Update Boards::Lists::GenerateService to generate for a specific board

app/services/boards/lists/generate_service.rb

 module Boards
   module Lists
     class GenerateService < Boards::BaseService
-      def execute
+      def execute(board)
         return false unless board.lists.movable.empty?
 
         List.transaction do
-          label_params.each { |params| create_list(params) }
+          label_params.each { |params| create_list(board, params) }
         end
 
         true
@@ -13,9 +13,9 @@ module Boards
 
       private
 
-      def create_list(params)
+      def create_list(board, params)
         label = find_or_create_label(params)
-        Lists::CreateService.new(project, current_user, label_id: label.id).execute
+        Lists::CreateService.new(project, current_user, label_id: label.id).execute(board)
       end
 
       def find_or_create_label(params)

spec/services/boards/lists/generate_service_spec.rb

@@ -2,15 +2,15 @@ require 'spec_helper'
 
 describe Boards::Lists::GenerateService, services: true do
   describe '#execute' do
-    let(:project) { create(:project_with_board) }
-    let(:board)   { project.board }
+    let(:project) { create(:empty_project) }
+    let(:board)   { create(:board, project: project) }
     let(:user)    { create(:user) }
 
     subject(:service) { described_class.new(project, user) }
 
     context 'when board lists is empty' do
       it 'creates the default lists' do
-        expect { service.execute }.to change(board.lists, :count).by(2)
+        expect { service.execute(board) }.to change(board.lists, :count).by(2)
       end
     end
 
@@ -18,13 +18,13 @@ describe Boards::Lists::GenerateService, services: true do
       it 'does not creates the default lists' do
         create(:list, board: board)
 
-        expect { service.execute }.not_to change(board.lists, :count)
+        expect { service.execute(board) }.not_to change(board.lists, :count)
       end
     end
 
     context 'when project labels does not contains any list label' do
       it 'creates labels' do
-        expect { service.execute }.to change(project.labels, :count).by(2)
+        expect { service.execute(board) }.to change(project.labels, :count).by(2)
       end
     end
 
@@ -32,7 +32,7 @@ describe Boards::Lists::GenerateService, services: true do
       it 'creates the missing labels' do
         create(:label, project: project, name: 'Doing')
 
-        expect { service.execute }.to change(project.labels, :count).by(1)
+        expect { service.execute(board) }.to change(project.labels, :count).by(1)
       end
     end
   end