105 lines
2.8 KiB
Go
105 lines
2.8 KiB
Go
package photoprism
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import (
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"fmt"
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"encoding/json"
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"net/http"
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"github.com/jinzhu/gorm"
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"strconv"
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"errors"
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)
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type Location struct {
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gorm.Model
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DisplayName string
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Lat float64
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Long float64
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City string
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Postcode string
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County string
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State string
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Country string
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CountryCode string
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LocationCategory string
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LocationType string
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Favorite bool
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}
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type OpenstreetmapAddress struct {
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Town string `json:"town"`
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City string `json:"city"`
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Postcode string `json:"postcode"`
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County string `json:"county"`
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State string `json:"state"`
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Country string `json:"country"`
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CountryCode string `json:"country_code"`
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}
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type OpenstreetmapLocation struct {
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PlaceId string `json:"place_id"`
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Lat string `json:"lat"`
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Lon string `json:"lon"`
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Category string `json:"category"`
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Type string `json:"type"`
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DisplayName string `json:"display_name"`
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Address *OpenstreetmapAddress `json:"address"`
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}
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// See https://wiki.openstreetmap.org/wiki/Nominatim#Reverse_Geocoding
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func (m *MediaFile) GetLocation() (*Location, error) {
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if m.location != nil {
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return m.location, nil
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}
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location := &Location{}
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openstreetmapLocation := &OpenstreetmapLocation{
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Address: &OpenstreetmapAddress{},
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}
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if exifData, err := m.GetExifData(); err == nil {
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url := fmt.Sprintf("https://nominatim.openstreetmap.org/reverse?lat=%f&lon=%f&format=jsonv2", exifData.Lat, exifData.Long)
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if res, err := http.Get(url); err == nil {
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json.NewDecoder(res.Body).Decode(openstreetmapLocation)
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} else {
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return nil, err
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}
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} else {
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return nil, err
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}
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if id, err := strconv.Atoi(openstreetmapLocation.PlaceId); err == nil && id > 0 {
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location.ID = uint(id)
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} else {
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return nil, errors.New("no location found")
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}
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if openstreetmapLocation.Address.City != "" {
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location.City = openstreetmapLocation.Address.City
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} else {
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location.City = openstreetmapLocation.Address.Town
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}
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if lat, err := strconv.ParseFloat(openstreetmapLocation.Lat, 64); err == nil {
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location.Lat = lat
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}
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if lon, err := strconv.ParseFloat(openstreetmapLocation.Lon, 64); err == nil {
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location.Long = lon
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}
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location.Postcode = openstreetmapLocation.Address.Postcode
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location.County = openstreetmapLocation.Address.County
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location.State = openstreetmapLocation.Address.State
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location.Country = openstreetmapLocation.Address.Country
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location.CountryCode = openstreetmapLocation.Address.CountryCode
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location.DisplayName = openstreetmapLocation.DisplayName
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location.LocationCategory = openstreetmapLocation.Category
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location.LocationType = openstreetmapLocation.Type
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m.location = location
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return m.location, nil
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}
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