# -*- coding: utf-8 -*-
from django.core.management.base import NoArgsCommand
from django.db.models import Q, F
from django.db import transaction

from events.common import GetCourse
from exposition.models import Exposition
from conference.models import Conference

converter = GetCourse(nocache=True)


class Command(NoArgsCommand):
    def handle_noargs(self, **options):
        with transaction.commit_manually():
            for x in Exposition.objects.all().only('currency', 'min_closed_area'):
                x.price_rub = converter.convert_or_null(x.currency, x.min_closed_area)
                x.price_eur = converter.convert_to_eur_or_null(x.price_rub)
                x.save(update_fields=['price_rub', 'price_eur'])
            for x in Conference.objects.all().only('currency', 'min_price'):
                x.price_rub = converter.convert_or_null(x.currency, x.min_price)
                x.price_eur = converter.convert_to_eur_or_null(x.price_rub)
                x.save(update_fields=['price_rub', 'price_eur'])
            transaction.commit()
        # , Conference]:
        #     model.objects.