add command to process location data

billard/admin.py

@@ -1,4 +1,8 @@
-from django.contrib import admin
+from django.conf.urls import url
+from django.contrib import admin, messages
+from django.shortcuts import redirect
+from django.template.response import TemplateResponse
+
 from .models import *
 from django import forms
 from django.core.exceptions import ValidationError
@@ -33,6 +37,16 @@ class ClientAdmin(admin.ModelAdmin):
 
 @admin.register(LocationData)
 class LocationDataAdmin(admin.ModelAdmin):
+    def get_urls(self):
+        urls = super().get_urls()
+        my_urls = [
+            url(r'^process_locationdata/$', self.admin_site.admin_view(self.process_locationdata), name='process_locationdata'),
+        ]
+        return my_urls + urls
+
+    def process_locationdata(self, request):
+        messages.success(request, '2739847239847298374982374 Items prozessiert.')
+        return redirect('admin:billard_locationdata_changelist')
     list_display = ('client_id', 'desk_no', 'tst', 'on_off', 'processed', 'error_msg')
     fields = ['client_id', 'desk_no', 'tst', 'on_off', 'processed', 'error_msg']