using flash to display empty model set

git-svn-id: http://svn.barleysodas.com/barleysodas/trunk@100 0f7b21a7-9e3a-4941-bbeb-ce5c7c368fa7

app/controllers/beers_controller.rb

@@ -9,6 +9,9 @@ class BeersController < ApplicationController
     @secondary_title = 'Browsing all beers'
     @pages, @beers = paginate :beers, :include => 'page', :per_page => per_page,
       :order => 'beers.title ASC'
+    if @beers.empty?
+      flash.now[:notice] = 'There are no beers yet.'
+    end
     @tags = Page.tags(:limit => 25, :order => "name DESC",
       :owner_type => 'Beer')
     respond_to do |format|

app/controllers/breweries_controller.rb

@@ -9,10 +9,11 @@ class BreweriesController < ApplicationController
     @secondary_title = 'Browsing all breweries'
     @pages, @breweries = paginate :breweries, :include => 'page',
       :order => 'breweries.title ASC', :per_page => per_page
-    
+    if @breweries.empty?
+      flash.now[:notice] = 'There are no breweries yet.'
+    end
     @tags = Page.tags(:limit => 25, :order => "name DESC",
       :owner_type => 'Beer')
-    
     respond_to do |format|
       format.html # index.rhtml
       format.xml  { render :xml => @breweries.to_xml }

app/views/beers/index.rhtml

@@ -1,9 +1,5 @@
 <ul>
-<% unless @beers.empty? -%>
-<% for beer in @beers %><li><%= link_to beer.title, beer_path(beer.page.title_for_url) %></li><% end -%>
-<% else -%>
-<li>No beers, yet</li>
-<% end -%>
+<% for beer in @beers %><li><%= link_to beer.title, beer_path(beer.page.title_for_url) %></li><% end %>
 </ul>
 
 <%= render :partial => 'shared/pagination_links' %>

app/views/breweries/index.rhtml

@@ -1,9 +1,5 @@
 <ul>
-<% unless @breweries.empty? -%>
 <% for brewery in @breweries %><li><%= show_brewery_link(brewery) -%></li><% end -%>
-<% else -%>
-<li>No breweries, yet.</li>
-<% end -%>
 </ul>
 
 <%= render :partial => 'shared/pagination_links' %>

app/views/peoples/index.rhtml

@@ -1,9 +1,5 @@
 <ul>
-<% unless @peoples.empty? -%>
 <% for people in @peoples -%><li><%= show_people_link(people) -%></li><% end %>
-<% else -%>
-<li>No people, yet!</li>
-<% end -%>
 </ul>
 
 <%= render :partial => 'shared/pagination_links' %>

app/views/roles/index.rhtml

@@ -1,11 +1,5 @@
 <ul>
-<% unless @roles.empty? -%>
-<% for role in @roles %>
-  <li><%= show_role_link(role) -%></li>
-<% end %>
-<% else -%>
-<li>No roles, yet.</li>
-<% end -%>
+<% for role in @roles -%><li><%= show_role_link(role) -%></li><% end %>
 </ul>
 
 <% content_for :sidebar do -%>