From 7db7c6706517e32f7186f5af50f431288e422686 Mon Sep 17 00:00:00 2001
From: Martin Green <martin.speleo@gmail.com>
Date: Fri, 24 Jun 2022 19:28:31 +0100
Subject: [PATCH] Added link to parent cave in menu

---
 core/views/expo.py       |  9 ++++++++-
 templates/caveindex.html | 10 +++++++++-
 templates/menu.html      | 20 +++++++++++++++++++-
 3 files changed, 36 insertions(+), 3 deletions(-)

diff --git a/core/views/expo.py b/core/views/expo.py
index 330733e..05f9499 100644
--- a/core/views/expo.py
+++ b/core/views/expo.py
@@ -174,10 +174,17 @@ def expowebpage(request, expowebpath, path):
     menumatch = re.match(r'(.*)<ul id="links">', body, re.DOTALL + re.IGNORECASE)
     if menumatch:
         has_menu = True
+    
+    m = re.search(r"(162\d\/[^\/]+)[\/\.]", path, re.DOTALL + re.IGNORECASE)
+    if m:
+        path_start, = m.groups()
+        parent_caves = Cave.objects.filter(url__startswith = path_start)
+    else:
+        parent_caves = None
         
     handbook = path.startswith("handbook")
     return render(request, 'expopage.html', {'editable': editable, 'path': path, 'title': title, 
-                'body': body, 'homepage': (path == "index.htm"), 'has_menu': has_menu, 'handbook': handbook})
+                'body': body, 'homepage': (path == "index.htm"), 'has_menu': has_menu, 'handbook': handbook, 'parent_caves': parent_caves})
  
 def mediapage(request, subpath=None, doc_root=None):
     '''This is for special prefix paths /photos/ /site_media/, /static/ etc.
diff --git a/templates/caveindex.html b/templates/caveindex.html
index b4c4ee3..ec17baf 100644
--- a/templates/caveindex.html
+++ b/templates/caveindex.html
@@ -36,7 +36,15 @@
 <table class="searchable">
 {% for cave in caves1623 %}
 
-  <tr><td> <a href="{{ cave.url }}">{% if cave.kataster_number %}{{ cave.kataster_number }} {{cave.official_name|safe}}</a> {% if cave.unofficial_number %}({{cave.unofficial_number }}){% endif %}{% else %}{{cave.unofficial_number }} {{cave.official_name|safe}}</a> {% endif %}</td></tr>
+  <tr><td> <a href="{{ cave.url }}">
+      {% if cave.kataster_number %}
+          {{ cave.kataster_number }} {{cave.official_name|safe}}</a> 
+          {% if cave.unofficial_number %}
+              ({{cave.unofficial_number }})
+          {% endif %}
+      {% else %}
+          {{cave.unofficial_number }} {{cave.official_name|safe}}</a> 
+      {% endif %}</td></tr>
 
 {% endfor %}
 </table>
diff --git a/templates/menu.html b/templates/menu.html
index b02bf76..92ab7df 100644
--- a/templates/menu.html
+++ b/templates/menu.html
@@ -13,7 +13,25 @@
 </ul>
 {% endif%}</li>
 <li><a href="/handbook/computing/onlinesystems.html">Online systems</a></li>
-<li><a href="/caves">Caves</a></li>
+<li><a href="/caves">Caves</a>
+{% if parent_caves %}
+<ul>
+{% for parent_cave in parent_caves %}
+        <li><a href="/{{ parent_cave.url }}">
+      {% if parent_cave.kataster_number %}
+          {{ parent_cave.kataster_number }} {{parent_cave.official_name|safe}}</a> 
+          {% if parent_cave.unofficial_number %}
+              ({{parent_cave.unofficial_number }})
+          {% endif %}
+      {% else %}
+          {{parent_cave.unofficial_number }} {{parent_cave.official_name|safe}}</a> 
+      {% endif %}</li>
+      {% ifequal parent_cave.kataster_number "161" %}
+      <li><a href="/1623/161/names.htm">KH Glossary</a></li>
+      {% endifequal %}
+{% endfor %}
+</ul>
+{% endif%}</li>
 <li><a href="/infodx.htm">Site index</a></li>
 <li><a href="/pubs.htm">Reports</a></li>
 <li><a href="/guidebook/areas.htm">Areas</a></li>