move valkyrie resource migration code from hyku to hyrax (#6973)

* move valkyrie resource migration code from hyku to hyrax

* prevent works from becoming inaccessible during valkyrie transition

* more cross compatible fix for collection thumbnail issue

* make adminset wings identifiable

app/controllers/concerns/hyrax/works_controller_behavior.rb

@@ -263,6 +263,8 @@ def hash_key_for_curation_concern
 
     def contextual_path(presenter, parent_presenter)
       ::Hyrax::ContextualPath.new(presenter, parent_presenter).show
+    rescue NoMethodError
+      ''
     end
 
     ##

app/forms/hyrax/forms/pcdm_collection_form.rb

@@ -81,6 +81,15 @@ def display_additional_fields?
         secondary_terms.any?
       end
 
+      ##
+      # This feature is not supported in Valkyrie collections and should be removed as part of #5764
+      # However, the depreciated method is still needed for some specs
+      # @return [] always empty.
+      def select_files
+        Deprecation.warn "`Hyrax::PcdmCollection` does not currently support thumbnail_id. Collection thumbnails need to be redesigned as part of issue #5764"
+        []
+      end
+
       private
 
       def _form_field_definitions

app/jobs/migrate_resources_job.rb

@@ -0,0 +1,34 @@
+# frozen_string_literal: true
+
+# migrates models from AF to valkyrie
+class MigrateResourcesJob < ApplicationJob
+  attr_writer :errors
+  # input [Array>>String] Array of ActiveFedora model names to migrate to valkyrie objects
+  # defaults to AdminSet & Collection models if empty
+  def perform(ids: [], models: ['AdminSet', 'Collection'])
+    if ids.blank?
+      models.each do |model|
+        model.constantize.find_each do |item|
+          migrate(item.id)
+        end
+      end
+    else
+      ids.each do |id|
+        migrate(id)
+      end
+    end
+    raise errors.inspect if errors.present?
+  end
+
+  def errors
+    @errors ||= []
+  end
+
+  def migrate(id)
+    resource = Hyrax.query_service.find_by(id: id)
+    return unless resource.wings? # this resource has already been converted
+    result = MigrateResourceService.new(resource: resource).call
+    errors << result unless result.success?
+    result
+  end
+end

app/jobs/valkyrie_create_derivatives_job.rb

@@ -16,8 +16,9 @@ def perform(file_set_id, file_id, _filepath = nil)
 
   def reindex_parent(file_set_id)
     file_set = Hyrax.query_service.find_by(id: file_set_id)
+    return unless file_set
     parent = Hyrax.custom_queries.find_parent_work(resource: file_set)
-    return unless parent.thumbnail_id == file_set.id
+    return unless parent&.thumbnail_id == file_set.id
     Hyrax.logger.debug { "Reindexing #{parent.id} due to creation of thumbnail derivatives." }
     Hyrax.index_adapter.save(resource: parent)
   end

app/models/admin_set.rb

@@ -17,6 +17,7 @@
 # @see Hyrax::DefaultAdminSetActor
 # @see Hyrax::ApplyPermissionTemplateActor
 class AdminSet < ActiveFedora::Base
+  include Hydra::PCDM::CollectionBehavior
   include Hydra::AccessControls::Permissions
   include Hyrax::Noid
   include Hyrax::HumanReadableType

app/models/hyrax/resource.rb

@@ -149,6 +149,11 @@ def work?
       self.class.work?
     end
 
+    # Its nice to know if a record is still in AF or not
+    def wings?
+      respond_to?(:head) && respond_to?(:tail)
+    end
+
     def ==(other)
       attributes.except(:created_at, :updated_at) == other.attributes.except(:created_at, :updated_at) if other.respond_to?(:attributes)
     end

app/services/migrate_resource_service.rb

@@ -0,0 +1,55 @@
+# frozen_string_literal: true
+
+# migrates models from AF to valkyrie
+class MigrateResourceService
+  attr_accessor :resource
+  def initialize(resource:)
+    @resource = resource
+  end
+
+  def model
+    @model || Wings::ModelRegistry.lookup(resource.class).to_s
+  end
+
+  def call
+    prep_resource
+    Hyrax::Transactions::Container[model_events(model)]
+      .with_step_args(**model_steps(model)).call(resource_form)
+  end
+
+  def prep_resource
+    case model
+    when 'FileSet'
+      resource.creator << ::User.batch_user.email if resource.creator.blank?
+    end
+  end
+
+  def resource_form
+    @resource_form ||= Hyrax::Forms::ResourceForm.for(resource: resource)
+  end
+
+  def model_events(model)
+    {
+      'AdminSet' => 'admin_set_resource.update',
+      'Collection' => 'change_set.update_collection',
+      'FileSet' => 'change_set.update_file_set'
+    }[model] || 'change_set.update_work'
+  end
+
+  def model_steps(model)
+    {
+      'AdminSet' => {},
+      'Collection' => {
+        'collection_resource.save_collection_banner' => { banner_unchanged_indicator: true },
+        'collection_resource.save_collection_logo' => { logo_unchanged_indicator: true }
+      },
+      'FileSet' => {
+        'file_set.save_acl' => {}
+      }
+    }[model] || {
+      'work_resource.add_file_sets' => { uploaded_files: [], file_set_params: [] },
+      'work_resource.update_work_members' => { work_members_attributes: [] },
+      'work_resource.save_acl' => { permissions_params: [] }
+    }
+  end
+end

lib/freyja/persister.rb

@@ -32,8 +32,9 @@ def save(resource:, external_resource: false, perform_af_validation: false)
 
     def convert_and_migrate_resource(orm_object)
       new_resource = resource_factory.to_resource(object: orm_object)
-      if Hyrax.config.valkyrie_transition? && new_resource.is_a?(Hyrax::FileSet) && new_resource.file_ids.size == 1 && new_resource.file_ids.first.id.to_s.match('/files/')
-        MigrateFilesToValkyrieJob.perform_later(new_resource)
+      if Hyrax.config.valkyrie_transition?
+        MigrateFilesToValkyrieJob.perform_later(new_resource) if new_resource.is_a?(Hyrax::FileSet) && new_resource.file_ids.size == 1 && new_resource.file_ids.first.id.to_s.match('/files/')
+        MigrateResourcesJob.perform_later(ids: new_resource.member_ids) if new_resource.is_a?(Hyrax::Work)
       end
       new_resource
     end

spec/controllers/hyrax/dashboard/collections_controller_spec.rb

@@ -805,9 +805,6 @@
         before { sign_in user }
 
         it 'shows a list of member files' do
-          pending "update implementation to work with CollectionResource" if
-            model.safe_constantize == CollectionResource
-
           get :files, params: { id: collection }, format: :json
 
           expect(response).to be_successful

spec/jobs/migrate_resources_job_spec.rb

@@ -0,0 +1,29 @@
+# frozen_string_literal: true
+
+require 'freyja/persister'
+RSpec.describe MigrateResourcesJob, index_adapter: :solr_index, valkyrie_adapter: :freyja_adapter do
+  let(:af_file_set) { create(:file_set, title: ['TestFS']) }
+
+  let!(:af_admin_set) do
+    as = AdminSet.new(title: ['AF Admin Set'])
+    as.save
+    AdminSet.find(as.id)
+  end
+
+  describe '#perform' do
+    it "migrates admin sets to valkyrie", active_fedora_to_valkyrie: true do
+      expect(Valkyrie::Persistence::Postgres::ORM::Resource.find_by(id: af_admin_set.id.to_s)).to be_nil
+
+      MigrateResourcesJob.perform_now(ids: [af_admin_set.id])
+      expect(Valkyrie::Persistence::Postgres::ORM::Resource.find_by(id: af_admin_set.id.to_s)).to be_present
+    end
+
+    it "migrates a file set by its id", active_fedora_to_valkyrie: true do
+      expect(Valkyrie::Persistence::Postgres::ORM::Resource.find_by(id: af_file_set.id.to_s)).to be_nil
+
+      MigrateResourcesJob.perform_now(ids: [af_file_set.id])
+
+      expect(Valkyrie::Persistence::Postgres::ORM::Resource.find_by(id: af_file_set.id.to_s)).to be_present
+    end
+  end
+end