def METHOD_NAME(request, conference_slug, proposal_slug, comment_id, up_vote):
    conference = get_object_or_404(Conference, slug=conference_slug)
    proposal = get_object_or_404(Proposal, slug=proposal_slug, conference=conference)
    proposal_comment = get_object_or_404(
        ProposalComment, proposal=proposal, id=comment_id
    )
    METHOD_NAME, created = ProposalCommentVote.objects.get_or_create(
        proposal_comment=proposal_comment, voter=request.user
    )
    METHOD_NAME.up_vote = up_vote
    METHOD_NAME.save()
    return HttpResponse(proposal_comment.get_votes_count())