91 lines
2.4 KiB
Go
91 lines
2.4 KiB
Go
package search
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import (
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"time"
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"github.com/gin-gonic/gin"
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geojson "github.com/paulmach/go.geojson"
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"github.com/photoprism/photoprism/internal/entity"
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)
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// GeoResult represents a photo geo search result.
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type GeoResult struct {
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ID string `json:"-" select:"photos.id"`
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PhotoUID string `json:"UID" select:"photos.photo_uid"`
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PhotoType string `json:"Type,omitempty" select:"photos.photo_type"`
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PhotoLat float32 `json:"Lat" select:"photos.photo_lat"`
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PhotoLng float32 `json:"Lng" select:"photos.photo_lng"`
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PhotoTitle string `json:"Title" select:"photos.photo_title"`
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PhotoDescription string `json:"Description,omitempty" select:"photos.photo_description"`
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PhotoFavorite bool `json:"Favorite,omitempty" select:"photos.photo_favorite"`
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FileHash string `json:"Hash" select:"files.file_hash"`
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FileWidth int `json:"Width" select:"files.file_width"`
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FileHeight int `json:"Height" select:"files.file_height"`
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TakenAt time.Time `json:"TakenAt" select:"photos.taken_at"`
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TakenAtLocal time.Time `json:"TakenAtLocal" select:"photos.taken_at_local"`
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}
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// Lat returns the position latitude.
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func (photo GeoResult) Lat() float64 {
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return float64(photo.PhotoLat)
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}
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// Lng returns the position longitude.
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func (photo GeoResult) Lng() float64 {
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return float64(photo.PhotoLng)
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}
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// GeoResults represents a list of geo search results.
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type GeoResults []GeoResult
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// GeoJSON returns results as specified on https://geojson.org/.
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func (photos GeoResults) GeoJSON() ([]byte, error) {
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fc := geojson.NewFeatureCollection()
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bbox := make([]float64, 4)
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bboxMin := func(pos int, val float64) {
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if bbox[pos] == 0.0 || bbox[pos] > val {
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bbox[pos] = val
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}
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}
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bboxMax := func(pos int, val float64) {
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if bbox[pos] == 0.0 || bbox[pos] < val {
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bbox[pos] = val
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}
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}
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for _, p := range photos {
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bboxMin(0, p.Lng())
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bboxMin(1, p.Lat())
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bboxMax(2, p.Lng())
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bboxMax(3, p.Lat())
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props := gin.H{
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"UID": p.PhotoUID,
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"Hash": p.FileHash,
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"TakenAt": p.TakenAt,
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"Title": p.PhotoTitle,
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}
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if p.PhotoType != entity.TypeImage && p.PhotoType != entity.TypeDefault {
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props["Type"] = p.PhotoType
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}
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if p.PhotoFavorite {
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props["Favorite"] = true
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}
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feat := geojson.NewPointFeature([]float64{p.Lng(), p.Lat()})
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feat.ID = p.ID
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feat.Properties = props
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fc.AddFeature(feat)
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}
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fc.BoundingBox = bbox
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return fc.MarshalJSON()
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}
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