rails

<div data-controller="toast" data-toast-timeout-value="2500" class="rounded bg-gray-900 px-3 py-2 text-white">
  <div class="flex items-start justify-between gap-3">
    <div><%= message %></div>
    <button type="button" data-action="toast#close">✕</button>
  </div>
</div>

# app/channels/chat_channel.rb
class ChatChannel < ApplicationCable::Channel
  def subscribed
    # Subscribe to a specific room
    room = Room.find(params[:room_id])

Rails.application.routes.draw do
  namespace :api do
    namespace :v1 do
      resources :posts do
        resources :comments, only: [:index, :create]
      end

class Tag < ApplicationRecord
  has_many :taggings, dependent: :destroy

  scope :top, ->(limit = 20) {
    joins(:taggings)
      .group(Arel.sql("tags.id"))

require "timeout"

module HealthCheck
  class Probe
    Result = Struct.new(:name, :status, :latency_ms, :critical, :error, keyword_init: true) do
      def healthy?

class AddDeletedAtToPosts < ActiveRecord::Migration[6.1]
  def change
    add_column :posts, :deleted_at, :datetime
    add_index :posts, :deleted_at
  end
end

class FeatureFlag < ApplicationRecord
  validates :key, presence: true, uniqueness: true
  validates :percentage, inclusion: { in: 0..100 }

  after_commit :expire_cache

# app/validators/order_validator.rb
class OrderValidator < ActiveModel::Validator
  def validate(record)
    validate_order_total(record)
    validate_items_availability(record)
    validate_shipping_address(record)

class CreateProcessedEvents < ActiveRecord::Migration[7.1]
  def change
    create_table :processed_events do |t|
      t.string :event_key, null: false
      t.string :job_class, null: false
      t.jsonb :metadata, null: false, default: {}

Rails.application.config.middleware.insert_before 0, Rack::Cors do
  allow do
    origins_list = if Rails.env.production?
                     ENV['CORS_ALLOWED_ORIGINS']&.split(',') || []
                   else
                     'localhost:3000', 'localhost:5173', /127\.0\.0\.1:\d+/

class CreateUsers < ActiveRecord::Migration[7.1]
  def change
    create_table :users do |t|
      t.string :name, null: false

      # Ciphertext is larger than plaintext, so use text columns.

class Document < ApplicationRecord
  belongs_to :owner, class_name: "User"
  has_many :visibilities, class_name: "DocumentVisibility", dependent: :delete_all

  scope :public_documents, -> { where(is_public: true) }