Simple class to grab the latest trendy asshole topics.

tweet_trend.rb

require 'json'
require 'open-uri'

# Access the latest Twitter trends.
#
# Usage:
#
#   TweetTrend.new.display
#
#   - or -
#
#   current = TweetTrend.new
#   current.trends.each do |trend|
#     puts trend['name']
#     puts trend['url']
#   end
#
#   current.get_trends  # Re-fetch the trends.
class TweetTrend
  # Accessor for the +trends+ hash.
  attr_accessor :trends

  HOST = 'http://search.twitter.com/trends.json'

  def initialize
    get_trends
  end

  # Prints a list of the +trends+ to STDOUT.
  def display
    $stdout.puts "Twitter trends as of #{@time}"
    $stdout.puts # newline
    @trends.each do |trend|
      $stdout.puts trend['name']
      $stdout.puts "-- #{trend['url']}"
    end
  end

  # Grabs the latest trends from HOST.
  def get_trends
    response = JSON.parse(open(HOST).read)
    @time    = response['as_of']
    @trends  = response['trends']
  end
end