Added attachment methods to CocuhRest::Document: #put_attachment, #fetch_attachment and #delete_attachment. Note you can overwrite exisitng attachments with #put_attachment.

lib/couchrest/core/document.rb

@@ -74,7 +74,28 @@ module CouchRest
       result = database.move(self, dest)
       result['ok']
     end
-
+    
+    # saves an attachment directly to couchdb
+    def put_attachment(name, file, options={})
+      raise ArgumentError, "doc.database required to put_attachment" unless database
+      result = database.put_attachment(self, name, file, options)
+      self['_rev'] = result['rev']
+      result['ok']
+    end
+    
+    # returns an attachment's data
+    def fetch_attachment(name)
+      raise ArgumentError, "doc.database required to put_attachment" unless database
+      database.fetch_attachment(self, name)
+    end
+    
+    # deletes an attachment directly from couchdb
+    def delete_attachment(name)
+      raise ArgumentError, "doc.database required to delete_attachment" unless database
+      result = database.delete_attachment(self, name)
+      self['_rev'] = result['rev']
+      result['ok']
+    end
   end