Feature/redirect successful post requests#56

Created by: wasabideveloper

Implements enhancement #56 (closed)

• ran check
• ran tests
• ran flake8
• tested views by hand:
  • /orders/new#existing_excerpt [get]
  • /orders/new [post]
  • /orders/{id} [get]

Reviewed by:

• @das-g
• @njordan-hsr

osmaxx-py/osmaxx/excerptexport/views.py

@@ -48,7 +48,7 @@ class NewExtractionOrderView(LoginRequiredMixin, FrontendAccessRequiredMixin, Vi
 
     def post(self, request):
         export_options_form = ExportOptionsForm(request.POST)
-        if request.POST['form-mode'] == 'existing-excerpt':
+        if export_options_form.is_valid():
             export_options = export_options_form.get_export_options(excerptexport_settings.EXPORT_OPTIONS)
 
             extraction_order = None