def buy_stock(self, tag, qty):
if tag.available >= qty:
price = tag.price * qty
if price <= self.cash:
stock = self.stock_set.filter("tag =", tag).get()
if stock:
stock.quantity += qty
stock.purchase_price = max(stock.purchase_price, tag.price)
stock.put()
else:
stock = Stock(user=self, tag=tag, quantity=qty, purchase_price=tag.price)
msg = Message.create_message_without_put(self, "Purchased %d of %s for %s (%s per stock)" % (qty, tag.name, currency(price), currency(tag.price)))
self.cash -= price
tag.available -= qty
db.put([stock, self, tag, msg])
return True
return False
def pay_dividend(self, stock, paid_dividend):
msg = Message.create_message_without_put(self, 'Received dividend of %s for owning %d of %s' % (currency(paid_dividend), stock.quantity, stock.tag.name))
self.cash += paid_dividend
db.put([self, msg])
def pay_for_offer(self, offer, qty, price):
logging.info("Offers found, now fulfilling each offer")
stock = self.stock_set.filter('tag =', offer.tag).get()
logging.info("We have a stock %s" % (stock))
if stock and stock.quantity >= qty:
total = qty * price
msg = Message.create_message_without_put(self, 'Offer accepted for %d of %s at %s' % (qty, offer.tag.name, currency(total)))
self.cash += total
stock.quantity -= qty
stock.on_offer -= qty
db.put([self, msg, stock])
return True
return False