Improve bus (#3)

* Improve bus
* Add ticket log

bus/job.go

@@ -0,0 +1,42 @@
+package bus
+
+import (
+	"encoding/json"
+	"log"
+
+	emitter "github.com/emitter-io/go/v2"
+
+	"github.com/SecurityBrewery/catalyst/generated/models"
+)
+
+const channelJob = "job"
+
+type JobMsg struct {
+	ID         string          `json:"id"`
+	Automation string          `json:"automation"`
+	Origin     *models.Origin  `json:"origin"`
+	Message    *models.Message `json:"message"`
+}
+
+func (b *Bus) PublishJob(id, automation string, payload interface{}, context *models.Context, origin *models.Origin) error {
+	return b.jsonPublish(&JobMsg{
+		ID:         id,
+		Automation: automation,
+		Origin:     origin,
+		Message: &models.Message{
+			Context: context,
+			Payload: payload,
+		},
+	}, channelJob, b.config.jobBusKey)
+}
+
+func (b *Bus) SubscribeJob(f func(msg *JobMsg)) error {
+	return b.safeSubscribe(b.config.jobBusKey, channelJob, func(c *emitter.Client, m emitter.Message) {
+		var msg JobMsg
+		if err := json.Unmarshal(m.Payload(), &msg); err != nil {
+			log.Println(err)
+			return
+		}
+		go f(&msg)
+	})
+}