99 lines
2.1 KiB
Ruby
99 lines
2.1 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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if t.is_a? String
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t
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else
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t.strftime "%Y%m%dT%H%M%S"
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end
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end
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class Event
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attr_accessor :title, :url, :location
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attr_reader :date, :dtstart, :dtend
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def date=(s)
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if s =~ /(\d+)\.\s*(\S{3})\s+(.*)/
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day = $1.to_i
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month = MONTHS.index($2) + 1
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year = $3.to_i
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year_time = $3
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if year_time =~ /(\d{4})(.*)/
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year = $1.to_i
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time = $2
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else
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raise "Invalid year: #{year_time.inspect} in #{s.inspect}"
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end
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if time =~ /(\d+)[\.:](\d{2})/
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@dtstart = Time::local year, month, day, $1.to_i, $2.to_i, 0
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@dtend = @dtstart + 3600
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elsif time =~ /(\d+)\s+Uhr/
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@dtstart = Time::local year, month, day, $1.to_i, 0, 0
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@dtend = @dtstart + 3600
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else
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@dtstart = @dtend = "#{year}#{month.to_s.rjust(2, "0")}#{day.to_s.rjust(2, "0")}"
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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://kunsthausdresden.de/"
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doc = Nokogiri::HTML URI.open(url)
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doc.css(".events").each do |content|
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date = content.css(".meta.date").text.strip
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location = content.css(".meta.location").text.strip
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.sub(/^Ort:\s*/, "")
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.sub(/Ort:.*/, "")
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title_link = content.css(".article-header h1.title a")
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href = title_link.attr 'href'
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next unless href
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begin
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ev = Event::new
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ev.title = title_link.attr 'title'
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ev.url = URI.join url, href
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ev.date = date
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ev.location = location
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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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