feat: 重构事件处理，添加默认通道和发布逻辑，移除不必要的提供者

templates/project/app/events/publishers/user_register.go.tpl

@@ -3,13 +3,17 @@ package publishers
 import (
 	"encoding/json"
 
-	"go.ipao.vip/atom/contracts"
 	"{{.ModuleName}}/app/events"
+	"{{.ModuleName}}/providers/event"
+
+	"go.ipao.vip/atom/contracts"
 )
 
 var _ contracts.EventPublisher = (*UserRegister)(nil)
 
 type UserRegister struct {
+	event.DefaultChannel
+
 	ID int64 `json:"id"`
 }
 

templates/project/app/events/subscribers/user_register.go.tpl

@@ -3,18 +3,22 @@ package subscribers
 import (
 	"encoding/json"
 
-	"go.ipao.vip/atom/contracts"
 	"{{.ModuleName}}/app/events"
 	"{{.ModuleName}}/app/events/publishers"
+	"{{.ModuleName}}/providers/event"
 
 	"github.com/ThreeDotsLabs/watermill/message"
 	"github.com/sirupsen/logrus"
+	"go.ipao.vip/atom/contracts"
 )
 
 var _ contracts.EventHandler = (*UserRegister)(nil)
 
 // @provider(event)
 type UserRegister struct {
+	event.DefaultChannel
+	event.DefaultPublishTo
+
 	log *logrus.Entry `inject:"false"`
 }
 
@@ -23,11 +27,6 @@ func (e *UserRegister) Prepare() error {
 	return nil
 }
 
-// PublishToTopic implements contracts.EventHandler.
-func (e *UserRegister) PublishToTopic() string {
-	return events.TopicProcessed
-}
-
 // Topic implements contracts.EventHandler.
 func (e *UserRegister) Topic() string {
 	return events.TopicUserRegister

templates/project/app/events/subscribers/utils.go.tpl

@@ -0,0 +1,24 @@
+package subscribers
+
+import (
+	"encoding/json"
+
+	"github.com/ThreeDotsLabs/watermill"
+	"github.com/ThreeDotsLabs/watermill/message"
+)
+
+func toMessage(event any) (*message.Message, error) {
+	b, err := json.Marshal(event)
+	if err != nil {
+		return nil, err
+	}
+	return message.NewMessage(watermill.NewUUID(), b), nil
+}
+
+func toMessageList(event any) ([]*message.Message, error) {
+	m, err := toMessage(event)
+	if err != nil {
+		return nil, err
+	}
+	return []*message.Message{m}, nil
+}