55 lines
1.8 KiB
Python
55 lines
1.8 KiB
Python
import requests
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from games.models import ExchangeRate, Purchase
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# fixme: save preferred currency in user model
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currency_to = "CZK"
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def save_converted_info(purchase, converted_price, converted_currency):
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purchase.converted_price = converted_price
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purchase.converted_currency = converted_currency
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purchase.save()
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def update_converted_prices():
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purchases = (
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Purchase.objects.filter(
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converted_price__isnull=True, converted_currency__isnull=True
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)
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.exclude(price_currency__iexact=currency_to)
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.exclude(price=0)
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)
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for purchase in purchases:
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year = purchase.date_purchased.year
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currency_from = purchase.price_currency
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exchange_rate = ExchangeRate.objects.filter(
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currency_from=currency_from, currency_to=currency_to, year=year
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).first()
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if not exchange_rate:
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try:
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response = requests.get(
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f"https://cdn.jsdelivr.net/npm/@fawazahmed0/currency-api@{year}-01-01/v1/currencies/{currency_from}.json"
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)
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response.raise_for_status()
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data = response.json()
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rate = data[currency_from].get(currency_to)
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if rate:
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exchange_rate = ExchangeRate.objects.create(
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currency_from=currency_from,
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currency_to=currency_to,
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year=year,
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rate=rate,
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)
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except requests.RequestException as e:
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print(
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f"Failed to fetch exchange rate for {currency_from}->{currency_to} in {year}: {e}"
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)
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if exchange_rate:
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save_converted_info(
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purchase, purchase.price * exchange_rate.rate, currency_to
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)
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