92 lines
1.8 KiB
Go
92 lines
1.8 KiB
Go
package photoprism
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import (
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"errors"
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"log"
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"os"
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"os/exec"
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"path/filepath"
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)
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type Converter struct {
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darktableCli string
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}
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func NewConverter(darktableCli string) *Converter {
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if stat, err := os.Stat(darktableCli); err != nil {
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log.Print("Darktable CLI binary could not be found at " + darktableCli)
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} else if stat.IsDir() {
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log.Print("Darktable CLI must be a file, not a directory")
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}
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return &Converter{darktableCli: darktableCli}
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}
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func (c *Converter) ConvertAll(path string) {
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err := filepath.Walk(path, func(filename string, fileInfo os.FileInfo, err error) error {
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if err != nil {
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log.Print(err.Error())
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return nil
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}
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if fileInfo.IsDir() {
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return nil
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}
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mediaFile := NewMediaFile(filename)
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if !mediaFile.Exists() || !mediaFile.IsRaw() {
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return nil
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}
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if _, err := c.ConvertToJpeg(mediaFile); err != nil {
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log.Print(err.Error())
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}
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return nil
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})
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if err != nil {
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log.Print(err.Error())
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}
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}
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func (c *Converter) ConvertToJpeg(image *MediaFile) (*MediaFile, error) {
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if !image.Exists() {
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return nil, errors.New("can not convert, file does not exist")
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}
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if image.IsJpeg() {
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return image, nil
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}
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extension := image.GetExtension()
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baseFilename := image.filename[0 : len(image.filename)-len(extension)]
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jpegFilename := baseFilename + ".jpg"
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if _, err := os.Stat(jpegFilename); err == nil {
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return NewMediaFile(jpegFilename), nil
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}
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log.Printf("Converting %s to %s \n", image.filename, jpegFilename)
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xmpFilename := baseFilename + ".xmp"
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var convertCommand *exec.Cmd
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if _, err := os.Stat(xmpFilename); err == nil {
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convertCommand = exec.Command(c.darktableCli, image.filename, xmpFilename, jpegFilename)
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} else {
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convertCommand = exec.Command(c.darktableCli, image.filename, jpegFilename)
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}
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if err := convertCommand.Run(); err != nil {
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return nil, err
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}
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return NewMediaFile(jpegFilename), nil
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}
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