Refactoring using Sandi Metz 99 bottles examples for Rails helper

from_this.rb

module PlaylistCommentsHelper
  def pinning_link(comment)
    if comment.pinned?
      unpin_link(comment)
    else
      pin_link(comment)
    end
  end

  def unpin_link(comment)
    link_to 'Unpin', playlist_playlist_comment_path(playlist_id: comment.playlist.id, id: comment.id, playlist_comment: { pinned: false }), remote: true, method: :patch
  end

  def pin_link
    link_to 'Pin', playlist_playlist_comment_path(playlist_id: comment.playlist.id, id: comment.id, playlist_comment: { pinned: true }), remote: true, method: :patch
  end
end

to_this.rb

module PlaylistCommentsHelper
  def pinning_link(comment)
    link_to(pinning_text_label(comment), playlist_playlist_comment_path(pinning_params(comment, pinning_value(comment))), pinning_http_params)
  end

  private

  def pinning_params(comment, will_pin = true)
    { playlist_id: comment.playlist.id, id: comment.id, playlist_comment: { pinned: will_pin } }
  end

  def pinning_http_params
    { remote: true, method: :patch }
  end

  def pinning_text_label(comment)
    comment.pinned? ? 'Unpin' : 'Pin'
  end

  def pinning_value(comment)
    comment.pinned?
  end
end