Module: EnjuNdl::NdlSearch::ClassMethods

Defined in:
lib/enju_ndl/ndl_search.rb

Instance Method Summary collapse

Instance Method Details

#create_frbr_instance(doc, manifestation) ⇒ Object 



79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
 
# File 'lib/enju_ndl/ndl_search.rb', line 79

def create_frbr_instance(doc, manifestation)
  title = get_title(doc)
  creators = get_creators(doc)
  language = get_language(doc)
  subjects = get_subjects(doc)

  Patron.transaction do
    creator_patrons = Patron.import_patrons(creators)
    language_id = Language.where(:iso_639_2 => language).first.id rescue 1
    content_type_id = ContentType.where(:name => 'text').first.id rescue 1
    manifestation.creators << creator_patrons
    if defined?(Subject)
      subjects.each do |term|
        subject = Subject.where(:term => term).first
        manifestation.subjects << subject if subject
      end
    end
  end
end

#import_isbn(isbn) ⇒ Object

Raises:



9
10
11
12
13
14
15
16
17
18
19
20
 
# File 'lib/enju_ndl/ndl_search.rb', line 9

def import_isbn(isbn)
  isbn = ISBN_Tools.cleanup(isbn)
  raise EnjuNdl::InvalidIsbn unless ISBN_Tools.is_valid?(isbn)

  manifestation = Manifestation.find_by_isbn(isbn)
  return manifestation if manifestation

  doc = return_xml(isbn)
  raise EnjuNdl::RecordNotFound unless doc
  #raise EnjuNdl::RecordNotFound if doc.at('//openSearch:totalResults').content.to_i == 0
  import_record(doc)
end

#import_isbn!(isbn) ⇒ Object 



73
74
75
76
77
 
# File 'lib/enju_ndl/ndl_search.rb', line 73

def import_isbn!(isbn)
  manifestation = import_isbn(isbn)
  manifestation.save!
  manifestation
end

#import_record(doc) ⇒ Object 



22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
 
# File 'lib/enju_ndl/ndl_search.rb', line 22

def import_record(doc)
  pub_date, language, nbn, ndc, isbn = nil, nil, nil, nil, nil

  publishers = get_publishers(doc).zip([]).map{|f,t| {:full_name => f, :full_name_transcription => t}}

  # title
  title = get_title(doc)

  # date of publication
  pub_date = doc.at('//dcterms:date').content.to_s.gsub(/\./, '-')
  unless pub_date =~  /^\d+(-\d{0,2}){0,2}$/
    pub_date = nil
  end

  language = get_language(doc)
  isbn = doc.at('./dc:identifier[@xsi:type="dcndl:ISBN"]').try(:content).to_s
  nbn = doc.at('//dcterms:identifier[@rdf:datatype="http://ndl.go.jp/dcndl/terms/JPNO"]').content
  classification_urls = doc.xpath('//dcterms:subject[@rdf:resource]').map{|subject| subject.attributes['resource'].value}
  if classification_urls
    ndc9_url = classification_urls.map{|url| URI.parse(url)}.select{|u| u.path.split('/').reverse[1] == 'ndc9'}.first
    if ndc9_url
      ndc = ndc9_url.path.split('/').last
    end
  end
  description = doc.at('//dcterms:abstract').try(:content)

  manifestation = nil
  Patron.transaction do
    publisher_patrons = Patron.import_patrons(publishers)
    language_id = Language.where(:iso_639_2 => language).first.id rescue 1

    manifestation = Manifestation.new(
      :original_title => title[:manifestation],
      :title_transcription => title[:transcription],
      # TODO: NDLサーチに入っている図書以外の資料を調べる
      #:carrier_type_id => CarrierType.where(:name => 'print').first.id,
      :language_id => language_id,
      :isbn => isbn,
      :pub_date => pub_date,
      :description => description,
      :nbn => nbn,
      :ndc => ndc
    )
    manifestation.publishers << publisher_patrons
    create_frbr_instance(doc, manifestation)
  end

  #manifestation.send_later(:create_frbr_instance, doc.to_s)
  return manifestation
end

#normalize_isbn(isbn) ⇒ Object 



117
118
119
120
121
122
123
 
# File 'lib/enju_ndl/ndl_search.rb', line 117

def normalize_isbn(isbn)
  if isbn.length == 10
    ISBN_Tools.isbn10_to_isbn13(isbn)
  else
    ISBN_Tools.isbn13_to_isbn10(isbn)
  end
end

#return_xml(isbn) ⇒ Object 



125
126
127
128
129
130
131
132
133
134
 
# File 'lib/enju_ndl/ndl_search.rb', line 125

def return_xml(isbn)
  rss = self.search_ndl(isbn, {:dpid => 'iss-ndl-opac', :item => 'isbn'})
  if rss.channel.totalResults.to_i == 0
    isbn = normalize_isbn(isbn)
    rss = self.search_ndl(isbn, {:dpid => 'iss-ndl-opac', :item => 'isbn'})
  end
  if rss.items.first
    doc = Nokogiri::XML(open("#{rss.items.first.link}.rdf").read)
  end
end

#search_ndl(query, options = {}) ⇒ Object 



99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
 
# File 'lib/enju_ndl/ndl_search.rb', line 99

def search_ndl(query, options = {})
  options = {:dpid => 'iss-ndl-opac', :item => 'any', :startrecord => 1, :per_page => 10, :raw => false}.merge(options)
  doc = nil
  results = {}
  startrecord = options[:startrecord].to_i
  if startrecord == 0
    startrecord = 1
  end
  url = "http://iss.ndl.go.jp/api/opensearch?dpid=#{options[:dpid]}&#{options[:item]}=#{URI.escape(query)}&cnt=#{options[:per_page]}&idx=#{startrecord}"
  if options[:raw] == true
    open(url).read
  else
    RSS::Rss::Channel.install_text_element("openSearch:totalResults", "http://a9.com/-/spec/opensearchrss/1.0/", "?", "totalResults", :text, "openSearch:totalResults")
    RSS::BaseListener.install_get_text_element "http://a9.com/-/spec/opensearchrss/1.0/", "totalResults", "totalResults="
    feed = RSS::Parser.parse(url, false)
  end
end