X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/facb17a2885e6b6d3e998e15862a3c6e970e8cf1..5debe2b77df18d381d7d59976e76f4ea6c9d5ce0:/services/api/app/models/group.rb

diff --git a/services/api/app/models/group.rb b/services/api/app/models/group.rb
index d380244131..6105b5f35d 100644
--- a/services/api/app/models/group.rb
+++ b/services/api/app/models/group.rb
@@ -7,6 +7,7 @@ class Group < ArvadosModel
   include CanBeAnOwner
   after_create :invalidate_permissions_cache
   after_update :maybe_invalidate_permissions_cache
+  before_create :assign_name
 
   api_accessible :user, extend: :common do |t|
     t.add :name
@@ -26,6 +27,14 @@ class Group < ArvadosModel
   def invalidate_permissions_cache
     # Ensure a new group can be accessed by the appropriate users
     # immediately after being created.
-    User.invalidate_permissions_cache
+    User.invalidate_permissions_cache db_current_time.to_i
   end
+
+  def assign_name
+    if self.new_record? and (self.name.nil? or self.name.empty?)
+      self.name = self.uuid
+    end
+    true
+  end
+
 end