From 1e8fbdcf775e4843295760a7192b54e0cff95dbc Mon Sep 17 00:00:00 2001
From: Flancian <0@flancia.org>
Date: Mon, 16 Nov 2020 15:51:34 +0100
Subject: [PATCH] Add very basic GET-based /search.

---
 app/agora.py                | 7 +++++++
 app/db.py                   | 4 ++++
 app/templates/subnodes.html | 6 ++++++
 3 files changed, 17 insertions(+)

diff --git a/app/agora.py b/app/agora.py
index f734120..ccf5678 100644
--- a/app/agora.py
+++ b/app/agora.py
@@ -71,14 +71,20 @@ def wikilink(node):
 def subnode(subnode):
     return render_template('subnode_rendered.html', subnode=db.subnode_by_uri(subnode), backlinks=db.subnodes_by_outlink(subnode))
 
+@bp.route('/search/<query>')
+def search(query):
+    return render_template('subnodes.html', subnodes=db.search_subnodes(query))
+
 @bp.route('/asset/<user>/<asset>')
 def asset(user, asset):
     # An asset is a binary in someone's garden/<user>/assets directory.
+    # Currently unused.
     path = '/'.join(["garden", user, 'assets', asset])
     return current_app.send_static_file(path)
 
 @bp.route('/raw/<node>')
 def raw(node):
+    # Currently unused.
     # hack hack
     # outlinks
     return Response("\n\n".join([str(n.outlinks) for n in db.nodes_by_wikilink(node)]), mimetype="text/plain")
@@ -87,4 +93,5 @@ def raw(node):
 
 @bp.route('/backlinks/<node>')
 def backlinks(node):
+    # Currently unused.
     return render_template('nodes.html', nodes=db.nodes_by_outlink(node))
diff --git a/app/db.py b/app/db.py
index 9026342..4e532a5 100644
--- a/app/db.py
+++ b/app/db.py
@@ -173,6 +173,10 @@ def subnodes_by_wikilink(wikilink, fuzzy_matching=True):
         subnodes = [subnode for subnode in all_subnodes() if subnode.wikilink == wikilink]
     return subnodes
 
+def search_subnodes(query):
+    subnodes = [subnode for subnode in all_subnodes() if re.search(query, subnode.content)]
+    return subnodes
+
 def subnodes_by_user(user):
     subnodes = [subnode for subnode in all_subnodes() if subnode.user == user]
     return subnodes
diff --git a/app/templates/subnodes.html b/app/templates/subnodes.html
index f639ef5..20a9758 100644
--- a/app/templates/subnodes.html
+++ b/app/templates/subnodes.html
@@ -17,6 +17,12 @@
 {% extends "base.html" %}
 <h1> Subnodes </h1>
 {% block content %}
+{% if not subnodes %}
+No subnodes found for the given term or path.
+<br /><br />
+Go back to <a href="/nodes">/nodes</a>?
+{% endif %}
+
 {% for subnode in subnodes %}
 (user: {{subnode.user}}) {{ subnode.uri }}: <a href="{{subnode.url}}">{{subnode.wikilink}}</a><br />
 {% endfor %}