cinch-bot fetching youtube titles

cinch-youtube.rb

require 'bundler/setup'
require 'open-uri'
require 'json'
require 'cinch'

API_KEY = 'meep'

class Youtube
  include Cinch::Plugin

  listen_to :channel

  # @param  [Array]
  # @return [Array, nil]
  def title(id)
    url  = "https://www.googleapis.com/youtube/v3/videos?id=#{id.join(',')}&" + \
           "key=#{API_KEY}&part=snippet&fields=items(id,snippet(title))"
    json = JSON.load(open(url))
    json["items"].map { |item| "#{item["id"]} : #{item["snippet"]["title"]}" }
  rescue OpenURI::HTTPError
    nil
  end

  def listen(m)
    id = m.message.scan(
      %r{
        (?:youtube(?:-nocookie)?\.com\/
        (?:[^\/\n\s]+\/\S+\/|(?:v|e(?:mbed)?)\/|
        \S*?[?&]v=)|youtu\.be\/)([a-zA-Z0-9_-]{11})
      }x
    ).uniq
    unless id.empty?
      titles = title(id)
      m.reply titles.join(", ")
    end
  end
end

bot = Cinch::Bot.new do
  configure do |c|
    c.nick = "rubyrage"
    c.server = "irc.freenode.net"
    c.channels = ["#chan1", "#chan2"]
    c.port = 7000
    c.ssl.use = true
    c.ssl.verify = true
    c.plugins.plugins = [Youtube]
  end
end

bot.loggers.level = :info
bot.start

Usage

With bundler

http://bundler.io

Gemfile

source 'https://rubygems.org'
gem 'cinch'

• Place the Gemfile in the same folder

% gem install bundler
% bundle install --path vendor/bundle

• Make sure PATH is set (~/.gem/ruby/2.2.0/bin)

Without bundler

% gem install cinch

• Remove the very first line from the code