X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/889d94070d54e47ddb44afcfe457cbaed2e6a2e3..a3615da860d1d78d0ecb7e2890eea26963b5c01e:/apps/workbench/app/models/arvados_base.rb

diff --git a/apps/workbench/app/models/arvados_base.rb b/apps/workbench/app/models/arvados_base.rb
index 1dac43fa61..083db9133b 100644
--- a/apps/workbench/app/models/arvados_base.rb
+++ b/apps/workbench/app/models/arvados_base.rb
@@ -167,7 +167,9 @@ class ArvadosBase < ActiveRecord::Base
   def save
     obdata = {}
     self.class.columns.each do |col|
-      obdata[col.name.to_sym] = self.send(col.name.to_sym)
+      unless self.send(col.name.to_sym).nil? and !self.changed.include?(col.name)
+          obdata[col.name.to_sym] = self.send(col.name.to_sym)
+      end
     end
     obdata.delete :id
     postdata = { self.class.to_s.underscore => obdata }
@@ -303,6 +305,11 @@ class ArvadosBase < ActiveRecord::Base
     self.to_s.underscore.humanize
   end
 
+  # Array of strings that are names of attributes that should be rendered as textile.
+  def textile_attributes
+    []
+  end
+
   def self.creatable?
     current_user
   end
@@ -320,7 +327,7 @@ class ArvadosBase < ActiveRecord::Base
   end
 
   def attribute_editable?(attr, ever=nil)
-    if "created_at modified_at modified_by_user_uuid modified_by_client_uuid updated_at".index(attr.to_s)
+    if %w(created_at modified_at modified_by_user_uuid modified_by_client_uuid updated_at).include? attr.to_s
       false
     elsif not (current_user.andand.is_active)
       false