Files

56 lines
2.0 KiB
Go

package agent
import (
"encoding/json"
"errors"
"fmt"
"time"
"git.ipao.vip/rogee/go-sip/internal/contract"
)
// EventWriter keeps Agent-produced realtime facts in the approved event
// vocabulary before they are handed to Dispatcher/MQ. Transcript text is
// written to the Agent spool as an archive as well as returned for realtime
// publication; the archive is not a substitute for transcript.updated.
type EventWriter struct {
DispatcherID string
TenantID string
TenantKey string
TraceID string
}
func (w EventWriter) TranscriptUpdated(now time.Time, eventID, callID, turnID, segmentID, role, text string, revision int64, final bool, startMS, endMS int64) ([]byte, error) {
if eventID == "" || callID == "" || turnID == "" || segmentID == "" || role == "" {
return nil, errors.New("transcript event identity is required")
}
if revision < 1 || startMS < 0 || endMS < startMS {
return nil, errors.New("transcript timing or revision is invalid")
}
return (contract.EventBuilder{
DispatcherID: w.DispatcherID, TenantID: w.TenantID, TenantKey: w.TenantKey, TraceID: w.TraceID,
EventType: "transcript.updated", Aggregate: "transcript_segment", AggregateID: segmentID, Version: revision,
Payload: map[string]any{
"call_id": callID, "turn_id": turnID, "segment_id": segmentID,
"role": role, "revision": revision, "text": text, "is_final": final,
"start_ms": startMS, "end_ms": endMS, "playback_state": "not_applicable",
},
}).Marshal(now, eventID)
}
func (s *Spool) AppendApprovedEvent(executionID string, event []byte) error {
var envelope struct {
EventType string `json:"event_type"`
}
if err := json.Unmarshal(event, &envelope); err != nil {
return fmt.Errorf("decode event envelope: %w", err)
}
if envelope.EventType != "transcript.updated" {
return fmt.Errorf("Agent transcript archive accepts transcript.updated only, got %q", envelope.EventType)
}
if err := contract.ValidateEvent(event); err != nil {
return err
}
return s.AppendTranscript(executionID, event)
}