# -*- coding: utf-8 -*-

from .models import Currency
from .utils import get_currency_code
from .conf import SESSION_KEY


def currencies(request):
    request.session.setdefault(SESSION_KEY, get_currency_code(False))

    try:
        currency = Currency.active.get(
            code__iexact=request.session[SESSION_KEY])
    except Currency.DoesNotExist:
        currency = None

    return {
        'CURRENCIES': Currency.active.all(),  # get all active currencies
        'CURRENCY_CODE': request.session[SESSION_KEY],
        'CURRENCY': currency,  # for backward compatibility
    }