check if etherpad server works and agenda and protocol links are available.

fet2020/posts/views.py

@@ -1,21 +1,21 @@
 from django.shortcuts import render
 from django.http import HttpResponse, JsonResponse, HttpResponseServerError
-from django_filters.rest_framework import DjangoFilterBackend
-# from django.core.cache import cache
 from django.utils.text import slugify
 from django.utils import timezone
 
-from taggit.models import Tag
+from collections import deque
+from django_filters.rest_framework import DjangoFilterBackend
 from rest_framework import viewsets
-# from rest_framework import permissions
+from taggit.models import Tag
 
 from .models import Post, PostSerializer, FetMeeting
-from members.models import Member, JobMember
-# from documents import add_ep_to_response, get_ep_sessionid2
 from documents import get_pad_link
 from documents.etherpadlib import add_ep_cookie
+from members.models import Member, JobMember
 
-from collections import deque
+import logging
+
+logger = logging.getLogger(__name__)
 
 
 ##################
@@ -78,18 +78,34 @@ def show(request, id=None):
     if post_author:
         author_image = post_author.image['avatar'].url
 
+    ep_agenda_link = None
+    ep_protocol_link = None
+
+    if p.has_agenda and p.agenda_key:
+        ep_agenda_link = get_pad_link(p.agenda_key)
+
+    if p.has_protocol and p.protocol_key:
+        ep_protocol_link = get_pad_link(p.protocol_key)
+
     context = {
         "post": p,
         "author_image": author_image,
         "next": get_next_dict(p),
         "related_posts": p.tags.similar_objects(),
-        "ep_agenda_link": get_pad_link(p.agenda_key),
+        "ep_agenda_link": ep_agenda_link,
-        "ep_protocol_link": get_pad_link(p.protocol_key),
+        "ep_protocol_link": ep_protocol_link,
     }
 
     response = render(request, 'posts/show.html', context)
 
-    return add_ep_cookie(request, response)
+    # check if etherpad server works
+    if ep_agenda_link or ep_protocol_link:
+        try:
+            response = add_ep_cookie(request, response)
+        except Exception as e:
+            logger.info("Etherpad Server doesn't work. Error: {}".format(e))
+
+    return response
 
 
 ###########