class Object

# File bin/google-form-faq.rb, line 21
def self.discover_faqs
  paths = []
  paths += Dir.glob('faqs/**/*.md')
  paths += Dir.glob('topics/**/faqs/*.md')
  paths += Dir.glob('topics/**/faqs/*.md')

  # Reject symlinks
  paths.reject { |path| File.symlink?(path) }
end

# File _plugins/feeds.rb, line 218
def all_date_sorted_materials(site)
  events = site.pages.select { |x| x['layout'] == 'event' || x['layout'] == 'event-external' }
  materials = TopicFilter.list_all_materials(site).reject { |k, _v| k['draft'] }
  news = site.posts.select { |x| x['layout'] == 'news' }
  faqs = site.pages.select { |x| x['layout'] == 'faq' }
  pathways = site.pages.select { |x| x['layout'] == 'learning-pathway' }
  workflows = Dir.glob('topics/**/*.ga')

  bucket = events.map do |e|
    [Gtn::PublicationTimes.obtain_time(e.path).to_datetime, 'events', e, ['event'] + e.data.fetch('tags', [])]
  end

  materials.each do |m|
    tags = [m['topic_name']] + (m['tags'] || [])
    m.fetch('ref_tutorials', []).map do |t|
      bucket << [Gtn::PublicationTimes.obtain_time(t.path).to_datetime, 'tutorials', t, tags]

      (t['recordings'] || []).map do |r|
        url = '/' + t.path.gsub(/tutorial(_[A_Z_]*)?.(html|md)$/, 'recordings/')
        url += "#tutorial-recording-#{Date.parse(r['date']).strftime('%-d-%B-%Y').downcase}"
        attr = {'title' => "Recording of " + t['title'], 
                'contributors' => r['speakers'] + (r['captions'] || []),
                'content' => "A #{r['length']} long recording is now available."}

        obj = objectify(attr, url, t.path)
        bucket << [DateTime.parse(r['date'].to_s), 'recordings', obj, tags]
      end
    end



    m.fetch('ref_slides', []).reject { |s| s.url =~ /-plain.html/ }.map do |s|
      bucket << [Gtn::PublicationTimes.obtain_time(s.path).to_datetime, 'slides', s, tags]

      (s['recordings'] || []).map do |r|
        url = '/' + s.path.gsub(/slides(_[A_Z_]*)?.(html|md)$/, 'recordings/')
        url += "#tutorial-recording-#{Date.parse(r['date']).strftime('%-d-%B-%Y').downcase}"
        attr = {'title' => "Recording of " + s['title'], 
                'contributors' => r['speakers'] + (r['captions'] || []),
                'content' => "A #{r['length']} long recording is now available."}
        obj = objectify(attr, url, s.path)
        bucket << [DateTime.parse(r['date'].to_s), 'recordings', obj, tags]
      end
    end
  end

  bucket += news.map do |n|
    [n.date.to_datetime, 'news', n, ['news'] + n.data.fetch('tags', [])]
  end

  bucket += faqs.map do |n|
    tag = Gtn::PublicationTimes.clean_path(n.path).split('/')[1]
    [Gtn::PublicationTimes.obtain_time(n.path).to_datetime, 'faqs', n, ['faqs', tag]]
  end

  bucket += pathways.map do |n|
    tags = ['learning-pathway'] + (n['tags'] || [])
    [Gtn::PublicationTimes.obtain_time(n.path).to_datetime, 'learning-pathways', n, tags]
  end

  bucket += workflows.map do |n|
    tag = Gtn::PublicationTimes.clean_path(n).split('/')[1]
    wf_data = JSON.parse(File.read(n))

    attrs = {
      'title' => wf_data['name'],
      'description' => wf_data['annotation'],
      'tags' => wf_data['tags'],
      'contributors' => wf_data.fetch('creator', []).map do |c|
        matched = site.data['contributors'].select{|k, v| 
          v.fetch('orcid', "does-not-exist") == c.fetch('identifier', "").gsub('https://orcid.org/', '')
        }.first
        if matched
          matched[0]
        else
          c['name']
        end
      end
    }

    # These aren't truly stable. I'm not sure what to do about that.
    obj = objectify(attrs, '/' + n.gsub(/\.ga$/, '.html'), n)
    # obj = objectify(attrs, '/' + n.path[0..n.path.rindex('/')], n)


    [Gtn::PublicationTimes.obtain_time(n).to_datetime, 'workflows', obj, ['workflows', tag] + obj['tags']]
  end

  # Remove symlinks from bucket.
  bucket = bucket.reject { |date, type, page, tags|
    File.symlink?(page.path) || File.symlink?(File.dirname(page.path)) || File.symlink?(File.dirname(File.dirname(page.path)))
  }

  bucket += site.data['contributors'].map do |k, v|
    a = {'title' => "@#{k}",
         'content' => "GTN Contributions from #{k}"}
    obj = objectify(a, "/hall-of-fame/#{k}/", k)

    [DateTime.parse("#{v['joined']}-01T12:00:00", 'content' => "GTN Contributions from #{k}"), 'contributors', obj, ['contributor']]
  end

  bucket += site.data['grants'].map do |k, v|
    a = {'title' => "@#{k}",
         'content' => "GTN Contributions from #{k}"}
    obj = objectify(a, "/hall-of-fame/#{k}/", k)

    # TODO: backdate grants, organisations
    if v['joined']
      [DateTime.parse("#{v['joined']}-01T12:00:00"), 'grants', obj, ['grant']]
    end
  end.compact

  bucket += site.data['organisations'].map do |k, v|
    a = {'title' => "@#{k}",
         'content' => "GTN Contributions from #{k}"}
    obj = objectify(a, "/hall-of-fame/#{k}/", k)

    if v['joined']
      [DateTime.parse("#{v['joined']}-01T12:00:00"), 'organisations', obj, ['organisation']]
    end
  end.compact

  bucket
    .reject{|x| x[0] > DateTime.now } # Remove future-dated materials
    .reject{|x| x[2]['draft'] == true } # Remove drafts
    .sort_by {|x| x[0] } # Date-sorted, not strictly necessary since will be grouped.
    .reverse
end

# File bin/gtn.rb, line 7
def automagic_loading(f)
  # Remove our documentation
  f.reject! { |k, v| k == 'description' and v.is_a?(String) }
  f.reject! { |k| k == '_examples' }

  # Auto-replace CONTRIBUTORS in enums.
  f.each do |k, v|
    if v.is_a?(Hash)
      automagic_loading(v)
    elsif v.is_a?(Array)
      if k == 'enum'
        repl = []
        # If one of the elements in this array is CONTRIBUTORS, replace it with the same named variable
        repl << CONTRIBUTORS.keys if v.find { |x| x == 'CONTRIBUTORS' }
        repl << GRANTS.keys if v.find { |x| x == 'GRANTS' }
        repl << ORGANISATIONS.keys if v.find { |x| x == 'ORGANISATIONS' }
        v.replace repl.flatten if repl.length.positive?
      end
      v.flatten.each { |x| automagic_loading(x) if x.is_a?(Hash) }
    end
  end
  f
end

# File bin/news.rb, line 187
def build_news(data, filter: nil, updates: true, only_news: false)
  infix = filter.nil? ? '' : titleize(filter)
  output = "# GTN #{infix} News for #{NOW.strftime('%b %d')}"
  newsworthy = false

  if filter.nil?
    output += format_news(data[:added][:news])
    newsworthy |= format_news(data[:added][:news]).length.positive?
  end

  if only_news
    return [output, newsworthy]
  end

  o = format_events(
    data[:added][:events].select { |n| filter.nil? || safe_load_yaml(n[:path]).fetch('tags', []).include?(filter) }
  )
  output += o
  newsworthy |= o.length.positive?

  o = format_tutorials(
    data[:added][:tutorials].select { |n| filter.nil? || n[:path] =~ %r{topics/#{filter}} },
    data[:modified][:tutorials].select { |n| filter.nil? || n[:path] =~ %r{topics/#{filter}} },
    updates: updates
  )

  output += o
  newsworthy |= o.length.positive?

  o = format_tutorials(
    data[:added][:slides].select { |n| filter.nil? || n[:path] =~ %r{topics/#{filter}} },
    data[:modified][:slides].select { |n| filter.nil? || n[:path] =~ %r{topics/#{filter}} },
    kind: 'slides',
    updates: updates
  )
  output += o
  newsworthy |= o.length.positive?

  if filter.nil? && data[:contributors].length.positive?
    newsworthy = true
    output += "\n\n## #{data[:contributors].length} new contributors!\n\n"
    output += data[:contributors].map { |c| linkify("@#{c}", "hall-of-fame/#{c}") }.join("\n").gsub(/^/, '- ')
  end

  if filter.nil? && data[:organisations].length.positive?
    newsworthy = true
    output += "\n\n## #{data[:organisations].length} new organisations!\n\n"
    output += data[:organisations].map { |c| linkify("@#{c}", "hall-of-fame/#{c}") }.join("\n").gsub(/^/, '- ')
  end

  if filter.nil? && data[:grants].length.positive?
    newsworthy = true
    output += "\n\n## #{data[:grants].length} new grants!\n\n"
    output += data[:grants].map { |c| linkify("@#{c}", "hall-of-fame/#{c}") }.join("\n").gsub(/^/, '- ')
  end

  [output, newsworthy]
end

# File bin/ari-synthesize.rb, line 60
def call_engine(engine, line, mp3, voice, lang, neural)
  if engine == 'aws'
    awseng = if neural
               'neural'
             else
               'standard'
             end

    # Synthesize
    args = ['aws', 'polly', 'synthesize-speech', '--engine', awseng, '--language-code', lang, '--voice-id', voice,
            '--output-format', 'mp3', '--text', line, mp3]
    _, stderr, err = Open3.capture3(*args)
    if err.exited? && err.exitstatus.positive?
      puts "ERROR: #{stderr}"
      puts "ERROR: #{err}"
      exit 1
    end
  elsif engine == 'mozilla'
    raw = Tempfile.new('synth-raw')
    _, stderr, err = Open3.capture3('curl', '--silent', '-G', '--output', raw.path,
                                    "http://localhost:5002/api/tts?text=#{CGI.escape(line)}")
    if err.exited? && err.exitstatus.positive?
      puts "ERROR: #{stderr}"
      exit 1
    end

    _, stderr, err = Open3.capture3('ffmpeg', '-loglevel', 'error', '-i', raw.path, '-y', mp3)
    if err.exited? && err.exitstatus.positive?
      puts "ERROR: #{stderr}"
      exit 1
    end
  end
end

# File bin/check-indent.rb, line 5
def check_indent(file)
  doc = Nokogiri::HTML(File.open(file))
  # Find all <pre> tags
  # <div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>
  ec = false
  doc.css('div.language-plaintext.highlighter-rouge div.highlight pre.highlight code').each do |pre|
    # Get the text content of the <pre> tag
    content = pre.text
    # Split the content by newlines
    lines = content.split("\n")

    # If all lines look like URLs:
    if lines.all? { |line| line =~ %r{://} }
      # If any are space indented
      lines.each do |line|
        if line =~ /^\s+/
          puts "#{file}: Indentation error: #{line}"
          ec = true
        end
      end
    end
  end
  ec
end

# File _plugins/util.rb, line 9
def collapse_event_date_pretty(event)
  s = event['date_start']
  e = if event['date_end'].nil?
        s
      else
        event['date_end']
      end
  # want dates like "Mar 22-25, 2024" or "Mar 22-May 1, 2024"
  dash = ' – ' # thin space, en dash, thin space
  if s.year == e.year
    if s.month == e.month
      if s.day == e.day
        "#{s.strftime('%B')} #{s.day}, #{s.year}"
      else
        "#{s.strftime('%B')} #{s.day}#{dash}#{e.day}, #{s.year}"
      end
    else
      "#{s.strftime('%B')} #{s.day}#{dash}#{e.strftime('%B')} #{e.day}, #{s.year}"
    end
  else
    "#{s.strftime('%B')} #{s.day}, #{s.year}#{dash}#{e.strftime('%B')} #{e.day}, #{e.year}"
  end
end

# File bin/ari-synthesize.rb, line 48
def correct(uncorrected_line)
  # First we try and catch the things we can directly replace (esp usegalaxy.*)
  line = uncorrected_line.strip.split.map do |w|
    translate(w)
  end.join(' ')

  # Now we do more fancy replacements
  line.strip.split(/([ ‘’,'".:;!`()])/).reject(&:empty?).compact.map do |w|
    translate(w)
  end.join
end

# File bin/update-data-library, line 139
def data_library_for_tutorial(path)
  File.join(File.dirname(path), 'data-library.yaml')
end

# File bin/fetch-categories.rb, line 8
def fetch_toolcats(server)
  uri = URI.parse(server.to_s)
  request = Net::HTTP::Get.new(uri)
  req_options = {
    use_ssl: uri.scheme == 'https',
  }
  response = Net::HTTP.start(uri.hostname, uri.port, req_options) do |http|
    http.request(request)
  end

  begin
    JSON.parse(response.body) do |w|
      w
    end
  rescue StandardError
    {}
  end
end

# File bin/workflows-fetch.rb, line 39
def fetch_workflowhub
  projects = JSON.parse(request('https://workflowhub.eu/projects').body)
  project_mapping = projects['data'].to_h { |p| [p['id'], p['attributes']['title']] }

  response = request('https://workflowhub.eu/workflows?filter[workflow_type]=galaxy')
  data = JSON.parse(response.body)
  if !data['links']['next'].nil?
    puts 'ERROR: Cannot yet handle multiple pages'
    exit 42
  end
  puts "INFO: Fetching #{data['data'].length} workflows from WorkflowHub"
  data['data'].map.with_index do |w, _i|
    # {"id"=>"14", "type"=>"workflows", "attributes"=>{"title"=>"Cheminformatics - Docking"}, "links"=>{"self"=>"/workflows/14"}}
    wf_info = JSON.parse(request("https://workflowhub.eu#{w['links']['self']}").body)
    creator_list = []

    creator0 = wf_info['data']['attributes']['creators'][0]
    if creator0.nil?
      # Other creators
      other = wf_info['data']['attributes']['other_creators']
      if !other.nil? && other.length.positive?
        creator_list.push(wf_info['data']['attributes']['other_creators'].split(',').map(&:strip))
      end
    else
      # Primary
      creator_list.push("#{creator0['given_name']} #{creator0['family_name']}")
    end
    # Projects
    wf_info['data']['relationships']['projects']['data'].each do |p|
      creator_list.push(project_mapping[p['id']])
    end

    creator_list = creator_list.flatten.compact.uniq

    begin
      r = {
        'name' => wf_info['data']['attributes']['title'],
        'owner' => creator_list.join(', '),
        'number_of_steps' => wf_info['data']['attributes']['internals']['steps'].length,
        'server' => 'https://workflowhub.eu',
        'id' => wf_info['data']['id'],
        'tags' => wf_info['data']['attributes']['tags'].map { |t| t.gsub(/^name:/, '') },
        'update_time' => wf_info['data']['attributes']['updated_at'],
      }
    rescue StandardError
      r = nil
    end
    r
  end.compact
end

# File bin/workflows-fetch.rb, line 21
def fetch_workflows(server)
  begin
    response = request("#{server}/api/workflows/")
  rescue StandardError
    puts "ERROR: Failed to fetch workflows from #{server}"
    return []
  end

  begin
    JSON.parse(response.body).map do |w|
      w['server'] = server
      w
    end
  rescue StandardError
    []
  end
end

# File bin/news.rb, line 66
def filterSlides(x)
  x =~ %r{topics/.*/tutorials/.*/slides.*\.html}
end

# File bin/news.rb, line 62
def filterTutorials(x)
  x =~ %r{topics/.*/tutorials/.*/tutorial.*\.md}
end

# File bin/ari-synthesize.rb, line 94
def find_duration(mp3)
  stdout, = Open3.capture2('ffprobe', '-loglevel', 'error', '-show_format', '-show_streams', '-print_format', 'json',
                           '-i', mp3)
  data = JSON.parse(stdout)
  data['format']['duration'].to_f
end

# File bin/news.rb, line 96
def fixEvents(n)
  # news/_posts/2021-11-10-api.html => news/2021/11/10/api.html
  meta = safe_load_yaml(n[:path])
  n[:md] += " (#{collapse_event_date_pretty(meta)})"
  n
end

# File bin/news.rb, line 91
def fixNews(n)
  # news/_posts/2021-11-10-api.html => news/2021/11/10/api.html
  n[:md].gsub(%r{news/_posts/(....)-(..)-(..)-(.*.html)}, 'news/\1/\2/\3/\4')
end

# File _plugins/feeds.rb, line 377
def format_contents(xml, site, parts, title, group_by: 'day')
  # output += '<div xmlns="http://www.w3.org/1999/xhtml">'
end

# File bin/news.rb, line 160
def format_events(events)
  output = ''
  if events.length.positive?
    output += "\n\n## 📆 New Events!\n\n"
    output += events.join("\n").gsub(/^/, '- ')
  end
  output
end

# File bin/news.rb, line 151
def format_news(news)
  output = ''
  if news.length.positive?
    output += "\n\n## Big News!\n\n"
    output += news.join("\n").gsub(/^/, '- ')
  end
  output
end

# File bin/news.rb, line 169
def format_tutorials(added, modified, kind: 'tutorials', updates: true)
  output = ''
  count = added.length
  count += modified.length if updates
  output += "\n\n## #{count} #{kind}!" if count.positive?

  if added.length.positive?
    output += "\n\nNew #{kind}:\n\n"
    output += added.map { |n| n[:md] }.join("\n").gsub(/^/, '- ')
  end

  if updates && modified.length.positive?
    output += "\n\nUpdated #{kind}:\n\n"
    output += modified.map { |n| n[:md] }.join("\n").gsub(/^/, '- ')
  end
  output
end

# File _plugins/feeds.rb, line 645
def generate_event_feeds(site)
  events = site.pages.select { |x| x['layout'] == 'event' || x['layout'] == 'event-external' }
  feed_path = File.join(site.dest, 'events', 'feed.xml')
  Jekyll.logger.info '[GTN/Feeds] Generating event feed'

  # Pre-filering.
  updated = events.map { |x| Gtn::PublicationTimes.obtain_time(x.path) }.max

  events = events
           .reject { |x| x.data.fetch('draft', '').to_s == 'true' }
           .reject { |x| x.data['event_over'] == true } # Remove past events, prunes our feed nicely.
           .sort_by { |page| Gtn::PublicationTimes.obtain_time(page.path) }
           .reverse

  if !events.empty?
    Jekyll.logger.debug "Found #{events.length} events"
  end

  builder = Nokogiri::XML::Builder.new(encoding: 'UTF-8') do |xml|
    # Set stylesheet
    xml.feed(xmlns: 'http://www.w3.org/2005/Atom') do
      # Set generator also needs a URI attribute
      xml.generator('Jekyll', uri: 'https://jekyllrb.com/')
      xml.link(href: "#{site.config['url']}#{site.baseurl}/events/feed.xml", rel: 'self')
      xml.link(href: "#{site.config['url']}#{site.baseurl}/events/", rel: 'alternate')
      xml.updated(updated.to_datetime.rfc3339)
      xml.id("#{site.config['url']}#{site.baseurl}/events/feed.xml")
      xml.title('Events')
      xml.subtitle('Events in the Inter-Galactic Network')
      xml.logo("#{site.config['url']}#{site.baseurl}/assets/images/GTN-60px.png")

      events.each do |page|
        xml.entry do
          pdate = collapse_event_date_pretty(page.data)
          xml.title("[#{pdate}] #{page.data['title']}")
          link = "#{site.config['url']}#{site.baseurl}#{page.url}"
          xml.link(href: link)
          # Our links are stable
          xml.id(link)

          # This is a feed of only NEW tutorials, so we only include publication times.
          # xml.published(Gtn::PublicationTimes.obtain_time(page.path).to_datetime.rfc3339)
          xml.published(Gtn::PublicationTimes.obtain_time(page.path).to_datetime.rfc3339)
          xml.updated(Gtn::PublicationTimes.obtain_time(page.path).to_datetime.rfc3339)

          # TODO: find a better solution maybe with namespaces?
          # xml.category(term: "starts:#{page.data['date_start'].to_datetime.rfc3339}")
          # xml.category(term: "ends:#{(page.data['date_end'] || page.data['date_start']).to_datetime.rfc3339}")
          # xml.category(term: "days:#{page.data['duration']}")

          # xml.path(page.path)
          xml.category(term: "new #{page['layout']}")
          # xml.content(page.content, type: "html")
          xml.summary(page.data['description'])

          if page.data['location'] && page.data['location']['geo']
            lat = page.data['location']['geo']['lat']
            lon = page.data['location']['geo']['lon']
            xml.georss('point', "#{lat} #{lon}")
          end

          Gtn::Contributors.get_organisers(page.data).each do |c|
            xml.author do
              xml.name(Gtn::Contributors.fetch_name(site, c, warn:false))
              xml.uri("#{site.config['url']}#{site.baseurl}/hall-of-fame/#{c}/")
              if page.data['contact_email']
                xml.email(page.data['contact_email'])
              end
            end
          end

          Gtn::Contributors.get_instructors(page.data).each do |c|
            xml.contributor do
              xml.name(Gtn::Contributors.fetch_name(site, c, warn:false))
              xml.uri("#{site.config['url']}#{site.baseurl}/hall-of-fame/#{c}/")
            end
          end
        end
      end
    end
  end

  serialise(site, feed_path, builder)
end

# File _plugins/feeds.rb, line 523
def generate_matrix_feed(site, mats, group_by: 'day', filter_by: nil)
  # new materials (tut + sli)
  # new grants/contributors/orgs
  # new news posts(?)
  filter_title = nil
  if !filter_by.nil?
    mats = mats.select { |x| x[3].include?(filter_by) }
    filter_title = filter_by.gsub('-', ' ').capitalize
  end

  case group_by
  when 'day'
    # Reject anything that is today
    mats = mats.reject { |x| x[0].strftime('%Y-%m-%d') == Date.today.strftime('%Y-%m-%d') }
  when 'week'
    mats = mats.reject { |x| x[0].strftime('%Y-%W') == Date.today.strftime('%Y-%W') }
  when 'month'
    mats = mats.reject { |x| x[0].strftime('%Y-%m') == Date.today.strftime('%Y-%m') }
  end

  bucket = group_bucket_by(mats, group_by: group_by)
  lookup = {
    'day' => 'Daily',
    'week' => 'Weekly',
    'month' => 'Monthly'
  }

  parts = [filter_by || 'matrix', group_by || 'all']
  path = "feeds/#{parts.join('-')}.xml"

  feed_path = File.join(site.dest, path)
  Jekyll.logger.info '[GTN/Feeds] Generating matrix feed'

  dir = File.dirname(feed_path)
  FileUtils.mkdir_p(dir) unless File.directory?(dir)

  # Group by days

  builder = Nokogiri::XML::Builder.new(encoding: 'UTF-8') do |xml|
    # Set stylesheet
    xml.feed(xmlns: 'http://www.w3.org/2005/Atom') do
      # Set generator also needs a URI attribute
      xml.generator('Jekyll', uri: 'https://jekyllrb.com/')
      xml.link(href: "#{site.config['url']}#{site.baseurl}/#{path}", rel: 'self')
      xml.link(href: "#{site.config['url']}#{site.baseurl}/", rel: 'alternate')
      # convert '2024-01-01' to date
      xml.updated(DateTime.now.rfc3339)
      xml.id("#{site.config['url']}#{site.baseurl}/#{path}")
      title_parts = [filter_title, "#{lookup[group_by]} Updates"].compact
      xml.title(title_parts.join(' — '))
      xml.subtitle('The latest events, tutorials, slides, blog posts, FAQs, workflows, learning paths, recordings, and contributors in the GTN.')
      xml.logo("#{site.config['url']}#{site.baseurl}/assets/images/GTN-60px.png")

      bucket.each do |date, parts|
        xml.entry do
          case group_by
          when 'day'
            title = "#{date.strftime('%B %d, %Y')}"
          when 'week'
            title = "#{date.strftime('W%W, %Y')}"
          when 'month'
            title = "#{date.strftime('%B %Y')}"
          end
          xml.title(title)
          # Our IDs should be stable
          xml.id("#{site.config['url']}#{site.baseurl}/#{group_by}/#{date.strftime('%Y-%m-%d')}")

          # This is a feed of only NEW tutorials, so we only include publication times.
          xml.published(parts.map { |x| x[0] }.min.to_datetime.rfc3339)
          xml.updated(parts.map { |x| x[0] }.max.to_datetime.rfc3339)

          # xml.category(term: "new #{type}")
          xml.content(type: 'xhtml') do
            xml.div(xmlns: 'http://www.w3.org/1999/xhtml') do
              # xml.h4 title

              parts.group_by { |x| x[1] }.sort_by { |x| PRIO[x[0]] }.each do |type, items|
                xml.h4 "#{ICON_FOR[type]} #{type.gsub(/-/, ' ').capitalize}"
                if items.length.positive?
                  xml.ul do
                    items.each do |date, _type, page, _tags|
                      xml.li do
                        if page.is_a?(String)
                          href = track("#{site.config['url']}#{site.config['baseurl']}/hall-of-fame/#{page}/")
                          text = "@#{page}"
                        else
                          text = page.data['title']
                          href = track("#{site.config['url']}#{site.config['baseurl']}#{page.url}")
                        end
                        if group_by != 'day'
                          text += " (#{date.strftime('%B %d, %Y')})"
                        end

                        xml.a(text, href: href)
                      end
                    end
                  end
                end
              end

              if group_by != 'day'
                xml.small do
                  xml.span 'Powered by '
                  xml.a('GTN RSS Feeds', href: 'https://training.galaxyproject.org/training-material/news/2024/06/04/gtn-standards-rss.html')
                end
              end
            end
          end

          xml.author do
            xml.name('GTN')
            xml.uri("#{site.config['url']}#{site.baseurl}/hall-of-fame/")
            xml.email('galaxytrainingnetwork@gmail.com')
          end
        end
      end
    end
  end

  serialise(site, feed_path, builder)
end

# File _plugins/feeds.rb, line 383
def generate_matrix_feed_itemized(site, mats, group_by: 'day', filter_by: nil)
  filter_title = nil
  if !filter_by.nil?
    mats = mats.select { |x| x[3].include?(filter_by) }
    filter_title = filter_by.gsub('-', ' ').capitalize
  end

  case group_by
  when 'day'
    # Reject anything that is today
    mats = mats.reject { |x| x[0].strftime('%Y-%m-%d') == Date.today.strftime('%Y-%m-%d') }
  when 'week'
    mats = mats.reject { |x| x[0].strftime('%Y-%W') == Date.today.strftime('%Y-%W') }
  when 'month'
    mats = mats.reject { |x| x[0].strftime('%Y-%m') == Date.today.strftime('%Y-%m') }
  end

  bucket = group_bucket_by(mats, group_by: group_by)
  lookup = {
    'day' => 'Daily',
    'week' => 'Weekly',
    'month' => 'Monthly',
    nil => 'All'
  }

  parts = [filter_by || 'matrix', group_by || 'all']
  path = "feeds/#{parts.join('-')}.i.xml"

  feed_path = File.join(site.dest, path)
  Jekyll.logger.info '[GTN/Feeds] Generating matrix/i feed'

  dir = File.dirname(feed_path)
  FileUtils.mkdir_p(dir) unless File.directory?(dir)

  # Group by days
  builder = Nokogiri::XML::Builder.new(encoding: 'UTF-8') do |xml|
    # Set stylesheet
    xml.feed(xmlns: 'http://www.w3.org/2005/Atom') do
      # Set generator also needs a URI attribute
      xml.generator('Jekyll', uri: 'https://jekyllrb.com/')
      xml.link(href: "#{site.config['url']}#{site.baseurl}/#{path}", rel: 'self')
      xml.link(href: "#{site.config['url']}#{site.baseurl}/", rel: 'alternate')
      # convert '2024-01-01' to date
      xml.updated(DateTime.now.rfc3339)
      xml.id("#{site.config['url']}#{site.baseurl}/#{path}")
      title_parts = ["GTN", filter_title, lookup[group_by], "Updates"].compact
      # title used for slack's 'bot name', so should be something useful.
      xml.title(title_parts.join(' '))
      xml.subtitle('The latest events, tutorials, slides, blog posts, FAQs, workflows, and contributors in the GTN.')
      xml.logo("#{site.config['url']}#{site.baseurl}/assets/images/GTN-60px.png")

      bucket.each do |bucket_date, parts|
        parts.group_by { |x| x[1] }.sort_by { |x| PRIO[x[0]] }.each do |type, items|
          if items.length.positive?
            items.each do |date, type, page, tags|
              # Entry per-item.
              xml.entry do

                # This is a feed of only NEW tutorials, so we only include publication times.
                if group_by.nil?
                  xml.published(bucket_date.rfc3339)
                  xml.updated(bucket_date.rfc3339)
                else
                  xml.published(bucket_date.to_euro_lunch.rfc3339)
                  xml.updated(bucket_date.to_euro_lunch.rfc3339)
                end

                href = "#{site.config['url']}#{site.config['baseurl']}#{page.url}"

                xml.id(href)
                xml.link(href: track(href))

                tags.uniq.each do |tag|
                  xml.category(term: tag)
                end
                xml.category(term: "new #{page['layout']}")

                if page.data.key?('description')
                  xml.summary(page.data['description'])
                else
                  md = page.content[0..page.content.index("\n")].strip
                  html = markdownify(site, md)
                  text = Nokogiri::HTML(html).text
                  xml.summary(text)
                end

                prefix = type.gsub(/s$/, '').gsub(/-/, ' ').capitalize.gsub(/Faq/, 'FAQ').gsub(/New$/, 'Post')
                title = "#{ICON_FOR[type]} New #{prefix}: #{page.data['title']}"

                xml.title(title)

                had_authors = false
                Gtn::Contributors.get_authors(page.data).each do |c|
                  xml.author do
                    had_authors = true
                    xml.name(Gtn::Contributors.fetch_name(site, c, warn:false))
                    if c !~ / /
                      xml.uri("#{site.config['url']}#{site.baseurl}/hall-of-fame/#{c}/")
                    end
                  end
                end

                if !had_authors
                  xml.author do
                    xml.name('GTN')
                    xml.uri("#{site.config['url']}#{site.baseurl}/hall-of-fame/")
                    xml.email('galaxytrainingnetwork@gmail.com')
                  end
                end

                Gtn::Contributors.get_non_authors(page.data).each do |c|
                  xml.contributor do
                    xml.name(Gtn::Contributors.fetch_name(site, c, warn:false))
                    if c !~ / /
                      xml.uri("#{site.config['url']}#{site.baseurl}/hall-of-fame/#{c}/")
                    end
                  end
                end

              end
            end
          end
        end
      end

      xml.author do
        xml.name('GTN')
        xml.uri("#{site.config['url']}#{site.baseurl}/hall-of-fame/")
        xml.email('galaxytrainingnetwork@gmail.com')
      end
    end
  end

  serialise(site, feed_path, builder)
end

# File _plugins/feeds.rb, line 115
def generate_opml(site, groups)
  builder = Nokogiri::XML::Builder.new(encoding: 'UTF-8') do |xml|
    # Set stylesheet
    xml.opml(version: '2.0') do
      xml.head do
        xml.title('Galaxy Training Network')
        xml.dateCreated(DateTime.now.rfc3339)
        xml.dateModified(DateTime.now.rfc3339)
        xml.ownerEmail('galaxytrainingnetwork@gmail.com')
      end
      xml.body do
        groups.each do |group, items|
          xml.outline(text: group) do
            items.each do |item|
              xml.outline(text: item[:title], type: 'rss', version: 'RSS', xmlUrl: item[:url], htmlUrl: item[:url])
            end
          end
        end
      end
    end
  end

  opml_path = File.join(site.dest, 'feeds', 'gtn.opml')
  finalised = Nokogiri::XML builder.to_xml
  File.write(opml_path, finalised.to_xml)
end

# File _plugins/feeds.rb, line 211
def generate_tag_topic_feeds(_site)
  # Any new materials in a topic with the equivalent tag
  # Any new materials tagged with that tag
  # Any news by tag
  ''
end

# File _plugins/feeds.rb, line 142
def generate_topic_feeds(site, topic, bucket)
  mats = bucket.select { |x| x[3].include?(topic) }
  feed_path = File.join(site.dest, 'topics', topic, 'feed.xml')
  Jekyll.logger.info "[GTN/Feeds] Generating feed for #{topic} (#{mats.length} items)"

  builder = Nokogiri::XML::Builder.new(encoding: 'UTF-8') do |xml|
    # Set stylesheet
    xml.feed(xmlns: 'http://www.w3.org/2005/Atom') do
      # Set generator also needs a URI attribute
      xml.generator('Jekyll', uri: 'https://jekyllrb.com/')
      xml.link(href: "#{site.config['url']}#{site.baseurl}/topics/#{topic}/feed.xml", rel: 'self')
      xml.link(rel: 'alternate', href: "#{site.config['url']}#{site.baseurl}/topics/#{topic}/")
      xml.updated(mats.first[0].rfc3339)
      xml.id("#{site.config['url']}#{site.baseurl}/topics/#{topic}/feed.xml")
      topic_title = site.data[topic]['title']
      xml.title("#{topic_title}")
      xml.subtitle("Recently added tutorials, slides, FAQs, and events in the #{topic} topic")
      xml.logo("#{site.config['url']}#{site.baseurl}/assets/images/GTN-60px.png")

      mats.each do |time, group, page, tags|
        xml.entry do
          xml.title(ICON_FOR[group] + " " + page.data['title'])
          link = "#{site.config['url']}#{site.baseurl}#{page.url}"
          xml.link(href: link)
          # Our links are (mostly) stable
          xml.id(link)

          # This is a feed of only NEW tutorials, so we only include publication times.
          # xml.published(Gtn::PublicationTimes.obtain_time(page.path).to_datetime.rfc3339)
          xml.updated(time.rfc3339)

          tags.uniq.each do |tag|
            xml.category(term: tag)
          end

          if page.data.key? 'description'
            xml.summary(page.data['description'])
          else
            md = page.content[0..page.content.index("\n")].strip
            html = markdownify(site, md)
            text = Nokogiri::HTML(html).text
            xml.summary(text)
          end

          Gtn::Contributors.get_authors(page.data).each do |c|
            xml.author do
              xml.name(Gtn::Contributors.fetch_name(site, c, warn:false))
              if c !~ / /
                xml.uri("#{site.config['url']}#{site.baseurl}/hall-of-fame/#{c}/")
              end
            end
          end

          Gtn::Contributors.get_non_authors(page.data).each do |c|
            xml.contributor do
              xml.name(Gtn::Contributors.fetch_name(site, c, warn:false))
              if c !~ / /
                xml.uri("#{site.config['url']}#{site.baseurl}/hall-of-fame/#{c}/")
              end
            end
          end
        end
      end
    end
  end

  serialise(site, feed_path, builder)
end

# File bin/collect-gh.rb, line 15
def gh_cli_pr_info(num, fields)
  JSON.parse(`gh pr view #{num} --json #{fields.join(',')}`)
end

# File bin/collect-gh.rb, line 10
def gh_cli_pr_list(count: 3)
  d = JSON.parse(`gh pr list --search 'sort:updated-desc is:merged' --limit #{count} --json number`)
  d.map { |pr| pr['number'] }
end

# File _plugins/feeds.rb, line 347
def group_bucket_by(bucket, group_by: 'day')
  case group_by
  when 'day'
    bucket
      .group_by { |x| x[0].strftime('%Y-%m-%d') }
      .to_h { |_k, v| [v.map { |x| x[0] }.min, v] }
  when 'week'
    bucket
      .group_by { |x| x[0].strftime('%Y-%W') }
      .to_h { |_k, v| [v.map { |x| x[0] }.min, v] }
  when 'month'
    bucket
      .group_by { |x| x[0].strftime('%Y-%m') }
      .to_h { |_k, v| [v.map { |x| x[0] }.min, v] }
  else
    # Pretend this is an h
    # bucket
    #   .map { |x| [x[0], x] }
    #   .to_h
    bucket
      .map.with_index { |x, i| [x[0] + i / 100000000.0, [x]] }
      .to_h
    # We add an artificial separator in the range of miliseconds to each file,
    # should never grow more than 1s, likely, to ensure each of these are
    # individual items. This is kludge-y, yeah, but downstream processing wants
    # to group_by in places, and we don't want to trigger it collapsing there
    # too.
  end
end

# File bin/news.rb, line 103
def isDraft(n)
  meta = safe_load_yaml(n)
  meta.fetch('draft', false)
end

# File _plugins/notebook-jupyter.rb, line 6
def json_boxify(h, page)
  h['cells'].each do |cell|
    # If it's a list, loop
    if cell['source'].is_a? Array
      cell['source'].each do |line|
        # rubocop:disable Layout/LineLength
        line.gsub!(%r{<(?<boxclass>#{Gtn::Boxify.box_classes})-title( ?(?<noprefix>noprefix))>(?<title>.*?)</\s*\k<boxclass>-title\s*>}) do
          # rubocop:enable Layout/LineLength
          m = Regexp.last_match
          box_type = m[:boxclass]
          title = m[:title]
          noprefix = m[:noprefix]
          _, box = Gtn::Boxify.generate_title(box_type, title, lang, page.path, noprefix: noprefix)
          box
        end
      end
    else
      # rubocop:disable Layout/LineLength
      cell['source'].gsub!(%r{<(?<boxclass>#{Gtn::Boxify.box_classes})-title(?<noprefix>\s+noprefix)?>(?<title>.*?)</\s*\k<boxclass>-title\s*>}) do
        # rubocop:enable Layout/LineLength
        m = Regexp.last_match
        box_type = m[:boxclass]
        title = m[:title]
        noprefix = m[:noprefix]
        _, box = Gtn::Boxify.generate_title(box_type, title, 'en', page.path, noprefix: noprefix)
        box
      end
    end
  end
  h
end

# File _plugins/notebook-jupyter.rb, line 120
def jupyter_post_write(site)
  site.config['__rendered_notebook_cache'].each do |_path, info|
    # Create if missing
    FileUtils.mkdir_p(info['dir'])
    # Write it out!
    File.write(info['path1'], info['content1'])
    File.write(info['path2'], info['content2'])
  end
end

# File _plugins/notebook-jupyter.rb, line 38
def jupyter_pre_render(site)
  Jekyll.logger.info '[GTN/Notebooks] Rendering'

  site.config['__rendered_notebook_cache'] = {}

  # For every tutorial with the 'notebook' key in the page data
  site.pages.select { |page| GTNNotebooks.notebook_filter(page.data) }.each do |page|
    # We get the path to the tutorial source
    dir = File.dirname(File.join('.', page.url))
    fn = File.join('.', page.url).sub(/html$/, 'md')
    notebook_language = page.data['notebook'].fetch('language', 'python')

    # Tag our source page
    page.data['tags'] = page.data['tags'] || []
    page.data['tags'].push('jupyter-notebook')

    Jekyll.logger.info "[GTN/Notebooks] Rendering #{notebook_language} #{fn}"
    last_modified = Gtn::ModificationTimes.obtain_time(page.path)
    notebook = GTNNotebooks.render_jupyter_notebook(page.data, page.content, page.url, last_modified,
                                                    notebook_language, site, dir)

    topic_id = dir.split('/')[-3]
    tutorial_id = dir.split('/')[-1]
    with_solutions = notebook.clone

    with_solutions['cells'] = with_solutions['cells'].map do |cell|
      if cell.fetch('cell_type') == 'markdown' && (cell['source'].is_a? String)
        m = cell['source'].match(/<blockquote class="solution"[^>]*>/)
        if m
          cell['source'].gsub!(/<blockquote class="solution"[^>]*>/,
                               '<br/><details style="border: 2px solid #B8C3EA; margin: 1em 0.2em;' \
                               'padding: 0.5em; cursor: pointer;"><summary>👁 View solution</summary>')

          idx = m.begin(0)
          q = cell['source'][0..idx]
          w = cell['source'][idx + 1..]
          e = w.index('</blockquote>')
          r = "#{w[0..e - 1]}</details>#{w[e + 13..]}"

          cell['source'] = q + r
        end
      end
      cell
    end

    # Write it out!
    ipynb_dir = File.join(site.dest, dir)
    ipynb_path = File.join(ipynb_dir, "#{topic_id}-#{tutorial_id}.ipynb")
    # page2 = PageWithoutAFile.new(site, '', dir, "#{topic_id}-#{tutorial_id}.ipynb")
    # page2.content = JSON.pretty_generate(with_solutions)
    # page2.data['layout'] = nil
    # page2.data['citation_target'] = 'jupyter'
    # site.pages << page2

    # Create a no-solutions version:
    no_solutions = notebook.clone

    no_solutions['cells'] = no_solutions['cells'].map do |cell|
      if cell.fetch('cell_type') == 'markdown' && (cell['source'].is_a? String)
        cell['source'].gsub!(/<blockquote class="solution"[^>]*>/,
                             '<blockquote class="solution" style="display:none">')
      end
      cell
    end

    ipynb_path2 = File.join(ipynb_dir, "#{topic_id}-#{tutorial_id}-course.ipynb")
    # page2 = PageWithoutAFile.new(site, '', dir, "#{topic_id}-#{tutorial_id}-course.ipynb")
    # page2.content = JSON.pretty_generate(no_solutions)
    # page2.data['layout'] = nil
    # page2.data['citation_target'] = 'jupyter'
    # site.pages << page2

    site.config['__rendered_notebook_cache'][page.path] = {
      'dir' => ipynb_dir,
      'path1' => ipynb_path,
      'content1' => JSON.pretty_generate(json_boxify(with_solutions, page)),
      'path2' => ipynb_path2,
      'content2' => JSON.pretty_generate(json_boxify(no_solutions, page)),
    }
  end
end

# File bin/news.rb, line 81
def linkify(text, path)
  "[#{text.gsub('|', '-')}](https://training.galaxyproject.org/training-material/#{path}?utm_source=matrix&utm_medium=newsbot&utm_campaign=matrix-news)"
end

# File bin/prepare_feedback.rb, line 55
def lookup_topic(topic_id)
  @cache ||= {}
  @cache.fetch(topic_id) do |key|
    file = "metadata/#{topic_id}.yaml"
    return nil unless File.exist? file

    data = safe_load_yaml(file)
    @cache[key] = data['title']
  end
end

# File bin/prepare_feedback.rb, line 34
def lookup_tuto(topic_id, tuto_id)
  @cache ||= {}
  @cache.fetch("#{topic_id}/#{tuto_id}") do |key|
    @cache[key] = nil

    file = "topics/#{topic_id}/tutorials/#{tuto_id}/tutorial.md"
    if File.exist? file
      data = safe_load_yaml(file)
      @cache[key] = data['title']
    else
      file = "topics/#{topic_id}/tutorials/#{tuto_id}/slides.html"
      if File.exist? file
        data = safe_load_yaml(file)
        @cache[key] = data['title']
      else
        puts "No file for #{topic_id}/#{tuto_id}"
      end
    end
  end
end

# File _plugins/api.rb, line 53
def mapContributor(site, c)
  contrib_type, contrib = Gtn::Contributors.fetch(site, c)
  x = contrib
      .merge({
               'id' => c,
               'url' => site.config['url'] + site.config['baseurl'] + "/api/#{contrib_type}s/#{c}.json",
               'page' => site.config['url'] + site.config['baseurl'] + "/hall-of-fame/#{c}/",
             })
  visitAndMarkdownify(site, x)
end

# File _plugins/api.rb, line 19
def markdownify(site, text)
  site.find_converter_instance(
    Jekyll::Converters::Markdown
  ).convert(text.to_s)
end

# File _plugins/feeds.rb, line 40
def objectify(attrs, url, path)
  obj = attrs.clone
  obj['__path'] = path
  obj['__url'] = url

  def obj.data
    self
  end

  def obj.path
    self['__path']
  end

  def obj.url
    self['__url']
  end

  def obj.content
    self.fetch('content', 'NO CONTENT AVAILABLE')
  end

  obj
end

# File bin/news.rb, line 70
def onlyEnabled(x)
  tutorial_meta = safe_load_yaml(x)
  tutorial_enabled = tutorial_meta.fetch('enable', true)

  topic = x.split('/')[1]
  topic_meta = safe_load_yaml("metadata/#{topic}.yaml")
  topic_enabled = topic_meta.fetch('enable', true)

  tutorial_enabled and topic_enabled
end

# File bin/ari-synthesize.rb, line 157
def parseOptions
  options = {}
  OptionParser.new do |opts|
    opts.banner = 'Usage: ari-synthesize.rb [options]'

    options[:neural] = true
    options[:voice] = 'Amy'
    options[:lang] = 'en-GB'

    opts.on('--aws', 'Use AWS Polly') do |v|
      options[:aws] = v
    end

    opts.on('--mozilla', 'Use MozillaTTS') do |v|
      options[:mozilla] = v
    end

    opts.on('--non-neural', '[AWS] Non-neural voice') do |_v|
      options[:neural] = false
    end

    opts.on('--voice=VOICE', '[AWS] Voice ID') do |n|
      options[:voice] = n
    end

    opts.on('--lang=LANG', '[AWS] Language code') do |n|
      options[:lang] = n
    end

    opts.on('-fFILE', '--file=FILE', 'File containing line of text to speak') do |n|
      options[:file] = n
    end

    opts.on('-oFILE', '--output=FILE', 'Location to save the file in (defaults to auto-generated location)') do |n|
      options[:output] = n
    end

    opts.on('-v', '--[no-]verbose', 'Run verbosely') do |v|
      options[:verbose] = v
    end
  end.parse!

  if !(options[:aws] || options[:mozilla])
    puts 'ERROR: You must use aws or mozilla'
    exit 1
  end

  if !(options[:file])
    puts 'ERROR: You must provide a file with a single sentence to speak'
    exit 1
  end

  sentence = File.read(options[:file]).chomp
  if options[:aws]
    engine = 'aws'
  elsif options[:mozilla]
    engine = 'mozilla'
  end

  [sentence, engine, options]
end

# File bin/update-data-library, line 149
def parse_metadata(path)
  parts = path.to_s.split('/')
  topic_id = parts[1]
  topic_metadata = YAML.load_file(File.join('metadata', "#{topic_id}.yaml"))
  tutorial_metadata = YAML.load_file(path)
  topic = { 'name' => topic_metadata['title'], 'description' => topic_metadata['summary'] }
  tutorial = { 'name' => tutorial_metadata['title'] }
  [topic, tutorial]
end

# File bin/update-data-library, line 143
def parse_tutorial_for_zenodo_link(path)
  parse_zenodo_id_formats(YAML.load_file(path)['zenodo_link'])
rescue StandardError
  nil
end

# File bin/update-data-library, line 30
def parse_zenodo_id_formats(link)
  # https://zenodo.org/record/1234567
  # https://zenodo.org/record/1234567#.X0X0X0X0X0X
  # doi:10.5281/zenodo.1234567
  # doi:10.5281/zenodo.1234567#.X0X0X0X0X0X
  # 10.5281/zenodo.1234567
  # 10.5281/zenodo.1234567#.X0X0X0X0X0X
  # https://doi.org/10.5281/zenodo.3732358
  # https://doi.org/10.5281/zenodo.3732358#.X0X0X0X0X0X
  #
  link = link.split('#')[0]
  if link.match(/doi:/) || link.match(/^10.5281/) || link.match(/doi.org/)
    link.split('.')[-1]
  else
    link.split('/')[-1]
  end
end

# File bin/news.rb, line 85
def printableMaterial(path)
  d = safe_load_yaml(path)
  { md: linkify(d['title'], path.gsub(/.md/, '.html')),
    path: path }
end

# File bin/geocode.rb, line 8
def request(url)
  uri = URI.parse(url)
  request = Net::HTTP::Get.new(uri)
  request['Accept'] = 'application/json'
  request['User-Agent'] = 'GTN-geocode/1.0 (+https://github.com/galaxyproject/training-material)'
  req_options = {
    use_ssl: uri.scheme == 'https',
  }
  Net::HTTP.start(uri.hostname, uri.port, req_options) do |http|
    http.request(request)
  end
end

# File _plugins/util.rb, line 3
def safe_load_yaml(file)
  YAML.load_file(file)
rescue StandardError
  YAML.load_file(file, permitted_classes: [Date])
end

# File _plugins/util.rb, line 33
def safe_site_config(site, key, default)
  if !site.config.nil? && site.config.key?(key)
    site.config[key]
  else
    default
  end
end

# File bin/news.rb, line 246
def send_news(output, options, channel: 'default')
  if options[:postToMatrix]
    # rubocop:disable Style/GlobalVars
    homeserver = $rooms[channel]
    # rubocop:enable Style/GlobalVars
    pp homeserver

    data = {
      'msgtype' => 'm.notice',
      'body' => output,
      'format' => 'org.matrix.custom.html',
      'formatted_body' => Kramdown::Document.new(output).to_html,
    }

    headers = {
      'Authorization' => "Bearer #{ENV.fetch('MATRIX_ACCESS_TOKEN', nil)}",
      'Content-type' => 'application/json',
    }

    uri_send_message = URI("#{homeserver[:server]}/_matrix/client/r0/rooms/#{homeserver[:room]}/send/m.room.message")
    req = Net::HTTP.post(uri_send_message, JSON.generate(data), headers)
    # Parse response
    resp = JSON.parse(req.body)
    puts resp

    if resp['errcode'] == 'M_FORBIDDEN' && (resp['error'] =~ /not in room/)
      puts 'Not in room, attempting to join'
      # Join room
      #  POST /_matrix/client/v3/join/{roomIdOrAlias}
      uri_join = URI("#{homeserver[:server]}/_matrix/client/v3/join/#{homeserver[:room]}")
      req = Net::HTTP.post(uri_join, JSON.generate({}), headers)
      # Parse response
      resp = JSON.parse(req.body)

      # Now we're safe to re-try
      if resp.key?('room_id')
        req = Net::HTTP.post(uri_send_message, JSON.generate(data), headers)
        # Parse response
        resp = JSON.parse(req.body)
        puts resp
      end
    end
  else
    puts '===== NEWS START ====='
    puts output
    puts '===== NEWS END ====='
  end
end

# File _plugins/feeds.rb, line 66
def serialise(site, feed_path, builder)
  # The builder won't let you add a processing instruction, so we have to
  # serialise it to a string and then parse it again. Ridiculous.
  if ! Dir.exist?(File.dirname(feed_path))
    FileUtils.mkdir_p(File.dirname(feed_path))
  end

  # First the 'default' with explanatory portion
  finalised = Nokogiri::XML builder.to_xml
  pi = Nokogiri::XML::ProcessingInstruction.new(
    finalised, 'xml-stylesheet',
    %(type="text/xml" href="#{site.config['url']}#{site.baseurl}/feed.xslt.xml")
  )
  finalised.root.add_previous_sibling pi
  File.write(feed_path, finalised.to_xml)

  # Then the widget-compatible version with a more minimal representation:
  finalised = Nokogiri::XML builder.to_xml
  pi = Nokogiri::XML::ProcessingInstruction.new(
    finalised, 'xml-stylesheet',
    %(type="text/xml" href="#{site.config['url']}#{site.baseurl}/feed-widget.xslt.xml")
  )
  finalised.root.add_previous_sibling pi
  File.write(feed_path.gsub(/\.xml$/, '.w.xml'), finalised.to_xml)

  # Write out HTML version since Safari doesn't support XSLT on XML. Rip.
  File.write(feed_path.gsub(/\.xml$/, '.w.html'), FEED_WIDGET_XSLT.transform(finalised))
end

# File _plugins/gtn/supported.rb, line 215
def short_id(tool_id)
  if tool_id.count('/') > 4
    tool_id.split('/')[0..-2].join('/')
  else
    tool_id
  end
end

# File bin/validate-contributors.rb, line 29
def show_errors(file, errs)
  # If we had no errors, validated successfully
  if errs.empty?
    puts "\e[38;5;40m#{file} validated succesfully\e[m"
    0
  else
    # Otherwise, print errors and exit non-zero
    puts "\e[48;5;09m#{file}  has errors\e[m"
    errs.each { |x| puts "  #{x}" }
    1
  end
end

# File bin/ari-prep-script.rb, line 56
def split_sentence(sentence, timing)
  res = sentence.split
  chunk_size = (res.length.to_f / (res.length.to_f / 20).ceil).ceil
  chunks = res.each_slice(chunk_size).to_a.length
  res.each_slice(chunk_size).with_index.map do |chunk, idx|
    t0 = timing * (idx / chunks.to_f)
    tf = timing * ((1 + idx) / chunks.to_f)
    [chunk, t0, tf]
  end
end

# File bin/ari-synthesize.rb, line 101
def synthesize(uncorrected_line, engine, voice: 'Amy', lang: 'en-GB', neural: true, output: nil)
  line = correct(uncorrected_line)
  digest = Digest::MD5.hexdigest line
  if output.nil?
    mp3 = File.join(GTN_CACHE, "#{engine}-#{digest}-#{voice}.mp3")
    json = File.join(GTN_CACHE, "#{engine}-#{digest}-#{voice}.json")
    if File.file?(mp3)
      duration = JSON.parse(File.read(json))['end']
      return mp3, json, duration.to_f
    end
  else
    mp3 = output
    json = "#{output}.json"
    if File.file?(output)
      return mp3, json, 0.0 # Todo
    end
  end

  # Call our engine
  call_engine(engine, line, mp3, voice, lang, neural)
  duration = find_duration(mp3)

  if line.length < 200 && duration > 27
    # Helena managed to find a specific bad string which, when fed to Mozilla's
    # TTS would generate
    #
    # In: Some important terms you should know.
    # Out Some important terms you should know know know know know know know know know know know know know know ...
    #
    # So we put in a check that the duration hasn't done something crazy, and
    # if it is add something to the end which seems to short-circuit that
    # error.
    #
    # I've reported this upstream but the response was not useful, apparently
    # this is an "expected failure mode".
    #
    # https://github.com/synesthesiam/docker-mozillatts/issues/9
    # https://discourse.mozilla.org/t/sentences-which-trigger-an-endless-loop/72261/8
    warn 'Strange: line was too long'
    call_engine(engine, "#{line}.", mp3)
    duration = find_duration(mp3)
  end

  if line.length < 200 && duration > 27
    # Or maybe they just wrote a super long sentence. Or maybe we need to update the cutoff time.
    warn "ERROR: #{duration} of line is bad: #{line}"
  end

  # Now collect metadata for JSON
  json_handle = File.open(json, 'w')
  json_handle.write(JSON.generate({ time: 0, type: 'sentence', start: 0, end: duration, value: line }))
  json_handle.close

  [mp3, json, duration]
end

# File bin/workflow-test.rb, line 16
def test_workflow(workflow_file, galaxy_id)
  directory = File.dirname(workflow_file)
  workflow_base = File.basename(workflow_file, '.ga')
  workflow_output_json = File.join(directory, "#{workflow_base}.#{galaxy_id}.json")
  galaxy_url = GALAXIES[galaxy_id][:url]
  galaxy_user_key = GALAXIES[galaxy_id][:key]
  cmd = [
    'planemo', '--verbose', 'test',
    '--galaxy_url', galaxy_url,
    '--galaxy_user_key', galaxy_user_key,
    '--no_shed_install',
    '--engine', 'external_galaxy',
    '--polling_backoff', '1',
    '--simultaneous_uploads',
    '--test_output_json', workflow_output_json,
    workflow_file
  ]
  p cmd.join(' ')

  Open3.popen3(*cmd) do |_stdin, stdout, stderr, wait_thr|
    exit_status = wait_thr.value # Process::Status object returned
    File.write("#{directory}/#{workflow_base}.#{galaxy_id}.log", stdout.read)
    File.write("#{directory}/#{workflow_base}.#{galaxy_id}.err", stderr.read)
    puts "#{workflow_file} => #{exit_status} (#{stderr})"
  end
end

# File bin/ari-prep-script.rb, line 39
def timefmt(t, fmt)
  seconds = t % (24 * 3600)
  hours = seconds.to_i / 3600
  seconds = seconds % 3600
  minutes = seconds.to_i / 60
  seconds = seconds % 60
  (seconds, ms) = seconds.divmod(1)
  # seconds = seconds
  ms = 1000 * ms

  if fmt == 'vtt'
    format('%<h>02d:%<m>02d:%<s>02d.%<ms>03d', { h: hours, m: minutes, s: seconds, ms: ms })
  else
    format('%<h>02d:%<m>02d:%<s>02d,%<ms>03d', { h: hours, m: minutes, s: seconds, ms: ms })
  end
end

# File bin/news.rb, line 147
def titleize(t)
  t.gsub('-', ' ').gsub(/\w+/, &:capitalize)
end

# File _plugins/feeds.rb, line 30
def track(url)
  if url =~ /utm_source/
    url
  elsif url.include? '#'
    url.gsub(/#/, TRACKING + '#')
  else
    url + TRACKING
  end
end

# File bin/ari-synthesize.rb, line 24
def translate(word)
  return word if /^\s+$/.match(word)

  return word if PUNCTUATION.find_index(word)

  return WORD_MAP[word] if WORD_MAP.key?(word)

  m = /([^A-Za-z0-9]*)([A-Za-z0-9]+)([^A-Za-z0-9]*)(.*)/.match(word)

  if !m
    puts "Error: #{word}"
    return word
  end

  fixed = if m[2]
            WORD_MAP.fetch(m[2].downcase, m[2])
          else
            m[2]
          end

  # puts "#{m} ⇒ #{m[1] + fixed + m[3]}"
  m[1] + fixed + m[3] + m[4]
end

# File _plugins/util.rb, line 56
def unsafe_slugify(text)
  text.gsub(%r{["'\\/;:,.!@#$%^&*()]}, '').gsub(/\s/, '-').gsub(/-+/, '-')
end

# File bin/update-data-library, line 55
def update_data_library(path, topic, tutorial, zenodo_record)
  zenodo_id = zenodo_record['id'].to_s
  zenodo_files = zenodo_record.fetch('files', []).map do |f|
    official_extension = f['type']

    link = f['links']['self'].sub(%r{/content$}, '')
    unofficial_extension = link.split('.')[-2..].join('.')
    ext = @SHARED_DATATYPES.fetch(unofficial_extension, nil) || @SHARED_DATATYPES.fetch(official_extension, nil)

    # Example:
    # https://zenodo.org/api/records/10870107/files/elem_s2_r1.fq.gz/content
    # Needs to be
    # https://zenodo.org/record/10870107/files/elem_s2_r1.fq.gz
    real_link = f['links']['self'].sub(%r{/content$}, '').sub('/api/records/', '/record/')
    # puts "Processing file: #{f['type']} #{f['links']['self']} => #{ext}"
    # puts "#{unofficial_extension} => #{@SHARED_DATATYPES.fetch(unofficial_extension, nil)}"
    # puts "#{official_extension} => #{@SHARED_DATATYPES.fetch(official_extension, nil)}"
    warn "Unknown file type: #{f['type']}. Consider adding this to shared/datatypes.yaml" if ext.nil?

    {
      'url' => real_link,
      'src' => 'url',
      'ext' => ext || f['type'],
      'info' => "https://doi.org/10.5281/zenodo.#{zenodo_id}",
      # 'checksum' => f['checksum'],
      # 'key' => f['key'],
    }
  end

  library = {
    'destination' => {
      'type' => 'library',
      'name' => 'GTN - Material',
      'description' => 'Galaxy Training Network Material',
      'synopsis' => 'Galaxy Training Network Material. See https://training.galaxyproject.org',
    },
    'items' => [
      'name' => topic['name'],
      'description' => topic['description'],
      'items' => [
        'name' => tutorial['name'],
        'items' => [
          'name' => "DOI: 10.5281/zenodo.#{zenodo_id}",
          'description' => 'latest',
          'items' => zenodo_files
        ]
      ]
    ]
  }
  data_library_path = data_library_for_tutorial(path)
  puts "Writing data library to #{data_library_path}"
  File.write(data_library_path, library.to_yaml)
end

# File bin/update-data-library, line 48
def update_tutorial(path, zenodo_id)
  # Edit the yaml header of the markdown file to update the ID
  contents = File.read(path)
  contents.gsub!(/^zenodo_link:.*/, "zenodo_link: 'https://zenodo.org/record/#{zenodo_id}'")
  File.write(path, contents)
end

# File _plugins/util.rb, line 42
def url_prefix(site)
  if !site.config.nil? && site.config.key?('url')
    "#{site.config['url']}#{site.config['baseurl']}"
  else
    'http://localhost:4000/training-material/'
  end
end

# File bin/validate-contributors.rb, line 22
def validate_document(document, validator)
  errors = validator.validate(document)
  return errors if errors && !errors.empty?

  []
end

# File _plugins/api.rb, line 32
def visitAndMarkdownify(site, f)
  case f
  when Array
    f.map! { |x| visitAndMarkdownify(site, x) }
  when Hash
    f = f.transform_values do |v|
      visitAndMarkdownify(site, v)
    end
  when String
    f = markdownify(site, f).strip.gsub(/<p>/, '').gsub(%r{</p>}, '')
  end
  f
end

# File bin/update-data-library, line 109
def write_data_library(path, topic, tutorial, tutorial_zenodo_id, force)
  # Fetch the zenodo record
  zenodo_record = request("https://zenodo.org/api/records/#{tutorial_zenodo_id}")
  new_zenodo_id = zenodo_record['id'].to_s

  # If it's redirected we'll get a different ID here
  puts "Discovered zenodo link: #{new_zenodo_id}"

  # So load the data library, and check what's written there
  datalibrary_zenodo_id = if File.exist?(data_library_for_tutorial(path))
                            YAML.load_file(data_library_for_tutorial(path))['zenodo_id'].to_s
                          end

  # If the ID has changed we should update the tutorial as well:
  if new_zenodo_id == tutorial_zenodo_id && !force
    warn 'Tutorial is up to date'
  else
    warn "Zenodo ID has changed from #{tutorial_zenodo_id} to #{new_zenodo_id}, updating the tutorial"
    update_tutorial(path, new_zenodo_id)
  end

  # If the new ID doesn't match the data library, then we should update it.
  if new_zenodo_id == datalibrary_zenodo_id && !force
    warn 'Data library is up to date'
  else
    warn "Zenodo ID has changed from #{datalibrary_zenodo_id} to #{new_zenodo_id}, updating the data library"
    update_data_library(path, topic, tutorial, zenodo_record)
  end
end