Add job helpers

internal/entity/job.go

@@ -40,3 +40,14 @@ func (j *TranscribeJob) MoveToStateAndDelay(state string, delay *time.Time) {
 	j.DelayTime = delay
 	j.UpdatedAt = time.Now()
 }
+
+func (j *TranscribeJob) Done(transcriptionText string) {
+	j.MoveToState(StateDone)
+	j.TranscriptionText = &transcriptionText
+}
+
+func (j *TranscribeJob) Fail(errText string) {
+	j.MoveToState(StateFailed)
+	j.IsError = true
+	j.ErrorText = &errText
+}