From dad2a26611698f7a710f2d8b5d901019c652d29d Mon Sep 17 00:00:00 2001
From: Rogee <rogeecn@qq.com>
Date: Thu, 11 Sep 2025 14:10:38 +0800
Subject: [PATCH] feat: update EventHandler and EventPublisher interfaces to
 include Channel and PublishTo methods

---
 contracts/events.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/contracts/events.go b/contracts/events.go
index 60776b4..88cf32a 100644
--- a/contracts/events.go
+++ b/contracts/events.go
@@ -4,11 +4,15 @@ import "github.com/ThreeDotsLabs/watermill/message"
 
 type EventHandler interface {
 	Topic() string
-	PublishToTopic() string
+	Channel() Channel
+	PublishTo() (Channel, string)
 	Handler(msg *message.Message) ([]*message.Message, error)
 }
 
+type Channel string
+
 type EventPublisher interface {
 	Topic() string
+	Channel() Channel
 	Marshal() ([]byte, error)
 }