add favgroup excerpt

app/logical/post_sets/post.rb

@@ -55,6 +55,18 @@ module PostSets
       ::Pool.find_by_name(pool_name)
     end
 
+    def favgroup_name
+      tag_string.match(/^favgroup:(\S+)$/i).try(:[], 1)
+    end
+
+    def has_favgroup?
+      is_single_tag? && favgroup_name && favgroup
+    end
+
+    def favgroup
+      ::FavoriteGroup.find_by_name(favgroup_name)
+    end
+
     def has_deleted?
       tag_string !~ /status/ && ::Post.tag_match("#{tag_string} status:deleted").exists?
     end

app/models/favorite_group.rb

@@ -84,8 +84,22 @@ class FavoriteGroup < ActiveRecord::Base
     self.post_ids = post_ids.scan(/\d+/).uniq.join(" ")
   end
 
+  def self.normalize_name(name)
+    name.gsub(/\s+/, "_")
+  end
+
   def normalize_name
-    self.name = name.gsub(/\s+/, "_")
+    self.name = FavoriteGroup.normalize_name(name)
+  end
+
+  def self.find_by_name(name)
+    if name =~ /^\d+$/
+      where("id = ?", name.to_i).first
+    elsif name
+      where("lower(name) = ?", normalize_name(name).mb_chars.downcase).first
+    else
+      nil
+    end
   end
 
   def initialize_creator

app/views/posts/index.html.erb

@@ -25,6 +25,8 @@
           <li><%= link_to "Wiki", wiki_page_path(@post_set.wiki_page), :id => "show-excerpt-link" %></li>
         <% elsif @post_set.has_pool? %>
           <li><%= link_to "Pool", pool_path(@post_set.pool), :id => "show-excerpt-link" %></li>
+        <% elsif @post_set.has_favgroup? %>
+          <li><%= link_to "Favorite Group", favorite_group_path(@post_set.favgroup), :id => "show-excerpt-link" %></li>
         <% end %>
       </menu>
 

app/views/posts/partials/index/_excerpt.html.erb

@@ -69,6 +69,12 @@
     </div>
 
     <p><%= link_to "View pool", pool_path(post_set.pool.id) %></p>
+  <% elsif post_set.has_favgroup? %>
+    <h4>
+      Favorite Group:
+      <%= link_to post_set.favgroup.pretty_name, favorite_group_path(post_set.favgroup) %>
+    </h4>
+    Creator: <%= link_to_user post_set.favgroup.creator %>
   <% else %>
     <% if post_set.tag_string.present? %>
       <p>There is currently no wiki page for the tag "<%= post_set.tag_string %>". You can <%= link_to "create one", new_wiki_page_path(:wiki_page => {:title => post_set.tag_string}) %>.</p>