/
imageexif.go
134 lines (119 loc) · 3.85 KB
/
imageexif.go
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package icopy
import (
"context"
"os"
"path"
"strings"
"time"
"github.com/rs/zerolog"
"github.com/rwcarlsen/goexif/exif"
)
func ReadJpegDate(ctx context.Context, src_dirname string, recursive bool) ([]FileObject, []ErroredFileObject) {
logger := ctx.Value("logger").(zerolog.Logger)
logger.Info().Msg("Reading image files")
de, err := os.ReadDir(src_dirname)
if err != nil {
logger.Panic().Err(err).Msg("Failed to read directory")
}
imageFiles := []FileObject{}
erroredFiles := []ErroredFileObject{}
tm := time.Time{}
for _, file := range de {
if file.IsDir() {
if recursive {
logger.Info().Msgf("Recursively reading directory: %s", file.Name())
imageFiles1, erroredFiles1 := ReadJpegDate(ctx, path.Join(src_dirname, file.Name()), recursive)
imageFiles = append(imageFiles, imageFiles1...)
erroredFiles = append(erroredFiles, erroredFiles1...)
}
} else {
logger.Info().Msgf("Reading file: %s", file.Name())
fpath := path.Join(src_dirname, file.Name())
if strings.HasSuffix(strings.ToLower(file.Name()), ".jpg") || strings.HasSuffix(strings.ToLower(file.Name()), ".jpeg") {
logger.Info().Msgf("Reading file: %s", file.Name())
fd, err := os.Open(fpath) // Open the source file for reading
if err != nil {
logger.Panic().Err(err).Msgf("Failed to open file: %s", fpath)
}
defer fd.Close()
x, err := exif.Decode(fd)
if err != nil {
errMsg := err.Error()
logger.Info().Msgf("Error: %s", errMsg)
if errMsg == "EOF" {
fi, err := os.Stat(fpath)
if err == nil {
tm = fi.ModTime()
}
} else if strings.HasPrefix(strings.TrimSpace(errMsg), "exif: error reading 4 byte header") {
fi, err := os.Stat(fpath)
if err == nil {
tm = fi.ModTime()
}
} else {
erroredFiles = append(erroredFiles, ErroredFileObject{
DateTime: time.Now(), Name: file.Name(), Path: src_dirname,
ErrorMessage: err.Error(),
})
continue
}
} else {
tm, _ = x.DateTime()
}
imageFiles = append(imageFiles, FileObject{DateTime: tm, Name: file.Name(), Path: src_dirname})
} else if strings.HasSuffix(strings.ToLower(file.Name()), ".gif") ||
strings.HasSuffix(strings.ToLower(file.Name()), ".png") ||
strings.HasSuffix(strings.ToLower(file.Name()), ".bmp") ||
strings.HasSuffix(strings.ToLower(file.Name()), ".heic") {
logger.Info().Msgf("Reading Other file: %s", file.Name())
fi, err := os.Stat(fpath)
if err != nil {
logger.Panic().Err(err).Msgf("Failed to open file: %s", fpath)
}
tm = fi.ModTime()
imageFiles = append(imageFiles, FileObject{DateTime: tm, Name: file.Name(), Path: src_dirname})
}
}
}
return imageFiles, erroredFiles
// files, err := ioutil.ReadDir(src_dirname)
// if err != nil {
// panic(err)
// }
// imageFiles := []FileObject{}
// erroredFiles := []ErroredFileObject{}
// tm := time.Time{}
// for _, file := range files {
// fpath := path.Join(src_dirname, file.Name())
// ext := strings.ToLower(fpath[len(fpath)-4:])
// if ext == ".jpg" || ext == "jpeg" {
// f, err := os.Open(fpath)
// if err != nil {
// log.Fatal("Failed to read file", err)
// panic(err)
// }
// defer f.Close()
// x, err := exif.Decode(f)
// if err != nil {
// errMsg := err.Error()
// logger.Info().Msgf("Error:", errMsg)
// if errMsg == "EOF" {
// fi, err := os.Stat(fpath)
// if err == nil {
// tm = fi.ModTime()
// }
// } else {
// erroredFiles = append(erroredFiles, ErroredFileObject{
// DateTime: time.Now(), Name: file.Name(), Path: src_dirname,
// ErrorMessage: err.Error(),
// })
// continue
// }
// } else {
// tm, _ = x.DateTime()
// }
// imageFiles = append(imageFiles, FileObject{DateTime: tm, Name: file.Name(), Path: src_dirname})
// }
// }
// return imageFiles, erroredFiles
}