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A foundation for building Elixir Phoenix apps — SaaS, social networks, ERP systems, marketplaces, and more

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phoenix_kit lib phoenix_kit_web users confirmation.ex
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lib/phoenix_kit_web/users/confirmation.ex 

defmodule PhoenixKitWeb.Users.Confirmation do

  @moduledoc """

  LiveView for email confirmation.



  Handles the email confirmation flow after a user clicks the confirmation link

  from their registration email. Validates the confirmation token and confirms

  the user account.

  """

  use PhoenixKitWeb, :live_view



  alias PhoenixKit.Users.Auth

  alias PhoenixKit.Utils.Routes



  def mount(%{"token" => token}, _session, socket) do

    form = to_form(%{"token" => token}, as: "user")

    {:ok, assign(socket, form: form), temporary_assigns: [form: nil]}

  end



  # Do not log in the user after confirmation to avoid a

  # leaked token giving the user access to the account.

  def handle_event("confirm_account", %{"user" => %{"token" => token}}, socket) do

    case Auth.confirm_user(token) do

      {:ok, _} ->

        {:noreply,

         socket

         |> put_flash(:info, "User confirmed successfully.")

         |> redirect(to: "/")}



      :error ->

        # If there is a current user and the account was already confirmed,

        # then odds are that the confirmation link was already visited, either

        # by some automation or by the user themselves, so we redirect without

        # a warning message.

        case socket.assigns do

          %{phoenix_kit_current_user: %{confirmed_at: confirmed_at}}

          when not is_nil(confirmed_at) ->

            {:noreply, redirect(socket, to: "/")}



          %{} ->

            {:noreply,

             socket

             |> put_flash(:error, "User confirmation link is invalid or it has expired.")

             |> redirect(to: "/")}

        end

    end

  end

end