gistfile1.rb

require 'open-uri'
require 'json'
require 'mongo'

class FriendFeed
  attr_accessor :user, :database, :collection
  
  def initialize(user, database, collection)
    @user = user
    @database = XGen::Mongo::Driver::Mongo.new.db(database)
    @collection = @database.collection(collection)
  end
  
  def get_url(start, num)
    return "http://friendfeed-api.com/v2/feed/#{@user}?start=#{start.to_s}&num=#{num.to_s}"
  end
  
  def read(start = 1, num = 100)
    return JSON.parse(open(get_url(start, num)).read)
  end
  
  def backup(start,num)
    items = self.read(start, num)
    
    # TODO: check if posts are already in db or not. Something like
    # @collection.find_first['entries'].select{|e| e[id] = "e/25654af6847df198f71195d7f7c0b73f"}
    @collection.save(items)
  end
end

if __FILE__ == $0
  ff = FriendFeed.new('jandot', 'friendfeed', 'items')
  ff.backup(1,20)
end