Facebook birthday replier

replier.rb

#!/usr/bin/env ruby
# Usage:
#   replier.rb <pass access token here>
#   access_token="your access token goes here" replier.rb
#
#   If your access_token is expired, you can get a 400 bad request exception. Go get a fresh access_token in that case.

require 'rest-client'
require 'json'
require 'time'
require 'date'

at = ENV['access_token'] || ARGV[0]

if at.nil?
  $stderr.write 'go get an access token at https://developers.facebook.com/tools/explorer/ with permissions to read your birthday, feed and post on your behalf'
  exit 1
end

fb_base_uri = "https://graph.facebook.com"

profile = RestClient.get(fb_base_uri + "/me?access_token=#{at}")
bday = JSON.parse(profile)['birthday']
the_month, the_day, the_year =  bday.split("/")

rsp = RestClient.get(fb_base_uri + URI.encode("/me?fields=id,name,feed.limit(200).fields(created_time,id,message,comments,name,from)&access_token=#{at}"))
wishes = JSON.parse(rsp)['feed']['data']

responses = ["Hey, thank you ", "Hey, thanks ", "Thank you ", "Thanks "]
smileys = [" :)", " :-)", " :):)", " :^)"]
#not using this pool at the moment
special_pool = {"rushikesh" => "rushya, goundya", "srinidhi" => "nidhi.py ;)"} #customized reponses

wishes.each {|wish|
  begin
    next unless wish['message']

    #skip if there is no belated or if the post isnt from my b'day
    post_date = Time.parse(wish['created_time']).to_date
    next if (!wish['message'].match(/belated|b'lated/i)) && (!(post_date.day == the_day.to_i && post_date.month == the_month.to_i))

    #return if you have already replied
    return if wish['comments']

    from = wish['from']['name'].split(/ /).first

    special_response = wish["message"].match(/(le)|(macha)/)
    north_karnataka_maryade = "le " if special_response && special_response[1]
    south_karnataka_maryade = "macha " if special_response && special_response[2]
    from = (north_karnataka_maryade || south_karnataka_maryade || "" ) + from

    pick_a_response = responses[rand(responses.count)]
    spice_it_up = pick_a_response + from + smileys[rand(smileys.count)]

    puts "replying to #{wish['from']['name']} \n message: wish['message']\n response:  #{spice_it_up}"

    post_id = wish['id']
    resp = RestClient.post(fb_base_uri + "/#{post_id}/comments", {"message" => spice_it_up, "access_token" => at})
  rescue Exception => xcp
    puts post_id
  end
}