Export speakers.yml for rk.org/2015

speakers_yml.erb

<%= @speaker.id %>:
  id: <%= @speaker.id %>
  name: <%= @speaker.name %>
  bio: |
  <%- @speaker.bio.lines do |line| -%>
    <%= line.chomp %>
  <%- end -%>
  github_id: <%= @speaker.github %>
  twitter_id: <%= @speaker.twitter %>
  avatar_url: <%= @speaker.gravatar_url %>

speakers_yml.rb

require 'erb'

module RubyKaigi
  class Speaker
    delegate :name, to: :@cfp

    def initialize(cfp_speaker)
      @cfp = SpeakerDecorator.new(cfp_speaker)
    end

    def id
      github || twitter || @cfp.name.parameterize.underscore
    end

    def bio
      @cfp.bio.encode(:universal_newline => true).gsub(/\n{2,}/, "\n")
    end

    def github
      extract_screenname(@cfp.link_to_github)
    end

    def twitter
      extract_screenname(@cfp.link_to_twitter)
    end

    def gravatar_url
      "http://www.gravatar.com/avatar/#{@cfp.gravatar_hash}?s=220"
    end

    private

    def extract_screenname(url)
      url[%r|@(.+)</a>|, 1]
    end
  end
end


SPEAKER_YML_ERB = File.read(File.expand_path('../speakers.yml.erb', __FILE__))
SPEAKER_YML = ERB.new(SPEAKER_YML_ERB, nil, '-')
speakers_yml = ''

rk2015 = Event.find(1)
accepted_confirmed_proposals =
  rk2015.proposals.includes(:session, speakers: :person)
    .for_state([Proposal::State::ACCEPTED, Proposal::State::SOFT_ACCEPTED])
    .select(&:confirmed?)
speakers = accepted_confirmed_proposals.map(&:speakers).flatten
  .reject{|s| !s.person}.map{|s| RubyKaigi::Speaker.new(s)}

speakers.sort_by(&:name).each do |s|
  @speaker = s
  speakers_yml << SPEAKER_YML.result(binding)
end

puts speakers_yml