join page tweaks

app/controllers/rooms_controller.rb

@@ -74,12 +74,8 @@ class RoomsController < ApplicationController
 
   # GET /r/:room_uid/logout
   def logout
-    # Redirect the owner to their room.
-    if current_user
-      redirect_to current_user.main_room
-    else
-      redirect_to root_path
-    end
+    # Redirect the correct page.
+    redirect_to @room
   end
 
   # POST /r/:room_uid/home
@@ -127,12 +123,7 @@ class RoomsController < ApplicationController
 
   # Find the room from the uid.
   def find_room
-    @room = Room.find_by(uid: params[:room_uid])
-
-    if @room.nil?
-      # Handle room doesn't exist.
-
-    end
+    @room = Room.find_by!(uid: params[:room_uid])
   end
 
   # Ensure the user is logged into the room they are accessing.

app/views/rooms/join.html.erb

@@ -1,14 +1,10 @@
 <%= render 'shared/room_event' do %>
   <%= form_for room_path, method: :post do |f| %>
-    <div class="input-group" style="height: 60px;">
-    <% if current_user %>
-      <%= f.submit "Join", class: "btn btn-primary px-7 main-large join-button"%>
-    <% else %>
-        <%= f.text_field :join_name, class: "form-control main-large", placeholder: "Enter your name!" %>
-        <span class="input-group-append">
-          <%= f.submit "Join", class: "btn btn-primary px-7 main-large" %>
-        </span>
-    <% end %>
+    <div class="input-group" style="height: 48px;">
+      <%= f.text_field :join_name, class: "form-control main-large", placeholder: "Enter your name!", value: "#{current_user ? current_user.name : ''}" %>
+      <span class="input-group-append">
+        <%= f.submit "Join", class: "btn btn-primary px-7 main-large" %>
+      </span>
     </div>
   <% end %>
 <% end %>