walshyb

class RegistrationsController < Devise::RegistrationsController
  protected
  
  def sign_up_params
    params.require(:user).permit(
      :password,
      :password_confirmation,
      contact: [
        :name,
        email_addresses_attributes: [ :email ]

walshyb

# app/views/devise/registrations/new.html.erb

<%= form_for(resource, as: resource_name, url: registration_path(resource_name)) do |f| %>
  <%= render "devise/shared/error_messages", resource: resource %>
    
  <%= f.fields_for :contact do |c| %>
    <div class="field">
      <%= c.label :name %><br />
      <%= c.text_field :name %>
    </div>

walshyb

# app/models/user.rb
class User
  belongs_to :contact
  
  # This is optional
  has_many :email_addresses, through: :contact
  
  # So we can create the contact association when creating a User
  accepts_nested_attributes_for :contact
  after_initialize :add_contact

walshyb

# app/models/contact.rb
class Contact
  has_one :user
  has_many :email_addresses
  
  accepts_nested_attributes_for :email_addresses
end

walshyb

# app/models/user.rb

def email
  email_address = email_addresses.where(primary: true).first
  return email_address.email if email_address
end

walshyb

where(conditions.to_h)
  .includes(:email_addresses)
  .where(email_addresses: {
    email: email,
    primary: true 
  }).first

walshyb

# db/migrate/20200804153022_add_primary_to_email_addresses

class AddPrimaryToEmailAddresses < ActiveRecord::Migration[6.0]
  def change
    add_column :email_addresses, :primary, :boolean, default: false
    add_index :email_addresses, :primary
  end
end

walshyb

# app/controllers/registrations_controller.rb

class RegistrationsController < Devise::RegistrationsController
  protected
  def sign_up_params
    params.require(:user).permit(
      :name, 
      :password, 
      :password_confirmation, 
      email_addresses: [

walshyb

# app/views/devise/registrations/new.html.erb

<%= form_for(resource, as: resource_name, url: registration_path(resource_name)) do |f| %>
  <%= render "devise/shared/error_messages", resource: resource %>
    <%= f.fields_for 'email_addresses_attributes[1]' do |e| %>
      <div class="field">
        <%= e.label :email %><br />
        <%= e.email_field :email, autofocus: true, autocomplete: "email" %>
      </div>
    <% end %>

walshyb

# app/models/user.rb

class User

  has_many :email_addresses
  accepts_nested_attributes_for :email_addresses

  # ... association definitions and other methods

  # Define our overrides: