
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count = i.count
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price = i.price
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total_price = total_price + price * count
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if balance < total_price:
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return error.error_not_sufficient_funds(order_id)
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# print('touch0')
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## 买家扣钱
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row = session.query(User).filter(and_(User.balance>=total_price,User.user_id==buyer_id)).update({'balance':User.balance-total_price})
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# cursor = conn.execute("UPDATE user set balance = balance - ?"
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# "WHERE user_id = ? AND balance >= ?",
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# (total_price, buyer_id, total_price))
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# if cursor.rowcount == 0:
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if row == 0:
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return error.error_not_sufficient_funds(order_id)
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# print('touch1')
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## 卖家加钱
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row = session.query(User).filter(User.user_id==seller_id).update({'balance':User.balance+total_price})
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# cursor = conn.execute("UPDATE user set balance = balance + ?"
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# "WHERE user_id = ?",
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# (total_price, buyer_id))
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# if cursor.rowcount == 0:
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if row == 0:
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return error.error_non_exist_user_id(buyer_id)
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# print('touch2')
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# row = session.query(New_Order).filter(New_Order.order_id==order_id).delete() 不在删除而是修改订单状态
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row = session.query(New_Order).filter(New_Order.order_id==order_id).update({'status':1})
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# cursor = conn.execute("DELETE FROM new_order WHERE order_id = ?", (order_id, ))
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# if cursor.rowcount == 0:
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if row == 0:
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return error.error_invalid_order_id(order_id)
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# row = session.query(New_Order_Detail).filter(New_Order_Detail.order_id==order_id).delete()
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# cursor = conn.execute("DELETE FROM new_order_detail where order_id = ?", (order_id, ))
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# if cursor.rowcount == 0:
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if row == 0:
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return error.error_invalid_order_id(order_id)
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# conn.commit()
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session.commit()
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except SQLAlchemyError as e:
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return 528, "{}".format(str(e))
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except BaseException as e:
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return 530, "{}".format(str(e))
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return 200, "ok"
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def add_funds(self, user_id, password, add_value) -> (int, str):
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try:
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row = self.session.query(postgreSQLORM.User).filter(postgreSQLORM.User.user_id==user_id).first()
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# cursor = self.conn.execute("SELECT password from user where user_id=?", (user_id,))
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# row = cursor.fetchone()
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if row is None:
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return error.error_authorization_fail()
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pwd = row.password
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if pwd != password:
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return error.error_authorization_fail()
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row = self.session.query(postgreSQLORM.User).filter_by(user_id=user_id).update({'balance':postgreSQLORM.User.balance+add_value,'user_id':user_id})
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# cursor = self.conn.execute(
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# "UPDATE user SET balance = balance + ? WHERE user_id = ?",
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# (add_value, user_id))
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if row == 0:
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return error.error_non_exist_user_id(user_id)
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self.session.commit()
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# self.conn.commit()
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except SQLAlchemyError as e:
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return 528, "{}".format(str(e))
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except BaseException as e:
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return 530, "{}".format(str(e))
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return 200, "ok"
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def take_over(self, user_id, order_id):
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session = self.session
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try:
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if not self.user_id_exist(user_id):
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return error.error_non_exist_user_id(user_id)
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row = session.query(New_Order).filter(and_(New_Order.order_id==order_id,New_Order.user_id==user_id)).first()
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if row is None:
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return error.error_invalid_order_id(order_id)
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if row.status != 2:
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return error.error_invalid_order_id(order_id)
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row = session.query(New_Order).filter(and_(New_Order.order_id==order_id,New_Order.user_id==user_id)).update({'status':3})
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if row == 0:
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return error.error_invalid_order_id(order_id)
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session.commit()
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except SQLAlchemyError as e:
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return 528, "{}".format(str(e))
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except BaseException as e:
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# print('touch3')
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return 530, "{}".format(str(e))
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return 200, "ok"
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def order_cancel(self, user_id, order_id):
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session = self.session
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try:
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if not self.user_id_exist(user_id):
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return error.error_non_exist_user_id(user_id)
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row = session.query(New_Order).filter(and_(New_Order.order_id==order_id,New_Order.user_id==user_id)).first()
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if row is None:
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return error.error_invalid_order_id(order_id)
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if row.status != 0:
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return error.error_invalid_order_id(order_id)
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store_id = row.store_id
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row2 = session.query(New_Order_Detail).filter(New_Order_Detail.order_id==order_id).first()
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book_id = row2.book_id
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count = row2.count
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row3 = session.query(Store_Book).filter(and_(Store_Book.store_id==store_id,Store_Book.book_id==book_id)).update({'stock_level':Store_Book.stock_level+count})
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row = session.query(New_Order).filter(and_(New_Order.order_id==order_id,New_Order.user_id==user_id)).update({'status':-1})
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if row == 0:
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return error.error_invalid_order_id(order_id)
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session.commit()
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except SQLAlchemyError as e:
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return 528, "{}".format(str(e))
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except BaseException as e:
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# print('touch3')
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return 530, "{}".format(str(e))
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return 200, "ok"
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def history_order(self, user_id):
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session = self.session
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try:
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if not self.user_id_exist(user_id):
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return error.error_non_exist_user_id(user_id)
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row = session.query(New_Order).filter(New_Order.user_id==user_id).first()
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if row is None:
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return error.error_non_exist_user_id(user_id)
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row = session.query(New_Order).filter(New_Order.user_id==user_id).order_by(New_Order.creat_time.desc()).all()
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order_ids = []
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for i in row:
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order_ids.append(i.order_id)
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session.commit()
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except SQLAlchemyError as e:
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return 528, "{}".format(str(e))
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except BaseException as e:
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# print('touch3')
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return 530, "{}".format(str(e))
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return 200, "ok", order_ids
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def auto_cancel(self,order_id_list):#自动取消订单
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exist_order_need_cancel=0
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try:
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for order_id in order_id_list:
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row = self.session.query(New_Order).filter(New_Order.order_id==order_id).first()
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if row is None:
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return error.error_invalid_order_id(order_id)
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#是否属于未付款订单
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if row.status == 0:
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timenow = datetime.utcnow()
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check_time = time.strftime("%Y-%m-%d %H:%M:%S",time.localtime())
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creat_time = row.creat_time
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time_1_struct = datetime.strptime(creat_time, "%Y-%m-%d %H:%M:%S")
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time_2_struct = datetime.strptime(check_time, "%Y-%m-%d %H:%M:%S")
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seconds = (time_2_struct - time_1_struct).seconds
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if seconds>= 30: ## 订单超过30秒为付款自动取消
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store_id = row.store_id
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row3 = self.session.query(New_Order).filter(New_Order_Detail.order_id==order_id).first()
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book_id = row3.book_id
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count = row3.count
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self.session.query(Store_Book).filter(and_(Store_Book.store_id==store_id,Store_Book.book_id==book_id)).update({'stock_level':Store_Book.stock_level+count})
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self.session.query(New_Order).filter(New_Order.order_id==order_id).update({'status':-1})
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exist_order_need_cancel = 1
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self.session.commit()
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except SQLAlchemyError as e:
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return 528, "{}".format(str(e))
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except BaseException as e:
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# print('touch3')
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return 530, "{}".format(str(e))
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return 'no_such_order' if exist_order_need_cancel==0 else "auto_cancel_done"
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