Also make the community events list data-driven (public-transport#1910)

* Highlight upcoming talks

As the website is rebuild daily already anyway, this will automatically
update itself.

* Also make the community events list data-driven

Easier to maintain and automatically drops past events.

Author: vkrause

website/content/_index.html

@@ -57,11 +57,8 @@ <h2>Public Transport Coverage</h2>
 
 <h2>Upcoming Events</h2>
 <p>Want to meet the Transitous community in person? Some of us will be at the following events:</p>
-<ul>
-  <li><a href="https://fosdem.org/2026">FOSDEM</a>, Jan 31-Feb 1 2026, Brussels, Belgium.</li>
-  <li><a href="https://fossgis-konferenz.de/2026">FOSSGIS-Konferenz</a>, Mar 25-28, Göttingen, Germany.</li>
-  <li><a href="https://wiki.openstreetmap.org/wiki/State_of_the_Map_2026">State of the Map</a>, Aug 28-30, Paris, France.</li>
-</ul>
+
+{{< community-events >}}
 
 <h2>Conference Talks and Presentations</h2>
 <p>Looking for an overview of how this project works? There are several public talks from conferences and meetups that you can watch.</p>

website/data/communityevents.json

@@ -0,0 +1,37 @@
+[
+    {
+        "name": "FOSDEM 2026",
+        "link": "https://fosdem.org/2026",
+        "startDate": "2026-01-31",
+        "endDate": "2026-02-01",
+        "location": "Brussels, Belgium"
+    },
+    {
+        "name": "OSM Hack Weekend Karlsruhe",
+        "link": "https://wiki.openstreetmap.org/wiki/Karlsruhe_Hack_Weekend_February_2026",
+        "startDate": "2026-02-21",
+        "endDate": "2026-02-22",
+        "location": "Karlsruhe, Germany"
+    },
+    {
+        "name": "FOSSGIS-Konferenz 2026",
+        "link": "https://fossgis-konferenz.de/2026",
+        "startDate": "2026-03-25",
+        "endDate": "2026-03-28",
+        "location": "Göttingen, Germany"
+    },
+    {
+        "name": "State of the Map 2026",
+        "link": "https://wiki.openstreetmap.org/wiki/State_of_the_Map_2026",
+        "startDate": "2026-08-28",
+        "endDate": "2026-08-30",
+        "location": "Paris, France"
+    },
+    {
+        "name": "Open Transport Community Conference 2026",
+        "link": "https://open-transport.org",
+        "startDate": "2026-10-06",
+        "endDate": "2026-10-09",
+        "location": "Bern, Switzerland"
+    }
+]

website/layouts/shortcodes/community-events.html

@@ -0,0 +1,20 @@
+<!--
+SPDX-FileCopyrightText: 2026 Volker Krause <vkrause@kde.org>
+SPDX-License-Identifier: AGPL-3.0-or-later
+-->
+
+<ul>
+{{ range $event := $.Site.Data.communityevents }}
+    {{ $eventEnd := time.AsTime $event.endDate }}
+    {{ if gt (time.Now) $eventEnd }}
+        {{ continue }}
+    {{ end }}
+    <li>
+        <a href="{{ .link }}">{{ .name }}</a> — {{ .startDate | time.Format ":date_medium" }}
+        {{ if ne .startDate .endDate }}
+            to {{ .endDate | time.Format ":date_medium" }}
+        {{ end }}
+        in {{ .location }}
+    </li>
+{{ end }}
+</ul>

website/layouts/shortcodes/talks.html

@@ -7,6 +7,10 @@
 
 {{ range $talk := $.Site.Data.talks }}
     {{ $year := (strings.Substr $talk.time 0 4) }}
+    {{ $talkTime := time.AsTime $talk.time }}
+    {{ if lt (time.Now) $talkTime }}
+        {{ $year = "Upcoming" }}
+    {{ end }}
     {{ if ne $year $lastYear }}
         {{ if ne $lastYear "" }}
             </ul>