add a service to add an identifier

hyrax/app/services/add_identifier_service.rb

@@ -0,0 +1,64 @@
+# frozen_string_literal: true
+
+class AddIdentifierService
+  attr_reader :dataset, :person, :user
+
+  def initialize(dataset_id: , user_id: , complex_person_id: nil, complex_person_name: nil)
+    raise StandardError 'complex_person_id or complex_person_name must be specified' if complex_person_id.nil? && complex_person_name.nil?
+
+    @dataset = Dataset.find(dataset_id)
+    if complex_person_id.present?
+      @person = dataset.complex_person.select { |p| p.id == complex_person_id }.first
+    elsif complex_person_name.present?
+      @person = dataset.complex_person.select { |p| p.name.include?(complex_person_name) }.first
+    end
+    raise StandardError 'complex_person could not be found' if person.nil?
+
+    @user = User.find(user_id)
+  end
+
+  def add_identifier(identifier_type:, identifier_value:)
+    raise StandardError 'invalid identifier_type' unless valid_type?(identifier_type)
+
+    valid_type?
+    attr = clean_attributes
+
+    attr[:complex_person_attributes][0][:complex_identifier_attributes] = [
+      complex_identifier_attributes(identifier_type, identifier_value)
+    ]
+
+    env = Hyrax::Actors::Environment.new(dataset, user.ability, attr)
+    Hyrax::CurationConcern.actor.update(env)
+    dataset.reload
+  end
+
+  def clean_attributes
+    attributes.delete('complex_identifier')
+    attributes.delete('complex_affiliation')
+    { complex_person_attributes: [attributes] }
+  end
+
+  def attributes
+    @attributes ||= person.attributes
+  end
+
+  def complex_identifier_attributes(identifier_type, identifier_value)
+    {
+      identifier: [identifier_value],
+      scheme: [identifier_type]
+    }
+  end
+
+  # def deleted_complex_identifier_attributes(identifier_type)
+  #   existing_identifier = person.complex_identifier.select { |i| i.scheme == [identifier_type] }.first
+  #   return {} if existing_identifier.blank?
+  #   {
+  #     id: existing_identifier.id,
+  #     '_destroy' => '1'
+  #   }
+  # end
+
+  def valid_type?(identifier_type)
+    true if IdentifierService.new.select_active_options.map(&:last).include?(identifier_type)
+  end
+end