Function transcodeImageWithMeta

pkg/chat/attach.go:215–226

transcodeImageWithMeta runs bytes through ResizeImage to normalise the image to JPEG or PNG within provider limits, then wraps the result in a Document. Returns the [ImageResizeResult] so callers can emit dimension notes.

(name string, data []byte, mimeType string)

// to JPEG or PNG within provider limits, then wraps the result in a Document.
// Returns the [ImageResizeResult] so callers can emit dimension notes.
func transcodeImageWithMeta(name string, data []byte, mimeType string) (Document, *ImageResizeResult, error) {
	result, err := ResizeImage(data, mimeType)
	if err != nil {
		return Document{}, nil, fmt.Errorf("ProcessAttachment: transcode image %q: %w", name, err)
	}
	return Document{
		Name:     name,
		MimeType: result.MimeType,
		Size:     int64(len(result.Data)),
		Source:   DocumentSource{InlineData: result.Data},
	}, result, nil
}

// parseDataURI parses a data URI of the form "data:<mime>;base64,<payload>".
// Returns the MIME type and decoded bytes.