collection.rb in alba-3.5.0

- old
+ new

@@ -5,10 +5,12 @@
 
 # --- Alba serializers ---
 
 require "alba"
 
+Alba.inflector = :active_support
+
 class AlbaCommentResource
   include ::Alba::Resource
   attributes :id, :body
 end
 
@@ -19,10 +21,20 @@
     post.commenters.pluck(:name)
   end
   many :comments, resource: AlbaCommentResource
 end
 
+class AlbaCommentWithTransformationResource < AlbaCommentResource
+  transform_keys :lower_camel
+end
+
+class AlbaPostWithTransformationResource < AlbaPostResource
+  many :comments, resource: AlbaCommentWithTransformationResource
+
+  transform_keys :lower_camel
+end
+
 # --- ActiveModelSerializer serializers ---
 
 require "active_model_serializers"
 
 ActiveModelSerializers.logger = Logger.new(nil)
@@ -131,11 +143,11 @@
 
   items class: Post do
     property :id
     property :body
     property :commenter_names
-    collection :comments
+    collection :comments, decorator: CommentRepresenter
   end
 
   def commenter_names
     commenters.pluck(:name)
   end
@@ -203,10 +215,11 @@
 posts = Post.all.includes(:comments, :commenters)
 
 # --- Store the serializers in procs ---
 
 alba = Proc.new { AlbaPostResource.new(posts).serialize }
+alba_with_transformation = Proc.new { AlbaPostWithTransformationResource.new(posts).serialize }
 alba_inline = Proc.new do
   Alba.serialize(posts) do
     attributes :id, :body
     attribute :commenter_names do |post|
       post.commenters.pluck(:name)
@@ -220,11 +233,11 @@
 blueprinter = Proc.new { PostBlueprint.render(posts) }
 fast_serializer = Proc.new { FastSerializerPostResource.new(posts).to_json }
 jserializer = Proc.new { JserializerPostSerializer.new(posts, is_collection: true).to_json }
 panko = proc { Panko::ArraySerializer.new(posts, each_serializer: PankoPostSerializer).to_json }
 rails = Proc.new do
-  ActiveSupport::JSON.encode(posts.map{ |post| post.serializable_hash(include: :comments) })
+  posts.to_json(include: {comments: {only: [:id, :body]}}, methods: [:commenter_names])
 end
 representable = Proc.new { PostsRepresenter.new(posts).to_json }
 simple_ams = Proc.new { SimpleAMS::Renderer::Collection.new(posts, serializer: SimpleAMSPostSerializer).to_json }
 turbostreamer = Proc.new { TurbostreamerSerializer.new(posts).to_json }
 
@@ -252,10 +265,11 @@
 
 # --- Run the benchmarks ---
 
 benchmark_body = lambda do |x|
   x.report(:alba, &alba)
+  x.report(:alba_with_transformation, &alba_with_transformation)
   x.report(:alba_inline, &alba_inline)
   x.report(:ams, &ams)
   x.report(:blueprinter, &blueprinter)
   x.report(:fast_serializer, &fast_serializer)
   x.report(:jserializer, &jserializer)
@@ -271,5 +285,13 @@
 require 'benchmark/ips'
 Benchmark.ips(&benchmark_body)
 
 require 'benchmark/memory'
 Benchmark.memory(&benchmark_body)
+
+# --- Show gem versions ---
+
+puts "Gem versions:"
+gems = %w[alba active_model_serializers blueprinter fast_serializer jserializer panko_serializer representable simple_ams turbostreamer]
+Bundler.load.specs.each do |spec|
+  puts "#{spec.name}: #{spec.version}" if gems.include?(spec.name)
+end