Module: Mini::Douban

Defined in:
lib/mini/douban.rb,
lib/mini/douban/version.rb

Constant Summary collapse

BOOK_API_WITH_ID =
' http://api.douban.com/book/subject/'
BOOK_API_WITH_ISBN =
'http://api.douban.com/book/subject/isbn/'
VERSION =
"0.0.3"

Class Method Summary collapse

Class Method Details

.book_api(opts = {}) ⇒ Object



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# File 'lib/mini/douban.rb', line 10

def self.book_api(opts = {})
  if !opts.respond_to? :keys or opts.empty?
    return 'please input a hash for api options. like {:id=>2023013,:isbn=>9787543639133,:original=>true}'
  end
  opts = opts.inject({}){|memo,(k,v)| memo[k.to_sym] = v; memo}
  if opts[:id]
    book_with_xml = Net::HTTP.get_response(URI.parse(BOOK_API_WITH_ID + opts[:id].to_s)).body
  elsif opts[:isbn]
    book_with_xml = Net::HTTP.get_response(URI.parse(BOOK_API_WITH_ISBN + opts[:isbn].to_s)).body
  else
    return 'input options lack id or isbn'
  end

  begin
    hash_book = XmlSimple.xml_in(book_with_xml)
  rescue Exception => e
    return 'Not found book in douban api with id or isbn'
  end

  if hash_book.include?('attribute') and opts[:original] != true
    sample_book = {}
    hash_book['attribute'].map{|attr| sample_book[attr['name']] = attr['content']}
    sample_book['tags'] = hash_book['tag'].map{ |tag| tag['name'] } if hash_book['tag']
    sample_book['summary'] = hash_book['summary'].join if hash_book['summary']
    sample_book['links'] = hash_book['link'].map{ |m| m['href']} if hash_book['link']
    sample_book['rating'] = hash_book['rating'].first['average'] if hash_book['rating']
    sample_book['rater_number'] = hash_book['rating'].first['numRaters'] if hash_book['rating']
    if sample_book['links']
      sample_book['image_url'] = sample_book['links'].select{ |s| s.start_with?('http://img')}.join
      sample_book['api_url'] = sample_book['links'].select{ |s| s.start_with?('http://api')}.join
      sample_book['mobile_url'] = sample_book['links'].select{ |s| s.start_with?('http://m')}.join
      sample_book['website_url'] = sample_book['links'].select{ |s| s.start_with?('http://book')}.join
    end
    return sample_book.inject({}){|book_info,(k,v)| book_info[k.to_sym] = v; book_info}
  end
  hash_book
end