Added tags to homepage

app/decorators/recipe_decorator.rb

@@ -10,6 +10,13 @@ class RecipeDecorator < BaseDecorator
     end
   end
 
+  def tag_names
+    tags = wrapped.tag_names
+    tags.map do |t|
+      h.content_tag('span', t, class: 'label label-default')
+    end.join('&nbsp;').html_safe
+  end
+
   def source_markup
     uri = begin
             URI.parse(self.source)

app/models/recipe_ingredient.rb

@@ -67,6 +67,7 @@ class RecipeIngredient < ApplicationRecord
   end
 
   def to_mass
+    if ingredient
       value_unit = as_value_unit
       density = self.ingredient.density? ? UnitConversion.parse(ingredient.density) : nil
 
@@ -81,6 +82,7 @@ class RecipeIngredient < ApplicationRecord
           self.units = value_unit.unit.to_s
       end
     end
+  end
 
   def custom_unit?
     self.ingredient && self.ingredient.custom_unit_weight(self.units).present?

app/views/recipes/index.html.erb

@@ -18,6 +18,7 @@
           <thead>
             <tr>
               <th><%= index_sort_header('Name', :name, @criteria) %></th>
+              <th>Tags</th>
               <th><%= index_sort_header('Rating', :rating, @criteria) %></th>
               <th>Yields</th>
               <th><%= index_sort_header('Time', :total_time, @criteria) %></th>
@@ -32,6 +33,7 @@
             <% decorate(@recipes, RecipeDecorator).each do |recipe| %>
               <tr>
                 <td><%= link_to recipe.short_name, recipe %></td>
+                <td><%= recipe.tag_names %></td>
                 <td>
                   <% if recipe.rating %>
                     <%= text_field_tag('rating', recipe.rating, disabled: true, data: {rating: true, size: '20px', interval: '0.25'}) %>

app/views/recipes/show.html.erb

@@ -9,6 +9,8 @@
           <% if @scale %>
             <span class="label label-default"><%= @scale %> X</span>
           <% end %>
+          <br/>
+          <small><%= @recipe.tag_names %></small>
         </h1>
       </div>
       <p class="lead">