def issue_add_edit(request, polity_id, issue_id=None, documentcontent_id=None):
polity = get_object_or_404(Polity, id=polity_id)
# Make sure that user is allowed to do this.
if polity.is_newissue_only_officers and request.user not in polity.officers.all():
raise PermissionDenied()
if issue_id:
issue = get_object_or_404(Issue, id=issue_id, polity_id=polity_id)
current_content = issue.documentcontent
# We don't want to edit anything that has already been processed.
if issue.is_processed:
raise PermissionDenied()
else:
issue = Issue(polity=polity)
if documentcontent_id:
try:
current_content = DocumentContent.objects.select_related('document').get(id=documentcontent_id)
except DocumentContent.DoesNotExist:
raise Http404
else:
current_content = None
if request.method == 'POST':
form = IssueForm(request.POST, instance=issue)
if form.is_valid():
issue = form.save(commit=False)
issue.apply_ruleset()
issue.documentcontent = current_content
issue.special_process_set_by = request.user if issue.special_process else None
issue.save()
issue.topics.clear()
for topic in request.POST.getlist('topics'):
issue.topics.add(topic)
return redirect(reverse('issue', args=(polity_id, issue.id)))
else:
# Check if we need to inherit information from previous documentcontent.
if not issue_id and current_content:
name = current_content.name
selected_topics = []
# If this is a new issue, being made from existing content, we
# want to inherit the previously selected topics, and add a
# version number to the name.
if current_content.order > 1:
name += u', %s %d' % (_(u'version'), current_content.order)
selected_topics = current_content.previous_topics()
form = IssueForm(instance=issue, initial={
'name': name,
'description': current_content.comments.replace("\n", "\\n"),
'topics': selected_topics,
})
else:
form = IssueForm(instance=issue)
# Make only topics from this polity available.
form.fields['topics'].queryset = Topic.objects.filter(polity=polity)
ctx = {
'polity': polity,
'issue': issue,
'form': form,
'documentcontent': current_content,
'tab': 'diff' if current_content.order > 1 else '',
}
return render(request, 'issue/issue_form.html', ctx)