transaction exercise: transaction solution

koppie/app/indexers/monograph_indexer.rb

@@ -7,10 +7,9 @@ class MonographIndexer < Hyrax::ValkyrieWorkIndexer
   include Hyrax::Indexer(:monograph)
 
   # Uncomment this block if you want to add custom indexing behavior:
-  #  def to_solr
-  #    super.tap do |index_document|
-  #      index_document[:my_field_tesim]   = resource.my_field.map(&:to_s)
-  #      index_document[:other_field_ssim] = resource.other_field
-  #    end
-  #  end
+  def to_solr
+    super.tap do |index_document|
+      index_document[:identifier_ssim] = Array(resource.identifier).map(&:to_s)
+    end
+  end
 end

koppie/app/transactions/mint_id.rb

@@ -0,0 +1,20 @@
+class MintId
+  include Dry::Monads[:result]
+
+  def call(obj)
+    return Failure[:no_identifier_attribute] unless
+      obj.respond_to?(:identifier=)
+
+    return Failure[:object_not_persisted] unless
+      obj.try(:persisted?)
+
+    user = User.find_by_user_key(obj.depositor)
+
+    obj.identifier = "my_id_scheme:#{obj.id}"
+
+    result = Hyrax.persister.save(resource: obj)
+    Hyrax.publisher.publish("object.metadata.updated", object: obj, user: user)
+
+    Success(result)
+  end
+end

koppie/config/initializers/10_transactions.rb

@@ -0,0 +1,23 @@
+Hyrax::Transactions::Container.register('work_resource.mint_id', MintId.new)
+
+class ApplicationContainerOverrides
+  extend Dry::Container::Mixin
+
+  namespace 'change_set' do |ops|
+    ops.register 'create_work' do
+      Hyrax::Transactions::WorkCreate.new(steps:
+        ['change_set.set_default_admin_set',
+         'change_set.ensure_admin_set',
+         'change_set.set_user_as_depositor',
+         'change_set.apply',
+         'work_resource.mint_id',
+         'work_resource.apply_permission_template',
+         'work_resource.save_acl',
+         'work_resource.add_file_sets',
+         'work_resource.change_depositor',
+         'work_resource.add_to_parent'])
+    end
+  end
+end
+
+Hyrax::Transactions::Container.merge(ApplicationContainerOverrides)