# Direct reviewers to underreviewed proposals

    too_few_set = REVIEW_STATUS_FILTERS[TOO_FEW](queryset)

    indifferent_set = REVIEW_STATUS_FILTERS[INDIFFERENT](queryset)

    if len(too_few_set) > 0:

        queryset = too_few_set

    elif len(indifferent_set) > 0:

        queryset = indifferent_set

    # Realistically, there shouldn't be all that many proposals to choose

    # from, so this should be cheap.

    chosen = random.choice(queryset.all())

    return redirect("review_detail", pk=chosen.pk)

@login_required

def review_list(request, section_slug, user_pk):

    # if they're not a reviewer admin and they aren't the person whose

    # review list is being asked for, don't let them in

    if not request.user.has_perm("reviews.can_manage_%s" % section_slug):

        if not request.user.pk == user_pk:

            return access_not_permitted(request)

    queryset = ProposalBase.objects.select_related("speaker__user", "result")

    reviewed = LatestVote.objects.filter(user__pk=user_pk).values_list("proposal", flat=True)

    queryset = queryset.filter(pk__in=reviewed)

    proposals = queryset.order_by("submitted")

    admin = request.user.has_perm("reviews.can_manage_%s" % section_slug)

    proposals = proposals_generator(request, proposals, user_pk=user_pk, check_speaker=not admin)

    ctx = {

        "proposals": proposals,

    }

    return render(request, "symposion/reviews/review_list.html", ctx)

@login_required

def review_admin(request, section_slug):

    if not request.user.has_perm("reviews.can_manage_%s" % section_slug):

        return access_not_permitted(request)

    def reviewers():

        already_seen = set()

        for team in Team.objects.filter(permissions__codename="can_review_%s" % section_slug):

            for membership in team.memberships.filter(Q(state="member") | Q(state="manager")):

                user = membership.user

                if user.pk in already_seen:

                    continue

                already_seen.add(user.pk)

                user.comment_count = Review.objects.filter(

                    user=user,

                    proposal__kind__section__slug=section_slug,

                ).count()

                user_votes = LatestVote.objects.filter(

                    user=user,

                    proposal__kind__section__slug=section_slug,

                )

                user.total_votes = user_votes.exclude(

                    vote=LatestVote.VOTES.ABSTAIN,

                ).count()

                user.plus_two = user_votes.filter(

                    vote=LatestVote.VOTES.PLUS_TWO,

                ).count()

                user.plus_one = user_votes.filter(

                    vote=LatestVote.VOTES.PLUS_ONE,

                ).count()

                user.minus_one = user_votes.filter(

                    vote=LatestVote.VOTES.MINUS_ONE,

                ).count()

                user.minus_two = user_votes.filter(

                    vote=LatestVote.VOTES.MINUS_TWO,

                ).count()

                user.abstain = user_votes.filter(

                    vote=LatestVote.VOTES.ABSTAIN,

                ).count()

                if user.total_votes == 0:

                    user.average = "-"

                else:

                    user.average = (

                        ((user.plus_two * 2) + user.plus_one) -

                        ((user.minus_two * 2) + user.minus_one)

                    ) / (user.total_votes * 1.0)

                yield user

    reviewers_sorted = list(reviewers())

    ctx = {

        "section_slug": section_slug,

        "reviewers": reviewers_sorted,

    }

    return render(request, "symposion/reviews/review_admin.html", ctx)

# FIXME: This view is too complex according to flake8

@login_required

def review_detail(request, pk):

    proposals = ProposalBase.objects.select_related("result").select_subclasses()

    proposal = get_object_or_404(proposals, pk=pk)

    if not request.user.has_perm("reviews.can_review_%s" % proposal.kind.section.slug):

        return access_not_permitted(request)

    speakers = [s.user for s in proposal.speakers()]

    if not request.user.is_superuser and request.user in speakers:

        return access_not_permitted(request)

    admin = request.user.has_perm("reviews.can_manage_%s" % proposal.kind.section.slug)

    try:

        latest_vote = LatestVote.objects.get(proposal=proposal, user=request.user)

    except LatestVote.DoesNotExist:

        latest_vote = None

    if request.method == "POST":

        if request.user in speakers:

            return access_not_permitted(request)

        if "vote_submit" in request.POST or "vote_submit_and_random" in request.POST:

            review_form = ReviewForm(request.POST)

            if review_form.is_valid():

                review = review_form.save(commit=False)

                review.user = request.user

                review.proposal = proposal

                review.save()

                if "vote_submit_and_random" in request.POST:

                    next_page = redirect("user_random", proposal.kind.section.slug)

                    next_page["Location"] += "#invalid_fragment"  # Hack.

                else:

                    next_page = redirect(request.path)

                return next_page

            else:

                message_form = SpeakerCommentForm()

        elif "message_submit" in request.POST and admin:

            message_form = SpeakerCommentForm(request.POST)

            if message_form.is_valid():

                message = message_form.save(commit=False)

                message.user = request.user

                message.proposal = proposal

                message.save()

                for speaker in speakers:

                    if speaker and speaker.email:

                        ctx = {

                            "proposal": proposal,

                            "message": message,

                            "reviewer": False,

                        }

                        send_email(

                            [speaker.email], "proposal_new_message",

                            context=ctx

                        )

                return redirect(request.path)

            else:

                initial = {}

                if latest_vote:

                    initial["vote"] = latest_vote.vote

                if request.user in speakers:

                    review_form = None

                else:

                    review_form = ReviewForm(initial=initial)

        elif "result_submit" in request.POST:

            if admin:

                result = request.POST["result_submit"]

                if result == "accept":

                    proposal.result.status = "accepted"

                    proposal.result.save()

                elif result == "reject":

                    proposal.result.status = "rejected"

                    proposal.result.save()

                elif result == "undecide":

                    proposal.result.status = "undecided"

                    proposal.result.save()

                elif result == "standby":