Fix authentication on posts page

lib/aggiedit_web/live/live_helpers.ex

@@ -4,6 +4,9 @@ defmodule AggieditWeb.LiveHelpers do
 
   alias Phoenix.LiveView.JS
 
+  alias Aggiedit.Accounts
+  alias Aggiedit.Accounts.User
+
   @doc """
   Renders a live component inside a modal.
 
@@ -57,4 +60,13 @@ defmodule AggieditWeb.LiveHelpers do
     |> JS.hide(to: "#modal", transition: "fade-out")
     |> JS.hide(to: "#modal-content", transition: "fade-out-scale")
   end
+
+  def assign_socket_user(session, socket) do
+    with token when not is_nil(token) <- session["user_token"],
+         current_user=%User{} = Accounts.get_user_by_session_token(token) do
+      assign(socket, :current_user, current_user)
+    else
+      _ -> socket
+    end
+  end
 end

lib/aggiedit_web/live/post_live/index.ex

@@ -5,8 +5,12 @@ defmodule AggieditWeb.PostLive.Index do
   alias Aggiedit.Rooms.Post
 
   @impl true
-  def mount(_params, _session, socket) do
-    {:ok, assign(socket, :posts, list_posts())}
+  def mount(_params, session, socket) do
+    socket = assign_socket_user(session, socket)
+    case socket.assigns do
+      %{:current_user => user} -> {:ok, assign(socket, :posts, list_posts())}
+      _ -> {:ok, socket |> put_flash(:error, "You must log in to access this page.") |> redirect(to: Routes.user_session_path(socket, :new))}
+    end
   end
 
   @impl true

lib/aggiedit_web/router.ex

@@ -21,7 +21,10 @@ defmodule AggieditWeb.Router do
     pipe_through :browser
 
     get "/", PageController, :index
+  end
 
+  scope "/", AggieditWeb do
+    pipe_through [:browser, :require_authenticated_user]
     live "/posts", PostLive.Index, :index
     live "/posts/new", PostLive.Index, :new
     live "/posts/:id/edit", PostLive.Index, :edit

lib/aggiedit_web/templates/layout/root.html.heex

@@ -21,9 +21,6 @@
           </ul>
           <%= render "_user_menu.html", assigns %>
         </nav>
-        <a href="https://phoenixframework.org/" class="phx-logo">
-          <img src={Routes.static_path(@conn, "/images/phoenix.png")} alt="Phoenix Framework Logo"/>
-        </a>
       </section>
     </header>
     <%= @inner_content %>