class Gared::Googlebooks
Public Class Methods
new(api_key, page_size = '40')
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# File lib/gared/googlebooks.rb, line 5 def initialize(api_key, page_size = '40') @options = {api_key: api_key, maxResults: page_size} end
Public Instance Methods
query_publications_by_person(person, ctx = nil)
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# File lib/gared/googlebooks.rb, line 9 def query_publications_by_person(person, ctx = nil) url = "https://www.googleapis.com/books/v1/volumes?q=inauthor:#{URI.escape(person)}&filter=full&key=#{@options[:api_key]}&maxResults=#{@options[:maxResults]}" resp = JSON.parse(RestClient.get(url)) total = resp['totalItems'] ret = [] if total > 0 start_at = 0 recs = resp['items'] while recs.length < total start_at += @options[:maxResults] resp = JSON.parse(RestClient.get(url+"&startIndex=#{start_at}")) recs += resp['items'] sleep 2 # respect the server and avoid flood-blocking end recs.each do |r| next unless r['accessInfo']['pdf']['isAvailable'] p = Publication.new(ctx) p.source_id = r['id'] p.scanned = true p.title = r['volumeInfo']['title'] h = Holding.new h.source_id = r['id'] h.source_name = 'Google Books' p.add_holding(h) ret << p end end return ret end