From a0d43bbbe95ddd302082796656979154b9eedd98 Mon Sep 17 00:00:00 2001
From: Nathan Fixler <nathan@fixler.org>
Date: Tue, 2 Mar 2010 12:56:16 -0500
Subject: [PATCH] Added the MARC leader regex from LOC without any fields
 defined (yet)

---
 lib/wcapi.rb                     |  2 +-
 lib/wcapi/record.rb              |  8 +++-
 lib/wcapi/record/leader.rb       | 15 +++++++
 spec/wcapi/record/leader_spec.rb |  7 +++
 spec/wcapi/record_spec.rb        | 76 ++++++++++++++++++++++++++++++++
 5 files changed, 105 insertions(+), 3 deletions(-)
 create mode 100644 lib/wcapi/record/leader.rb
 create mode 100644 spec/wcapi/record/leader_spec.rb
 create mode 100644 spec/wcapi/record_spec.rb

diff --git a/lib/wcapi.rb b/lib/wcapi.rb
index 199bb80..2cf2633 100644
--- a/lib/wcapi.rb
+++ b/lib/wcapi.rb
@@ -1,4 +1,4 @@
-%w(response_parser rexml_parser hpricot_parser client open_search_response get_record_response get_location_response sru_search_response record record/isbn holding).each do |file|
+%w(response_parser rexml_parser hpricot_parser client open_search_response get_record_response get_location_response sru_search_response record record/isbn record/leader holding).each do |file|
   require File.join(File.dirname(__FILE__), 'wcapi', file)
 end
 
diff --git a/lib/wcapi/record.rb b/lib/wcapi/record.rb
index db52c41..b56ebdc 100644
--- a/lib/wcapi/record.rb
+++ b/lib/wcapi/record.rb
@@ -6,11 +6,15 @@ class Record
     def initialize(doc = '')
        @doc = doc
     end
-    
+
     def oclc_id
       @id ||= xpath_get_text(xpath_first(@doc, "controlfield[@tag='001']"))
     end
-    
+
+    def leader
+      @leader ||= WCAPI::Record::Leader.new(xpath_get_text(xpath_first(@doc, "leader")))
+    end
+
     def isbns
       unless @isbns
         @isbns = []
diff --git a/lib/wcapi/record/leader.rb b/lib/wcapi/record/leader.rb
new file mode 100644
index 0000000..b6d9029
--- /dev/null
+++ b/lib/wcapi/record/leader.rb
@@ -0,0 +1,15 @@
+module WCAPI
+  class Record
+    class Leader
+      def initialize(str)
+        @regex = str.match(/([\d]{5})([\dA-Za-z ]{1})([\dA-Za-z ]{1})([\dA-Za-z ]{3})(2| )(2| )([\d]{5})([\dA-Za-z ]{3})(4500|    )/) || []
+      end
+      
+      def raw
+        @regex[0]
+      end
+
+      
+    end
+  end
+end
\ No newline at end of file
diff --git a/spec/wcapi/record/leader_spec.rb b/spec/wcapi/record/leader_spec.rb
new file mode 100644
index 0000000..60926bd
--- /dev/null
+++ b/spec/wcapi/record/leader_spec.rb
@@ -0,0 +1,7 @@
+require File.dirname(__FILE__) + '/../../spec_helper'
+
+describe WCAPI::Record::Leader do
+  it "should make the raw value accessible" do
+    WCAPI::Record::Leader.new('01427cem  22003731  4500').raw.should == '01427cem  22003731  4500'
+  end
+end
\ No newline at end of file
diff --git a/spec/wcapi/record_spec.rb b/spec/wcapi/record_spec.rb
new file mode 100644
index 0000000..c4f765d
--- /dev/null
+++ b/spec/wcapi/record_spec.rb
@@ -0,0 +1,76 @@
+require File.dirname(__FILE__) + '/../spec_helper'
+
+describe WCAPI::Record do
+  before(:all) do
+    reader = XMLReader.new(File.dirname(__FILE__)+ '/../xml/get_record_response.xml')
+    @record = WCAPI::Record.new(reader.record)
+  end
+
+  context "using convenience methods" do
+    it "#oclc_id" do
+      @record.oclc_id.should == '57358293'
+    end
+
+    it "#leader" do
+      @record.leader.should be_an_instance_of(WCAPI::Record::Leader)
+      @record.leader.raw.should == '00000    a2200000   4500'
+    end
+      
+    it "#isbns" do
+      @record.isbns.should be_an_instance_of(Array)
+      @record.isbns.each do |isbn|
+        isbn.should be_an_instance_of(WCAPI::Record::ISBN)
+      end
+    end
+    
+    it "#isbns.to_s" do
+      @record.isbns.collect {|isbn| "#{isbn}"}.should == ["0439784549 (hardcover)", "9780439784542 (hardcover)", "0439786770 (reinforced lib. bdg.)", "9780439786775 (reinforced lib. bdg.)", "0439791324 (deluxe edition)", "9780439791328 (deluxe edition)", "0439785960 (pbk.)", "9780439785969 (pbk.)"]
+    end
+      
+    it "#isbns.to_i" do
+      @record.isbns.should be_an_instance_of(Array)
+      @record.isbns.collect {|isbn| "#{isbn.to_i}"}.should == ["0439784549", "9780439784542", "0439786770", "9780439786775", "0439791324", "9780439791328", "0439785960", "9780439785969"]
+    end
+    
+    it "#title" do
+      @record.title.should == ['Harry Potter and the Half-Blood Prince /']
+    end
+      
+    it "#link" do
+      @record.link.should == 'http://www.worldcat.org/oclc/57358293'
+    end
+
+    it "#authors" do
+      @record.authors.first.should eql("Rowling, J. K.")
+      
+      # There's some issues here with character encoding, so I'm  ignoring this
+      # 700 field for now.
+      # @record.authors.last.should eql("GrandPré, Mary,")
+    end
+      
+    it "#summary" do
+      @record.summary.should == "Sixth-year Hogwarts student Harry Potter " \
+        + "gains valuable insights into the boy Voldemort once was, even as " \
+        + "his own world is transformed by maturing friendships, schoolwork " \
+        + "assistance from an unexpected source, and devastating losses."
+    end
+      
+    it "#citation" do
+      @record.citation.should == ''
+    end
+  end
+end
+
+class XMLReader
+  include WCAPI
+  include ResponseParser
+  
+  def initialize(path)
+    @path = path
+  end
+  
+  def record
+    doc = get_parser(File.read(@path))
+    xpath_first(doc, "/record")
+  end
+end
\ No newline at end of file