75 lines
1.8 KiB
Ruby
75 lines
1.8 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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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 :name, :location, :link, :image
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attr_reader :dtstart, :dtend
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def date=(s)
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if s =~ /(\d{1,2})\.\s*(\d{1,2})\.\s*(\d{4}),\s*(\d+):(\d+)\s*-\s*(\d+):(\d+) Uhr/
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year = $3.to_i
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month = $2.to_i
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day = $1.to_i
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start_hour = $4.to_i
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start_minute = $5.to_i
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end_hour = $6.to_i
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end_minute = $7.to_i
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@dtstart = Time::local year, month, day, start_hour, start_minute, 0
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@dtend = Time::local year, month, day, end_hour, end_minute, 0
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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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urls = (1..10).collect { |i| "https://riesa-efau.de/kalender/#{i}/" }
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while urls.size > 0
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url = urls.shift
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doc = Nokogiri::HTML URI.open(url)
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doc.css(".vevent").each do |vevent|
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ev = Event::new
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next if vevent.css("h3").children.size == 0
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ev.name = vevent.css("h3").children[0].text.strip
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ev.location = vevent.css(".location").text.strip.gsub(/[\r\n\t]+/, ", ") + ", Riesa Efau"
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ev.date = vevent.css(".datum").text
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ev.link = URI.join url, vevent.css("a[1]").attr('href')
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ev.image = URI.join url, vevent.css(".images img").attr('src')
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events << ev
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end
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end
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events.sort_by! { |ev| ev.dtstart }
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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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METHOD:PUBLISH
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CLASS:PUBLIC
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UID:<%= ev.link %>
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DTSTART:<%= fmt_time(ev.dtstart) %>
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DTEND:<%= fmt_time(ev.dtend) %>
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SUMMARY:<%= ev.name %>
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LOCATION:<%= ev.location %>
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URL:<%= ev.link %>
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ATTACH;FMTTYPE=image/jpeg:<%= ev.image %>
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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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