4.15 added better login checking

app/controllers/application_controller.rb

@@ -5,4 +5,8 @@ class ApplicationController < ActionController::Base
 
     User.find_by_id session[:user_id]
   end
+
+  def ensure_that_signed_in
+    redirect_to signin_path, notice: 'you should be signed in' if current_user.nil?
+  end
 end

app/controllers/beerclubs_controller.rb

@@ -1,5 +1,6 @@
 class BeerclubsController < ApplicationController
   before_action :set_beerclub, only: %i[show edit update destroy]
+  before_action :ensure_that_signed_in, except: [:index, :show]
 
   # GET /beerclubs or /beerclubs.json
   def index

app/controllers/beers_controller.rb

@@ -1,6 +1,7 @@
 class BeersController < ApplicationController
   before_action :set_beer, only: %i[show edit update destroy]
   before_action :set_breweries_and_styles_for_template, only: [:new, :edit, :create]
+  before_action :ensure_that_signed_in, except: [:index, :show]
 
   # GET /beers or /beers.json
   def index

app/controllers/breweries_controller.rb

@@ -1,6 +1,6 @@
 class BreweriesController < ApplicationController
   before_action :set_brewery, only: %i[show edit update destroy]
-  before_action :authenticate, only: [:destroy]
+  before_action :ensure_that_signed_in, except: [:index, :show]
 
   # GET /breweries or /breweries.json
   def index

app/views/beerclubs/index.html.erb

@@ -11,4 +11,4 @@
   <% end %>
 </div>
 
-<%= link_to "New beerclub", new_beerclub_path %>
+<%= link_to "New beerclub", new_beerclub_path if current_user %>

app/views/beerclubs/show.html.erb

@@ -3,8 +3,8 @@
 <%= render @beerclub %>
 
 <div>
-  <%= link_to "Edit this beerclub", edit_beerclub_path(@beerclub) %> |
+  <%= link_to "Edit this beerclub", edit_beerclub_path(@beerclub) if current_user %> |
   <%= link_to "Back to beerclubs", beerclubs_path %>
 
-  <%= button_to "Destroy this beerclub", @beerclub, method: :delete %>
+  <%= button_to "Destroy this beerclub", @beerclub, method: :delete if current_user %>
 </div>

app/views/beers/index.html.erb

@@ -9,5 +9,5 @@
 </div>
 
 <p>
-  <%= link_to "New beer", new_beer_path %>
+  <%= link_to "New beer", new_beer_path if current_user %>
 </p>

app/views/breweries/index.html.erb

@@ -9,5 +9,5 @@
 </div>
 
 <p>
-  <%= link_to "New brewery", new_brewery_path %>
+  <%= link_to "New brewery", new_brewery_path if current_user %>
 </p>

app/views/breweries/show.html.erb

@@ -3,8 +3,8 @@
 <%= render @brewery %>
 
 <div>
-  <%= link_to "Edit this brewery", edit_brewery_path(@brewery) %> |
+  <%= link_to "Edit this brewery", edit_brewery_path(@brewery) if current_user %> |
   <%= link_to "Back to breweries", breweries_path %>
 
-  <%= button_to "Destroy this brewery", @brewery, method: :delete %>
+  <%= button_to "Destroy this brewery", @brewery, method: :delete if current_user%>
 </div>