next post function

fet2020/posts/models.py

@@ -15,6 +15,10 @@ class PostManager(models.Manager):
     def get_queryset(self):
         return super().get_queryset()
 class NewsPostManager(models.Manager):
+    """
+    Provide a query set only for "News"
+    regular meetings should not be contained in the news stream
+    """
     def get_queryset(self):
         return super().get_queryset().filter(~Q(is_fetsitzung=True))
 

fet2020/posts/views.py

@@ -8,10 +8,23 @@ from rest_framework import viewsets
 from rest_framework import permissions
 
 from django_filters.rest_framework import DjangoFilterBackend
+from django.core.cache import cache
+
+def get_next_dict():
+    posts=Post.news_objects.order_by('-public_date').values('slug')
+    print(posts)
+    d={}
+    print(d)
+    for k,v in enumerate(posts):
+        if k ==len(posts)-1:
+            break        
+        d[v['slug']]=posts[k+1]['slug']
+    print(d)
+    return d
 
 # Create your views here.
 def index(request):
-    posts=deque(Post.objects.all())
+    posts=deque(Post.objects.order_by('-public_date').all())
     f=lambda p: p.tags 
     t=map(f, posts)
     
@@ -22,13 +35,11 @@ def tags(request,tag=""):
     return render(request, 'posts/index.html', {"posts": posts, "tags_list":None })
     
 def show(request,id=None):
-    print("id: %s" % id)
-    print("is_digit:%s" % id.isdigit())
     if id.isdigit() or id is int:
         p=Post.objects.get(id=int(id))
     elif id != ""and not id is None:
         p=Post.objects.get(slug=(id))
-    return render(request, 'posts/show.html', {"post":p})
+    return render(request, 'posts/show.html', {"post":p,"next":get_next_dict().get(p.slug,None)})
 
 
 class PostViewSet(viewsets.ModelViewSet):