Feat: vas for group / storage pack

models/user.go

@@ -318,6 +318,7 @@ func GetTolerantExpiredUser() []User {
 // GroupFallback 回退到初始用户组
 func (user *User) GroupFallback() {
 	if user.GroupExpires != nil && user.PreviousGroupID != 0 {
+		user.Group.ID = user.PreviousGroupID
 		DB.Model(&user).Updates(map[string]interface{}{
 			"group_expires":     nil,
 			"previous_group_id": 0,
@@ -325,3 +326,13 @@ func (user *User) GroupFallback() {
 		})
 	}
 }
+
+// UpgradeGroup 升级用户组
+func (user *User) UpgradeGroup(id uint, expires *time.Time) error {
+	user.Group.ID = id
+	return DB.Model(&user).Updates(map[string]interface{}{
+		"group_expires":     expires,
+		"previous_group_id": user.GroupID,
+		"group_id":          id,
+	}).Error
+}