From db0000244a6f6725b3271ed0bcb1839bb5783ac2 Mon Sep 17 00:00:00 2001
From: jtbx <ccc@jtbx.de>
Date: Fri, 20 Oct 2023 23:36:39 +0200
Subject: [PATCH] Home: Add calendar

---
 .gitignore                                    |  2 ++
 README.md                                     |  2 ++
 content/home/2-kalender/index.md              |  2 +-
 fetch-calendar.sh                             |  9 ++++++++
 hugo.toml                                     |  1 +
 .../layouts/shortcodes/calendar-table.html    | 22 +++++++++++++++++++
 6 files changed, 37 insertions(+), 1 deletion(-)
 create mode 100755 fetch-calendar.sh
 create mode 100644 themes/ccchh/layouts/shortcodes/calendar-table.html

diff --git a/.gitignore b/.gitignore
index 29db922..8b91929 100644
--- a/.gitignore
+++ b/.gitignore
@@ -17,3 +17,5 @@ hugo.linux
 /.hugo_build.lock
 
 # End of https://www.toptal.com/developers/gitignore/api/hugo
+
+data/
diff --git a/README.md b/README.md
index 37240ee..43c8926 100644
--- a/README.md
+++ b/README.md
@@ -24,6 +24,8 @@ All other information like details on groups, projects and recurring events shou
 
 ### Build and Deploy
 
+To populate the calendar data, please run `fetch-calendar.sh` before running hugo.
+
 Running the hugo command without and parameters will re-generate the site in the `public` directory.
 To deploy the website, just copy the whole folder to a directory which is servered by the webserver of your preference.
 
diff --git a/content/home/2-kalender/index.md b/content/home/2-kalender/index.md
index 525fa7c..c374881 100644
--- a/content/home/2-kalender/index.md
+++ b/content/home/2-kalender/index.md
@@ -5,4 +5,4 @@ draft: false
 headless: true
 ---
 
-TODO: Termine (next 5 events or full calendar?)
+{{< calendar-table >}}
diff --git a/fetch-calendar.sh b/fetch-calendar.sh
new file mode 100755
index 0000000..6586fdb
--- /dev/null
+++ b/fetch-calendar.sh
@@ -0,0 +1,9 @@
+#!/bin/sh
+set -eu
+
+ICAL_URL=https://cloud.hamburg.ccc.de/remote.php/dav/public-calendars/6CJcM7XDfoYire5d
+START_TIME=$(date -v-1d +%s) # yesterday
+END_TIME=$(date -v+1m +%s) # now + 1 month
+OUTFILE=data/calendar.json
+
+curl -s $ICAL_URL\?export\&accept=jcal\&expand\=1\&start\=$START_TIME\&end\=$END_TIME | jq '.[2]|map({_type:.[0]}+(.[1]|map({key:.[0],value:.[3]})|from_entries))' > $OUTFILE
diff --git a/hugo.toml b/hugo.toml
index 84ceee6..ab422b6 100644
--- a/hugo.toml
+++ b/hugo.toml
@@ -1,6 +1,7 @@
 baseURL = 'https://hamburg.ccc.de/'
 languageCode = 'de-de'
 defaultContentLanguage = 'de'
+timeZone = 'Europe/Berlin'
 title = 'CCC Hansestadt Hamburg e.V.'
 theme = 'ccchh'
 
diff --git a/themes/ccchh/layouts/shortcodes/calendar-table.html b/themes/ccchh/layouts/shortcodes/calendar-table.html
new file mode 100644
index 0000000..15189d7
--- /dev/null
+++ b/themes/ccchh/layouts/shortcodes/calendar-table.html
@@ -0,0 +1,22 @@
+{{- index .Site.Data "calendar.json" }}
+<table>
+  <thead>
+    <tr>
+      <td>Datum</td>
+      <td>Titel</td>
+      <td>Ort</td>
+    </tr>
+  </thead>
+  <tbody>
+  {{- range first 10 (sort $.Site.Data.calendar "dtstart" ) }}
+    {{- if eq ._type "vevent"}}
+    <tr>
+      {{- $start := time .dtstart }}
+      <td style="font-variant-numeric: tabular-nums;">{{ $start.Local | time.Format "Mon, 2006-01-02 15:04" }}</td>
+      <td>{{ .summary }}</td>
+      <td>{{ .location }}</td>
+    </tr>
+    {{- end }}
+  {{- end }}
+  </tbody>
+</table>