Hackers New For Terminal Flexible Width

hackers_news_terminal.rb

#!/usr/bin/env ruby

require "httparty"
require "nokogiri"
require "rainbow"
require "ostruct"
require "shorturl"


def show_latest

  response = HTTParty.get("http://news.ycombinator.com")
  if response.body == @previous_body
    return
  end
  @previous_body = response.body

  html = Nokogiri::HTML(response.body)
  items = []
  html.css("td.title a").each do |node|
    unless node.text == "More"
      items << OpenStruct.new(:points => node.parent.parent.next_sibling.css("span").text, :title => node.text, :url => node["href"])
    end
    break if items.size == 10
  end 

  puts "\e[H\e[2J"

	max_width = terminal_size()[0]
	
  puts "Hacker News".ljust(max_width).background("#ff6600").foreground(:black)
  puts " ".ljust(max_width).background("#f6f6ef").color(:blue)
  items.each do |item|
    title = (item.title + " ").background("#f6f6ef").color(:black)
    
		points = "(#{item.points})".rjust(max_width - item.title.size - 1).background("#f6f6ef").color(:red)

		if item.url.size > max_width
			url = item.url.ljust(item.url.size + (max_width - (item.url.size - max_width))).background("#f6f6ef").color(:blue)
		else
			url = item.url.ljust(max_width).background("#f6f6ef").color(:blue)
		end
		
		puts "#{title}#{points}"
		puts "#{url}"

  end


end
def terminal_size 
	`stty size`.split.map { |x| x.to_i }.reverse 
end 
trap("SIGINT") { throw :ctrl_c }

catch :ctrl_c do
	begin
		loop {
  		show_latest
  		sleep 60
		}
	rescue Exception
	end
end