def data_edit(request, hash):
chart = Chart.get_by_id(pretty_decode(hash))
if chart.user != request.g_app_user:
return HttpResponse("nacho chart")
if request.method == "POST":
old_dataset = chart.data or None
if chart.data:
fs = DataRowFormSet(data=request.POST, instances=chart.data.data_rows)
else:
fs = DataRowFormSet(data=request.POST)
if fs.is_valid():
keys = []
for form in fs.forms:
if hasattr(form, "cleaned_data"):
dr = DataRow(**form.cleaned_data)
keys.append(dr.save())
version = old_dataset.version + 1 if old_dataset else 1
cds = ChartDataSet(version=version, previous_version=old_dataset, data_rows=keys)
cds.save()
chart.data = cds
chart.has_data = True
chart.save()
return HttpResponseRedirect(reverse("chart-detail", args=(chart.get_hash(),)))
else:
if chart.data:
fs = DataRowFormSet(instances=chart.data.data_rows)
else:
fs = DataRowFormSet()
return render_to_response("charter/data_edit.html", {"formset": fs, "user": request.g_app_user})
