feat: new event

templates/events/publisher.go.tpl

@@ -0,0 +1,23 @@
+package publishers
+
+import (
+	"encoding/json"
+
+	"{{.ModuleName}}/app/events"
+
+	"git.ipao.vip/rogeecn/atom/contracts"
+)
+
+var _ contracts.EventPublisher = (*{{.Name}}Event)(nil)
+
+type {{.Name}}Event struct {
+	ID int64 `json:"id"`
+}
+
+func (e *{{.Name}}Event) Marshal() ([]byte, error) {
+	return json.Marshal(e)
+}
+
+func (e *{{.Name}}Event) Topic() string {
+	return events.Topic{{.Name}}
+}

templates/events/subscriber.go.tpl

@@ -0,0 +1,48 @@
+package subscribers
+
+import (
+	"encoding/json"
+
+	"{{.ModuleName}}/app/events"
+	"{{.ModuleName}}/app/events/publishers"
+
+	"git.ipao.vip/rogeecn/atom/contracts"
+	"github.com/ThreeDotsLabs/watermill/message"
+	"github.com/sirupsen/logrus"
+)
+
+var _ contracts.EventHandler = (*{{.Name}}Subscriber)(nil)
+
+// @provider(event)
+type {{.Name}}Subscriber struct {
+	log *logrus.Entry `inject:"false"`
+}
+
+func (e *{{.Name}}Subscriber) Prepare() error {
+	e.log = logrus.WithField("module", "events.subscribers.{{.Name}}Subscriber")
+	return nil
+}
+
+// PublishToTopic implements contracts.EventHandler.
+func (e *{{.Name}}Subscriber) PublishToTopic() string {
+	return events.TopicProcessed
+}
+
+// Topic implements contracts.EventHandler.
+func (e *{{.Name}}Subscriber) Topic() string {
+	return events.Topic{{.Name}}
+}
+
+// Handler implements contracts.EventHandler.
+func (e *{{.Name}}Subscriber) Handler(msg *message.Message) ([]*message.Message, error) {
+	var payload publishers.{{.Name}}Event
+	err := json.Unmarshal(msg.Payload, &payload)
+	if err != nil {
+		return nil, err
+	}
+	e.log.Infof("received event %s", msg.Payload)
+
+	// TODO: handle post deletion
+
+	return nil, nil
+}