async def buyStock(self, user_id: str, stock_name: str, stock_amount: int, stock_price: float) -> str:
if self.outTime():
return "不在交易时间内"
dbo = DataBaseOperator()
if not dbo.searchOne(StockInformation, StockInformation.stock_name, stock_name):
return "订单失败，请先添加自选股"
else:
aoi = dbo.searchAll(AliveOrder)
if aoi:
alive_order_index = aoi[-1].alive_order_index + 1
else:
alive_order_index = 1
obj = dbo.searchOne(StockInformation, StockInformation.stock_name, stock_name)
stock_id = obj.stock_id
order_money_amount = stock_amount * stock_price
free_money_amount = dbo.searchOne(UserInformation, UserInformation.user_id, user_id).free_money_amount
if free_money_amount < order_money_amount:
return "购买订单创建失败，可支配金额不足"
else:
alive_order = AliveOrder(user_id=user_id, alive_order_index=alive_order_index,
alive_order_time=datetime.now(),
buy_or_sell=True, stock_id=stock_id,
stock_name=stock_name, stock_price=stock_price,
stock_amount=stock_amount,
order_money_amount=order_money_amount)
dbo.add(alive_order)
flushAliveOrders()
return "购买订单创建成功\n股票：{}\n股数：{}\n预定价格：{}\n总价格：{}\n".format(stock_name, str(stock_amount),
str(stock_price),
str(order_money_amount))
async def searchStock(self):
dbo = DataBaseOperator()
objs = dbo.searchAll(StockInformation)
rst = "股票名 价格 涨跌幅 更新时间\n"
for obj in objs:
rst += str(obj) + "\n--------\n"
return rst
def flushStockInformation():
dbo = DataBaseOperator()
dbo.delete(StockInformation, StockInformation.stock_name, "API缺少该股信息")
stock_list = dbo.searchAll(StockInformation)
for stock in stock_list:
try:
df = ts.get_realtime_quotes(stock.stock_id)
stock.stock_name = df['name'][0]
stock.now_price = float(df['price'])
stock.flush_time = datetime.strptime(
df['date'][0] + " " + df['time'][0], '%Y-%m-%d %H:%M:%S')
try:
stock.up_down_rate = 100 * (float(df['price'][0]) - float(
df['pre_close'][0])) / float(df['pre_close'][0])
except:
stock.up_down_rate = 0
except:
stock.stock_name = "API缺少该股信息"
stock.now_price = 9999
stock.flush_time = datetime.now()
stock.up_down_rate = 0
dbo.update()
flushAliveOrders()
global timer
timer = threading.Timer(global_flush_time * 60, flushStockInformation)
async def sellStock(self, user_id: str, stock_name: str, stock_amount: int, stock_price: float) -> str:
if self.outTime():
return "不在交易时间内"
dbo = DataBaseOperator()
stock_amount_obj = dbo.searchOneWithTwoFields(UserHoldings, UserHoldings.stock_name, stock_name,
UserHoldings.user_id, user_id)
if not stock_amount_obj:
return "卖出订单创建失败，您没有购买该支股票"
else:
now = datetime.now().strftime('%Y-%m-%d')
bought_time = stock_amount_obj.bought_time.strftime('%Y-%m-%d')
if now == bought_time:
return "卖出订单创建失败，您必须在购买成功后的T+1日才能卖出"
if stock_amount > stock_amount_obj.stock_amount:
return "卖出订单创建失败，您没有足够的持仓，当前持仓为：" + str(stock_amount_obj.stock_amount)
else:
aoi = dbo.searchAll(AliveOrder)
if aoi:
alive_order_index = aoi[-1].alive_order_index + 1
else:
alive_order_index = 1
stock_id = dbo.searchOne(StockInformation, StockInformation.stock_name, stock_name).stock_id
alive_order = AliveOrder(user_id=user_id, alive_order_index=alive_order_index,
alive_order_time=datetime.now(),
buy_or_sell=False, stock_id=stock_id,
stock_name=stock_name, stock_price=stock_price,
stock_amount=stock_amount,
order_money_amount=stock_amount * stock_price)
dbo.add(alive_order)
flushAliveOrders()
return "卖出订单创建成功\n股票：{}\n股数：{}\n预定价格：{}\n总价格：{}\n".format(stock_name, str(stock_amount),
str(stock_price),
str(stock_amount * stock_price))
def flushAliveOrders():
dbo = DataBaseOperator()
dbo.delete(AliveOrder, AliveOrder.is_alive, False)
dbo.delete(UserHoldings, UserHoldings.stock_amount, 0)
order_list = dbo.searchAll(AliveOrder)
for order in order_list:
# True是买入
if order.buy_or_sell:
stock = dbo.searchOne(StockInformation, StockInformation.stock_id,
order.stock_id)
print(stock.now_price, order.stock_price, stock.stock_name)
if stock.now_price <= order.stock_price:
# 买入
user = dbo.searchOne(UserInformation, UserInformation.user_id,
order.user_id)
service_charge = order.order_money_amount * 0.0003
if service_charge < 5:
service_charge = 5
order.order_money_amount = order.stock_amount * stock.now_price
if order.order_money_amount <= user.free_money_amount + service_charge:
user.free_money_amount -= (order.order_money_amount +
service_charge)
order.is_alive = False
holdings = dbo.searchOneWithTwoFields(
UserHoldings, UserHoldings.user_id, order.user_id,
UserHoldings.stock_name, order.stock_name)
if holdings:
holdings.stock_amount += order.stock_amount
holdings.bought_price = order.stock_price
holdings.bought_total_price += order.order_money_amount
else:
holdings = UserHoldings(order.user_id,
order.stock_name,
order.stock_amount,
stock.stock_price,
order.order_money_amount,
datetime.now())
dbo.add(holdings)
dbo.update()
else:
continue
# 卖出订单：
# 查询表UserInformation的now_price，如果价格低于order的价格，continue
# 否则，查询user_holdings的stock_amount字段，比较order的amount和holdings的amount，如果order的大，continue。
# 否则，user的free_money_amount字段+=order的money_amount字段-手续费。holdings-=amount，order的is_alive设为false
else:
stock = dbo.searchOne(StockInformation, StockInformation.stock_id,
order.stock_id)
if stock.now_price > order.stock_price:
holdings = dbo.searchOne(UserHoldings, UserHoldings.user_id,
order.user_id)
if holdings.stock_amount >= order.stock_amount:
service_charge = order.stock_amount * stock.now_price * 0.0013
if service_charge < 5:
service_charge = 5
user = dbo.searchOne(UserInformation,
UserInformation.user_id,
order.user_id)
user.free_money_amount += stock.now_price * order.stock_amount - service_charge
holdings.stock_amount -= order.stock_amount
order.is_alive = False
else:
continue
else:
continue
dbo.update()