Adds ordering to projects contributors in API

Allows ordering in GET api/v4/projects/:project_id/repository/contributors
through `order_by` and `sort` params.
The available `order_by` options are: name|email|commits.
The available `sort` options are: asc|desc.

1 files changed, 3 insertions, 1 deletions

diff --git a/lib/api/repositories.rb b/lib/api/repositories.rb
index 7887b886c03..4f36bbd760f 100644
--- a/lib/api/repositories.rb
+++ b/lib/api/repositories.rb
@@ -110,10 +110,12 @@ module API
       end
       params do
         use :pagination
+        optional :order_by, type: String, values: %w[email name commits], default: nil, desc: 'Return contributors ordered by `name` or `email` or `commits`'
+        optional :sort, type: String, values: %w[asc desc], default: nil, desc: 'Sort by asc (ascending) or desc (descending)'
       end
       get ':id/repository/contributors' do
         begin
-          contributors = ::Kaminari.paginate_array(user_project.repository.contributors)
+          contributors = ::Kaminari.paginate_array(user_project.repository.contributors(order_by: params[:order_by], sort: params[:sort]))
           present paginate(contributors), with: Entities::Contributor
         rescue
           not_found!