From 85adde54e80d1c3d848f818aa5bb67120f0c48ee Mon Sep 17 00:00:00 2001
From: Jason Raitz <raitz@berkeley.edu>
Date: Mon, 7 Oct 2024 14:56:39 -0400
Subject: [PATCH] added transcript line to records  - supports records with
 transcript info in the 856 $4$2_y  - see marc_spec documentation for
 background on the change in fields.rb  - adds rspec to the gem's gemspec
 dependencies!!  - TODO: add a couple of tests dealing with the transcript
 metadata processing

---
 av_core.gemspec                                      | 1 +
 lib/berkeley_library/av/constants.rb                 | 4 ++++
 lib/berkeley_library/av/metadata/fields.rb           | 4 +++-
 spec/lib/berkeley_library/av/metadata/fields_spec.rb | 3 ++-
 4 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/av_core.gemspec b/av_core.gemspec
index 9373014..3a79f31 100644
--- a/av_core.gemspec
+++ b/av_core.gemspec
@@ -38,6 +38,7 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency 'irb', '~> 1.2' # workaroundfor https://github.com/bundler/bundler/issues/6929
   spec.add_development_dependency 'listen', '>= 3.0.5', '< 3.2'
   spec.add_development_dependency 'rake', '~> 13.0'
+  spec.add_development_dependency 'rspec', '~> 3.0'
   spec.add_development_dependency 'rspec-support', '~> 3.9'
   spec.add_development_dependency 'rubocop', '1.26.0'
   spec.add_development_dependency 'rubocop-rake', '~> 0.6.0'
diff --git a/lib/berkeley_library/av/constants.rb b/lib/berkeley_library/av/constants.rb
index 40642da..f763198 100644
--- a/lib/berkeley_library/av/constants.rb
+++ b/lib/berkeley_library/av/constants.rb
@@ -5,6 +5,10 @@ module Constants
       TAG_LINK_FIELD = '856'.freeze
       TAG_TRACK_FIELD = '998'.freeze
       TAG_TIND_ID = '001'.freeze
+      TAG_TRANSCRIPT_FIELD = '856'.freeze
+
+      SUBFIELD_CODE_URI = :u
+      SUBFIELD_CODE_LINKTEXT = :y
 
       # TODO: use marc/spec
       TAG_TIND_CATALOG_ID = '901'.freeze
diff --git a/lib/berkeley_library/av/metadata/fields.rb b/lib/berkeley_library/av/metadata/fields.rb
index f1420ce..eea9139 100644
--- a/lib/berkeley_library/av/metadata/fields.rb
+++ b/lib/berkeley_library/av/metadata/fields.rb
@@ -12,7 +12,8 @@ module Fields
         CREATOR_PERSONAL = Field.new(order: 2, label: 'Creator', spec: '700')
         CREATOR_CORPORATE = Field.new(order: 2, label: 'Creator', spec: '710')
         TRACKS = Field.new(order: 99, label: 'Tracks', spec: TAG_TRACK_FIELD, subfield_order: %w[g t a])
-        CATALOG_LINK = Field.new(order: 999, label: 'Linked Resources', spec: "#{TAG_LINK_FIELD}{^1=\\4}{^2=\\1}")
+        CATALOG_LINK = Field.new(order: 998, label: 'Linked Resources', spec: "#{TAG_LINK_FIELD}{^1=\\4}{^2=\\1}")
+        TRANSCRIPTS = Field.new(order: 999, label: 'Transcripts', spec: "#{TAG_TRANSCRIPT_FIELD}{$y~\\Transcript}{^1=\\4}{^2=\\2}", subfield_order: %w[u y])
 
         STANDARD_FIELDS = [
           TITLE,
@@ -20,6 +21,7 @@ module Fields
           CREATOR_PERSONAL,
           CREATOR_CORPORATE,
           TRACKS,
+          TRANSCRIPTS,
           CATALOG_LINK
         ].freeze
 
diff --git a/spec/lib/berkeley_library/av/metadata/fields_spec.rb b/spec/lib/berkeley_library/av/metadata/fields_spec.rb
index 5a1b36a..77f3cd9 100644
--- a/spec/lib/berkeley_library/av/metadata/fields_spec.rb
+++ b/spec/lib/berkeley_library/av/metadata/fields_spec.rb
@@ -75,7 +75,8 @@ class Metadata
               Field.new(order: 86, spec: '991$a', label: 'Access', subfields_separator: ', '),
               Field.new(order: 89, spec: '982$a', label: 'Collection'),
               Field.new(order: 99, spec: '998', label: 'Tracks', subfield_order: %w[g t a]),
-              Field.new(order: 999, spec: '856{^1=\4}{^2=\1}', label: 'Linked Resources')
+              Field.new(order: 998, spec: '856{^1=\4}{^2=\1}', label: 'Linked Resources'),
+              Field.new(order: 999, spec: '856{$y~\Transcript}{^1=\4}{^2=\2}', label: 'Transcripts', subfield_order: %w[u y])
             ]
 
             fields = Fields.default_fields