preliminary untag work

lib/noah/models/tags.rb

@@ -6,6 +6,15 @@ module Noah
     index :members
     index :name
 
+    def delete
+      self.members.each_value do |member_array|
+        member_array.each do |member|
+          member.tags.key.srem "#{self.id}"
+        end
+      end
+      super
+    end
+
     def validate
       super
       assert_present :name
@@ -29,6 +38,15 @@ module Noah
       hsh
     end
 
+    def delete_member(node)
+      nc = class_to_lower(node.class.to_s)+"s"
+      if self.members[nc.to_sym].member?(node)
+        Ohm.redis.srem("#{self.key}:members", "#{node.key}")
+        node.untag!(self.name) unless node.tags.member?(self) == false
+      end
+      self.save
+    end
+
     def to_hash
       h = {:name => name, :created_at => created_at, :updated_at => updated_at}
       h.merge!(members_to_hash)

lib/noah/taggable.rb

@@ -17,9 +17,27 @@ module Noah::Taggable
       tags << my_tag
       my_tag.members = self
     end
+    self.save
   end
 
   def untag!(tag_name)
+    case tag_name.class.to_s
+    when "Array"
+      tag_name.each do |t|
+        my_tag = ::Noah::Tag.find(:name => t).first
+        if self.tags.member?(my_tag)
+          self.tags.key.srem "#{my_tag.id}"
+          my_tag.delete_member(self)
+        end
+      end
+    else
+      my_tag = ::Noah::Tag.find(:name => tag_name).first
+      if self.tags.member?(my_tag)
+        self.tags.key.srem "#{my_tag.id}"
+        my_tag.delete_member(self)
+      end
+    end
+    self.save
   end
 
   def to_hash