74 lines
1.3 KiB
Go
74 lines
1.3 KiB
Go
package photoprism
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import (
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"errors"
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"github.com/rwcarlsen/goexif/exif"
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"github.com/rwcarlsen/goexif/mknote"
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"strings"
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"time"
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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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UniqueID string
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Lat float64
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Long float64
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Thumbnail []byte
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}
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func (m *MediaFile) GetExifData() (*ExifData, error) {
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if m == nil {
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return nil, errors.New("media file is null")
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}
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if m.exifData != nil {
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return m.exifData, nil
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}
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if !m.IsPhoto() {
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return nil, errors.New("not a JPEG or Raw file")
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}
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m.exifData = &ExifData{}
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file, err := m.openFile()
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if err != nil {
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return m.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 m.exifData, err
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}
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if camModel, err := x.Get(exif.Model); err == nil {
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m.exifData.CameraModel = strings.Replace(camModel.String(), "\"", "", -1)
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}
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if tm, err := x.DateTime(); err == nil {
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m.exifData.DateTime = tm
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}
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if lat, long, err := x.LatLong(); err == nil {
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m.exifData.Lat = lat
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m.exifData.Long = long
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}
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if thumbnail, err := x.JpegThumbnail(); err == nil {
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m.exifData.Thumbnail = thumbnail
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}
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if uniqueId, err := x.Get(exif.ImageUniqueID); err == nil {
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m.exifData.UniqueID = uniqueId.String()
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}
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return m.exifData, nil
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}
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