From 1fe1d13c600b7dfe421b3b99b833b7d5d1232724 Mon Sep 17 00:00:00 2001
From: Dennis Fink
Date: Thu, 23 Jul 2026 00:18:21 +0200
Subject: Add GPX trail maps to blog posts

This adds a trail flow block so posts can include attached GPX files as
interactive maps with route display, elevation charts, activity
summaries, and start/finish markers.

The trail assets are loaded only when needed, keeping the shared
templates clean while vendoring the Leaflet dependencies required for
offline, self-hosted map rendering.
---
 templates/blog.html | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'templates/blog.html')

diff --git a/templates/blog.html b/templates/blog.html
index 4c011a1..3e187cb 100644
--- a/templates/blog.html
+++ b/templates/blog.html
@@ -2,6 +2,18 @@
 
 {% from "macros/blog.html" import render_blog_index %}
 
+{% set features = namespace(trail=false) %}
+
+{% for post in this.pagination.items %}
+  {% for block in post.body.blocks %}
+    {% if block._flowblock == "trail" %}
+      {% set features.trail = true %}
+    {% endif %}
+  {% endfor %}
+{% endfor %}
+
+{% set needs_trail_assets = features.trail %}
+
 {% block meta %}
   {{ super() }}
   <meta property="og:type" content="website">
-- 
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