ruboty-totsuzenno.gemspec

Gem::Specification.new do |spec|
  spec.name = "ruboty-totsuzenno"
  spec.version = "0.0.2"
  spec.authors = ["Jun OHWADA"]
  spec.email = ["june29.jp@gmail.com"]
  spec.summary = "Totsuzen no Shi"
  spec.files = ["ruboty-totsuzenno.rb"]
  spec.require_path = "."
end

ruboty-totsuzenno.rb

module Ruboty
  module Handlers
    class Totsuzenno < Base
      on(
        //,
        all: true,
        description: "突然の",
        name: "totsuzenno",
      )

      def totsuzenno(message)
        return if message.from == robot.name
        
        body = message.body.sub(/\s*#{robot.name}:?\s*/, "")
        
        return unless body.match(/\A突然の/)
        
        message.reply(totsuzenize(body))
      end

      private

      def totsuzenize(string)
        length = (string.chars.inject(0){ |sum, c| sum + (c.bytesize > 1 ? 2 : 1) } / 2).floor
        <<-EOS
＿#{"人" * (length + 2)}＿
＞　#{string}　＜
￣Y#{"^Y" * (length + 1)}￣
        EOS
      end
    end
  end
end