From 680f82664e2b31e8ca641457ec4c979815ed167f Mon Sep 17 00:00:00 2001
From: Shadowfacts <me@shadowfacts.net>
Date: Wed, 15 Jan 2020 21:24:35 -0500
Subject: [PATCH] Add login/logout buttons

---
 config/config.exs                            |  2 ++
 lib/clacks_web/router.ex                     |  2 +-
 lib/clacks_web/templates/layout/app.html.eex | 18 +++++++++++++-----
 lib/clacks_web/views/layout_view.ex          | 18 ++++++++++++++++++
 4 files changed, 34 insertions(+), 6 deletions(-)
diff --git a/config/config.exs b/config/config.exs
index 7361046..d398660 100644
--- a/config/config.exs
+++ b/config/config.exs
@@ -7,6 +7,8 @@
 # General application configuration
 use Mix.Config
 
+config :clacks, :instance, name: "Clacks"
+
 config :clacks, :frontend, unauthenticated_homepage: :public_timeline
 
 config :clacks,
diff --git a/lib/clacks_web/router.ex b/lib/clacks_web/router.ex
index 403ed84..c235020 100644
--- a/lib/clacks_web/router.ex
+++ b/lib/clacks_web/router.ex
@@ -43,7 +43,7 @@ defmodule ClacksWeb.Router do
 
     get "/login", LoginController, :login
     post "/login", LoginController, :login_post
-    post "/logout", LoginController, :logout_post
+    post "/logout", LoginController, :logout
   end
 
   scope "/", ClacksWeb do
diff --git a/lib/clacks_web/templates/layout/app.html.eex b/lib/clacks_web/templates/layout/app.html.eex
index b0c0af6..61fcf62 100644
--- a/lib/clacks_web/templates/layout/app.html.eex
+++ b/lib/clacks_web/templates/layout/app.html.eex
@@ -4,7 +4,7 @@
     <meta charset="utf-8"/>
     <meta http-equiv="X-UA-Compatible" content="IE=edge"/>
     <meta name="viewport" content="width=device-width, initial-scale=1.0"/>
-    <title>Clacks · Phoenix Framework</title>
+    <title><%= assigns[:page_title] || "Clacks" %></title>
     <link rel="stylesheet" href="<%= Routes.static_path(@conn, "/css/app.css") %>"/>
   </head>
   <body>
@@ -12,12 +12,20 @@
       <section class="container">
         <nav role="navigation">
           <ul>
-            <li><a href="https://hexdocs.pm/phoenix/overview.html">Get Started</a></li>
+            <li><a href="/"><%= instance_name() %></a></li>
+          </ul>
+          <ul>
+            <li>
+              <%= if @conn.assigns[:user] do %>
+                <%= form_for @conn, Routes.login_path(@conn, :logout), [method: :post], fn f -> %>
+                  <%= submit "Log Out", class: "btn-link" %>
+                <% end %>
+              <% else %>
+                <a href="<%= login_path(@conn) %>">Log In</a>
+              <% end %>
+            </li>
           </ul>
         </nav>
-        <a href="http://phoenixframework.org/" class="phx-logo">
-          <img src="<%= Routes.static_path(@conn, "/images/phoenix.png") %>" alt="Phoenix Framework Logo"/>
-        </a>
       </section>
     </header>
     <main role="main" class="container">
diff --git a/lib/clacks_web/views/layout_view.ex b/lib/clacks_web/views/layout_view.ex
index 305d5f1..8d8cebf 100644
--- a/lib/clacks_web/views/layout_view.ex
+++ b/lib/clacks_web/views/layout_view.ex
@@ -1,3 +1,21 @@
 defmodule ClacksWeb.LayoutView do
   use ClacksWeb, :view
+  alias ClacksWeb.Router.Helpers, as: Routes
+
+  def instance_name do
+    Application.get_env(:clacks, :instance, %{}) |> Keyword.get(:name)
+  end
+
+  def login_path(conn) do
+    params =
+      case Phoenix.Controller.current_path(conn) do
+        "/" ->
+          []
+
+        path ->
+          [continue: path]
+      end
+
+    Routes.login_path(conn, :login, params)
+  end
 end
