Backport issue board milestone lists EE changes

3 files changed, 19 insertions, 9 deletions

diff --git a/lib/api/boards.rb b/lib/api/boards.rb
index 086d39d5070..0f89414148b 100644
--- a/lib/api/boards.rb
+++ b/lib/api/boards.rb
@@ -71,12 +71,10 @@ module API
           success Entities::List
         end
         params do
-          requires :label_id, type: Integer, desc: 'The ID of an existing label'
+          use :list_creation_params
         end
         post '/lists' do
-          unless available_labels_for(user_project).exists?(params[:label_id])
-            render_api_error!({ error: 'Label not found!' }, 400)
-          end
+          authorize_list_type_resource!
 
           authorize!(:admin_list, user_project)
 
diff --git a/lib/api/boards_responses.rb b/lib/api/boards_responses.rb
index ead0943a74d..7e873012efe 100644
--- a/lib/api/boards_responses.rb
+++ b/lib/api/boards_responses.rb
@@ -14,7 +14,7 @@ module API
 
         def create_list
           create_list_service =
-            ::Boards::Lists::CreateService.new(board_parent, current_user, { label_id: params[:label_id] })
+            ::Boards::Lists::CreateService.new(board_parent, current_user, create_list_params)
 
           list = create_list_service.execute(board)
 
@@ -25,6 +25,10 @@ module API
           end
         end
 
+        def create_list_params
+          params.slice(:label_id)
+        end
+
         def move_list(list)
           move_list_service =
             ::Boards::Lists::MoveService.new(board_parent, current_user, { position: params[:position].to_i })
@@ -44,6 +48,16 @@ module API
             end
           end
         end
+
+        def authorize_list_type_resource!
+          unless available_labels_for(board_parent).exists?(params[:label_id])
+            render_api_error!({ error: 'Label not found!' }, 400)
+          end
+        end
+
+        params :list_creation_params do
+          requires :label_id, type: Integer, desc: 'The ID of an existing label'
+        end
       end
     end
   end
diff --git a/lib/api/group_boards.rb b/lib/api/group_boards.rb
index aa9fff25fc8..3832cdc10a8 100644
--- a/lib/api/group_boards.rb
+++ b/lib/api/group_boards.rb
@@ -70,12 +70,10 @@ module API
           success Entities::List
         end
         params do
-          requires :label_id, type: Integer, desc: 'The ID of an existing label'
+          use :list_creation_params
         end
         post '/lists' do
-          unless available_labels_for(board_parent).exists?(params[:label_id])
-            render_api_error!({ error: 'Label not found!' }, 400)
-          end
+          authorize_list_type_resource!
 
           authorize!(:admin_list, user_group)