main.py 文件源码

def SellStake():
  user_id = users.get_current_user().user_id()
  user_key = ndb.Key('Profile', user_id)
  current_user = user_key.get()
  prediction_key = ndb.Key(urlsafe=request.form['prediction_id'])
  prediction = prediction_key.get()
  portfolio = GetUserPortfolioByAuth(request.form['prediction_id'])
  for ledger in portfolio:
      if ledger.contract_one > 0:
          contract = 'CONTRACT_ONE'
          quantity = ledger.contract_one
      else:
          contract = 'CONTRACT_TWO'
          quantity = ledger.contract_two
  trade = Trade(
      prediction_id=prediction_key,
      user_id=user_key,
      direction='SELL',
      contract=contract,
      quantity=float(quantity))
  err = CreateTradeAction(prediction, current_user, trade)
  if err != 'error':
      flash('You sold your stake!')
  return redirect('/users/me')