X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/57d7ce9de300d1340ed12d61248e7cea6bd1be15..76eaaac9fed4e74b8073ee08f99b84fc7922ac9f:/services/api/lib/current_api_client.rb

diff --git a/services/api/lib/current_api_client.rb b/services/api/lib/current_api_client.rb
index 6d85212eb9..9f78587eab 100644
--- a/services/api/lib/current_api_client.rb
+++ b/services/api/lib/current_api_client.rb
@@ -98,20 +98,48 @@ module CurrentApiClient
     $system_group
   end
 
+  def all_users_group_uuid
+    [Server::Application.config.uuid_prefix,
+     Group.uuid_prefix,
+     'fffffffffffffff'].join('-')
+  end
+
+  def all_users_group
+    if not $all_users_group
+      act_as_system_user do
+        ActiveRecord::Base.transaction do
+          $all_users_group = Group.
+            where(uuid: all_users_group_uuid).first_or_create do |g|
+            g.update_attributes(name: "All users",
+                                description: "All users",
+                                group_class: "role")
+          end
+        end
+      end
+    end
+    $all_users_group
+  end
+
   def act_as_system_user
     if block_given?
-      user_was = Thread.current[:user]
-      Thread.current[:user] = system_user
-      begin
+      act_as_user system_user do
         yield
-      ensure
-        Thread.current[:user] = user_was
       end
     else
       Thread.current[:user] = system_user
     end
   end
 
+  def act_as_user user
+    user_was = Thread.current[:user]
+    Thread.current[:user] = user
+    begin
+      yield
+    ensure
+      Thread.current[:user] = user_was
+    end
+  end
+
   def anonymous_group
     if not $anonymous_group
       act_as_system_user do