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package processor
import (
"fmt"
"io"
"os"
"path/filepath"
)
// processAudio copies an .mp3 file into destDir and returns an HTML <audio> snippet.
// The audio element has controls enabled so visitors can play it inline.
func processAudio(srcPath, destDir, postID string) (filename, htmlContent string, err error) {
outName := filepath.Base(srcPath)
outPath := filepath.Join(destDir, outName)
if err := copyFile(srcPath, outPath); err != nil {
return "", "", err
}
// The src attribute is relative to the site root.
src := fmt.Sprintf("posts/%s/%s", postID, outName)
html := fmt.Sprintf(
`<audio controls class="post-audio"><source src="%s" type="audio/mpeg">Your browser does not support audio.</audio>`,
src,
)
return outName, html, nil
}
// copyFile copies the file at src to dst, creating dst if it does not exist.
func copyFile(src, dst string) error {
in, err := os.Open(src)
if err != nil {
return fmt.Errorf("open source %s: %w", src, err)
}
defer in.Close()
out, err := os.Create(dst)
if err != nil {
return fmt.Errorf("create dest %s: %w", dst, err)
}
defer out.Close()
if _, err := io.Copy(out, in); err != nil {
return fmt.Errorf("copy %s → %s: %w", src, dst, err)
}
return nil
}
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