def _diff_post(revision,last_revision,use_default=False,render_mode=False,is_answer=False):
title_diff = None
body_diff = None
tags_diff = None
descs = []
if use_default:
title_diff = revision.title
body_diff = revision.html
tags_diff = mark_safe(tags_html(revision.tagname_list()))
if last_revision is not None:
if not is_answer and last_revision.title != revision.title:
title_diff = mark_safe(htmldiff(revision.title,last_revision.title ))
descs.append( _("edited title"))
if revision.html != last_revision.html:
if not render_mode:#markdown diff
body_diff = mark_safe(htmldiff(revision.body,last_revision.body ))
else:#render html diff
revision_html = static_content(revision.html,"markdown")
last_revision_html = static_content(last_revision.html,"markdown")
body_diff = htmldiff(revision_html,last_revision_html,render_mode=True )
descs.append(_("edited body"))
current_tags = " ".join(revision.tagname_list())
last_tags = " ".join(last_revision.tagname_list())
if last_tags != current_tags:
tags_diff = tagsdiff(current_tags,last_tags)
tags_diff = mark_safe(tags_html(tags_diff))
descs.append(_("edited tags"))
return (title_diff,body_diff,tags_diff,",".join(descs))
def revisions(request, id ):
post = get_object_or_404(Node, id=id).leaf
revisions = list(post.revisions.exclude(suggest_status="pendding").order_by('revised_at'))
rev_ctx = []
last_revision = None
title_diff,body_diff,tags_diff = (None,None,None)
edit_desc = None
for i, revision in enumerate(revisions):
if i > 0 :
(title_diff,body_diff,tags_diff,edit_desc) = _diff_post(revision,last_revision,use_default=True)
else:
(title_diff,body_diff,tags_diff) = (revision.title,revision.html,mark_safe(tags_html(revision.tagname_list())))
rev_ctx.append(dict(inst=revision))
rev_ctx[i]['title'] = title_diff
rev_ctx[i]['html'] = body_diff
rev_ctx[i]['tags'] = tags_diff
if len(revision.summary) == 0:
rev_ctx[i]['summary'] = edit_desc
else:
rev_ctx[i]['summary'] = revision.summary
last_revision = revision
rev_ctx.reverse()
return render_to_response('revisions.html', {
'post': post,
'revisions': rev_ctx,
'is_post':True,
}, context_instance=RequestContext(request))
