nicobook.rb

nicobook.rb

require 'open-uri'
require 'kconv'
require 'rexml/document'


def make_url(aws_key, options)
	res = "http://webservices.amazon.co.jp"
	res += "/onca/xml?Service=AWSECommerceService"
	res += "&AWSAccessKeyId=#{aws_key}"
	res += "&SearchIndex=Books"
	res += "&ResponseGroup=Small,Images"

	options.each_key do |key|
		res += "&#{key}=#{options[key]}"
	end

	res
end

def keyword_search(aws_key, keyword)
	url = make_url(aws_key, {
		:Operation => "ItemSearch",
		:Keywords => keyword
	})

	open(url) do |fp|
		yield(REXML::Document.new(fp.read).root)
	end
end

def isbn_search(aws_key, isbn)
	url = make_url(aws_key, {
		:Operation => "ItemLookup",
		:IdType => "ISBN",
		:ItemId => isbn
	})

	open(url) do |fp|
		File.open("tmpxml.xml", "w") do |wfp|
			wfp.write(fp.read)
		end
		#yield(REXML::Document.new(fp.read).root)
	end
end

lambda {
	aws = ""
	File.open("tmp") do |fp|
		aws = fp.read.strip
	end

=begin
	keyword_search(aws, "Ruby") do |doc|
		doc.elements.each("Items/Item/ItemAttributes/Title") do |elem|
			puts Kconv.toeuc(elem.text)
		end
	end
=end

=begin
	isbn_search(aws, "4163233105") do |doc|
		doc.elements.each("Items/Item/ItemAttributes") do |attrs|
			p attrs
			#puts Kconv.toeuc(attrs.elements["title"].text)
			#puts Kconv.toeuc(elem.text)
		end
	end
=end

	File.open("tmpxml.xml") do |fp|
		doc = REXML::Document.new(fp.read).root

		doc.elements.each('Items/Item') do |item|
			attrs = item.elements['ItemAttributes']
			imgs = item.elements['MediumImage']
			
			title = Kconv.toeuc(attrs.elements['Title'].text)
			author = Kconv.toeuc(attrs.elements['Author'].text)
			company = Kconv.toeuc(attrs.elements['Manufacturer'].text)

			image = imgs.elements['URL'].text
			puts image
		end
	end
}[]