tree view for topics

markdownblog/blog/templatetags/tree_utils.py

@@ -0,0 +1,16 @@
+from django import template
+
+from blog.models import Topic
+from django.db.models import QuerySet
+
+register = template.Library()
+
+
+@register.filter
+def has_children(value) -> bool:
+    return not len(Topic.objects.filter(rootTopic=value)) == 0
+
+
+@register.filter
+def all_children(value) -> QuerySet:
+    return Topic.objects.filter(rootTopic=value)

markdownblog/blog/views.py

@@ -15,7 +15,8 @@ def viewblog(request) -> HttpResponse:
 
 @login_required
 def order(request):
-    return render(request, 'blog/order.html')
+    context = {'roottopics': Topic.objects.all().filter(rootTopic=None)}
+    return render(request, 'blog/order.html', context)
 
 
 @login_required
@@ -42,7 +43,6 @@ def addpost(request) -> HttpResponse:
 
 
 def createmocks(request, objtype, n) -> HttpResponse:
-
     topics = TopicFactory.create_batch(n)
 
     for topic in topics: