fix: preserve dates for repeating tasks (#47)

Reviewed-At: https://github.com/go-vikunja/api/pull/47
pull/1253/head
Arie 2 weeks ago committed by GitHub
parent d8f387f796
commit 090c67138a
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GPG Key ID: 4AEE18F83AFDEB23
  1. 35
      pkg/models/tasks.go

@ -1289,18 +1289,39 @@ func setTaskDatesFromCurrentDateRepeat(oldTask, newTask *Task) {
}
}
// If a task has a start and end date, the end date should keep the difference to the start date when setting them as new
if !oldTask.StartDate.IsZero() && !oldTask.EndDate.IsZero() {
diff := oldTask.EndDate.Sub(oldTask.StartDate)
newTask.StartDate = now.Add(repeatDuration)
newTask.EndDate = now.Add(repeatDuration + diff)
// We want to preserve intervals among the due, start and end dates.
// The due date is used as a reference point for all new dates, so the
// behaviour depends on whether the due date is set at all.
if oldTask.DueDate.IsZero() {
// If a task has no due date, but does have a start and end date, the
// end date should keep the difference to the start date when setting
// them as new
if !oldTask.StartDate.IsZero() && !oldTask.EndDate.IsZero() {
diff := oldTask.EndDate.Sub(oldTask.StartDate)
newTask.StartDate = now.Add(repeatDuration)
newTask.EndDate = now.Add(repeatDuration + diff)
} else {
if !oldTask.StartDate.IsZero() {
newTask.StartDate = now.Add(repeatDuration)
}
if !oldTask.EndDate.IsZero() {
newTask.EndDate = now.Add(repeatDuration)
}
}
} else {
// If the old task has a start and due date, we set the new start date
// to preserve the interval between them.
if !oldTask.StartDate.IsZero() {
newTask.StartDate = now.Add(repeatDuration)
diff := oldTask.DueDate.Sub(oldTask.StartDate)
newTask.StartDate = newTask.DueDate.Add(-diff)
}
// If the old task has an end and due date, we set the new end date
// to preserve the interval between them.
if !oldTask.EndDate.IsZero() {
newTask.EndDate = now.Add(repeatDuration)
diff := oldTask.DueDate.Sub(oldTask.EndDate)
newTask.EndDate = newTask.DueDate.Add(-diff)
}
}

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