mastodon/app/controllers/auth/setup_controller.rb

# frozen_string_literal: true

class Auth::SetupController < ApplicationController
  layout 'auth'

  before_action :authenticate_user!
  before_action :require_unconfirmed_or_pending!
  before_action :set_body_classes
  before_action :set_user

  skip_before_action :require_functional!

  def show
    flash.now[:notice] = begin
      if @user.pending?
        I18n.t('devise.registrations.signed_up_but_pending')
      else
        I18n.t('devise.registrations.signed_up_but_unconfirmed')
      end
    end
  end

  def update
    # This allows updating the e-mail without entering a password as is required
    # on the account settings page; however, we only allow this for accounts
    # that were not confirmed yet

    if @user.update(user_params)
      redirect_to auth_setup_path, notice: I18n.t('devise.confirmations.send_instructions')
    else
      render :show
    end
  end

  helper_method :missing_email?

  private

  def require_unconfirmed_or_pending!
    redirect_to root_path if current_user.confirmed? && current_user.approved?
  end

  def set_user
    @user = current_user
  end

  def set_body_classes
    @body_classes = 'lighter'
  end

  def user_params
    params.require(:user).permit(:email)
  end

  def missing_email?
    truthy_param?(:missing_email)
  end
end