Add copying task relations

pkg/models/list_duplicate.go

@@ -84,7 +84,7 @@ func (ld *ListDuplicate) Create(a web.Auth) (err error) {
 	}
 
 	taskMap := make(map[int64]int64)
-	// Create + update all tasks
+	// Create + update all tasks (includes reminders)
 	oldTaskIDs := make([]int64, len(tasks))
 	for _, t := range tasks {
 		oldID := t.ID
@@ -171,7 +171,25 @@ func (ld *ListDuplicate) Create(a web.Auth) (err error) {
 	}
 
 	// Relations in that list
-	// Reminders
+	// Low-Effort: Only copy those relations which are between tasks in the same list
+	// because we can do that without a lot of hassle
+	relations := []*TaskRelation{}
+	err = x.In("task_id", oldTaskIDs).Find(relations)
+	if err != nil {
+		return
+	}
+	for _, r := range relations {
+		otherTaskID, exists := taskMap[r.OtherTaskID]
+		if !exists {
+			continue
+		}
+		r.OtherTaskID = otherTaskID
+		r.TaskID = taskMap[r.TaskID]
+		if _, err := x.Insert(r); err != nil {
+			return err
+		}
+	}
+
 	// Background files + unsplash info
 
 	// Rights / Shares