[BAC-336] Move AJ serializer to AME from voices

Gemfile

@@ -9,6 +9,7 @@ gemspec
 gem "rexml", ">= 3.3.6"
 
 group :development, :test do
+  gem "activejob", ">= 7.0", require: false
   gem "debug"
   gem "rake", "~> 13.0"
   gem "rspec", "~> 3.0"

Gemfile.lock

@@ -25,6 +25,9 @@ GEM
       erubi (~> 1.11)
       rails-dom-testing (~> 2.2)
       rails-html-sanitizer (~> 1.6)
+    activejob (7.1.3.4)
+      activesupport (= 7.1.3.4)
+      globalid (>= 0.3.6)
     activemodel (7.1.3.4)
       activesupport (= 7.1.3.4)
     activesupport (7.1.3.4)
@@ -52,6 +55,8 @@ GEM
     drb (2.2.1)
     erb (5.0.1)
     erubi (1.13.0)
+    globalid (1.2.1)
+      activesupport (>= 6.1)
     i18n (1.14.5)
       concurrent-ruby (~> 1.0)
     io-console (0.8.0)
@@ -151,6 +156,7 @@ PLATFORMS
   x86_64-linux
 
 DEPENDENCIES
+  activejob (>= 7.0)
   activemodel-entity!
   debug
   rake (~> 13.0)

lib/active_model/entity.rb

@@ -18,6 +18,9 @@
 require_relative "entity/validations/validates_nested"
 require_relative "entity/pattern_matcheable"
 
+# Load Railtie if Rails is defined
+require_relative "entity/railtie" if defined?(Rails::Railtie)
+
 module ActiveModel
   # Main module providing all neccesary includes to bring missing functionality to ActiveModel instances.
   module Entity

lib/active_model/entity/active_job.rb

@@ -0,0 +1,28 @@
+# frozen_string_literal: true
+
+# This file is only loaded when explicitly required or when Rails/ActiveJob is present
+# It provides ActiveJob serialization support for ActiveModel::Entity objects
+
+if defined?(ActiveJob)
+  module ActiveJob
+    module Serializers
+      # Handles serialization of all ActiveModel::Entity classes.
+      class ActiveModelSerializer < ActiveJob::Serializers::ObjectSerializer
+        def serialize?(argument)
+          argument.is_a?(ActiveModel::Entity)
+        end
+
+        def serialize(argument)
+          super(
+            "type" => argument.class.name,
+            "json" => argument.class.represent(argument),
+          )
+        end
+
+        def deserialize(hash)
+          hash["type"].constantize.from_json(hash["json"])
+        end
+      end
+    end
+  end
+end

lib/active_model/entity/railtie.rb

@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+module ActiveModel
+  module Entity
+    # Railtie to integrate with Rails and ActiveJob
+    class Railtie < Rails::Railtie
+      initializer "activemodel_entity.configure_active_job_serializer" do
+        require "active_model/entity/active_job"
+
+        if defined?(ActiveJob::Serializers::ActiveModelSerializer)
+          Rails.application.config.to_prepare do
+            Rails.application.config.active_job.custom_serializers << ActiveJob::Serializers::ActiveModelSerializer
+          end
+        end
+      end
+    end
+  end
+end

spec/active_model/entity/active_job_spec.rb

@@ -0,0 +1,30 @@
+# frozen_string_literal: true
+
+require "spec_helper"
+
+require "active_job"
+require "active_model/entity/active_job"
+require "active_job/arguments"
+
+ActiveJob::Serializers.add_serializers(ActiveJob::Serializers::ActiveModelSerializer)
+
+RSpec.describe ActiveJob::Serializers::ActiveModelSerializer do
+  subject(:entity) { klass.new(text: "hello", number: 1) }
+
+  let(:klass) do
+    Class.new do
+      include ActiveModel::Entity
+
+      attribute :text, :string
+      attribute :number, :integer
+    end
+  end
+
+  before do
+    stub_const("MyClass", klass)
+  end
+
+  it "serializes things back and forth" do
+    expect(ActiveJob::Arguments.deserialize(ActiveJob::Arguments.serialize([entity]))).to eq([entity])
+  end
+end