buffer_api.rb

class BufferApi
  BUFFER_ROOT = 'https://api.bufferapp.com/1/'

  def initialize(options)
    @token = options[:token] || ENV.fetch('BUFFER_TOKEN')
    @profile_ids = options.fetch(:profile_ids)
    @client = RestClient
  end

  def queue(content)
    post_request('updates/create.json', content)
  end

  def send_now(content)
    content.merge!(now: true)
    post_request('updates/create.json', content)
  end

  private

  def post_request(end_point, content)
    @client.post url(end_point), default_params.merge(content)
  end

  def url(end_point)
    BUFFER_ROOT + end_point
  end

  def default_params
    { profile_ids: @profile_ids, access_token: @token }
  end
end

twitter_bot__base.rb

class TwitterBot::Base
  class << self
    def send_tweet(text:, image_url: nil, queue: true)
      new.send_tweet(text: text, image_url: image_url, queue: queue)
    end
  end

  def send_tweet(text:, image_url: nil, queue: true)
    return unless send_tweets?

    leave_space = :one_attachment if image_url.present?
    message = TwitterMessage.new(text, leave_space: leave_space)
    media_hash = image_url.present? ? { photo: image_url } : nil

    if queue
      buffer_client.queue(text: message.to_tweet, media: media_hash)
    else
      buffer_client.send_now(text: message.to_tweet, media: media_hash)
    end
  end

  private

  def send_tweets?
    Rails.configuration.x.send_tweets.present?
  end

  def buffer_client
    @buffer_client ||= BufferApi.new(profile_ids: [buffer_account_id])
  end

  def buffer_account_id
    fail NotImplementedError, 'You must implement buffer_account_id in each kind of Twitter Bot'
  end
end

twitter_bot__product_hunt_hi.rb

class TwitterBot::ProductHuntHi < TwitterBot::Base
  private

  def buffer_account_id
    ENV.fetch('BUFFER_PRODUCT_HUNT_HI_ID')
  end
end

usage.rb

  MESSAGE_TEMPLATES = [
    'Woohoo! %s was upvoted for the 100th time. 🙌',
    '%s was upvoted 100 times. Mom & dad would be proud 😄',
    # … many many more
  ]

  MESSAGE_GIFS = %w(
    batman-thumbs-up.gif
    dance-and-shake.gif
    # … many many more
  )


tweet = ['@' + maker.twitter_username,
         format(MESSAGE_TEMPLATES.sample, post.name),
         Routes.post_url(post)]

TwitterBot::ProductHuntHi.send_tweet(text: tweet, image_url: S3Helper.image_url(MESSAGE_GIFS.sample), queue: false)