Add badges to locked domains

app/controllers/api/v1/registrant/registry_locks_controller.rb

@@ -0,0 +1,37 @@
+module Api
+  module V1
+    module Registrant
+      class RegistryLocksController < BaseController
+        before_action :set_domain
+
+        def create
+          if @domain.apply_registry_lock
+            render json: @domain
+          else
+            render json: { errors: [{ base: 'Domain cannot be locked' }] },
+                   status: :unprocessable_entity
+          end
+        end
+
+        def delete
+          if @domain.remove_registry_lock
+            render json: @domain
+          else
+            render json: { errors: [{ base: 'Domain cannot be unlocked' }] },
+                   status: :unprocessable_entity
+          end
+        end
+
+        private
+
+        def set_domain
+          @domain = Domain.find_by(uuid: params[:domain_uuid])
+
+          return if @domain
+          render json: { errors: [{ base: ['Domain not found'] }] },
+                 status: :not_found and return
+        end
+      end
+    end
+  end
+end