from django.db import transaction
from django.views.generic import View

from boards import utils, settings
from boards.models.user import Ban


BAN_REASON_SPAM = 'Autoban: spam bot'

CONTEXT_FORM = 'form'


class BaseBoardView(View):

    def get_context_data(self, **kwargs):
        return dict()

    @transaction.atomic
    def _ban_current_user(self, request):
        """
        Add current user to the IP ban list
        """

        ip = utils.get_client_ip(request)
        whitelist = settings.get_list('Forms', 'BanWhitelist')
        if not ip in whitelist:
            ban, created = Ban.objects.get_or_create(ip=ip)
            if created:
                ban.can_read = False
                ban.reason = BAN_REASON_SPAM
            ban.save()