Add Namespace and ProjectStatistics to GraphQL API

We can query namespaces, and nested projects.

Projects now exposes statistics

1 files changed, 23 insertions, 0 deletions

diff --git a/lib/gitlab/graphql/loaders/batch_project_statistics_loader.rb b/lib/gitlab/graphql/loaders/batch_project_statistics_loader.rb
new file mode 100644
index 00000000000..5e151f4dbd7
--- /dev/null
+++ b/lib/gitlab/graphql/loaders/batch_project_statistics_loader.rb
@@ -0,0 +1,23 @@
+# frozen_string_literal: true
+
+module Gitlab
+  module Graphql
+    module Loaders
+      class BatchProjectStatisticsLoader
+        attr_reader :project_id
+
+        def initialize(project_id)
+          @project_id = project_id
+        end
+
+        def find
+          BatchLoader.for(project_id).batch do |project_ids, loader|
+            ProjectStatistics.for_project_ids(project_ids).each do |statistics|
+              loader.call(statistics.project_id, statistics)
+            end
+          end
+        end
+      end
+    end
+  end
+end