kmx.io/kmxgit/lib/kmxgit_web/controllers/session_controller.ex

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• Hash : 7d4e6756
  Author : Thomas de Grivel
  Date : 2021-11-18T23:06:28
  

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• lib/kmxgit_web/controllers/session_controller.ex

• defmodule KmxgitWeb.SessionController do
    use KmxgitWeb, :controller
  
    alias Kmxgit.{UserManager, UserManager.User}
  
    def new(conn, params) do
      changeset = UserManager.change_user(%User{})
      user = UserManager.Guardian.Plug.current_resource(conn)
      if user do
        redirect(conn, to: params["redirect"] || Routes.user_path(KmxgitWeb.Endpoint, :show, user.slug.slug))
      else
        redirect = params["redirect"]
        action = if redirect do
          Routes.session_path(conn, :login, redirect: redirect)
        else
          Routes.session_path(conn, :login)
        end
        conn
        |> assign(:action, action)
        |> assign(:changeset, changeset)
        |> assign(:page_title, gettext "Login")
        |> render("new.html")
      end
    end
  
    def login(conn, params = %{"user" => %{"login" => login,
                                           "password" => password}}) do
      redirect = params["redirect"] || "/"
      conn
      |> login_reply(UserManager.authenticate_user(login, password), redirect)
    end
  
    def logout(conn, _params) do
      conn
      |> UserManager.Guardian.Plug.sign_out()
      |> redirect(to: Routes.session_path(conn, :new))
    end
  
    defp login_reply(conn, {:ok, user}, redirect) do
      conn
      |> UserManager.Guardian.Plug.sign_in(user)
      |> redirect(to: redirect || Routes.user_path(KmxgitWeb.Endpoint, :show, user.slug.slug))
    end
  
    defp login_reply(conn, {:error, reason}, _redirect) do
      conn
      |> put_flash(:error, to_string(reason))
      |> new(%{})
    end
  
    @behaviour Guardian.Plug.ErrorHandler
  
    @impl Guardian.Plug.ErrorHandler
    def auth_error(conn, {type, _reason}, _opts) do
      body = to_string(type)
      case conn.request_path do
        "/sessions/new" ->
          conn
          |> put_view(KmxgitWeb.SessionView)
          |> put_layout({KmxgitWeb.LayoutView, "app.html"})
          |> put_flash(:error, body)
          |> new(conn.params)
          |> halt()
        "/sessions/login" ->
          conn
          |> put_view(KmxgitWeb.SessionView)
          |> put_layout({KmxgitWeb.LayoutView, "app.html"})
          |> put_flash(:error, body)
          |> login(conn.params)
          |> halt()
        _ ->
          conn
          |> put_flash(:error, body)
          |> redirect(to: Routes.session_path(conn, :new, redirect: current_path(conn)        |> halt()
  ))
      end
    end
  end
  

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