Wiki: find index pages in folders automatically

Cancel that previous change, this is a better way of doing it.

tildes/tildes/resources/group.py

@@ -4,7 +4,7 @@
 """Root factories for groups."""
 
 from marshmallow.fields import String
-from pyramid.httpexceptions import HTTPMovedPermanently
+from pyramid.httpexceptions import HTTPMovedPermanently, HTTPNotFound
 from pyramid.request import Request
 from sqlalchemy_utils import Ltree
 from webargs.pyramidparser import use_kwargs
@@ -44,4 +44,16 @@ def group_wiki_page_by_path(request: Request, wiki_page_path: str) -> GroupWikiP
         GroupWikiPage.group == group, GroupWikiPage.path == wiki_page_path
     )
 
+    # try to return the page with the exact path, but catch if it doesn't exist
+    try:
+        return get_resource(request, query)
+    except HTTPNotFound:
+        pass
+
+    # if it didn't exist, try treating it as a folder and looking for an index page
+    wiki_page_path += "/index"
+    query = request.query(GroupWikiPage).filter(
+        GroupWikiPage.group == group, GroupWikiPage.path == wiki_page_path
+    )
+
     return get_resource(request, query)

tildes/tildes/templates/group_wiki_page.jinja2

@@ -20,7 +20,7 @@
   </li>
   {% for folder in page.folders %}
     <li class="breadcrumb-item">
-      <a href="{{ request.route_url("group_wiki_page", group_path=page.group.path, wiki_page_path=folder~"/index") }}">{{ folder.name }}</a>
+      <a href="{{ request.route_url("group_wiki_page", group_path=page.group.path, wiki_page_path=folder|string) }}">{{ folder.name }}</a>
     </li>
   {% endfor %}
 </ol>