X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/a59152e34814f453a7380e68a55534e2f8922d57..8ca0b1449607ded51e908481cc4660c20f43a777:/apps/workbench/app/models/link.rb?ds=sidebyside

diff --git a/apps/workbench/app/models/link.rb b/apps/workbench/app/models/link.rb
index 9c86e3171f..920b4bdcc5 100644
--- a/apps/workbench/app/models/link.rb
+++ b/apps/workbench/app/models/link.rb
@@ -1,7 +1,29 @@
-class Link < OrvosBase
+# Copyright (C) The Arvados Authors. All rights reserved.
+#
+# SPDX-License-Identifier: AGPL-3.0
+
+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