Rails Simple Counter App - Ruby-on-rails Typing CST Test

Rails Simple Counter App — Ruby-on-rails Code

Demonstrates a simple Rails controller and view for a counter using in-memory state (for demonstration purposes).

# config/routes.rb
Rails.application.routes.draw do
	get '/counter', to: 'counter#show'
	post '/counter/increment', to: 'counter#increment'
	post '/counter/decrement', to: 'counter#decrement'
	post '/counter/reset', to: 'counter#reset'
end

# app/controllers/counter_controller.rb
class CounterController < ApplicationController
	@@count = 0

	def show
		render html: "<h2>Counter: #{@@count}</h2>".html_safe
	end

	def increment
		@@count += 1
		redirect_to '/counter'
	end

	def decrement
		@@count -= 1
		redirect_to '/counter'
	end

	def reset
		@@count = 0
		redirect_to '/counter'
	end
end

Ruby-on-rails Language Guide

Ruby on Rails (Rails) is a full-stack, server-side web application framework written in Ruby. It emphasizes convention over configuration, DRY (Don't Repeat Yourself) principles, and rapid development.

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