Class: Alexandria::BookProviders::MCUProvider

Inherits:
GenericProvider show all
Includes:
Logging, GetText
Defined in:
lib/alexandria/book_providers/mcu.rb

Constant Summary collapse

LANGUAGES = 
{
  'es' => '1'
}.freeze
BASE_URI =

BASE_URI = “www.mcu.es/cgi-bin/BRSCGI3701?”

'http://www.mcu.es/cgi-brs/BasesHTML/isbn/BRSCGI?'

Instance Attribute Summary

Attributes inherited from AbstractProvider

#fullname, #name, #prefs

Instance Method Summary collapse

Methods included from Logging

included, #log

Methods inherited from AbstractProvider

#<=>, abstract?, #abstract?, #action_name, #enabled, #reinitialize, #remove, #toggle_enabled, #transport, unabstract, #variable_name

Constructor Details

#initialize ⇒ MCUProvider

Returns a new instance of MCUProvider.



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# File 'lib/alexandria/book_providers/mcu.rb', line 41

def initialize
  super('MCU', _('Spanish Culture Ministry'))
  # No preferences
  prefs.read
end

Instance Method Details

#search(criterion, type) ⇒ Object

Raises:



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# File 'lib/alexandria/book_providers/mcu.rb', line 47

def search(criterion, type)
  prefs.read
  criterion = criterion.encode('ISO-8859-1') # still needed??
  print "Doing search with MCU #{criterion}, type: #{type}\n" if $DEBUG # for DEBUGing
  req = BASE_URI +
    'CMD=VERLST&BASE=ISBN&DOCS=1-15&CONF=AEISPA.cnf&OPDEF=AND&DOCS=1-1000&SEPARADOR=&'
  req += case type
         when SEARCH_BY_ISBN
           "WGEN-C=&WISB-C=#{CGI.escape(criterion)}&WAUT-C=&WTIT-C="

         when SEARCH_BY_TITLE
           "WGEN-C=&WISB-C=&WAUT-C=&WTIT-C=#{CGI.escape(criterion)}"

         when SEARCH_BY_AUTHORS
           "WGEN-C=&WISB-C=&WAUT-C=#{CGI.escape(criterion)}&WTIT-C="

         when SEARCH_BY_KEYWORD
           "WGEN-C=#{CGI.escape(criterion)}&WISB-C=&WAUT-C=&WTIT-C="

         else
           raise InvalidSearchTypeError
         end
  req +=
    '&WMAT-C=&WEDI-C=&WFEP-C=&%40T353-GE=&%40T353-LE=&WSER-C=&WLUG-C=' \
    '&WDIS-C=%28DISPONIBLE+or+AGOTADO%29&WLEN-C=&WCLA-C=&WSOP-C='
  products = {}
  print "Request page is #{req}\n" if $DEBUG # for DEBUGing
  transport.get(URI.parse(req)).each do |line|
    print "Reading line: #{line}" if $DEBUG # for DEBUGing
    next unless line =~ /CMD=VERDOC.*&DOCN=([^&]*)&NDOC=([^&]*)/
    next if products[Regexp.last_match[1]]
    next unless (book = parseBook(Regexp.last_match[1], Regexp.last_match[2]))
    products[Regexp.last_match[1]] = book
    puts Regexp.last_match[1] if $DEBUG # for DEBUGing
  end

  raise NoResultsError if products.values.empty?
  type == SEARCH_BY_ISBN ? products.values.first : products.values
end

#url(book) ⇒ Object 



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# File 'lib/alexandria/book_providers/mcu.rb', line 87

def url(book)
  isbn = Library.canonicalise_isbn(book.isbn)
  'http://www.mcu.es/cgi-brs/BasesHTML/isbn/BRSCGI?CMD=VERLST&BASE=ISBN&DOCS=1-15' \
    "&CONF=AEISPA.cnf&OPDEF=AND&DOCS=1&SEPARADOR=&WGEN-C=&WISB-C=#{isbn}&WAUT-C=&WTIT-C=" \
    '&WMAT-C=&WEDI-C=&WFEP-C=&%40T353-GE=&%40T353-LE=&WSER-C=&WLUG-C=' \
    '&WDIS-C=%28DISPONIBLE+or+AGOTADO%29&WLEN-C=&WCLA-C=&WSOP-C='
rescue => ex
  log.warn { "Cannot create url for book #{book}; #{ex.message}" }
  nil
end