trend.rb

# -- coding: utf-8
=begin
Twitter trend plugin for earthquake.gem

    ⚡ :trend
    trend of Japan
    及川光博 
    #アメリカ版東方projectにありがちなこと 
    年齢にテンション 
    金麦のcm 
    ワージッ 
    幸村vs 
    #眼鏡ユーザーあるある 
    モテ仕草 
    共演がきっかけ 
    #up_bl_fes 
    ⚡ 

    ⚡ :trend london
    trend of London
    #thingswelearnedontwitter 
    ITV Player 
    #1yeartogo 
    #olympic 
    Canford Cliffs 
    London Olympics 
    Aquatics Centre 
    Kenan   Kel 
    Ofgem 
    Olympic Games 
    ⚡ 
=end

require "rubygems"
require "nokogiri"

Earthquake.init do
  _ = config[:trend] ||= {}
  _[:woeid] ||= 23424856 # japan http://sigizmund.info/woeidinfo/?woeid=japan

  process = proc do |woeid|
    url = "http://api.twitter.com/1/trends/#{woeid}.json"
    res = Net::HTTP.get(URI.parse(url))
    json = JSON.parse(res) 
    if json.class != Array && json["error"]
      puts json["error"]
    else
      puts "trend of #{json.first["locations"].first["name"]}".c(36)
      json.first["trends"].each{|t|
        puts "#{t["name"]} " if t["name"]
      }
    end
  end

  command :trend do
    process.call(_[:woeid])
  end

  command :trend do |m|
    woeid = m[1].strip
    unless woeid.match(/\A[0-9]+\Z/)
      url = "http://sigizmund.info/woeidinfo/?woeid=#{URI.escape(woeid)}"
      res = Net::HTTP.get(URI.parse(url))
      doc = Nokogiri::HTML.parse(res)
      woeid = doc.at('h3').next_sibling.text.match(/[0-9]+/).to_a.first || _[:woeid]
    end
    process.call(woeid)
  end
end