       ...>     "first_name" => "George",
       ...>     "last_name" => "C.",
       ...>     "uid" => 358,
-      ...>     "user_link" => "http://path/to/comment/user",
       ...>     "user_name" => "george"
       ...>   }
       ...> },

    checkin_user_id = checkin["user"]["uid"]
    comment_text = comment["comment"]
    comment_user_id = comment["user"]["uid"]
    comment_user_link = comment["user"]["user_link"]
    comment_user_name = Slacktapped.Utils.parse_name(comment["user"])

    text = cond do
      checkin_user_id == comment_user_id ->
        "<#{comment_user_link}|#{comment_user_name}> commented on " <>
        "<#{c.checkin_url}|their checkin> of " <>
        "#{c.beer} and said:\n>#{comment_text}"
      true ->
        "<#{comment_user_link}|#{comment_user_name}> commented on " <>
        "<#{c.checkin_url}|#{c.user_name}'s checkin> of " <>
        "#{c.beer} and said:\n>#{comment_text}"
    end

        "color" => "#FFCF0B",
        "fallback" => "nicksergeant commented on nicksergeant's checkin.",
        "mrkdwn_in" => ["text"],
        "text" => "nicksergeant commented on " <>
          "<https://untappd.com/user/nicksergeant/checkin/567|their " <>
          "checkin> of <https://untappd.com/b/two-lake-ipa/123|IPA> and " <>
          "said:\n>I loved this!"
