search for and download album art from amazon by movesmyers

fetchart.rb

#!/usr/bin/ruby -w

# search amazon for album art. 
# run this from the directory where the album resides. 

require 'rubygems'
require 'hpricot'
require 'open-uri'
# ****************************************************************
# Additional functionality
# ****************************************************************
check = false
until check do
workingdirectory = "notadirectory123"
Dir.chdir()
	until File::directory?("#{workingdirectory}") do				# Check workingdirectory is a directory
		puts "enter album directory:"
		workingdirectory = gets.chomp								# Get input from user; for directory
		workingdirectory = File.expand_path("#{workingdirectory}")	# Normalize input to navigate to path
		workingdirectory = "#{workingdirectory}".gsub("\\ ", " ")
		workingdirectory = workingdirectory.squeeze(" ").strip
		if File::directory?("#{workingdirectory}")					
			Dir.chdir("#{workingdirectory}")	
			puts "#{workingdirectory}"							# Change to specified directory
		else
			puts "#{workingdirectory} is not a valid directory, try again."
		end
	end
	
# ****************************************************************
# This is the original code
# ****************************************************************
	puts "enter artist name: "
	artist = gets.chomp
	puts "enter album name: "
	album = gets.chomp

	url = "http://www.google.com/search?q=site:amazon.com" + "+" + "#{artist}" + "+" + "#{album}" + "+&btnI=745"
	url.gsub!(" ", "+")

	raw = Hpricot(open("#{url}"))
	ele = raw.search("img[@src*=jpg]").first
	img = ele.to_s.match("(\")(.*?)(\")").captures[1]

	open("#{album}.jpg", 'wb') do |file|
		file << open(img.to_s).read
	end
# ****************************************************************
# Additional functionality
# ****************************************************************
	puts "created #{album}.jpg in #{workingdirectory}"
	until check do												# Created loop to check input and repeat for good input
	puts "Do you wish to continue ? (y)(n) : "					# Only accept y or n
		choice = gets.chomp
		if choice == 'n'
			check = true
			puts "Good Bye!"
		elsif choice == 'y'				
			break if choice == 'y'
		else choice != 'n' or 'y'
			puts "#{choice} is not correct input, try again."
		end 
	end
end