From 00645f50b6d8fbd23e683384a0d617e9b122541c Mon Sep 17 00:00:00 2001
From: kolaente <k@knt.li>
Date: Tue, 24 Mar 2026 20:23:55 +0100
Subject: [PATCH] fix(templates): reuse ProjectDuplicate.Create for template
 creation and fix is_template filter semantics

---
 pkg/models/project_duplicate.go | 12 ++++++++-
 pkg/models/project_template.go  | 45 +++++----------------------------
 pkg/webtests/project_test.go    |  4 +--
 3 files changed, 19 insertions(+), 42 deletions(-)

diff --git a/pkg/models/project_duplicate.go b/pkg/models/project_duplicate.go
index dadfebe29..ede5841a9 100644
--- a/pkg/models/project_duplicate.go
+++ b/pkg/models/project_duplicate.go
@@ -42,6 +42,8 @@ type ProjectDuplicate struct {
 	SkipPermissions bool `json:"-"`
 	// If true, skip copying task assignees and comments
 	SkipAssigneesAndComments bool `json:"-"`
+	// If true, the duplicated project will be marked as a template
+	IsTemplate bool `json:"-"`
 
 	web.Permissions `json:"-"`
 	web.CRUDable    `json:"-"`
@@ -90,7 +92,15 @@ 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()
-	pd.Project.Title += " - duplicate"
+
+	if pd.IsTemplate {
+		pd.Project.IsTemplate = true
+		pd.Project.ParentProjectID = 0
+		pd.SkipPermissions = true
+		pd.SkipAssigneesAndComments = true
+	} else {
+		pd.Project.Title += " - duplicate"
+	}
 	err = CreateProject(s, pd.Project, doer, false, false)
 	if err != nil {
 		// If there is no available unique project identifier, just reset it.
diff --git a/pkg/models/project_template.go b/pkg/models/project_template.go
index 5af4751e2..20e582bca 100644
--- a/pkg/models/project_template.go
+++ b/pkg/models/project_template.go
@@ -35,7 +35,7 @@ type ProjectTemplate struct {
 	web.CRUDable    `json:"-"`
 }
 
-// CanCreate checks if a user has the right to create a template from a project
+// CanCreate checks if a user has the permission to create a template from a project
 func (pt *ProjectTemplate) CanCreate(s *xorm.Session, a web.Auth) (canCreate bool, err error) {
 	p := &Project{ID: pt.ProjectID}
 	canCreate, _, err = p.CanRead(s, a)
@@ -57,56 +57,23 @@ func (pt *ProjectTemplate) CanCreate(s *xorm.Session, a web.Auth) (canCreate boo
 func (pt *ProjectTemplate) Create(s *xorm.Session, doer web.Auth) (err error) {
 	log.Debugf("Creating template from project %d", pt.ProjectID)
 
-	// Use ProjectDuplicate to copy the project
 	pd := &ProjectDuplicate{
-		ProjectID:                pt.ProjectID,
-		SkipPermissions:          true,
-		SkipAssigneesAndComments: true,
+		ProjectID:  pt.ProjectID,
+		IsTemplate: true,
 	}
 
-	// Read the source project
+	// Read the source project so the duplicate has something to work with
 	pd.Project = &Project{ID: pt.ProjectID}
 	err = pd.Project.ReadOne(s, doer)
 	if err != nil {
 		return err
 	}
 
-	// Reset and mark as template
-	pd.Project.ID = 0
-	pd.Project.Identifier = ""
-	pd.Project.ParentProjectID = 0
-	pd.Project.OwnerID = doer.GetID()
-	pd.Project.IsTemplate = true
-
-	err = CreateProject(s, pd.Project, doer, false, false)
+	err = pd.Create(s, doer)
 	if err != nil {
-		if IsErrProjectIdentifierIsNotUnique(err) {
-			pd.Project.Identifier = ""
-			err = CreateProject(s, pd.Project, doer, false, false)
-		}
-		if err != nil {
-			return err
-		}
-	}
-
-	log.Debugf("Created template project %d from project %d", pd.Project.ID, pt.ProjectID)
-
-	newTaskIDs, err := duplicateTasks(s, doer, pd)
-	if err != nil {
-		return
-	}
-
-	err = duplicateViews(s, pd, doer, newTaskIDs)
-	if err != nil {
-		return
-	}
-
-	err = duplicateProjectBackground(s, pd, doer)
-	if err != nil {
-		return
+		return err
 	}
 
 	pt.Project = pd.Project
-	err = pt.Project.ReadOne(s, doer)
 	return
 }
diff --git a/pkg/webtests/project_test.go b/pkg/webtests/project_test.go
index 88a27ccad..5cb032426 100644
--- a/pkg/webtests/project_test.go
+++ b/pkg/webtests/project_test.go
@@ -101,12 +101,12 @@ func TestProject(t *testing.T) {
 			assert.NotContains(t, rec.Body.String(), `Template Project`)
 			assert.NotContains(t, rec.Body.String(), `Shared Template`)
 		})
-		t.Run("Templates only", func(t *testing.T) {
+		t.Run("Including templates", func(t *testing.T) {
 			rec, err := testHandler.testReadAllWithUser(url.Values{"is_template": []string{"true"}}, nil)
 			require.NoError(t, err)
 			assert.Contains(t, rec.Body.String(), `Template Project`)
 			assert.Contains(t, rec.Body.String(), `Shared Template`)
-			assert.NotContains(t, rec.Body.String(), `"title":"Test1"`)
+			assert.Contains(t, rec.Body.String(), `Test1`)
 		})
 	})
 	t.Run("ReadOne", func(t *testing.T) {