Patch: fix non-existent nodes.

app/agora.py

@@ -20,8 +20,6 @@ from . import db
 from . import forms
 from . import util
 bp = Blueprint('agora', __name__)
-
-
 G = db.G
 
 

app/db.py

@@ -50,8 +50,7 @@ class Graph:
     def node(self, uri):
         # looks up a node by uri (essentially [[wikilink]]).
         # horrible
-        nodes = self.nodes()
-        return nodes_by_wikilink(uri)[0]
+        return wikilink_to_node(uri)
 
     def nodes(self, include_journals=True):
         # returns a list of all nodes
@@ -285,7 +284,8 @@ def wikilink_to_node(node):
         return nodes_by_wikilink(node)[0]
     except (KeyError, IndexError):
         # We'll handle 404 in the template, as we want to show backlinks to non-existent nodes.
-        return False
+        # Return an empty.
+        return Node(node)
 
 def subnodes_by_wikilink(wikilink, fuzzy_matching=True):
     if fuzzy_matching:

app/templates/node_rendered.html

@@ -16,11 +16,12 @@
 
 {% extends "base.html" %}
 {% block content %}
-{% if not node %}
+
+{% if not node.subnodes %}
 <div class="not-found">
-No node found at [[{{node}}]]. 
+No node found at [[{{node.uri}}]]. 
 <br /><br />
-If you <a href="https://flancia.org/go/agora">contributed a subnode</a> that mapped to '{{node}}' in the Agora, this node would exist :)
+If you <a href="https://flancia.org/go/agora">contributed a subnode</a> that mapped to '{{node.uri}}' in the Agora, this node would exist :)
 <br /><br />
 Try listing all <a href="/nodes">nodes</a> or perhaps <a href="/search">search</a>.
 </div>