1 files changed, 46 insertions, 2 deletions
diff --git a/lib/api/project_export.rb b/lib/api/project_export.rb
index 4041e130f9e..e01c195dbc4 100644
--- a/lib/api/project_export.rb
+++ b/lib/api/project_export.rb
@@ -2,8 +2,6 @@
 
 module API
   class ProjectExport < ::API::Base
-    helpers Helpers::RateLimiter
-
     feature_category :importers
 
     before do
@@ -74,6 +72,52 @@ module API
 
         accepted!
       end
+
+      resource do
+        before do
+          not_found! unless ::Feature.enabled?(:bulk_import, default_enabled: :yaml)
+        end
+
+        desc 'Start relations export' do
+          detail 'This feature was introduced in GitLab 14.4'
+        end
+        post ':id/export_relations' do
+          response = ::BulkImports::ExportService.new(portable: user_project, user: current_user).execute
+
+          if response.success?
+            accepted!
+          else
+            render_api_error!(message: 'Project relations export could not be started.')
+          end
+        end
+
+        desc 'Download relations export' do
+          detail 'This feature was introduced in GitLab 14.4'
+        end
+        params do
+          requires :relation,
+                   type: String,
+                   project_portable: true,
+                   desc: 'Project relation name'
+        end
+        get ':id/export_relations/download' do
+          export = user_project.bulk_import_exports.find_by_relation(params[:relation])
+          file = export&.upload&.export_file
+
+          if file
+            present_carrierwave_file!(file)
+          else
+            render_api_error!('404 Not found', 404)
+          end
+        end
+
+        desc 'Relations export status' do
+          detail 'This feature was introduced in GitLab 14.4'
+        end
+        get ':id/export_relations/status' do
+          present user_project.bulk_import_exports, with: Entities::BulkImports::ExportStatus
+        end
+      end
     end
   end
 end