azranel

require 'dry-validation'

## Schema

Users::NewSchema = Dry::Validation.Form do
  GENDERS = %w(
    male
    female
    non-specific
  )

azranel

require 'dry-validation'

schema = Dry::Validation.Schema do
  GENDERS = %w(
    male
    female
    non-specific
  )

  required(:email).filled(:str?)

azranel

module Order
  # Service Object used to transit order into checkout state
  class CheckoutOrderService
    def initialize(order)
      @order = order
    end

    def call
      validate_order!

azranel

class ClassWithModule
  include ModuleExample
end

azranel

# Abstract calculator class, only for inheritance
class Calculator
  def calculate
    raise NotImplementedError, 'must be implemented in subclass'
  end
end

azranel

def fizzbuzz(number)
  if (number % 3 == 0 && number % 5 ==0)
    puts "FizzBuzz"
  elsif (number % 3 == 0)
    puts "Fizz"
  elsif (number % 5 == 0)
    puts "Buzz"
  else
    puts number
  end

azranel

defmodule SomeApp.Router do
  use SomeApp.Web, :router

  pipeline :browser do
    plug :accepts, ["html"]
    plug :fetch_session
    plug :fetch_flash
    plug :protect_from_forgery
    plug :put_secure_browser_headers
  end

azranel

defmodule SomeApp.Endpoint do
  use Phoenix.Endpoint, otp_app: :some_app

  socket "/socket", SomeApp.UserSocket

  # Serve at "/" the static files from "priv/static" directory.
  #
  # You should set gzip to true if you are running phoenix.digest
  # when deploying your static files in production.
  plug Plug.Static,

azranel

defmodule BlogPostApp.Post do
  use BlogPostApp.Web, :model

  schema "posts" do
    field :name, :string
    field :content, :string
    field :published, :boolean, default: false

    timestamps()
  end

azranel

defmodule BlogPostApp.Repo.Migrations.CreatePost do
  use Ecto.Migration

  def change do
    create table(:posts) do
      add :name, :string
      add :content, :text
      add :published, :boolean, default: false, null: false

      timestamps()