Fix download URL mismatch

internal/download/Download.go

@@ -20,12 +20,44 @@ type DownloadStatus struct {
 	Err error  // Error, if any
 }
 
+// ensureDir checks if a dire
+func ensureDir(path string) error {
+	info, err := os.Stat(path)
+	if err == nil {
+		if !info.IsDir() {
+			return fmt.Errorf("path exists but is not a directory: %s", path)
+		}
+		fmt.Printf("Directory already exists: %s\n", path)
+		return nil
+	}
+
+	if !os.IsNotExist(err) {
+		return fmt.Errorf("error checking path: %w", err)
+	}
+
+	// 0760 = rwxrw---- (owner: rwx, group: rw-, others: ---)
+	if err := os.MkdirAll(path, 0760); err != nil {
+		return fmt.Errorf("failed to create directory: %w", err)
+	}
+
+	logger.Info("Directory created: %s\n", path)
+	return nil
+}
+
 // DownloadAudioFiles downloads multiple audio files and sends progress updates
 // to the provided channel. The channel is closed when all downloads are complete.
 func DownloadAudioFiles(progressChan chan<- DownloadStatus, filenames []string, destDir string) {
 	defer close(progressChan)
 
-	urlBase := "https://files.rhemawavetech.com/audio/"
+	if err := ensureDir(destDir); err != nil {
+		logger.Error("failed to ensureDir %s %v", destDir, err)
+		progressChan <- DownloadStatus{
+			Msg: fmt.Sprintf("Failed to ensure directory exists: %v", err),
+			Err: err,
+		}
+	}
+
+	urlBase := "https://files.radiantwavetech.com/audio/"
 
 	// First, calculate the total size of files that need to be downloaded
 	totalSize := int64(0)
@@ -87,6 +119,8 @@ func DownloadAudioFiles(progressChan chan<- DownloadStatus, filenames []string,
 		url := urlBase + filename
 		destPath := filepath.Join(destDir, filename)
 
+		// Ensure the destination directory exists
+
 		// Create the destination file
 		out, err := os.Create(destPath)
 		if err != nil {
@@ -158,13 +192,6 @@ func DownloadAudioFiles(progressChan chan<- DownloadStatus, filenames []string,
 		}
 
 		out.Close()
-
-		// Send completion for this file
-		progressChan <- DownloadStatus{
-			Max: totalSize,
-			Cur: totalDownloaded,
-			Msg: "Finished Downloading",
-		}
 	}
 
 	// Send final status