Add conversion job logic

internal/entity/job.go

@@ -21,3 +21,9 @@ const (
 	StateUploaded  = "uploaded"
 	StatusFailed   = "failed"
 )
+
+func (j *TranscribeJob) MoveToState(state string) {
+	j.State = state
+	j.Worker = nil
+	j.AcquiredAt = nil
+}