dresden-versammlungen: init
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dresden-versammlungen/scrape.rb
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46
dresden-versammlungen/scrape.rb
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#!/usr/bin/env ruby
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# coding: utf-8
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require 'open-uri'
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require 'json'
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require 'erb'
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def fmt_time event, key
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t = Time.new event["Datum"]
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times = nil
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if event["Zeit"] =~ /(\d{1,2})[\.:]?(\d{0,2})\s*-\s*(\d{1,2})[\.:]?(\d{0,2})/
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start = t.clone() + $1.to_i * 3600 + $2.to_i * 60
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stop = t.clone() + $3.to_i * 3600 + $4.to_i * 60
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else
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start = t.clone()
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stop = t.clone() + 21 * 3600 + 59 * 60
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end
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{ :start => start, :stop => stop }[key].strftime "%Y%m%dT%H%M%S"
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end
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url = "https://www.dresden.de/data_ext/versammlungsuebersicht/Versammlungen.json"
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data = URI.open(url).read()
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json = JSON.parse data
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events = json['Versammlungen'].select { |event| event["Status"] == "beschieden" }
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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:<%= fmt_time ev, :start %>
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DTSTART:<%= fmt_time ev, :start %>
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DTEND:<%= fmt_time ev, :stop %>
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SUMMARY:<%= ev["Thema"] %>
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LOCATION:<%= ev["Veranstalter"] %> (<%= ev["Teilnehmer"] %>), <%= ev["Ort"] %>
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URL:https://www.dresden.de/de/rathaus/dienstleistungen/versammlungsuebersicht.php
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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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