defmodule Pow.Phoenix.SessionController do
@moduledoc """
Controller actions for session.
The `:request_path` param will automatically be assigned in `:new` and
`:create` actions, and used for the `pow_session_path(conn, :create)` path.
"""
use Pow.Phoenix.Controller
alias Plug.Conn
alias Pow.Plug
plug :require_not_authenticated when action in [:new, :create]
plug :require_authenticated when action in [:delete]
plug :assign_request_path when action in [:new, :create]
plug :assign_create_path when action in [:new, :create]
plug :put_no_cache_header when action in [:new]
@doc false
@spec process_new(Conn.t(), map()) :: {:ok, map(), Conn.t()}
def process_new(conn, _params) do
{:ok, Plug.change_user(conn), conn}
end
@doc false
@spec respond_new({:ok, map(), Conn.t()}) :: Conn.t()
def respond_new({:ok, changeset, conn}) do
conn
|> assign(:changeset, changeset)
|> render("new.html")
end
@doc false
@spec process_create(Conn.t(), map()) :: {:ok | :error, Conn.t()}
def process_create(conn, %{"user" => user_params}) do
Plug.authenticate_user(conn, user_params)
end
@doc false
@spec respond_create({:ok | :error, Conn.t()}) :: Conn.t()
def respond_create({:ok, conn}) do
conn
|> put_flash(:info, messages(conn).signed_in(conn))
|> redirect(to: routes(conn).after_sign_in_path(conn))
end
def respond_create({:error, conn}) do
conn
|> assign(:changeset, Plug.change_user(conn, conn.params["user"]))
|> put_flash(:error, messages(conn).invalid_credentials(conn))
|> render("new.html")
end
@doc false
@spec process_delete(Conn.t(), map()) :: {:ok, Conn.t()}
def process_delete(conn, _params), do: {:ok, Plug.delete(conn)}
@doc false
@spec respond_delete({:ok, Conn.t()}) :: Conn.t()
def respond_delete({:ok, conn}) do
conn
|> put_flash(:info, messages(conn).signed_out(conn))
|> redirect(to: routes(conn).after_sign_out_path(conn))
end
defp assign_request_path(%{params: %{"request_path" => request_path}} = conn, _opts) do
Conn.assign(conn, :request_path, request_path)
end
defp assign_request_path(conn, _opts), do: conn
defp assign_create_path(conn, _opts) do
Conn.assign(conn, :action, create_path(conn))
end
defp create_path(%{assigns: %{request_path: request_path}} = conn) do
create_path(conn, request_path: request_path)
end
defp create_path(conn, query_params \\ []) do
routes(conn).path_for(conn, __MODULE__, :create, [], query_params)
end
end