Add verbose logging to download.DownloadAudioFiles

internal/download/Download.go

@@ -49,6 +49,8 @@ func ensureDir(path string) error {
 func DownloadAudioFiles(progressChan chan<- DownloadStatus, filenames []string, destDir string) {
 	defer close(progressChan)
 
+	logger.Info("Starting downloads")
+
 	if err := ensureDir(destDir); err != nil {
 		logger.Error("failed to ensureDir %s %v", destDir, err)
 		progressChan <- DownloadStatus{
@@ -65,11 +67,13 @@ func DownloadAudioFiles(progressChan chan<- DownloadStatus, filenames []string,
 	totalDownloaded := int64(0)
 
 	for _, filename := range filenames {
+		logger.Info("Downloading %s", filename)
 		destPath := filepath.Join(destDir, filename)
 		// Check if the file already exists
 		url := urlBase + filename
 		resp, err := http.Head(url)
 		if err != nil {
+			logger.Warning("Failed to get size for %s: %v", filename, err)
 			progressChan <- DownloadStatus{
 				Msg: fmt.Sprintf("Failed to get size for %s: %v", filename, err),
 				Err: err,
@@ -77,6 +81,7 @@ func DownloadAudioFiles(progressChan chan<- DownloadStatus, filenames []string,
 			return
 		}
 		if resp.StatusCode != http.StatusOK {
+			logger.Error("Failed to get size for %s: status %s", filename, resp.Status)
 			progressChan <- DownloadStatus{
 				Msg: fmt.Sprintf("Failed to get size for %s: status %s", filename, resp.Status),
 				Err: fmt.Errorf("bad status: %s", resp.Status),
@@ -86,9 +91,9 @@ func DownloadAudioFiles(progressChan chan<- DownloadStatus, filenames []string,
 		fileStat, err := os.Stat(destPath)
 		// If the file is incomplete, or does not exist
 		if os.IsNotExist(err) || fileStat.Size() != resp.ContentLength {
-			// Oh, and log a warning if the file is not complete
+			// log a warning if the file is not complete
 			if !os.IsNotExist(err) {
-				logger.Warning("%s incomplete/corrupt. Adding to download queue.", filename)
+				logger.Warning("%s corrupt. Adding to download queue.", filename)
 			} else {
 				logger.Info("%s not found. Adding to download queue.", filename)
 			}
@@ -124,6 +129,7 @@ func DownloadAudioFiles(progressChan chan<- DownloadStatus, filenames []string,
 		// Create the destination file
 		out, err := os.Create(destPath)
 		if err != nil {
+			logger.Error("Failed to create file %s: %v", destPath, err)
 			progressChan <- DownloadStatus{
 				Msg: fmt.Sprintf("Failed to create file %s: %v", destPath, err),
 				Err: err,
@@ -136,6 +142,7 @@ func DownloadAudioFiles(progressChan chan<- DownloadStatus, filenames []string,
 		if err != nil {
 			out.Close()
 			os.Remove(destPath)
+			logger.Error("Failed to download %s: %v", filename, err)
 			progressChan <- DownloadStatus{
 				Msg: fmt.Sprintf("Failed to download %s: %v", filename, err),
 				Err: err,
@@ -147,6 +154,7 @@ func DownloadAudioFiles(progressChan chan<- DownloadStatus, filenames []string,
 		if resp.StatusCode != http.StatusOK {
 			out.Close()
 			os.Remove(destPath)
+			logger.Error("Failed to download %s: status %s", filename, resp.Status)
 			progressChan <- DownloadStatus{
 				Msg: fmt.Sprintf("Failed to download %s: status %s", filename, resp.Status),
 				Err: fmt.Errorf("bad status: %s", resp.Status),
@@ -161,6 +169,7 @@ func DownloadAudioFiles(progressChan chan<- DownloadStatus, filenames []string,
 			if err != nil && err != io.EOF {
 				out.Close()
 				os.Remove(destPath)
+				logger.Error("Failed to read %s: %v", filename, err)
 				progressChan <- DownloadStatus{
 					Msg: fmt.Sprintf("Failed to read %s: %v", filename, err),
 					Err: err,
@@ -175,6 +184,7 @@ func DownloadAudioFiles(progressChan chan<- DownloadStatus, filenames []string,
 			if _, err := out.Write(buf[:n]); err != nil {
 				out.Close()
 				os.Remove(destPath)
+				logger.Error("Failed to write %s: %v", filename, err)
 				progressChan <- DownloadStatus{
 					Msg: fmt.Sprintf("Failed to write %s: %v", filename, err),
 					Err: err,
@@ -200,4 +210,5 @@ func DownloadAudioFiles(progressChan chan<- DownloadStatus, filenames []string,
 		Cur: totalDownloaded,
 		Msg: "All audio downloads completed!",
 	}
+	logger.Info("All audio downloads complete!")
 }