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110 lines
3.5 KiB
110 lines
3.5 KiB
package echomeet
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import (
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"context"
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"yunyan/lego/sys/log"
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"yunyan/pb"
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"yunyan/sys/google/gemini"
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"yunyan/sys/google/speech"
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"yunyan/sys/google/translate"
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"fmt"
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)
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// newGoogleProviders 初始化 Google 系单元服务（转写=Cloud Speech、翻译=Cloud Translation、总结=Gemini），
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// 返回组合后的转写/翻译/总结三个 provider。
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func newGoogleProviders(opt ProviderOptions) (Transcriber, Translator, Summarizer) {
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if err := speech.OnInit(opt.Transcribe); err != nil {
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log.Errorf("echomeet: init google speech failed: %v", err)
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}
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if err := translate.OnInit(opt.Translate); err != nil {
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log.Errorf("echomeet: init google translate failed: %v", err)
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}
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sys, err := gemini.NewSys(
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gemini.SetApikey(opt.Summary.Apikey),
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gemini.SetModel(opt.Summary.Model),
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gemini.SetEndpoint(opt.Summary.Endpoint),
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)
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if err != nil {
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log.Errorf("echomeet: init gemini summarizer failed: %v", err)
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}
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return &googleTranscriber{}, &googleTranslator{}, &geminiSummarizer{sys: sys}
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}
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// Google Cloud Speech-to-Text V1 LongRunningRecognize（要求 gs:// 音频）
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type googleTranscriber struct{}
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func (this *googleTranscriber) Name() pb.TranscribeService {
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return pb.TranscribeService_TranscribeService_Google
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}
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// Google Speech 支持的语种较广，不做白名单限制（gs:// 限制在 Submit 内）
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func (this *googleTranscriber) SupportsLanguage(_ string) bool {
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return true
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}
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func (this *googleTranscriber) Submit(_ context.Context, req SubmitRequest) (*SubmitResult, error) {
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taskID, err := speech.CreateTask(req.AudioURL, req.Language, req.EnableSpeaker, req.CallbackURL)
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if err != nil {
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return nil, fmt.Errorf("google speech create task: %w", err)
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}
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return &SubmitResult{TaskID: taskID}, nil
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}
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func (this *googleTranscriber) Query(_ context.Context, taskID, _ string) (*QueryResult, error) {
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status, contexts, err := speech.QueryTask(taskID)
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switch status {
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case speech.StatusSuccess:
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out := make([]*pb.ContextStruct, 0, len(contexts))
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for _, c := range contexts {
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out = append(out, &pb.ContextStruct{
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Content: c.Content,
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Starttime: c.StartTime,
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Endtime: c.EndTime,
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Speaker: c.Speaker,
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})
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}
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return &QueryResult{Status: StatusSuccess, Contexts: out}, nil
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case speech.StatusRunning:
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return &QueryResult{Status: StatusRunning}, nil
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default:
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return &QueryResult{Status: StatusFailed}, fmt.Errorf("google speech query failed: %w", err)
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}
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}
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// Google Cloud Translation v3
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type googleTranslator struct{}
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func (this *googleTranslator) Name() pb.TranscribeService {
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return pb.TranscribeService_TranscribeService_Google
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}
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func (this *googleTranslator) Translate(ctx context.Context, from, to string, texts []string) ([]string, error) {
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return translate.Translate(ctx, toGoogleTranslateLang(from), toGoogleTranslateLang(to), texts)
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}
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// Gemini 总结
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type geminiSummarizer struct {
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sys gemini.ISys
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}
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func (this *geminiSummarizer) Name() pb.TranscribeService {
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return pb.TranscribeService_TranscribeService_Google
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}
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func (this *geminiSummarizer) Chat(ctx context.Context, messages []ChatMessage) (string, error) {
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if this.sys == nil {
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return "", fmt.Errorf("gemini summarizer not initialized")
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}
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msgs := make([]gemini.Message, 0, len(messages))
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for _, m := range messages {
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msgs = append(msgs, gemini.Message{Role: m.Role, Content: m.Content, Images: m.Images})
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}
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resp, err := this.sys.Chat(ctx, msgs)
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if err != nil {
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return "", err
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}
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if resp == nil {
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return "", fmt.Errorf("gemini chat: empty response")
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}
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return resp.Content, nil
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}
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