general refactor for simpler code

internal/daemon/daemon.go

@@ -157,27 +157,28 @@ func (d *Daemon) toggle() {
 		d.pipeline = p
 		d.mu.Unlock()
 
-		go d.notifier.RecordingStarted()
+		go d.notifier.Notify("Hyprvoice", "Recording Started")
 		go d.monitorPipelineErrors(p)
 
 	case pipeline.Recording:
 		d.stopPipeline() // aborted during recording (chunks not sent to transcriber yet)
-		go d.notifier.Aborted()
+		go d.notifier.Error("Recording Aborted")
 
 	case pipeline.Transcribing:
 		d.mu.RLock()
 		if d.pipeline != nil {
 			actionChan := d.pipeline.GetActionCh()
+			log.Printf("Daemon: Sending inject action to pipeline")
 			d.mu.RUnlock()
 			actionChan <- pipeline.Inject
 		} else {
 			d.mu.RUnlock()
 		}
-		go d.notifier.RecordingEnded()
+		go d.notifier.Notify("Hyprvoice", "Recording Ended... Transcribing")
 
 	case pipeline.Injecting:
 		d.stopPipeline() // aborted during injection
-		go d.notifier.Aborted()
+		go d.notifier.Error("Injection Aborted")
 	}
 }
 
@@ -186,14 +187,6 @@ func (d *Daemon) monitorPipelineErrors(p pipeline.Pipeline) {
 	for {
 		select {
 		case pipelineErr := <-errorCh:
-			d.handlePipelineError(pipelineErr)
-		case <-d.ctx.Done():
-			return
-		}
-	}
-}
-
-func (d *Daemon) handlePipelineError(pipelineErr pipeline.PipelineError) {
 			message := pipelineErr.Message
 
 			if pipelineErr.Err != nil {
@@ -201,4 +194,8 @@ func (d *Daemon) handlePipelineError(pipelineErr pipeline.PipelineError) {
 			}
 
 			d.notifier.Error(message)
+		case <-d.ctx.Done():
+			return
+		}
+	}
 }

internal/notify/notify.go

@@ -6,10 +6,6 @@ import (
 )
 
 type Notifier interface {
-	RecordingStarted()
-	RecordingEnded()
-	Aborted()
-	Transcribing()
 	Error(msg string)
 	Notify(title, message string)
 }
@@ -20,21 +16,10 @@ func (d Desktop) RecordingStarted() {
 	d.Notify("Hyprvoice", "Recording Started")
 }
 
-func (d Desktop) RecordingEnded() {
-	d.Notify("Hyprvoice", "Recording Ended")
-}
-
 func (d Desktop) Transcribing() {
 	d.Notify("Hyprvoice", "Transcribing...")
 }
 
-func (Desktop) Aborted() {
-	cmd := exec.Command("notify-send", "-a", "Hyprvoice", "-u", "critical", "Hyprvoice: Aborted")
-	if err := cmd.Run(); err != nil {
-		log.Printf("Failed to send abort notification: %v", err)
-	}
-}
-
 func (Desktop) Error(msg string) {
 	cmd := exec.Command("notify-send", "-a", "Hyprvoice", "-u", "critical", "Hyprvoice Error", msg)
 	if err := cmd.Run(); err != nil {
@@ -51,22 +36,6 @@ func (Desktop) Notify(title, message string) {
 
 type Log struct{}
 
-func (l Log) RecordingStarted() {
-	l.Notify("Hyprvoice", "Recording Started")
-}
-
-func (l Log) RecordingEnded() {
-	l.Notify("Hyprvoice", "Recording Ended")
-}
-
-func (l Log) Transcribing() {
-	l.Notify("Hyprvoice", "Transcribing...")
-}
-
-func (l Log) Aborted() {
-	l.Notify("Hyprvoice", "Aborted")
-}
-
 func (l Log) Error(msg string) {
 	l.Notify("Hyprvoice Error", msg)
 }
@@ -77,9 +46,5 @@ func (Log) Notify(title, message string) {
 
 type Nop struct{}
 
-func (Nop) RecordingStarted()            {}
-func (Nop) RecordingEnded()              {}
-func (Nop) Aborted()                     {}
-func (Nop) Transcribing()                {}
 func (Nop) Error(msg string)             {}
 func (Nop) Notify(title, message string) {}

internal/pipeline/pipeline.go

@@ -3,7 +3,6 @@ package pipeline
 import (
 	"context"
 	"log"
-	"os"
 	"sync"
 	"sync/atomic"
 	"time"
@@ -50,7 +49,7 @@ type pipeline struct {
 	cancel   context.CancelFunc
 	stopOnce sync.Once
 
-	running int32
+	running atomic.Bool
 }
 
 func New() Pipeline {
@@ -59,6 +58,88 @@ func New() Pipeline {
 		errorCh:  make(chan PipelineError, 10),
 	}
 }
+func (p *pipeline) Run(ctx context.Context) {
+	if !p.running.CompareAndSwap(false, true) {
+		log.Printf("Pipeline: Already running, ignoring Run() call")
+		return
+	}
+
+	runCtx, cancel := context.WithTimeout(ctx, 5*time.Minute)
+	p.setCancel(cancel)
+
+	p.wg.Add(1)
+	go p.run(runCtx)
+}
+
+func (p *pipeline) run(ctx context.Context) {
+	defer func() {
+		p.running.Store(false)
+		p.setStatus(Idle)
+		p.wg.Done()
+	}()
+
+	log.Printf("Pipeline: Starting recording")
+	p.setStatus(Recording)
+
+	recorder := recording.NewDefaultRecorder()
+	frameCh, rErrCh, err := recorder.Start(ctx)
+
+	if err != nil {
+		log.Printf("Pipeline: Recording error: %v", err)
+		p.sendError("Recording Error", "Failed to start recording", err)
+		return
+	}
+
+	defer recorder.Stop()
+
+	t, err := transcriber.NewDefaultTranscriber()
+	if err != nil {
+		log.Printf("Pipeline: Failed to create transcriber: %v", err)
+		p.sendError("Transcription Error", "Failed to create transcriber", err)
+		return
+	}
+
+	log.Printf("Pipeline: Starting transcriber")
+	p.setStatus(Transcribing)
+
+	tErrCh, err := t.Start(ctx, frameCh)
+	if err != nil {
+		log.Printf("Pipeline: Transcriber error: %v", err)
+		p.sendError("Transcription Error", "Failed to start transcriber", err)
+		return
+	}
+
+	defer func() {
+		if stopErr := t.Stop(ctx); stopErr != nil {
+			log.Printf("Pipeline: Error stopping transcriber: %v", stopErr)
+			p.sendError("Transcription Error", "Failed to stop transcriber cleanly", stopErr)
+		}
+	}()
+
+	for {
+		select {
+		case <-frameCh:
+
+		case action := <-p.actionCh:
+			switch action {
+			case Inject:
+				p.handleInjectAction(ctx, recorder, t)
+				return
+			}
+
+		case err := <-tErrCh:
+			p.handleTranscriberError(err)
+			return
+
+		case err := <-rErrCh:
+			p.handleRecordingError(err)
+			return
+
+		case <-ctx.Done():
+			return
+		}
+	}
+}
 
 func (p *pipeline) Status() Status {
 	p.mu.RLock()
@@ -110,6 +191,43 @@ func (p *pipeline) sendError(title, message string, err error) {
 	}
 }
 
+func (p *pipeline) handleTranscriberError(err error) {
+	p.sendError("Transcription Error", "Transcription processing error", err)
+}
+
+func (p *pipeline) handleRecordingError(err error) {
+	p.sendError("Recording Error", "Recording stream error", err)
+}
+
+func (p *pipeline) handleInjectAction(ctx context.Context, recorder *recording.Recorder, t transcriber.Transcriber) {
+	status := p.Status()
+
+	if status != Transcribing {
+		log.Printf("Pipeline: Inject action received, but not in transcribing state, ignoring")
+		return
+	}
+
+	log.Printf("Pipeline: Inject action received, stopping recording and finalizing transcription")
+	p.setStatus(Injecting)
+
+	recorder.Stop()
+
+	if err := t.Stop(ctx); err != nil {
+		p.sendError("Transcription Error", "Failed to stop transcriber during injection", err)
+	}
+
+	transcriptionText, err := t.GetFinalTranscription()
+	if err != nil {
+		p.sendError("Transcription Error", "Failed to retrieve transcription", err)
+		return
+	}
+	log.Printf("Pipeline: Final transcription text: %s", transcriptionText)
+
+	log.Printf("Pipeline: Simulating injection work")
+	time.Sleep(10 * time.Millisecond)
+	log.Printf("Pipeline: Injection work done, returning to idle")
+}
+
 func (p *pipeline) Stop() {
 	p.stopOnce.Do(func() {
 		cancel := p.getCancel()
@@ -119,147 +237,3 @@ func (p *pipeline) Stop() {
 	})
 	p.wg.Wait()
 }
-
-func (p *pipeline) Run(ctx context.Context) {
-	if !atomic.CompareAndSwapInt32(&p.running, 0, 1) {
-		log.Printf("Pipeline: Already running, ignoring Run() call")
-		return
-	}
-
-	runCtx, cancel := context.WithTimeout(ctx, 5*time.Minute)
-	p.setCancel(cancel)
-
-	p.wg.Add(1)
-	go p.run(runCtx)
-}
-
-func (p *pipeline) run(ctx context.Context) {
-	defer func() {
-		atomic.StoreInt32(&p.running, 0)
-		p.setStatus(Idle)
-		p.wg.Done()
-	}()
-
-	log.Printf("Pipeline: Starting recording")
-	p.setStatus(Recording)
-
-	recorder := recording.NewDefaultRecorder()
-	frameCh, errCh, err := recorder.Start(ctx)
-	if err != nil {
-		log.Printf("Pipeline: Recording error: %v", err)
-		p.sendError("Recording Error", "Failed to start recording", err)
-		return
-	}
-
-	defer func() {
-		if stopErr := recorder.Stop(); stopErr != nil {
-			log.Printf("Pipeline: Error stopping recorder: %v", stopErr)
-			p.sendError("Recording Error", "Failed to stop recorder cleanly", stopErr)
-		}
-	}()
-
-	config := transcriber.DefaultConfig()
-	if apiKey := os.Getenv("OPENAI_API_KEY"); apiKey != "" {
-		config.APIKey = apiKey
-	}
-
-	t, err := transcriber.NewTranscriber(config)
-	if err != nil {
-		log.Printf("Pipeline: Failed to create transcriber: %v", err)
-		p.sendError("Transcription Error", "Failed to create transcriber", err)
-		return
-	}
-
-	log.Printf("Pipeline: Starting transcriber")
-	p.setStatus(Transcribing)
-
-	tErrCh, err := t.Start(ctx, frameCh)
-	if err != nil {
-		log.Printf("Pipeline: Transcriber error: %v", err)
-		p.sendError("Transcription Error", "Failed to start transcriber", err)
-		return
-	}
-
-	defer func() {
-		if stopErr := t.Stop(ctx); stopErr != nil {
-			log.Printf("Pipeline: Error stopping transcriber: %v", stopErr)
-			p.sendError("Transcription Error", "Failed to stop transcriber cleanly", stopErr)
-		}
-	}()
-
-	frameCount := 0
-	totalBytes := 0
-
-	for {
-		select {
-		case frame := <-frameCh:
-			frameCount++
-			totalBytes += len(frame.Data)
-			// log.Printf("Pipeline: Received frame #%d - Size: %d bytes, Timestamp: %v, Total bytes so far: %d", frameCount, len(frame.Data), frame.Timestamp.Format("15:04:05.000"), totalBytes)
-
-		case err := <-tErrCh:
-			if err != nil {
-				log.Printf("Pipeline: Transcription error: %v", err)
-				p.sendError("Transcription Error", "Transcription processing error", err)
-				return
-			}
-
-		case err := <-errCh:
-			if err != nil {
-				log.Printf("Pipeline: Recording error: %v", err)
-				p.sendError("Recording Error", "Recording stream error", err)
-				return
-			}
-
-		case action := <-p.actionCh:
-			log.Printf("Pipeline: Received action: %v", action)
-			switch action {
-			case Inject:
-				if p.status != Transcribing {
-					log.Printf("Pipeline: Inject action received, but not in transcribing state, ignoring")
-					continue
-				}
-
-				log.Printf("Pipeline: Inject action received, stopping recording and finalizing transcription")
-				p.setStatus(Injecting)
-
-				// Stop the recorder first - this will close the frameCh channel
-				if err := recorder.Stop(); err != nil {
-					log.Printf("Pipeline: Error stopping recorder: %v", err)
-					p.sendError("Recording Error", "Failed to stop recorder during injection", err)
-				}
-
-				// Wait for the recorder to fully stop and frameCh to be closed
-				// The transcriber will process any remaining frames when frameCh closes
-				// Drain the frameCh to ensure it's fully closed
-				for range frameCh {
-					// Continue draining until channel is closed
-				}
-
-				// Stop the transcriber to ensure all buffered audio is processed
-				if err := t.Stop(ctx); err != nil {
-					log.Printf("Pipeline: Error stopping transcriber: %v", err)
-					p.sendError("Transcription Error", "Failed to stop transcriber during injection", err)
-				}
-
-				// Now get the final transcription which includes all processed audio
-				transcriptionText, err := t.GetTranscription()
-				if err != nil {
-					log.Printf("Pipeline: Error getting transcription: %v", err)
-					p.sendError("Transcription Error", "Failed to retrieve transcription", err)
-				} else {
-					log.Printf("Pipeline: Final transcription text: %s", transcriptionText)
-				}
-
-				log.Printf("Pipeline: Simulating injection work")
-				time.Sleep(10 * time.Millisecond)
-				log.Printf("Pipeline: Injection work done, returning to idle")
-				return
-			}
-
-		case <-ctx.Done():
-			log.Printf("Pipeline: Context cancelled, stopping")
-			return
-		}
-	}
-}

internal/recording/recording.go

@@ -87,21 +87,14 @@ func (r *Recorder) Start(ctx context.Context) (<-chan AudioFrame, <-chan error,
 	return frameCh, errCh, nil
 }
 
-func (r *Recorder) Stop() error {
+func (r *Recorder) Stop() {
 	if !r.recording.Load() {
-		return nil
+		return
 	}
 
-	r.mu.Lock()
+	r.requestCancel()
-	cancel := r.cancel
-	r.cancel = nil
-	r.mu.Unlock()
 
-	if cancel != nil {
-		cancel()
-	}
 	r.wg.Wait()
-	return nil
 }
 
 func (r *Recorder) captureLoop(ctx context.Context, frameCh chan<- AudioFrame, errCh chan<- error) {
@@ -110,12 +103,7 @@ func (r *Recorder) captureLoop(ctx context.Context, frameCh chan<- AudioFrame, e
 		close(errCh)
 		r.recording.Store(false)
 
-		// Ensure any child process is reaped.
 		r.mu.Lock()
-		if r.cmd != nil {
-			_ = r.cmd.Wait()
-			r.cmd = nil
-		}
 		r.cancel = nil
 		r.mu.Unlock()
 

internal/transcriber/simple_transcriber.go

@@ -61,7 +61,7 @@ func (t *SimpleTranscriber) Stop(ctx context.Context) error {
 	return t.transcribeAll(ctx)
 }
 
-func (t *SimpleTranscriber) GetTranscription() (string, error) {
+func (t *SimpleTranscriber) GetFinalTranscription() (string, error) {
 	t.transcriptionMu.RLock()
 	defer t.transcriptionMu.RUnlock()
 	return t.transcriptionText, nil

internal/transcriber/transcriber.go

@@ -3,6 +3,7 @@ package transcriber
 import (
 	"context"
 	"fmt"
+	"os"
 
 	"github.com/leonardotrapani/hyprvoice/internal/recording"
 )
@@ -11,7 +12,7 @@ import (
 type Transcriber interface {
 	Start(ctx context.Context, frameCh <-chan recording.AudioFrame) (<-chan error, error)
 	Stop(ctx context.Context) error
-	GetTranscription() (string, error)
+	GetFinalTranscription() (string, error)
 }
 
 // Adapter interface for different transcription backends
@@ -59,3 +60,12 @@ func NewTranscriber(config Config) (Transcriber, error) {
 
 	return transcriber, nil
 }
+
+func NewDefaultTranscriber() (Transcriber, error) {
+	config := DefaultConfig()
+	if apiKey := os.Getenv("OPENAI_API_KEY"); apiKey != "" {
+		config.APIKey = apiKey
+	}
+
+	return NewTranscriber(config)
+}