本来の期限に加えて自分の中での目標期限を設定できるよう仕様追加

internal/service/notification_service.go

@@ -170,10 +170,11 @@ func (s *NotificationService) SendUrgentReminder(userID uint, assignment *models
 		return err
 	}
 
-	timeRemaining := time.Until(assignment.DueDate)
+	softDue := assignment.GetEffectiveSoftDueDate()
+	timeRemaining := time.Until(softDue)
 	var timeStr string
 	if timeRemaining < 0 {
-		timeStr = "期限切れ！"
+		timeStr = "自分の期限切れ！"
 	} else if timeRemaining < time.Hour {
 		timeStr = fmt.Sprintf("あと%d分", int(timeRemaining.Minutes()))
 	} else {
@@ -191,12 +192,13 @@ func (s *NotificationService) SendUrgentReminder(userID uint, assignment *models
 	}
 
 	message := fmt.Sprintf(
-		"%s 督促通知！\n\n【%s】\n科目: %s\n期限: %s (%s)\n\n完了したらアプリで完了ボタンを押してください！",
+		"%s 督促通知！\n\n【%s】\n科目: %s\n自分の期限: %s (%s)\nガチ期限: %s\n\n完了したらアプリで完了ボタンを押してください！",
 		priorityEmoji,
 		assignment.Title,
 		assignment.Subject,
-		assignment.DueDate.Format("2006/01/02 15:04"),
+		softDue.Format("2006/01/02 15:04"),
 		timeStr,
+		assignment.DueDate.Format("2006/01/02 15:04"),
 	)
 
 	var errors []string
@@ -268,9 +270,10 @@ func (s *NotificationService) ProcessUrgentReminders() {
 	}
 
 	for _, assignment := range assignments {
-		timeUntilDue := assignment.DueDate.Sub(now)
+		softDue := assignment.GetEffectiveSoftDueDate()
+		timeUntilSoftDue := softDue.Sub(now)
 
-		if timeUntilDue > urgentStartTime {
+		if timeUntilSoftDue > urgentStartTime {
 			continue
 		}