99 lines
2.2 KiB
Ruby
99 lines
2.2 KiB
Ruby
#!/usr/bin/env ruby
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# coding: utf-8
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require 'open-uri'
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require 'nokogiri'
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require 'erb'
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MONTHS = [
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"Jan", "Feb", "Mär", "Apr",
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"Mai", "Jun", "Jul", "Aug",
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"Sep", "Okt", "Nov", "Dez",
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]
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def fmt_time t
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t.strftime "%Y%m%dT%H%M%S"
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end
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class Event
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attr_accessor :title, :url
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attr_reader :date, :location, :dtstart, :dtend
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def initialize
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@location = "Hygienemuseum"
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end
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def date=(s)
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if s =~ /(\d{1,2})\. (.+?), (.+?) Uhr/
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year = Time.now.year
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month = MONTHS.index($2) + 1
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year += 1 if month + 1 < Time.now.month
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day = $1.to_i
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case $3
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when /^(\d+)$/
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@dtstart = Time::local year, month, day, $1.to_i, 0, 0
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when /^(\d+):(\d+)$/
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@dtstart = Time::local year, month, day, $1.to_i, $2.to_i, 0
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when /^(\d+)\s*-\s*(\d+)/
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@dtstart = Time::local year, month, day, $1.to_i, 0, 0
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@dtend = Time::local year, month, day, $2.to_i, 0, 0
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when /^(\d+):(\d+)\s*-\s*(\d+):(\d+)/
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@dtstart = Time::local year, month, day, $1.to_i, $2.to_i, 0
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@dtend = Time::local year, month, day, $3.to_i, $4.to_i, 0
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else
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raise "Invalid timestamp: #{$3.inspect}"
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end
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unless @dtend
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@dtend = @dtstart + 3600
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end
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else
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raise "Invalid date: #{s.inspect}"
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end
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end
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end
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events = []
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url = "https://www.dhmd.de/veranstaltungen/kalender/"
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doc = Nokogiri::HTML URI.open(url)
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doc.css(".event").each do |content|
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date = content.css(".date").text
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title = content.css("h3").text
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href = content.css(".more").attr('href')
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next unless href and date and title
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event_url = URI.join url, href
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next unless event_url.host == "www.dhmd.de"
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begin
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ev = Event::new
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ev.title = title
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ev.url = event_url
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ev.date = date
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events << ev
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rescue
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STDERR.puts "Omitting: #{$!}"
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STDERR.puts $!.backtrace
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end
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end
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ical = ERB::new <<~EOF
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BEGIN:VCALENDAR
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VERSION:2.0
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METHOD:PUBLISH
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X-WR-TIMEZONE;VALUE=TEXT:Europe/Berlin
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<% events.each do |ev| %>
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BEGIN:VEVENT
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SUMMARY:<%= ev.title %>
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DTSTART:<%= fmt_time ev.dtstart %>
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DTEND:<%= fmt_time ev.dtend %>
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UID:<%= ev.url %>
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URL:<%= ev.url %>
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LOCATION:<%= ev.location %>
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END:VEVENT
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<% end %>
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END:VCALENDAR
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EOF
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puts ical.result
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