boards/views/all_tags.py

from django.shortcuts import render

from boards.views.base import BaseBoardView
from boards.models.tag import Tag


PARAM_TAGS = 'all_tags'
PARAM_QUERY = 'query'


class AllTagsView(BaseBoardView):

    def get(self, request, query=None):
        params = dict()

        if query == 'required':
            params[PARAM_TAGS] = Tag.objects.filter(required=True)
        else:
            params[PARAM_TAGS] = Tag.objects.get_not_empty_tags()
        params[PARAM_QUERY] = query

        return render(request, 'boards/tags.html', params)