From 6eac79f06f7fcd870d3f7e11c8c96c2888d1121e Mon Sep 17 00:00:00 2001
From: Astro <astro@spaceboyz.net>
Date: Wed, 8 Sep 2021 21:10:08 +0200
Subject: [PATCH] dhmt-veranstaltungen: init

---
 default.nix                    |  1 +
 dhmd-veranstaltungen/scrape.rb | 35 ++++++++++++++++++++++++++++++++++
 2 files changed, 36 insertions(+)
 create mode 100644 dhmd-veranstaltungen/scrape.rb

diff --git a/default.nix b/default.nix
index 8dba3c0..4359857 100644
--- a/default.nix
+++ b/default.nix
@@ -32,4 +32,5 @@ in {
   impfee = wrapScript "impfee" ./impfee/scrape.rb;
   riesa-efau-kalender = wrapScript "riesa-efau-kalender" ./riesa-efau-kalender/scrape.rb;
   kreuzchor-termine = wrapScript "kreuzchor-termine" ./kreuzchor-termine/scrape.rb;
+  dhmd-veranstaltungen = wrapScript "dhmd-veranstaltungen" ./dhmd-veranstaltungen/scrape.rb;
 }
diff --git a/dhmd-veranstaltungen/scrape.rb b/dhmd-veranstaltungen/scrape.rb
new file mode 100644
index 0000000..a1dfe78
--- /dev/null
+++ b/dhmd-veranstaltungen/scrape.rb
@@ -0,0 +1,35 @@
+#!/usr/bin/env ruby
+# coding: utf-8
+
+require 'open-uri'
+require 'nokogiri'
+require 'erb'
+
+events = []
+
+url = "https://www.dhmd.de/veranstaltungen/kalender/1/"
+doc = Nokogiri::HTML URI.open(url)
+doc.css("a.more").each do |details_link|
+  details = Nokogiri::HTML URI.open(URI.join url, details_link.attr('href'))
+  details.css("a.icon-termin").each do |icon|
+    ical = URI.open(icon.attr('href')).read()
+    ical.scan(/BEGIN:VEVENT\r\n(.+?)\nEND:VEVENT/m).each do |ev,|
+      events << ev
+    end
+  end
+end
+
+ical = ERB::new <<~EOF
+  BEGIN:VCALENDAR
+  VERSION:2.0
+  METHOD:PUBLISH
+  X-WR-TIMEZONE;VALUE=TEXT:Europe/Berlin
+  <% events.each do |ev| %>
+  BEGIN:VEVENT
+  <%= ev %>
+  END:VEVENT
+  <% end %>
+  END:VCALENDAR
+EOF
+
+puts ical.result