Packages

phoenix_kit

2.62.2
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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 reset_password.ex
Raw

lib/phoenix_kit_web/users/reset_password.ex

defmodule PhoenixKitWeb.Users.ResetPassword do
  @moduledoc """
  LiveView for password reset functionality.

  Handles the password reset flow after a user clicks the reset link from their email.
  Validates the reset token and allows the user to set a new password.
  """
  use PhoenixKitWeb, :live_view

  alias PhoenixKit.Users.Auth
  alias PhoenixKit.Utils.Routes

  def mount(params, _session, socket) do
    socket = assign(socket, :page_title, gettext("Reset Password"))

    case PhoenixKitWeb.Users.Auth.maybe_redirect_authenticated(socket) do
      {:redirect, socket} ->
        {:ok, socket}

      :cont ->
        socket = assign_user_and_token(socket, params)

        form_source =
          case socket.assigns do
            %{user: user} ->
              Auth.change_user_password(user)

            _ ->
              %{}
          end

        {:ok, assign_form(socket, form_source), temporary_assigns: [form: nil]}
    end
  end

  # Do not log in the user after reset password to avoid a
  # leaked token giving the user access to the account.
  def handle_event("reset_password", %{"user" => user_params}, socket) do
    case Auth.reset_user_password(socket.assigns.user, user_params) do
      {:ok, _} ->
        {:noreply,
         socket
         |> put_flash(:info, gettext("Password reset successfully."))
         |> redirect(to: Routes.path("/users/log-in"))}

      {:error, changeset} ->
        {:noreply, assign_form(socket, Map.put(changeset, :action, :insert))}
    end
  end

  def handle_event("validate", %{"user" => user_params}, socket) do
    changeset = Auth.change_user_password(socket.assigns.user, user_params)
    {:noreply, assign_form(socket, Map.put(changeset, :action, :validate))}
  end

  defp assign_user_and_token(socket, %{"token" => token}) do
    if user = Auth.get_user_by_reset_password_token(token) do
      assign(socket, user: user, token: token)
    else
      socket
      |> put_flash(:error, gettext("Reset password link is invalid or it has expired."))
      |> redirect(
        to: Routes.safe_destination(socket, scope: socket.assigns[:phoenix_kit_current_scope])
      )
    end
  end

  defp assign_form(socket, %{} = source) do
    assign(socket, :form, to_form(source, as: "user"))
  end
end