+ return JSONResponse(images)
+ except (IndexError, OSError), exc:
+ import traceback
+ traceback.print_exc()
+ raise http.Http404
+
+
+@never_cache
+def document_diff(request, name):
+ storage = getstorage()
+
+ revA = int(request.GET.get('from', 0))
+ revB = int(request.GET.get('to', 0))
+
+ if revA > revB:
+ revA, revB = revB, revA
+
+ if revB == 0:
+ revB = None
+
+ docA = storage.get_or_404(name, int(revA))
+ docB = storage.get_or_404(name, int(revB))
+
+ return http.HttpResponse(nice_diff.html_diff_table(docA.plain_text.splitlines(),
+ docB.plain_text.splitlines()))
+
+
+@never_cache
+def document_history(request, name):
+ storage = getstorage()
+ return JSONResponse(storage.history(name))
+
+
+@require_POST
+def document_add_tag(request, name):
+ storage = getstorage()
+
+ form = DocumentTagForm(request.POST)
+ if form.is_valid():
+ doc = storage.get_or_404(name, form.cleaned_data['version'])
+ doc.add_tag(form.cleaned_data['tag'])
+ return JSONResponse({"message": _("Tag added")})
+ else:
+ return JSONFormInvalid(form)
+
+
+@require_POST
+def document_publish(request, name, version):
+ storage = getstorage()
+
+ # get the document
+ document = storage.get_or_404(name, revision=int(version))
+
+ api = wlapi.WLAPI(settings.WL_API_CONFIG)
+ try:
+ return JSONResponse({"result": api.publish_book(document)})
+ except wlapi.APICallException, e:
+ return JSONServerError({"message": str(e)})