Simple module that allows you to easily search for images in tweets relative to a keyword

gistfile1.rb

require 'rubygems'
require 'httparty'
require 'uri'

module PictureSearch
  
  class TwitterSearch
    include HTTParty
    base_uri 'search.twitter.com'
    default_params :output => 'json'
    format :json

    def self.find_pics(q, page = 1, per_page = 100)
      get('/search.json', :query => {:q => q, :page => page, :rpp => per_page})["results"]
    end
  end
  
  def self.thumb_for(url)
    thumb = nil
    if url =~ /twitpic/
      pid = url.match(/http:\/\/twitpic\.com\/([a-zA-Z0-9]+)/).captures[0]
      thumb = "http://twitpic.com/show/thumb/#{pid}"
    elsif url =~ /yfrog/
      pid = url.match(/http:\/\/yfrog\.[a-z.]+\/([a-zA-Z0-9]+)/).captures[0]
      thumb = "http://yfrog.com/#{pid}.th.jpg"
    else
      return nil
    end
  end
  
  class Scraper
    def self.grab(keyword, page = 1, per_page = 100)
      q = "#{keyword} twitpic.com OR yfrog."
      tweets = TwitterSearch.find_pics(q,page,per_page)
      tweets = tweets.collect do |r| 
        h = {"text"=> r["text"], "from_user"=> r["from_user"], "id"=> r["id"], "profile_image_url"=> r["profile_image_url"]}
        h["pics"] = URI.extract(r["text"],"http")
        h["pics"] = h["pics"].select{|p| (p =~ /twitpic/) || (p =~ /yfrog/)}
        h
      end
      
      tweets
    end  
  end
  
end