1 files changed, 29 insertions, 0 deletions
diff --git a/app/finders/concerns/packages/finder_helper.rb b/app/finders/concerns/packages/finder_helper.rb
new file mode 100644
index 00000000000..524e7aa7ff9
--- /dev/null
+++ b/app/finders/concerns/packages/finder_helper.rb
@@ -0,0 +1,29 @@
+# frozen_string_literal: true
+
+module Packages
+  module FinderHelper
+    extend ActiveSupport::Concern
+
+    private
+
+    def packages_visible_to_user(user, within_group:)
+      return ::Packages::Package.none unless within_group
+      return ::Packages::Package.none unless Ability.allowed?(user, :read_package, within_group)
+
+      projects = projects_visible_to_reporters(user, within_group.self_and_descendants.select(:id))
+      ::Packages::Package.for_projects(projects.select(:id))
+    end
+
+    def projects_visible_to_user(user, within_group:)
+      return ::Project.none unless within_group
+      return ::Project.none unless Ability.allowed?(user, :read_package, within_group)
+
+      projects_visible_to_reporters(user, within_group.self_and_descendants.select(:id))
+    end
+
+    def projects_visible_to_reporters(user, namespace_ids)
+      ::Project.in_namespace(namespace_ids)
+               .public_or_visible_to_user(user, ::Gitlab::Access::REPORTER)
+    end
+  end
+end