[rails] Return plain json from route

Return JSON from the routes is a lot faster: +------------+------------------------------+------+ | name| branch_name| json| +------------+------------------------------+------+ |rails-iodine| master|105369| |rails-iodine| rails/json-from-route|144006| +------------+------------------------------+------+
TechEmpower · Jan 28, 2025 · 1de1af2 · 1de1af2
1 parent 523534b
commit 1de1af2
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Showing 3 changed files with 44 additions and 27 deletions.
diff --git a/frameworks/Ruby/rails/app/controllers/application_controller_metal.rb b/frameworks/Ruby/rails/app/controllers/application_controller_metal.rb
diff --git a/frameworks/Ruby/rails/app/controllers/json_controller.rb b/frameworks/Ruby/rails/app/controllers/json_controller.rb
diff --git a/frameworks/Ruby/rails/config/routes.rb b/frameworks/Ruby/rails/config/routes.rb
@@ -1,19 +1,53 @@
 Rails.application.routes.draw do
   # For details on the DSL available within this file, see http://guides.rubyonrails.org/routing.html
 
-  get "json", to: JsonController.action(:index)
+  JsonApp = if defined?(Falcon) || defined?(Puma) || defined?(Agoo)
+    ->(env) do
+      [200,
+       {
+         'Server' => 'Rails',
+         'Content-Type' => 'application/json',
+         'Date' => Time.now.httpdate,
+       },
+       [{ 'message' => 'Hello, World!' }.to_json]]
+    end
+  else
+    ->(env) do
+      [200,
+       {
+         'Server' => 'Rails',
+         'Content-Type' => 'application/json'
+       },
+       [{ 'message' => 'Hello, World!' }.to_json]]
+    end
+  end
+
+  PlaintextApp = if defined?(Falcon) || defined?(Puma)
+    ->(env) do
+      [200,
+       {
+         'Server' => 'Rails',
+         'Content-Type' => 'text/plain',
+         'Date' => Time.now.httpdate
+       },
+       ['Hello, World!']]
+    end
+  else
+    ->(env) do
+      [200,
+       {
+         'Server' => 'Rails',
+         'Content-Type' => 'text/plain'
+       },
+       ['Hello, World!']]
+    end
+  end
+
+  get "json", to: JsonApp
   get "db", to: "hello_world#db"
   get "queries", to: "hello_world#query"
   get "fortunes", to: "hello_world#fortune"
   get "updates", to: "hello_world#update"
-  get "plaintext", to: ->(env) do
-    [200,
-     {
-       'Content-Type' => 'text/plain',
-       'Date' => Time.now.httpdate,
-       'Server' => 'Rails'
-     },
-     ['Hello, World!']]
-  end
+  get "plaintext", to: PlaintextApp
   get "cached", to: "hello_world#cached_query"
 end