X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/a59152e34814f453a7380e68a55534e2f8922d57..b046d1f162990361418a8e926aead5b307402a42:/apps/workbench/app/models/link.rb

diff --git a/apps/workbench/app/models/link.rb b/apps/workbench/app/models/link.rb
index 9c86e3171f..b1bbcff126 100644
--- a/apps/workbench/app/models/link.rb
+++ b/apps/workbench/app/models/link.rb
@@ -1,7 +1,25 @@
-class Link < OrvosBase
+class Link < ArvadosBase
   attr_accessor :head
   attr_accessor :tail
   def self.by_tail(t, opts={})
-    where(opts.merge :tail_kind => t.kind, :tail_uuid => t.uuid)
+    where(opts.merge :tail_uuid => t.uuid)
+  end
+
+  def default_name
+    self.class.resource_class_for_uuid(head_uuid).default_name rescue super
+  end
+
+  def self.permissions_for(thing)
+    if thing.respond_to? :uuid
+      uuid = thing.uuid
+    else
+      uuid = thing
+    end
+    result = arvados_api_client.api("permissions", "/#{uuid}")
+    arvados_api_client.unpack_api_response(result)
+  end
+
+  def self.creatable?
+    false
   end
 end