From b3379b6b760fbfddfc65192baf305303c55c7259 Mon Sep 17 00:00:00 2001
From: Eric Seidler <eric.seidler@gmail.com>
Date: Fri, 20 Jul 2018 08:07:43 -0500
Subject: [PATCH 1/2] allow anonymous users to visit main page

---
 discuss/web/templates/topic/index.html.eex | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/discuss/web/templates/topic/index.html.eex b/discuss/web/templates/topic/index.html.eex
index 09dfab5..4f527d4 100644
--- a/discuss/web/templates/topic/index.html.eex
+++ b/discuss/web/templates/topic/index.html.eex
@@ -5,7 +5,7 @@
     <li class="collection-item">
       <%= link topic.title, to: topic_path(@conn, :show, topic) %>
 
-      <%= if @conn.assigns.user.id == topic.user_id do %>
+      <%= if @conn.assigns.user && @conn.assigns.user.id == topic.user_id do %>
         <div class="right">
           <%= link "Edit", to: topic_path(@conn, :edit, topic) %>
           <%= link "Delete", to: topic_path(@conn, :delete, topic), method: :delete %>

From 292eb455285d75548ead5603394dc3e633b594c3 Mon Sep 17 00:00:00 2001
From: Eric Seidler <eric.seidler@gmail.com>
Date: Fri, 20 Jul 2018 08:08:06 -0500
Subject: [PATCH 2/2] allow anonymous users to see comments

---
 discuss/web/channels/user_socket.ex | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/discuss/web/channels/user_socket.ex b/discuss/web/channels/user_socket.ex
index ac646ca..213dba1 100644
--- a/discuss/web/channels/user_socket.ex
+++ b/discuss/web/channels/user_socket.ex
@@ -6,11 +6,15 @@ defmodule Discuss.UserSocket do
   transport :websocket, Phoenix.Transports.WebSocket
 
   def connect(%{"token" => token}, socket) do
-    case Phoenix.Token.verify(socket, "key", token) do
-      {:ok, user_id} ->
-        {:ok, assign(socket, :user_id, user_id)}
-      {:error, _error} ->
-        :error
+    if token == "undefined" do
+      {:ok, socket} # anonymous
+    else
+      case Phoenix.Token.verify(socket, "key", token) do
+        {:ok, user_id} ->
+          {:ok, assign(socket, :user_id, user_id)}
+        {:error, _error} ->
+          :error
+      end
     end
   end