views.py 文件源码

def proposal_leave(request, pk):
    queryset = ProposalBase.objects.select_related("speaker")
    proposal = get_object_or_404(queryset, pk=pk)
    proposal = ProposalBase.objects.get_subclass(pk=proposal.pk)

    try:
        speaker = proposal.additional_speakers.get(user=request.user)
    except ObjectDoesNotExist:
        return HttpResponseForbidden()
    if request.method == "POST":
        proposal.additional_speakers.remove(speaker)
        # @@@ fire off email to submitter and other speakers
        messages.success(request, "You are no longer speaking on %s" % proposal.title)
        return redirect("dashboard")
    ctx = {
        "proposal": proposal,
    }
    return render(request, "proposals/proposal_leave.html", ctx)