quick tagging fix

lib/noah/linkable.rb

@@ -7,7 +7,7 @@ module Noah::Linkable
   def link!(link_name)
     link = Noah::Link.find_or_create(:path => link_name)
     link.nodes = self
-    self.links << link
+    links << link
   end
 
   def unlink!(link_name)

lib/noah/models/link.rb

@@ -19,9 +19,11 @@ module Noah
       when "Array"
         node.each do |n|
           self.key[:nodes].sadd(n.key)
+          n.links << self
         end
       else
         self.key[:nodes].sadd(node.key)
+        n.links << self
       end
     end
 

lib/noah/models/tags.rb

 module Noah
   class Tag < Model
     attribute :name
+    attribute :members
     index :name
 
     def validate
@@ -9,10 +10,25 @@ module Noah
       assert_unique :name
     end
 
-    def tagged(tag)
-      # TODO:
-      #logic to find all models with a given tag
-      #will need hooks added to taggable module
+    def members=(member)
+      self.key[:members].sadd(member.key)
+    end
+
+    def members
+      hsh = Hash.new
+      self.key[:members].smembers.each do |member|
+        n = node_to_class(member)
+        cls = class_to_lower(n.class.to_s)
+        hash_key = "#{cls}s".to_sym
+        hsh[hash_key] = Array.new unless hsh.has_key?(hash_key)
+        hsh[hash_key] << n.name
+      end
+      hsh
+    end
+
+    def self.tagged(tag)
+      t = find(:name => tag).first
+      t.members
     end
 
     class <<self
@@ -28,6 +44,12 @@ module Noah
       end
     end
     end
+
+    private
+    def node_to_class(node)
+      node.match(/^Noah::(.*):(\d+)$/)
+      Noah.const_get($1).send(:[], $2)
+    end
   end
 
 end

lib/noah/taggable.rb

@@ -8,10 +8,14 @@ module Noah::Taggable
     case tag_name.class.to_s
     when "Array"
       tag_name.each do |t|
-        tags << ::Noah::Tag.find_or_create(:name => t)
+        my_tag = ::Noah::Tag.find_or_create(:name => t)
+        tags << my_tag
+        my_tag.members = self
       end
     else
-      tags << Noah::Tag.find_or_create(:name => tag_name)
+      my_tag = ::Noah::Tag.find_or_create(:name => tag_name)
+      tags << my_tag
+      my_tag.members = self
     end
   end