package api import ( "fmt" "os" "path/filepath" model "github.com/go-skynet/LocalAI/pkg/model" "github.com/go-skynet/LocalAI/pkg/tts" "github.com/go-skynet/LocalAI/pkg/utils" "github.com/gofiber/fiber/v2" ) type TTSRequest struct { Model string `json:"model" yaml:"model"` Input string `json:"input" yaml:"input"` } func generateUniqueFileName(dir, baseName, ext string) string { counter := 1 fileName := baseName + ext for { filePath := filepath.Join(dir, fileName) _, err := os.Stat(filePath) if os.IsNotExist(err) { return fileName } counter++ fileName = fmt.Sprintf("%s_%d%s", baseName, counter, ext) } } func ttsEndpoint(cm *ConfigMerger, o *Option) func(c *fiber.Ctx) error { return func(c *fiber.Ctx) error { input := new(TTSRequest) // Get input data from the request body if err := c.BodyParser(input); err != nil { return err } piperModel, err := o.loader.BackendLoader( model.WithBackendString(model.PiperBackend), model.WithModelFile(input.Model), model.WithAssetDir(o.assetsDestination)) if err != nil { return err } if piperModel == nil { return fmt.Errorf("could not load piper model") } w, ok := piperModel.(*tts.Piper) if !ok { return fmt.Errorf("loader returned non-piper object %+v", w) } if err := os.MkdirAll(o.audioDir, 0755); err != nil { return err } fileName := generateUniqueFileName(o.audioDir, "piper", ".wav") filePath := filepath.Join(o.audioDir, fileName) modelPath := filepath.Join(o.loader.ModelPath, input.Model) if err := utils.VerifyPath(modelPath, o.loader.ModelPath); err != nil { return err } if err := w.TTS(input.Input, modelPath, filePath); err != nil { return err } return c.Download(filePath) } }