# -*- coding: utf-8 -*-
from .common import TYPES




class BaseFilterMixin(object):
    def get_context_data(self, **kwargs):
        context = super(BaseFilterMixin, self).get_context_data(**kwargs)
        if self.event_type is not None:
            context['event_type'] = self.event_type
        context['can_filter'] = True
        return context


class ConfFilterMixin(BaseFilterMixin):
    event_type = TYPES.CONF


class ExpoFilterMixin(BaseFilterMixin):
    event_type = TYPES.EXPO


class SearchFilterMixin(BaseFilterMixin):
    event_type = None