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