Use collection_id for linking rather than inferring from eadid

app/components/arclight/collection_sidebar_component.rb

@@ -29,13 +29,11 @@ def section_label(section)
     end
 
     def document_path
-      @document_path ||= solr_document_path(normalized_eadid)
+      @document_path ||= solr_document_path(document.collection_id)
     end
 
     def section_anchor(section)
       "##{t("arclight.views.show.sections.#{section}").parameterize}"
     end
-
-    delegate :normalized_eadid, to: :document
   end
 end

app/models/arclight/parents.rb

@@ -29,7 +29,7 @@ def as_parents
     # @param [SolrDocument] document
     def self.from_solr_document(document)
       ids = document.parent_ids
-      legacy_ids = document.legacy_parent_ids.map { |legacy_id| document.eadid == legacy_id ? legacy_id : "#{document.eadid}#{legacy_id}" }
+      legacy_ids = document.legacy_parent_ids.map { |legacy_id| document.collection_id == legacy_id ? legacy_id : "#{document.collection_id}#{legacy_id}" }
       labels = document.parent_labels
       eadid = document.eadid
       levels = document.parent_levels

app/models/concerns/arclight/solr_document.rb

@@ -29,6 +29,7 @@ module SolrDocument
       attribute :total_component_count, :string, 'total_component_count_is'
       attribute :online_item_count, :string, 'online_item_count_is'
       attribute :last_indexed, :date, 'timestamp'
+      attribute :collection_id, :string, '_root_'
     end
 
     def repository_config

spec/components/arclight/breadcrumb_component_spec.rb

@@ -8,7 +8,8 @@
       parent_ids_ssim: %w[abc123 abc123_def abc123_ghi],
       parent_unittitles_ssm: %w[ABC123 DEF GHI],
       ead_ssi: 'abc123',
-      repository_ssm: 'my repository'
+      repository_ssm: 'my repository',
+      _root_: 'abc123'
     )
   end
 
@@ -62,7 +63,8 @@
         parent_ssim: %w[abc123 def ghi],
         parent_unittitles_ssm: %w[ABC123 DEF GHI],
         ead_ssi: 'abc123',
-        repository_ssm: 'my repository'
+        repository_ssm: 'my repository',
+        _root_: 'abc123'
       )
     end
 

spec/components/arclight/collection_sidebar_component_spec.rb

@@ -13,7 +13,7 @@
     render_inline(component)
   end
 
-  let(:document) { instance_double(SolrDocument, normalized_eadid: 'foo') }
+  let(:document) { instance_double(SolrDocument, collection_id: 'foo') }
   let(:collection_presenter) { instance_double(Arclight::ShowPresenter, with_field_group: group_presenter) }
   let(:group_presenter) { instance_double(Arclight::ShowPresenter, fields_to_render: [double]) }
 

spec/models/arclight/parents_spec.rb

@@ -8,6 +8,7 @@
       parent_ids_ssim: %w[abc123 abc123_def abc123_ghi],
       parent_unittitles_ssm: %w[ABC123 DEF GHI],
       ead_ssi: 'abc123',
+      _root_: 'abc123',
       parent_levels_ssm: %w[collection]
     )
   end
@@ -17,6 +18,7 @@
       parent_ssim: %w[abc123 def ghi],
       parent_unittitles_ssm: %w[ABC123 DEF GHI],
       ead_ssi: 'abc123',
+      _root_: 'abc123',
       parent_levels_ssm: %w[collection]
     )
   end

spec/models/concerns/arclight/solr_document_spec.rb

@@ -10,6 +10,7 @@
     it { expect(document).to respond_to(:parent_ids) }
     it { expect(document).to respond_to(:parent_labels) }
     it { expect(document).to respond_to(:eadid) }
+    it { expect(document).to respond_to(:collection_id) }
   end
 
   describe '#repository_config' do