rails

class CreateComments < ActiveRecord::Migration[6.1]
  def change
    create_table :comments do |t|
      t.references :commentable, polymorphic: true, null: false
      t.references :author, null: false, foreign_key: { to_table: :users }
      t.text :body, null: false

class DashboardMetrics
  include ActiveModel::Model

  attr_reader :account

  def initialize(account)

class AddressForm
  include ActiveModel::Model
  include ActiveModel::Attributes

  attribute :line1, :string
  attribute :line2, :string

class CommentsController < ApplicationController
  before_action :set_post

  def new
    @comment = @post.comments.build
  end

module RequestStore
  def self.store
    Thread.current[:request_store] ||= {}
  end

  def self.fetch(key)

<%= link_to 'Newest', posts_path(sort: 'new'), data: { turbo_frame: 'results', turbo_action: 'replace' } %>
<%= link_to 'Popular', posts_path(sort: 'popular'), data: { turbo_frame: 'results', turbo_action: 'replace' } %>

class ImportRun < ApplicationRecord
  enum status: { pending: 0, running: 1, completed: 2, failed: 3 }

  def percent
    return 0 if total.to_i.zero?
    [(processed.to_f / total * 100).round, 100].min

class LikesController < ApplicationController
  before_action :set_post

  def create
    @like = current_user.likes.create!(post: @post)
    respond(liked: true)

class AddSlugToPosts < ActiveRecord::Migration[7.1]
  def change
    add_column :posts, :slug, :string, null: false
    add_index :posts, :slug, unique: true
  end
end

module Posts
  class CreateService
    def initialize(author:, params:)
      @author = author
      @params = params
    end

namespace :cleanup do
  desc "Enqueue a job to purge expired sessions"
  task expired_sessions: :environment do
    job = ExpiredSessionCleanupJob.perform_later
    Rails.logger.info("[cleanup:expired_sessions] enqueued job #{job.job_id}")
  end

Rails.application.routes.draw do
  namespace :api, defaults: { format: :json } do
    namespace :v1 do
      resources :articles, only: [:index, :show, :create, :update, :destroy]
      resources :sessions, only: [:create]
    end