Move SerializableResource to ActiveModelSerializers namespace

Ref. https://github.com/rails-api/active_model_serializers/pull/1310

lib/active_model/serializable_resource.rb

@@ -1,81 +1,11 @@
 require 'set'
-require 'active_model_serializers/adapter'
+
 module ActiveModel
   class SerializableResource
-    ADAPTER_OPTION_KEYS = Set.new([:include, :fields, :adapter, :meta, :meta_key, :links])
-    include ActiveModelSerializers::Logging
+    class << self
+      extend ActiveModelSerializers::Deprecate
 
-    delegate :serializable_hash, :as_json, :to_json, to: :adapter
-    notify :serializable_hash, :render
-    notify :as_json, :render
-    notify :to_json, :render
-
-    # Primary interface to composing a resource with a serializer and adapter.
-    # @return the serializable_resource, ready for #as_json/#to_json/#serializable_hash.
-    def initialize(resource, options = {})
-      @resource = resource
-      @adapter_opts, @serializer_opts =
-        options.partition { |k, _| ADAPTER_OPTION_KEYS.include? k }.map { |h| Hash[h] }
+      delegate_and_deprecate :new, ActiveModelSerializers::SerializableResource
     end
-
-    def serialization_scope=(scope)
-      serializer_opts[:scope] = scope
-    end
-
-    def serialization_scope
-      serializer_opts[:scope]
-    end
-
-    def serialization_scope_name=(scope_name)
-      serializer_opts[:scope_name] = scope_name
-    end
-
-    # NOTE: if no adapter is available, returns the resource itself. (i.e. adapter is a no-op)
-    def adapter
-      @adapter ||= find_adapter
-    end
-    alias adapter_instance adapter
-
-    def find_adapter
-      return resource unless serializer?
-      ActiveModelSerializers::Adapter.create(serializer_instance, adapter_opts)
-    rescue ActiveModel::Serializer::CollectionSerializer::NoSerializerError
-      resource
-    end
-
-    def serializer_instance
-      @serializer_instance ||= serializer.new(resource, serializer_opts)
-    end
-
-    # Get serializer either explicitly :serializer or implicitly from resource
-    # Remove :serializer key from serializer_opts
-    # Replace :serializer key with :each_serializer if present
-    def serializer
-      @serializer ||=
-        begin
-          @serializer = serializer_opts.delete(:serializer)
-          @serializer ||= ActiveModel::Serializer.serializer_for(resource)
-
-          if serializer_opts.key?(:each_serializer)
-            serializer_opts[:serializer] = serializer_opts.delete(:each_serializer)
-          end
-          @serializer
-        end
-    end
-    alias serializer_class serializer
-
-    # True when no explicit adapter given, or explicit appear is truthy (non-nil)
-    # False when explicit adapter is falsy (nil or false)
-    def use_adapter?
-      !(adapter_opts.key?(:adapter) && !adapter_opts[:adapter])
-    end
-
-    def serializer?
-      use_adapter? && !!serializer
-    end
-
-    protected
-
-    attr_reader :resource, :adapter_opts, :serializer_opts
   end
 end

lib/active_model/serializer/adapter.rb

@@ -1,3 +1,6 @@
+require 'active_model_serializers/adapter'
+require 'active_model_serializers/deprecate'
+
 module ActiveModel
   class Serializer
     # @deprecated Use ActiveModelSerializers::Adapter instead
@@ -5,25 +8,17 @@ module ActiveModel
       class << self
         extend ActiveModelSerializers::Deprecate
 
-        def self.delegate_and_deprecate(method)
-          delegate method, to: ActiveModelSerializers::Adapter
-          deprecate method, 'ActiveModelSerializers::Adapter.'
+        DEPRECATED_METHODS = [:create, :adapter_class, :adapter_map, :adapters, :register, :lookup].freeze
+        DEPRECATED_METHODS.each do |method|
+          delegate_and_deprecate method, ActiveModelSerializers::Adapter
         end
-        private_class_method :delegate_and_deprecate
-
-        delegate_and_deprecate :create
-        delegate_and_deprecate :adapter_class
-        delegate_and_deprecate :adapter_map
-        delegate_and_deprecate :adapters
-        delegate_and_deprecate :register
-        delegate_and_deprecate :lookup
       end
-
-      require 'active_model/serializer/adapter/base'
-      require 'active_model/serializer/adapter/null'
-      require 'active_model/serializer/adapter/attributes'
-      require 'active_model/serializer/adapter/json'
-      require 'active_model/serializer/adapter/json_api'
     end
   end
 end
+
+require 'active_model/serializer/adapter/base'
+require 'active_model/serializer/adapter/null'
+require 'active_model/serializer/adapter/attributes'
+require 'active_model/serializer/adapter/json'
+require 'active_model/serializer/adapter/json_api'