gistfile1.rb

require "thor"
require "json"
require "pp"
require "asciiart"

class GithubCLI < Thor
  desc "user [USER]", "show information for a particular user"
  option "width", type: :numeric, aliases: "-w", default: 50,
                  banner: "The width of the ASCII art to show"
  def user(name)
    say "Fetching user from Github...", :green

    fetch_user(name) do |user|
      puts
      say AsciiArt.new(user["avatar_url"]).to_ascii_art(width: options.width)
      print_table user.reject {|k,v| k =~ /_(id|url|at)$/ }.map {|k,v| [k.sub("_", " "), v] }
    end
  end

  desc "followers [USER]", "show the followers for a particular user"
  def followers(name)
    fetch_user(name) do |user|
      get_json(user["followers_url"]) do |followers|
        say "List of followers\n\n"
        with_padding do
          followers.each_with_index.map { |f, i|
            say "#{i}. #{f["login"]}", :green
          }
        end

        if yes?("Do you want to open any of the followers' Github page?")
          which = ask("Which one (by number)?").to_i
          `open #{followers[which]["html_url"]}`
        end
      end
    end
  end

private
  def fetch_user(username, &block)
    get_json("/users/#{username}", &block)
  end

  def get_json(path)
    Net::HTTP.start("api.github.com", 443, use_ssl: true) do |http|
      request = Net::HTTP::Get.new(path)
      request.basic_auth "<username>", "<token>"
      yield JSON.parse(http.request(request).body)
    end
  end
end

GithubCLI.start(ARGV)