wvengen/genbooks.rb

## genbooks.rb
#!/usr/bin/env ruby
#
# Basic script to retrieve book metadata.
#
# Usage: genbooks.rb <isbn> [<isbn> [...]] >books.json
# Outputs json file with book metadata, for use as input to genpage.rb
#
# TODO
# - add bol.com
# - add amazon.com books
#
# (c)2015 by wvengen, licensed under GPL version 3 or later
#
require 'uri'
require 'net/http'
require 'json'
require 'gisbn'

def book_worldcat(isbn)
  url = "http://xisbn.worldcat.org/webservices/xid/isbn/#{isbn}?method=getMetadata&format=json&fl=*"
  res = Net::HTTP.get(URI(url))
  books = JSON.parse(res)['list'] or return
  book = books[0] or return
  book and return {
    isbn: book['isbn'][0],
    title: book['title'],
    authors: book['author'],
    year: book['year'],
    publisher: book['publisher'],
    links: {
      worldcat: book['url'][0]
    }
  }
end

def book_google(isbn)
  book = Gisbn::Book.new("#{isbn}")
  book and return {
    isbn: book.isbn_13 || book.isbn_10,
    title: book.title,
    authors: (book.authors rescue nil),
    description: book.description,
    pages: (book.page_count && book.page_count > 0) ? book.page_count : nil,
    thumbnail: (book.thumbnail_small rescue nil),
    links: {
      google: book.preview_link
    }
  }
end


books = []
ARGV.each do |isbn|
  isbn or next

  datas = [book_google(isbn), book_worldcat(isbn), {isbn: isbn}]
  datas.compact!
  datas.each {|b| b.reject! {|k,v| v.nil?}}
  book = datas.reverse.reduce({}) {|m,o| m.merge(o)}
  book[:links] = datas.map{|b| b[:links]}.compact.reduce({}) {|m,o| m.merge(o)}

  books << book
end

puts JSON.dump({books: books})

## genpage.rb
#!/usr/bin/ruby
#
# Quick & dirty script to generate an HTML page with a book matrix.
#
# Usage: genpage.rb <books.json >books.html
# Supply output of genbooks.rb as input. Outputs basic HTML page.
#
# TODO:
# - escape texts and urls (!)
# - sorting
# - split by category / ...
#
# (c)2015 by wvengen, licensed under GPL version 3 or later
#
require 'json'

books = JSON.parse(STDIN.read)

puts """
<html>
<head>
<title>Books</title>
<meta charset='utf-8'>
<style type='text/css'>
  .items .item {
    float: left;
    width: 129px;
    height: 192px;
    padding: 2px;
    margin: 2px;
    position: relative;
  }
  .item img {
    /* this may modify aspect-ratio of images, but I find it giving it a cleaner view */
    width: 129px;
    height: 192px;
  }
  .item .without-cover {
    padding: 6px;
    height: 182px;
    text-align: center;
    background: #e9e9e9;
    overflow: hidden;
  }
  .item .title {
    font-size: 13pt;
    line-height: 15pt;
    letter-spacing: -0.25px;
  }
  .item .authors {
    padding-top: 1.2ex;
    font-size: 11pt;
    line-height: 12pt;
  }
  .item .links {
    position: absolute;
    bottom: 0;
    right: 0;
    margin-bottom: 5px;
    margin-right: 3px;
  }
  .item .link {
    background: rgba(255,255,255,0.8);
    padding: 3px;
    border-radius: 8px;
  }
  .item a.link, .item a.link:hover, .item a.link:active {
    color: black;
  }


</style>
</head>
<body>
"""
puts "<div class='items blocks'>"
books['books'].each do |book|
  txt = [book['title'], "#{book['authors']}#{" (#{book['year']})" if book['year']}", "ISBN #{book['isbn']}"].join("\n")
  puts "  <div class='item'>"
  puts "    <div class='#{'without-' unless book['thumbnail']}cover' title='#{txt.gsub "'", "&#39;"}'>"
  if book['thumbnail']
    puts "      <img src='#{book['thumbnail']}' alt=''>"
  else
    puts "      <div class='title'>#{book['title']}</div>"
    puts "      <div class='authors'>#{book['authors']}</div>"
  end
  puts "    </div>"
  if book['links']
    puts "    <div class='links'>"
    book['links'].keys.sort.each do |key|
      link = book['links'][key]
      puts "      <a href='#{link}' class='link' title='#{key.capitalize}'>#{key[0].upcase}</a>" if link
    end
    puts "    </div>"
  end
  puts "  </div>"
end
puts "</div>"
puts "</body></html>"
	#!/usr/bin/env ruby
	#
	# Basic script to retrieve book metadata.
	#
	# Usage: genbooks.rb <isbn> [<isbn> [...]] >books.json
	# Outputs json file with book metadata, for use as input to genpage.rb
	#
	# TODO
	# - add bol.com
	# - add amazon.com books
	#
	# (c)2015 by wvengen, licensed under GPL version 3 or later
	#
	require 'uri'
	require 'net/http'
	require 'json'
	require 'gisbn'

	def book_worldcat(isbn)
	url = "http://xisbn.worldcat.org/webservices/xid/isbn/#{isbn}?method=getMetadata&format=json&fl=*"
	res = Net::HTTP.get(URI(url))
	books = JSON.parse(res)['list'] or return
	book = books[0] or return
	book and return {
	isbn: book['isbn'][0],
	title: book['title'],
	authors: book['author'],
	year: book['year'],
	publisher: book['publisher'],
	links: {
	worldcat: book['url'][0]
	}
	}
	end

	def book_google(isbn)
	book = Gisbn::Book.new("#{isbn}")
	book and return {
	isbn: book.isbn_13 \|\| book.isbn_10,
	title: book.title,
	authors: (book.authors rescue nil),
	description: book.description,
	pages: (book.page_count && book.page_count > 0) ? book.page_count : nil,
	thumbnail: (book.thumbnail_small rescue nil),
	links: {
	google: book.preview_link
	}
	}
	end


	books = []
	ARGV.each do \|isbn\|
	isbn or next

	datas = [book_google(isbn), book_worldcat(isbn), {isbn: isbn}]
	datas.compact!
	datas.each {\|b\| b.reject! {\|k,v\| v.nil?}}
	book = datas.reverse.reduce({}) {\|m,o\| m.merge(o)}
	book[:links] = datas.map{\|b\| b[:links]}.compact.reduce({}) {\|m,o\| m.merge(o)}

	books << book
	end

	puts JSON.dump({books: books})
	#!/usr/bin/ruby
	#
	# Quick & dirty script to generate an HTML page with a book matrix.
	#
	# Usage: genpage.rb <books.json >books.html
	# Supply output of genbooks.rb as input. Outputs basic HTML page.
	#
	# TODO:
	# - escape texts and urls (!)
	# - sorting
	# - split by category / ...
	#
	# (c)2015 by wvengen, licensed under GPL version 3 or later
	#
	require 'json'

	books = JSON.parse(STDIN.read)

	puts """
	<html>
	<head>
	<title>Books</title>
	<meta charset='utf-8'>
	<style type='text/css'>
	.items .item {
	float: left;
	width: 129px;
	height: 192px;
	padding: 2px;
	margin: 2px;
	position: relative;
	}
	.item img {
	/* this may modify aspect-ratio of images, but I find it giving it a cleaner view */
	width: 129px;
	height: 192px;
	}
	.item .without-cover {
	padding: 6px;
	height: 182px;
	text-align: center;
	background: #e9e9e9;
	overflow: hidden;
	}
	.item .title {
	font-size: 13pt;
	line-height: 15pt;
	letter-spacing: -0.25px;
	}
	.item .authors {
	padding-top: 1.2ex;
	font-size: 11pt;
	line-height: 12pt;
	}
	.item .links {
	position: absolute;
	bottom: 0;
	right: 0;
	margin-bottom: 5px;
	margin-right: 3px;
	}
	.item .link {
	background: rgba(255,255,255,0.8);
	padding: 3px;
	border-radius: 8px;
	}
	.item a.link, .item a.link:hover, .item a.link:active {
	color: black;
	}


	</style>
	</head>
	<body>
	"""
	puts "<div class='items blocks'>"
	books['books'].each do \|book\|
	txt = [book['title'], "#{book['authors']}#{" (#{book['year']})" if book['year']}", "ISBN #{book['isbn']}"].join("\n")
	puts " <div class='item'>"
	puts " <div class='#{'without-' unless book['thumbnail']}cover' title='#{txt.gsub "'", "'"}'>"
	if book['thumbnail']
	puts " <img src='#{book['thumbnail']}' alt=''>"
	else
	puts " <div class='title'>#{book['title']}</div>"
	puts " <div class='authors'>#{book['authors']}</div>"
	end
	puts " </div>"
	if book['links']
	puts " <div class='links'>"
	book['links'].keys.sort.each do \|key\|
	link = book['links'][key]
	puts " <a href='#{link}' class='link' title='#{key.capitalize}'>#{key[0].upcase}</a>" if link
	end
	puts " </div>"
	end
	puts " </div>"
	end
	puts "</div>"
	puts "</body></html>"