Bug fix/save nested attributes

hyrax/app/actors/hyrax/actors/complex_attributes.rb

+module Hyrax
+  module Actors
+    module ComplexAttributes
+      def apply_save_data_to_curation_concern(env)
+        super
+        # Clear this, it will be re-added by update_complex_metadata
+        env.curation_concern.updated_subresources = []
+        env = update_complex_metadata(env, env.curation_concern)
+      end
+
+      # Call execute on the ActiveTriple::Resources (ATR), like ComplexInstrument
+      # Due to a bug somewhere in ActiveFedora, changes to ATR
+      #  are not being committed to the resource graph because they are BufferedTransactions
+      # This method runs execute on the graphs of each ATR
+      # Additionally adds all ATR to top-level property updates_subresources
+      #  this seems to be necessary to get ATR nested within other ATR to update
+      def update_complex_metadata(env, resource_to_update)
+        complex_attributes.each do |attribute|
+          next unless resource_to_update.respond_to?(attribute)
+          next if resource_to_update.send(attribute).empty?
+          resource_to_update.send(attribute).each do |resource|
+            update_complex_metadata(env, resource)
+            resource.graph.execute
+            resource_to_update.send(attribute.to_s).push(resource)
+            env.curation_concern.updated_subresources.push(resource_to_update.send(attribute))
+          end
+        end
+        env
+      end
+
+      def complex_attributes
+        %w[
+          complex_date
+          complex_funding_reference
+          complex_identifier
+          complex_person
+          complex_relation
+        ]
+      end
+    end
+  end
+end

hyrax/app/actors/hyrax/actors/crc_dataset_actor.rb

@@ -3,6 +3,7 @@
 module Hyrax
   module Actors
     class CrcDatasetActor < Hyrax::Actors::BaseActor
+      include Hyrax::Actors::ComplexAttributes
     end
   end
-end
+end
\ No newline at end of file

hyrax/app/actors/hyrax/actors/dataset_actor.rb

@@ -3,6 +3,7 @@
 module Hyrax
   module Actors
     class DatasetActor < Hyrax::Actors::BaseActor
+      include Hyrax::Actors::ComplexAttributes
     end
   end
 end

hyrax/app/models/crc_dataset.rb

@@ -112,6 +112,9 @@ class CrcDataset < ActiveFedora::Base
     index.as :stored_searchable, :facetable
   end
 
+  # Required due to bug saving nested resources
+  property :updated_subresources, predicate: ::RDF::Vocab::Rdms.updatedSubresources, class_name: "ActiveTriples::Resource"
+
   # This must be included at the end, because it finalizes the metadata
   # schema (by adding accepts_nested_attributes)
   include ::Hyrax::BasicMetadata
@@ -121,6 +124,7 @@ class CrcDataset < ActiveFedora::Base
   accepts_nested_attributes_for :complex_identifier, reject_if: :identifier_blank, allow_destroy: true
   accepts_nested_attributes_for :complex_funding_reference, reject_if: :fundref_blank, allow_destroy: true
   accepts_nested_attributes_for :complex_relation, reject_if: :relation_blank, allow_destroy: true
+  accepts_nested_attributes_for :updated_subresources, allow_destroy: true
 
   def complex_subjects
     ComplexSubject.where(parent_source_identifier: source.first)

hyrax/app/models/dataset.rb

@@ -85,6 +85,9 @@ class Dataset < ActiveFedora::Base
 
   property :complex_relation, predicate: ::RDF::Vocab::DC.relation, class_name:"ComplexRelation"
 
+  # Required due to bug saving nested resources
+  property :updated_subresources, predicate: ::RDF::Vocab::Rdms.updatedSubresources, class_name: "ActiveTriples::Resource"
+
   # This must be included at the end, because it finalizes the metadata
   # schema (by adding accepts_nested_attributes)
   include ::Hyrax::BasicMetadata
@@ -94,4 +97,5 @@ class Dataset < ActiveFedora::Base
   accepts_nested_attributes_for :complex_identifier, reject_if: :identifier_blank, allow_destroy: true
   accepts_nested_attributes_for :complex_funding_reference, reject_if: :fundref_blank, allow_destroy: true
   accepts_nested_attributes_for :complex_relation, reject_if: :relation_blank, allow_destroy: true
+  accepts_nested_attributes_for :updated_subresources, allow_destroy: true
 end

hyrax/lib/vocabularies/rdms.rb

@@ -38,6 +38,8 @@ module RDF
       #File Set
       property 'forComplexIdentifier'
       property'forComplexType'
+      # for nested metadata
+      property 'updatedSubresources'
     end
   end
 end

hyrax/spec/actors/hyrax/actors/complex_attributes_spec.rb

+require 'rails_helper'
+
+RSpec.describe Hyrax::Actors::ComplexAttributes do
+  let(:env) { double(curation_concern: double(updated_subresources: [], :updated_subresources= => []) ) }
+
+  before do
+    class SuperClass
+      def apply_save_data_to_curation_concern(env)
+      end
+    end
+
+    class TestClass < SuperClass
+      include Hyrax::Actors::ComplexAttributes
+    end
+
+    class ExampleWork < ActiveFedora::Base
+      property :complex_person, predicate: ::RDF::URI.new('http://example.org#person'), class_name: "ComplexPerson"
+      accepts_nested_attributes_for :complex_person
+    end
+  end
+
+  after do
+    Object.send(:remove_const, :ExampleWork)
+    Object.send(:remove_const, :TestClass)
+    Object.send(:remove_const, :SuperClass)
+  end
+
+  let(:test) { TestClass.new }
+
+  describe '#apply_save_data_to_curation_concern' do
+    before { test.apply_save_data_to_curation_concern(env) }
+    it { expect(env.curation_concern).to have_received(:updated_subresources=).with([]) }
+  end
+
+  describe '#update_complex_metadata' do
+    let(:resource) { double(complex_person: ExampleWork.new(complex_person_attributes: [{ first_name: 'John' }]).complex_person) }
+    before { test.update_complex_metadata(env, resource) }
+    it { expect(env.curation_concern.updated_subresources).to eql([resource.complex_person]) }
+  end
+
+  describe '#complex_attributes' do
+    subject { test.complex_attributes }
+    it { is_expected.to match_array(%w[complex_date complex_funding_reference complex_identifier
+          complex_person complex_relation]) }
+  end
+end