X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/270a94c35d496daeabc39300611f727ce307f353..27697133a18371d692d69569659dd522e7b0fbdd:/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 76e9967077..c0e670dcef 100644
--- a/apps/workbench/app/models/arvados_base.rb
+++ b/apps/workbench/app/models/arvados_base.rb
@@ -56,7 +56,7 @@ class ArvadosBase < ActiveRecord::Base
   end
 
   def self.columns
-    return @columns unless @columns.nil?
+    return @columns if @columns.andand.any?
     @columns = []
     @attribute_info ||= {}
     schema = arvados_api_client.discovery[:schemas][self.to_s.to_sym]
@@ -111,6 +111,10 @@ 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
@@ -127,6 +131,10 @@ class ArvadosBase < ActiveRecord::Base
     ArvadosResourceList.new(self).limit(*args)
   end
 
+  def self.select(*args)
+    ArvadosResourceList.new(self).select(*args)
+  end
+
   def self.eager(*args)
     ArvadosResourceList.new(self).eager(*args)
   end
@@ -274,8 +282,9 @@ class ArvadosBase < ActiveRecord::Base
     uuid
   end
 
-  def dup
-    super.forget_uuid!
+  def initialize_copy orig
+    super
+    forget_uuid!
   end
 
   def attributes_for_display
@@ -287,14 +296,18 @@ class ArvadosBase < ActiveRecord::Base
   end
 
   def class_for_display
-    self.class.to_s
+    self.class.to_s.underscore.humanize
+  end
+
+  def self.class_for_display
+    self.to_s.underscore.humanize
   end
 
   def self.creatable?
     current_user
   end
 
-  def self.goes_in_folders?
+  def self.goes_in_projects?
     false
   end
 
@@ -306,13 +319,15 @@ class ArvadosBase < ActiveRecord::Base
       (writable_by.include? current_user.uuid rescue false)))
   end
 
-  def attribute_editable?(attr)
-    if "created_at modified_at modified_by_user_uuid modified_by_client_uuid updated_at".index(attr.to_s)
+  def attribute_editable?(attr, ever=nil)
+    if %w(created_at modified_at modified_by_user_uuid modified_by_client_uuid updated_at).include? 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
@@ -347,8 +362,12 @@ 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
@@ -359,6 +378,27 @@ 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