62 lines
1.2 KiB
Go
62 lines
1.2 KiB
Go
package photoprism
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import (
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"github.com/rwcarlsen/goexif/exif"
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"github.com/rwcarlsen/goexif/mknote"
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"time"
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"errors"
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"strings"
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"log"
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)
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type ExifData struct {
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DateTime time.Time
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CameraModel string
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Lat float64
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Long float64
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}
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func (mediaFile *MediaFile) GetExifData() (*ExifData, error) {
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if mediaFile.exifData != nil {
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log.Printf("GetExifData() Cache Hit %s", mediaFile.filename)
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return mediaFile.exifData, nil
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}
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log.Printf("GetExifData() Cache Miss %s", mediaFile.filename)
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if !mediaFile.IsJpeg() {
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// EXIF only works for JPEG
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return nil, errors.New("MediaFile is not a JPEG")
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}
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mediaFile.exifData = &ExifData{}
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log.Printf("GetExifData() Open File %s", mediaFile.filename)
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file, err := mediaFile.openFile()
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if err != nil {
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return mediaFile.exifData, err
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}
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defer file.Close()
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exif.RegisterParsers(mknote.All...)
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x, err := exif.Decode(file)
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if err != nil {
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return mediaFile.exifData, err
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}
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camModel, _ := x.Get(exif.Model)
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mediaFile.exifData.CameraModel = strings.Replace(camModel.String(), "\"", "", -1)
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tm, _ := x.DateTime()
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mediaFile.exifData.DateTime = tm
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lat, long, _ := x.LatLong()
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mediaFile.exifData.Lat = lat
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mediaFile.exifData.Long = long
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return mediaFile.exifData, nil
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} |