X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/b80867f0ae046c907cbd208facf7f98bee5a4f85..70ac6969e76770bcc6becfe94aa5811a0f320fcb:/apps/workbench/app/models/arvados_base.rb

diff --git a/apps/workbench/app/models/arvados_base.rb b/apps/workbench/app/models/arvados_base.rb
index 2c2963ca59..e8b4cafd6a 100644
--- a/apps/workbench/app/models/arvados_base.rb
+++ b/apps/workbench/app/models/arvados_base.rb
@@ -109,6 +109,10 @@ class ArvadosBase < ActiveRecord::Base
     new.private_reload(hash)
   end
 
+  def self.find?(*args)
+    find(*args) rescue nil
+  end
+
   def self.order(*args)
     ArvadosResourceList.new(self).order(*args)
   end
@@ -282,7 +286,7 @@ class ArvadosBase < ActiveRecord::Base
   end
 
   def class_for_display
-    self.class.to_s
+    self.class.to_s.underscore.humanize
   end
 
   def self.creatable?
@@ -301,13 +305,15 @@ class ArvadosBase < ActiveRecord::Base
       (writable_by.include? current_user.uuid rescue false)))
   end
 
-  def attribute_editable?(attr)
+  def attribute_editable?(attr, ever=nil)
     if "created_at modified_at modified_by_user_uuid modified_by_client_uuid updated_at".index(attr.to_s)
       false
     elsif not (current_user.andand.is_active)
       false
     elsif attr == 'uuid'
       current_user.is_admin
+    elsif ever
+      true
     else
       editable?
     end
@@ -342,8 +348,12 @@ class ArvadosBase < ActiveRecord::Base
     resource_class
   end
 
+  def resource_param_name
+    self.class.to_s.underscore
+  end
+
   def friendly_link_name
-    (name if self.respond_to? :name) || uuid
+    (name if self.respond_to? :name) || default_name
   end
 
   def content_summary
@@ -354,6 +364,27 @@ class ArvadosBase < ActiveRecord::Base
     friendly_link_name
   end
 
+  def self.default_name
+    self.to_s.underscore.humanize
+  end
+
+  def controller
+    (self.class.to_s.pluralize + 'Controller').constantize
+  end
+
+  def controller_name
+    self.class.to_s.tableize
+  end
+
+  # Placeholder for name when name is missing or empty
+  def default_name
+    if self.respond_to? :name
+      "New #{class_for_display.downcase}"
+    else
+      uuid
+    end
+  end
+
   def owner
     ArvadosBase.find(owner_uuid) rescue nil
   end