package order import ( "context" "gorm.io/gorm" ) // RefundStarter 由支付模块适配实现,避免 order 直接依赖 payment。 type RefundStarter interface { StartRefund(ctx context.Context, orderID uint64, refundAmountCent int64, bizType string, remark string) (status string, err error) } type RefundStarterFunc func(ctx context.Context, orderID uint64, refundAmountCent int64, bizType string, remark string) (status string, err error) func (fn RefundStarterFunc) StartRefund(ctx context.Context, orderID uint64, refundAmountCent int64, bizType string, remark string) (string, error) { return fn(ctx, orderID, refundAmountCent, bizType, remark) } type OrderChatNotifier interface { NotifyNewConversation(conversationID uint64) } type Dependencies struct { ChatNotifier OrderChatNotifier RefundStarter RefundStarter } type refundAction struct { OrderID uint64 RefundAmountCent int64 BizType string Remark string } type Repository struct { db *gorm.DB chatNotifier OrderChatNotifier refundStarter RefundStarter } const defaultPendingPaymentTimeoutMinutes = 15 func NewRepository(db *gorm.DB, deps ...Dependencies) *Repository { repo := &Repository{db: db} if len(deps) > 0 { repo.chatNotifier = deps[0].ChatNotifier repo.refundStarter = deps[0].RefundStarter } return repo } func (r *Repository) NotifyNewConversation(conversationID uint64) { if conversationID > 0 && r.chatNotifier != nil { r.chatNotifier.NotifyNewConversation(conversationID) } }