abitdodgy

defmodule App.Membership do
  schema "memberships" do
    field :role
  end
end

abitdodgy

defmodule App.Account do
  # ...
  def changeset(struct, params \\ %{}) do
    struct
    # ...
    |> cast_assoc(:memberships, required: true)
  end  
end
defmodule App.Membership do
  # ...

abitdodgy

defmodule Class.RegistrationController do
  # ...
  
  def create(conn, %{"account" => params}) do
    changeset = Account.changeset(%Account{}, params)
    case Repo.insert(changeset) do
      {:ok, account} ->
        redirect conn, to: registration_path(conn, :new)
      {:error, changeset} ->
        changeset = %{changeset | action: :insert}

abitdodgy

<%= form_for @changeset, registration_path(@conn, :create), fn f -> %>
  <div class="form-group">
    <%= label f, :name %>
    <%= text_input f, :name, class: "form-control" %>
    <%= error_tag f, :name %>
  </div>
  <div class="form-group">
    <%= inputs_for f, :memberships, fn mf -> %>
      <%= inputs_for mf, :user, fn uf -> %>
        <div class="form-group">

abitdodgy

defmodule App.RegistrationController do
  # ...
  def new(conn, _params) do
    changeset =
      Account.changeset(
        %Account{memberships: [
          %Membership{user: %User{}}]})
    render conn, "new.html", changeset: changeset
  end
end

abitdodgy

%{"account" => %{
  "name" => "Ecto Phoenix Demo",
  "memberships" => %{
    "0" => %{
      "user" => %{
        "email" => "mohamad@example.com"}}}}

abitdodgy

defmodule App.Account do
  schema "accounts" do
    field :name, :string
    has_many :memberships, App.Membership
    has_many :users, through: [:memberships, :user]
  end
  def changeset(struct, params \\ %{}) do
    struct
    |> cast(params, [:name])
    |> validate_required([:name])

abitdodgy

<%= form_for @changeset, registration_path(@conn, :create), fn f -> %>
  <div class="form-group">
    <%= label f, :org_name %>
    <%= text_input f, :org_name, class: "form-control" %>
    <%= error_tag f, :org_name %>
  </div>
  <div class="form-group">
    <%= label f, :email %>
    <%= text_input f, :email, class: "form-control" %>
    <%= error_tag f, :email %>

abitdodgy

1. install npm packages
2. update brunch-config.js
3. rename web/static/css/app.css to web/static/css/app.scss
4. update web/static/css/app.scss

abitdodgy

defmodule Event.Plug.API.VersionRouter do
  @default_api_version "1"

  def init(options) do
    case Keyword.fetch!(options, :versions) do
      versions ->
        for {version, router} <- versions, into: %{} do
          {version, {router, router.init([])}}
        end
    end