Move some of the wiki index logic to views

This still isn't great, but a little cleaner.

tildes/tildes/templates/group_wiki_page.jinja2

@@ -42,13 +42,11 @@
 <ul class="nav">
   <li>Page list</li>
   <ul class="nav">
-  {% if page_list|selectattr("page_name", "eq", "index")|list %}
+  {% if has_index_page %}
     <li class="nav-item"><a href="{{ request.route_url("group_wiki_page", group_path=page.group.path, wiki_page_slug="index") }}" class="text-bold">index</a></li>
   {% endif %}
   {% for other_page in page_list %}
-    {% if other_page.page_name != "index" %}
     <li class="nav-item"><a href="{{ request.route_url("group_wiki_page", group_path=other_page.group.path, wiki_page_slug=other_page.slug) }}">{{ other_page.page_name }}</a></li>
-    {% endif %}
   {% endfor %}
   </ul>
 </ul>

tildes/tildes/templates/topic_listing.jinja2

@@ -228,13 +228,11 @@
     <ul class="nav">
       <li>Group wiki pages</li>
       <ul class="nav">
-      {% if wiki_pages|selectattr("page_name", "eq", "index")|list %}
+      {% if wiki_has_index %}
         <li class="nav-item"><a href="{{ request.route_url("group_wiki_page", group_path=group.path, wiki_page_slug="index") }}" class="text-bold">index</a></li>
       {% endif %}
       {% for page in wiki_pages %}
-        {% if page.page_name != "index" %}
         <li class="nav-item"><a href="{{ request.route_url("group_wiki_page", group_path=group.path, wiki_page_slug=page.slug) }}">{{ page.page_name }}</a></li>
-        {% endif %}
       {% endfor %}
       </ul>
     </ul>

tildes/tildes/views/group_wiki_page.py

@@ -40,7 +40,14 @@ def get_group_wiki_page(request: Request) -> dict:
         .all()
     )
 
-    return {"page": page, "page_list": page_list}
+    # remove the index from the page list, we'll output it separately
+    if any(page.slug == "index" for page in page_list):
+        has_index_page = True
+        page_list = [page for page in page_list if page.slug != "index"]
+    else:
+        has_index_page = False
+
+    return {"page": page, "page_list": page_list, "has_index_page": has_index_page}
 
 
 @view_config(

tildes/tildes/views/topic.py

@@ -106,7 +106,7 @@ def get_group_topics(
     unfiltered: bool,
 ) -> dict:
     """Get a listing of topics in the group."""
-    # pylint: disable=too-many-arguments, too-many-branches
+    # pylint: disable=too-many-arguments, too-many-branches, too-many-locals
     if request.matched_route.name == "home":
         # on the home page, include topics from the user's subscribed groups
         # (or all groups, if logged-out)
@@ -176,8 +176,16 @@ def get_group_topics(
             .order_by(GroupWikiPage.slug)
             .all()
         )
+
+        # remove the index from the page list, we'll output it separately
+        if any(page.slug == "index" for page in wiki_pages):
+            wiki_has_index = True
+            wiki_pages = [page for page in wiki_pages if page.slug != "index"]
+        else:
+            wiki_has_index = False
     else:
         wiki_pages = None
+        wiki_has_index = False
 
     return {
         "group": request.context,
@@ -195,6 +203,7 @@ def get_group_topics(
         "tag": tag,
         "unfiltered": unfiltered,
         "wiki_pages": wiki_pages,
+        "wiki_has_index": wiki_has_index,
     }