1 files changed, 26 insertions, 0 deletions
diff --git a/app/graphql/resolvers/user_discussions_count_resolver.rb b/app/graphql/resolvers/user_discussions_count_resolver.rb
new file mode 100644
index 00000000000..115997ec666
--- /dev/null
+++ b/app/graphql/resolvers/user_discussions_count_resolver.rb
@@ -0,0 +1,26 @@
+# frozen_string_literal: true
+
+module Resolvers
+  class UserDiscussionsCountResolver < BaseResolver
+    include Gitlab::Graphql::Authorize::AuthorizeResource
+
+    type GraphQL::INT_TYPE, null: true
+
+    def resolve
+      authorize!(object)
+
+      BatchLoader::GraphQL.for(object.id).batch do |ids, loader, args|
+        counts = Note.count_for_collection(ids, object.class.name, 'COUNT(DISTINCT discussion_id) as count').index_by(&:noteable_id)
+
+        ids.each do |id|
+          loader.call(id, counts[id]&.count || 0)
+        end
+      end
+    end
+
+    def authorized_resource?(object)
+      ability = "read_#{object.class.name.underscore}".to_sym
+      context[:current_user].present? && Ability.allowed?(context[:current_user], ability, object)
+    end
+  end
+end