module GroupTree # rubocop:disable Gitlab/ModuleWithInstanceVariables def render_group_tree(groups) groups = groups.sort_by_attribute(@sort = params[:sort]) groups = if params[:filter].present? filtered_groups_with_ancestors(groups) else # If `params[:parent_id]` is `nil`, we will only show root-groups groups.where(parent_id: params[:parent_id]).page(params[:page]) end @groups = groups.with_selects_for_list(archived: params[:archived]) respond_to do |format| format.html format.json do serializer = GroupChildSerializer.new(current_user: current_user) .with_pagination(request, response) serializer.expand_hierarchy if params[:filter].present? render json: serializer.represent(@groups) end end # rubocop:enable Gitlab/ModuleWithInstanceVariables end def filtered_groups_with_ancestors(groups) filtered_groups = groups.search(params[:filter]).page(params[:page]) if Group.supports_nested_groups? # We find the ancestors by ID of the search results here. # Otherwise the ancestors would also have filters applied, # which would cause them not to be preloaded. # # Pagination needs to be applied before loading the ancestors to # make sure ancestors are not cut off by pagination. Gitlab::GroupHierarchy.new(Group.where(id: filtered_groups.select(:id))) .base_and_ancestors else filtered_groups end end end