X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/31d298b5a3550b02d0f67c6e6110821cd078fbb2..e40fdedbc285a0fa6af16e41b5b4f72e46e9987d:/apps/workbench/app/models/collection.rb

diff --git a/apps/workbench/app/models/collection.rb b/apps/workbench/app/models/collection.rb
index 94a2b95916..6bc55bde3d 100644
--- a/apps/workbench/app/models/collection.rb
+++ b/apps/workbench/app/models/collection.rb
@@ -1,4 +1,5 @@
 class Collection < ArvadosBase
+
   def total_bytes
     if files
       tot = 0
@@ -13,7 +14,16 @@ class Collection < ArvadosBase
     false
   end
 
+  def self.creatable?
+    false
+  end
+
   def provenance
     $arvados_api_client.api "collections/#{self.uuid}/", "provenance"
   end
+
+  def used_by
+    $arvados_api_client.api "collections/#{self.uuid}/", "used_by"
+  end
+
 end