rails

ruby
class PasswordResetsController < ApplicationController
  before_action :find_user_by_token, only: [:edit, :update]

  def create
    user = User.find_by(email: params[:email]&.downcase)

Secure password reset flow with signed tokens

rails security authentication
by Alex Kumar 1 tab
erb
<nav id="main-navbar"
     data-turbo-permanent
     data-controller="navbar"
     data-navbar-menu-open-value="false"
     class="navbar">
  <div class="navbar-inner">

Keep navbar state across Turbo navigations with data-turbo-permanent

rails hotwire turbo
by codesnips 3 tabs
ruby
# app/policies/post_policy.rb
class PostPolicy < ApplicationPolicy
  class Scope < Scope
    def resolve
      if user.admin?
        scope.all

Pundit for authorization and policy objects

ruby rails pundit
by Sarah Mitchell 2 tabs
erb
<%= turbo_stream_from :comments %>

<section class="comments">
  <h2>Discussion</h2>

  <%= turbo_frame_tag "new_comment" do %>

Inline create form that prepends into a list with Turbo Streams

rails hotwire turbo
by codesnips 4 tabs
ruby
class UserSearchQuery
  def initialize(relation = User.all)
    @relation = relation
  end

  def call(params)

Query objects for complex database queries

ruby rails query-objects
by Sarah Mitchell 2 tabs
ruby
class Post < ApplicationRecord
  has_many :comments, dependent: :destroy

  # comments_count is maintained by counter_cache on Comment#belongs_to

  scope :stale_comment_counts, lambda {

Counter Cache Repair Job (Consistency Tooling)

rails activerecord counter-cache
by codesnips 3 tabs
ruby
class CommentsController < ApplicationController
  def create
    @post = Post.find(params[:post_id])
    @comment = @post.comments.build(comment_params)
    @comment.author = current_user

Turbo Streams for real-time list updates

hotwire turbo turbo-streams
by Jordan Lee 2 tabs
ruby
class TransferFundsService
  def initialize(from_account:, to_account:, amount:)
    @from_account = from_account
    @to_account = to_account
    @amount = amount
  end

Database transactions for data consistency

rails database activerecord
by Alex Kumar 1 tab
erb
<div class="layout" data-controller="sidebar">
  <aside class="sidebar">
    <%= render "shared/sidebar", active: params[:controller] %>
  </aside>

  <main class="content-area">

Scoped navigation inside a sidebar with Turbo Frames

rails hotwire turbo
by codesnips 4 tabs
erb
<div class="orders-layout" data-controller="drawer">
  <table class="orders">
    <tbody>
      <% @orders.each do |order| %>
        <tr>
          <td><%= order.reference %></td>

Turbo Frames: inline “details drawer” without a SPA router

rails hotwire turbo
by codesnips 4 tabs
ruby
class CommentsChannel < ApplicationCable::Channel
  def subscribed
    post = find_post
    if post
      stream_for post
    else

Broadcasting New Comments to Subscribers over an ActionCable Channel

rails actioncable websockets
by codesnips 4 tabs
ruby
# Gemfile
gem 'draper'

# app/decorators/user_decorator.rb
class UserDecorator < Draper::Decorator
  delegate_all

Decorator pattern with Draper for view logic

ruby rails draper
by Sarah Mitchell 2 tabs