views.py 文件源码

def talk_email(request):
    talks = Talk.objects.filter(pk__in=request.session.get('talk-email-list', []))
    count = talks.annotate(speakers_count=Count('speakers', distinct=True)).aggregate(Sum('speakers_count'))['speakers_count__sum']
    if not talks.exists():
        messages.error(request, _('Please select some talks.'))
        return redirect('talk-list')
    form = SendTalkMailForm(request.POST or None, initial=request.session.get('talk-email-stored'), talks=talks)
    if request.method == 'POST' and form.is_valid():
        subject = form.cleaned_data['subject']
        body = form.cleaned_data['body']
        request.session['talk-email-stored'] = {'subject': subject, 'body': body}
        if form.cleaned_data['confirm']:
            sent = talk_email_send(talks, subject, body)
            messages.success(request, _('%(count)d mails have been sent.') % {'count': sent})
            del request.session['talk-email-list']
            return redirect('talk-list')
        else:
            messages.info(request, _('Your ready to send %(count)d emails.') % {'count': count})
    else:
        form.fields.pop('confirm')
    return render(request, 'cfp/staff/talk_email.html', {
        'talks': talks,
        'form': form,
    })