kosmotique: add

default.nix

@@ -47,4 +47,5 @@ in {
   nabu = wrapScript "nabu" ./nabu/scrape.rb;
   museen-dresden = wrapScript "museen-dresden" ./museen-dresden/scrape.rb;
   criticalmass = wrapScript "criticalmass" ./criticalmass/scrape.rb;
+  kosmotique = wrapScript "kosmotique" ./kosmotique/scrape.rb;
 }

kosmotique/scrape.rb

@@ -0,0 +1,61 @@
+#!/usr/bin/env ruby
+# coding: utf-8
+
+require 'open-uri'
+require 'nokogiri'
+require 'erb'
+require 'time'
+
+def fmt_time t
+  t.strftime "%Y%m%dT%H%M%S"
+end
+
+class Event
+  attr_accessor :title, :url
+  attr_reader :dtstart, :dtend
+
+  def initialize
+    @location = "Hygienemuseum"
+  end
+
+  def date=(t)
+    @dtstart = t
+    @dtend = @dtstart + 3600
+  end
+end
+
+events = []
+url = "http://kosmotique.org/feed.xml"
+doc = Nokogiri::HTML URI.open(url)
+doc.css("entry").each do |entry|
+  begin
+    ev = Event::new
+    ev.title = entry.css("title").text
+    ev.url = entry.css("link").attr "href"
+    ev.date = Time.parse entry.css("published").text
+    events << ev
+  rescue
+    STDERR.puts "Omitting: #{$!}"
+    STDERR.puts $!.backtrace
+  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
+  SUMMARY:<%= ev.title %>
+  DTSTART:<%= fmt_time ev.dtstart %>
+  DTEND:<%= fmt_time ev.dtend %>
+  UID:<%= ev.url %>
+  URL:<%= ev.url %>
+  LOCATION:Kosmotique, Martin-Luther-Str. 13, Dresden
+  END:VEVENT
+  <% end  %>
+  END:VCALENDAR
+EOF
+
+puts ical.result