3527: Support using a Docker image from any stream in a Collection.

[arvados.git] / 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 c5581502cf3b9e5eaa66f74271ed72c8998604ea..7bd475278ce7d320e643cd2e78e9636f54511995 100644 (file)
--- a/services/api/lib/current_api_client.rb
+++ b/services/api/lib/current_api_client.rb
@@ -140,22 +140,42 @@ module CurrentApiClient
                                      last_name: 'anonymouspublic')
           $anonymous_user.save!
           $anonymous_user.reload
+        end
 
-          group_perms = Link.where(tail_uuid: anonymous_user_uuid,
-                                   head_uuid: anonymous_group_uuid,
-                                   link_class: 'permission',
-                                   name: 'can_read')
+        group_perms = Link.where(tail_uuid: anonymous_user_uuid,
+                                 head_uuid: anonymous_group_uuid,
+                                 link_class: 'permission',
+                                 name: 'can_read')
 
-          if !group_perms.any?
-            group_perm = Link.create(tail_uuid: anonymous_user_uuid,
-                                   head_uuid: anonymous_group_uuid,
-                                   link_class: 'permission',
-                                   name: 'can_read')
-          end
+        if !group_perms.any?
+          group_perm = Link.create!(tail_uuid: anonymous_user_uuid,
+                                    head_uuid: anonymous_group_uuid,
+                                    link_class: 'permission',
+                                    name: 'can_read')
         end
       end
     end
     $anonymous_user
   end
 
+  def empty_collection_uuid
+    'd41d8cd98f00b204e9800998ecf8427e+0'
+  end
+
+  def empty_collection
+    if not $empty_collection
+      act_as_system_user do
+        ActiveRecord::Base.transaction do
+          $empty_collection = Collection.
+            where(uuid: empty_collection_uuid).
+            first_or_create!(manifest_text: '')
+          Link.where(tail_uuid: anonymous_group.uuid,
+                     head_uuid: empty_collection_uuid,
+                     link_class: 'permission',
+                     name: 'can_read').first_or_create!
+        end
+      end
+    end
+    $empty_collection
+  end
 end