def supported_currencies(exchange=None):
if exchange:
currencies = Price.objects(exchange=exchange).distinct(field="currency")
else:
currencies = Price.objects().distinct(field="currency")
if not currencies:
currencies = [currency for currency in constants.CURRENCIES]
return sorted(currencies)
def update_price(exchange, currency, cryptocurrency, current_price):
price = Price.objects(exchange=exchange, currency=currency, cryptocurrency=cryptocurrency).first()
if price:
price.current_price = current_price
price.save()
else:
price = Price(
exchange = exchange,
currency = currency,
cryptocurrency = cryptocurrency,
current_price = current_price,
).save()
def get_current_price(exchange, currency, cryptocurrency):
price = Price.objects(exchange=exchange, currency=currency, cryptocurrency=cryptocurrency).first()
return price.current_price
