fix(project): duplicating a project should not create two backlog buckets

Resolves https://community.vikunja.io/t/when-duplicating-a-project-the-resulting-project-has-an-extra-bucket/1524

pkg/models/project.go

@@ -680,7 +680,7 @@ func checkProjectBeforeUpdateOrDelete(s *xorm.Session, project *Project) (err er
 	return nil
 }
 
-func CreateProject(s *xorm.Session, project *Project, auth web.Auth) (err error) {
+func CreateProject(s *xorm.Session, project *Project, auth web.Auth, createBacklogBucket bool) (err error) {
 	err = project.CheckIsArchived(s)
 	if err != nil {
 		return err
@@ -715,14 +715,16 @@ func CreateProject(s *xorm.Session, project *Project, auth web.Auth) (err error)
 		}
 	}
 
-	// Create a new first bucket for this project
-	b := &Bucket{
-		ProjectID: project.ID,
-		Title:     "Backlog",
-	}
-	err = b.Create(s, auth)
-	if err != nil {
-		return
+	if createBacklogBucket {
+		// Create a new first bucket for this project
+		b := &Bucket{
+			ProjectID: project.ID,
+			Title:     "Backlog",
+		}
+		err = b.Create(s, auth)
+		if err != nil {
+			return
+		}
 	}
 
 	return events.Dispatch(&ProjectCreatedEvent{
@@ -928,7 +930,7 @@ func updateProjectByTaskID(s *xorm.Session, taskID int64) (err error) {
 // @Failure 500 {object} models.Message "Internal error"
 // @Router /projects [put]
 func (p *Project) Create(s *xorm.Session, a web.Auth) (err error) {
-	err = CreateProject(s, p, a)
+	err = CreateProject(s, p, a, true)
 	if err != nil {
 		return
 	}

pkg/models/project_duplicate.go

@@ -81,7 +81,7 @@ func (pd *ProjectDuplicate) Create(s *xorm.Session, doer web.Auth) (err error) {
 	pd.Project.ParentProjectID = pd.ParentProjectID
 	// Set the owner to the current user
 	pd.Project.OwnerID = doer.GetID()
-	if err := CreateProject(s, pd.Project, doer); err != nil {
+	if err := CreateProject(s, pd.Project, doer, false); err != nil {
 		// If there is no available unique project identifier, just reset it.
 		if IsErrProjectIdentifierIsNotUnique(err) {
 			pd.Project.Identifier = ""

pkg/models/project_duplicate_test.go

@@ -44,6 +44,14 @@ func TestProjectDuplicate(t *testing.T) {
 	assert.True(t, can)
 	err = l.Create(s, u)
 	assert.NoError(t, err)
+
+	// assert the new project has the same number of buckets as the old one
+	numberOfOriginalBuckets, err := s.Where("project_id = ?", l.ProjectID).Count(&Bucket{})
+	assert.NoError(t, err)
+	numberOfDuplicatedBuckets, err := s.Where("project_id = ?", l.Project.ID).Count(&Bucket{})
+	assert.NoError(t, err)
+	assert.Equal(t, numberOfOriginalBuckets, numberOfDuplicatedBuckets, "duplicated project does not have the same amount of buckets as the original one")
+
 	// To make this test 100% useful, it would need to assert a lot more stuff, but it is good enough for now.
 	// Also, we're lacking utility functions to do all needed assertions.
 }

pkg/models/project_test.go

@@ -51,6 +51,9 @@ func TestProject_CreateOrUpdate(t *testing.T) {
 				"description":       project.Description,
 				"parent_project_id": 0,
 			}, false)
+			db.AssertExists(t, "buckets", map[string]interface{}{
+				"project_id": project.ID,
+			}, false)
 		})
 		t.Run("nonexistant parent project", func(t *testing.T) {
 			db.LoadAndAssertFixtures(t)