omokoro-random.gemspec

Gem::Specification.new do |spec|
  spec.name          = "omokoro-random"
  spec.version       = "0.0.1"
  spec.authors       = ["momozono"]
  spec.email         = ["tanatana1089@gmail.com"]
  spec.summary       = "return random article of omokoro."
  spec.files         = ["omokoro-random.rb"]
  spec.require_path  = "."
end

omokoro-random.rb

module Ruboty
  module Handlers
    class Nfu < Base
      on(
        /omokoro/,                        
        name: "omokoro",                      #メソッドが呼ばれる
        description: "post random omokoro article" # "@ruboty help"
      )
      def omokoro(msg)
        title_array = Array.new
	  opts = { :depth_limit => 0 }
	  Anemone.crawl("http://omocoro.jp/", opts) do |anemone|
	    anemone.on_every_page do |page|
	      page.doc.xpath("//*[@id='topics']/ul[@class='list-main']//ul/li[@class='content']/span[@class='title']/a").each do |node|
	        node.xpath("./text()").each do |title|
		  title_array << title.to_s
	        end
	      end
	    end
          end
          msg.reply(title_array[rand(7)])
      end
    end
  end
end