This is a JStwitter client lesson

JStwitter.rb

require 'jumpstart_auth'

class JSTwitter
  attr_reader :client

  def run
    puts "Welcome to the JSL Twitter Client!"
    command = ""
    while command != "q"
      printf "enter command: "
      input = gets.chomp
      parts = input.split(" ")
      command = parts[0]
      case command
        when 'q' then puts "Goodbye!"
        when 't' then tweet(parts[1..-1].join(" "))
        when 'dm' then dm(parts[1], parts[2..-1].join(" "))
        when 'elt' then everyones_last_tweet
          else
            puts "Sorry, I don't know how to #{command}"
      end
    end
  end

  def initialize
    puts "Initializing"
    @client = JumpstartAuth.twitter
  end


  def tweet(message)
    if message.length <=140
      @client.update(message)
    else
      puts "Warning, Tweet is too long."
    end

  end

  def dm(target, message)
    screen_names = @client.followers.collect{|follower| follower.screen_name}
    screen_names.each do |sn|
      puts sn
    end
    if screen_names.include?(target)
      puts "Trying to send #{target} this direct message:"
      puts message
      a = "d" + " " + target + " " + message
      tweet(a)
    else
      puts "Cannot DM, you can only DM people who follow you."
    end
  end

  #def followers_list
  #  screen_names = @client.followers.collect{|follower| follower.screen_name}
  #end


  def everyones_last_tweet
    friends = @client.friends
    friends.each do |friend|
      b = friends.status.text # find each friends last message
      puts friend.screen_name # print each friend's screen_name
      puts b # print each friend's last message
      puts ""  # Just print a blank line to separate people
    end
  end



  jst = JSTwitter.new
  jst.run
end