X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/cec09589e50ced6d0b7a0d90d5ca124241d4a58a..27697133a18371d692d69569659dd522e7b0fbdd:/apps/workbench/app/models/collection.rb

diff --git a/apps/workbench/app/models/collection.rb b/apps/workbench/app/models/collection.rb
index 008d108fd4..1f3e0dc5ac 100644
--- a/apps/workbench/app/models/collection.rb
+++ b/apps/workbench/app/models/collection.rb
@@ -1,6 +1,14 @@
 class Collection < ArvadosBase
   MD5_EMPTY = 'd41d8cd98f00b204e9800998ecf8427e'
 
+  def default_name
+    if Collection.is_empty_blob_locator? self.uuid
+      "Empty Collection"
+    else
+      super
+    end
+  end
+
   # Return true if the given string is the locator of a zero-length blob
   def self.is_empty_blob_locator? locator
     !!locator.to_s.match("^#{MD5_EMPTY}(\\+.*)?\$")
@@ -49,7 +57,11 @@ class Collection < ArvadosBase
   end
 
   def attribute_editable? attr, *args
-    false
+    if %w(name description manifest_text).include? attr.to_s
+      true
+    else
+      super
+    end
   end
 
   def self.creatable?
@@ -64,4 +76,28 @@ class Collection < ArvadosBase
     arvados_api_client.api "collections/#{self.uuid}/", "used_by"
   end
 
+  def uuid
+    if self[:uuid].nil?
+      return self.portable_data_hash
+    else
+      super
+    end
+  end
+
+  def portable_data_hash
+    if self[:portable_data_hash].nil?
+      return self.uuid
+    else
+      super
+    end
+  end
+
+  def friendly_link_name
+    if self.respond_to? :name
+      self.name
+    else
+      self.portable_data_hash
+    end
+  end
+
 end