require 'rubygems'
require 'active_record'
require 'simple-rss'
require 'open-uri'
require 'twitter'

#twitter account to post to
twitter_email = "yourtwitteremail@bla.com"
twitter_password = "secret"

#rss feed to post
rss_url = "http://yoursite.com/index.xml"
rss_user_agent = "http://twitter.com/yourbot"

#sqlite db
path_to_sqlite_db = "/PATH/TO/db.sqlite"


ActiveRecord::Base.logger = Logger.new(STDERR)
ActiveRecord::Base.colorize_logging = false

ActiveRecord::Base.establish_connection(
    :adapter => "sqlite3",
    :dbfile  => path_to_sqlite_db
)

#uncomment this section the first time to create the table
#
#ActiveRecord::Schema.define do
#    create_table :item do |table|
#        table.column :title, :string
#        table.column :link, :string
#    end
#end

class Item < ActiveRecord::Base
  def to_s
    "#{self.title[0..(130-self.link.length)]} - #{self.link}"
  end
end

#run the beast
rss_items = SimpleRSS.parse open(rss_url ,"User-Agent" => rss_user_agent)

for item in rss_items.items
  Item.transaction do
    unless existing_item = Item.find(:all, :conditions => ["link=?", item.link]).first
      twitter ||= Twitter::Base.new(twitter_email, twitter_password)
      new_item = Item.create(:title => item.title, :link => item.link) 
      twitter.post(new_item.to_s)
    end
  end
end

namespace :db do
  namespace :fixtures do
    
    desc 'Create YAML test fixtures from data in an existing database.  
    Defaults to development database.  Set RAILS_ENV to override.'
    task :dump => :environment do
      sql  = "SELECT * FROM %s"
      skip_tables = ["schema_info"]
      ActiveRecord::Base.establish_connection(:development)
      (ActiveRecord::Base.connection.tables - skip_tables).each do |table_name|
        i = "000"
        File.open("#{RAILS_ROOT}/test/fixtures/#{table_name}.yml", 'w') do |file|
          data = ActiveRecord::Base.connection.select_all(sql % table_name)
          file.write data.inject({}) { |hash, record|
            hash["#{table_name}_#{i.succ!}"] = record
            hash
          }.to_yaml
        end
      end
    end
  end
end

rake db:fixtures:dump

rake db:migrate
rake db:fixtures:load