65 lines
1.4 KiB
Go
65 lines
1.4 KiB
Go
package photoprism
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import (
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"bytes"
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"errors"
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"fmt"
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"os"
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"os/exec"
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"path/filepath"
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"github.com/photoprism/photoprism/pkg/clean"
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"github.com/photoprism/photoprism/pkg/fs"
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)
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// ToJson uses exiftool to export metadata to a json file.
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func (c *Convert) ToJson(f *MediaFile, force bool) (jsonName string, err error) {
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if f == nil {
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return "", fmt.Errorf("exiftool: file is nil - you may have found a bug")
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}
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jsonName, err = f.ExifToolJsonName()
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if err != nil {
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return "", nil
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}
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if fs.FileExists(jsonName) {
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return jsonName, nil
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}
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log.Debugf("exiftool: extracting metadata from %s", clean.Log(f.RootRelName()))
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cmd := exec.Command(c.conf.ExifToolBin(), "-n", "-m", "-api", "LargeFileSupport", "-j", f.FileName())
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// Fetch command output.
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var out bytes.Buffer
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var stderr bytes.Buffer
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cmd.Stdout = &out
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cmd.Stderr = &stderr
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cmd.Env = []string{fmt.Sprintf("HOME=%s", c.conf.CmdCachePath())}
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// Log exact command for debugging in trace mode.
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log.Trace(cmd.String())
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// Run convert command.
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if err := cmd.Run(); err != nil {
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if stderr.String() != "" {
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return "", errors.New(stderr.String())
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} else {
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return "", err
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}
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}
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// Write output to file.
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if err := os.WriteFile(jsonName, []byte(out.String()), fs.ModeFile); err != nil {
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return "", err
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}
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// Check if file exists.
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if !fs.FileExists(jsonName) {
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return "", fmt.Errorf("exiftool: failed creating %s", filepath.Base(jsonName))
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}
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return jsonName, err
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}
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