Improve bus (#3)

* Improve bus
* Add ticket log

bus/result.go

@@ -0,0 +1,33 @@
+package bus
+
+import (
+	"encoding/json"
+	"log"
+
+	emitter "github.com/emitter-io/go/v2"
+
+	"github.com/SecurityBrewery/catalyst/generated/models"
+)
+
+const channelResult = "result"
+
+type ResultMsg struct {
+	Automation string                 `json:"automation"`
+	Data       map[string]interface{} `json:"data,omitempty"`
+	Target     *models.Origin         `json:"target"`
+}
+
+func (b *Bus) PublishResult(automation string, data map[string]interface{}, target *models.Origin) error {
+	return b.jsonPublish(&ResultMsg{Automation: automation, Data: data, Target: target}, channelResult, b.config.resultBusKey)
+}
+
+func (b *Bus) SubscribeResult(f func(msg *ResultMsg)) error {
+	return b.safeSubscribe(b.config.resultBusKey, channelResult, func(c *emitter.Client, m emitter.Message) {
+		var msg ResultMsg
+		if err := json.Unmarshal(m.Payload(), &msg); err != nil {
+			log.Println(err)
+			return
+		}
+		go f(&msg)
+	})
+}