Watches for the Plops of Twitter dropping your friends

plop.rb

require 'rubygems'
require 'twitter'
require 'Getopt/Declare'

class Plop

  attr_accessor :who, :seed_file, :peep_list

  def initialize(who, seed_file='./plop.seed')
    @who = who
    @seed_file = seed_file 
  end

  # Only two methods that actually use the Twitter gem
  # Leave them here, same place, easy to switch out
  def get_my_peeps
    Twitter.friend_ids(@who).ids
  end
  
  def id_to_name(id)
    Twitter.user(id).screen_name
  end
  
  # You must call this first
  def pull_peeps_list
    @peep_list = self.get_my_peeps()
    self
  end

  # if seeding, open the seed and dump the follower_ids
  def do_seeding
    File.open(@seed_file, 'w+') do |f|
      Marshal.dump @peep_list, f
    end
    self
  end

  def excrete(action, ids)
    ids.each do |id|
      puts "#{action} " + self.id_to_name(id)
    end
  end

  def method_missing(sym, *args, &block)
    excrete '*' + sym.to_s.upcase + '*', args[0]
    self
  end

  def check_current_against_seed
    change = false
    File.open(@seed_file, 'r') do |f|
      @seeds = Marshal.load f
    end
    report = { }
    # diff seeded and get_my_peeps
    some_plops = @seeds - @peep_list
    # if seeds has more, Twitter dropped users, issue plops
    if some_plops.size > 0
      change = true
      plop some_plops
    end

    # if seeds has less, you added some users, issue pips
    some_pips = @peep_list - @seeds
    if some_pips.size > 0
      change = true
      pip some_pips
    end

    if not change
      puts "All clean!"
    end
    report['plops'] = some_plops
    report['pips']  = some_pips
    report
  end
  # yeah, just because
  alias :check :check_current_against_seed
  alias :pull :pull_peeps_list
  alias :seed! :do_seeding
end
#
# This is for checking for those 'plops' of Twitter
# randomly dropping your friends. Also contains some
# 'pips' of friends being added.
#
args = Getopt::Declare.new(%q{

    <handle>      Twitter handle [required]
    -s            Do seeding
})

# You have to run a seeding at least the first
# time around
# Example:
# ruby plop.rb yourtwitterhandle -s
# (dumps a plop.seed in your current dir)
# Sometime later run
# ruby plop.rb yourtwitterhandle
# and it will spit out Plops and Pips
# Then run rerun the seeding.
if args['-s']
  Plop.new(args['<handle>']).pull.seed!
else
  r = Plop.new(args['<handle>']).pull.check
end