Add RefreshPageView class

app/views.py

@@ -84,6 +84,57 @@ class ReindexPageView(TemplateView):
         return HttpResponsePermanentRedirect(reverse('admin:index'))
 
 
+class RefreshPageView(TemplateView):
+    template_name = ""
+
+    def get_context_data(self, **kwargs):
+        context = super().get_context_data(**kwargs)
+        return context
+
+    def post(self, request):
+        global c_progress
+        c_progress = 0
+
+        def generate():
+            stats = []
+            total = 0
+            for fmt in DATAFORMATS:
+                global c_filename
+                c_filename = fmt['filename']
+                filename = get_datafile(fmt)
+                c = 1
+                c_counter = 0
+                rd = refresh_data(filename, fmt)
+                while c is not None:
+                    try:
+                        c, p = next(rd)
+                    except Exception as e:
+                        yield 'error: %s' % str(e)
+                        #traceback.print_exc()
+                        return
+                    if isinstance(c, (int, float)):
+                        global c_progress
+                        c_counter = c
+                        if isinstance(p, (int, float)):
+                            c_progress = p
+                        yield str(c) + "\n\n"
+                    elif isinstance(p, str) and isinstance(c, str):
+                        # Error condition
+                        yield p + ": " + c + "\n\n"
+                        return
+
+                stats.append({'format': fmt['dataformat'], 'count': c_counter})
+                print("Refresh: %d counted at %s" % (c_counter, fmt['dataformat']))
+                total = total + c_counter
+
+            yield "done: %d objects updated" % total
+            print("Refresh: %d objects updated" % total)
+
+            c_progress = 0
+            c_filename = ""
+        return HttpResponse(generate(), content_type='text/html')
+
+
 class ConfigurationPageView(TemplateView):
     template_name = "app/admin/config.html"