photoprism/internal/api/photo_search_geo.go
2021-09-19 13:35:44 +02:00

109 lines
2.2 KiB
Go

package api
import (
"net/http"
"github.com/photoprism/photoprism/internal/acl"
"github.com/photoprism/photoprism/internal/entity"
"github.com/photoprism/photoprism/internal/form"
"github.com/photoprism/photoprism/internal/search"
"github.com/photoprism/photoprism/pkg/txt"
"github.com/gin-gonic/gin"
"github.com/gin-gonic/gin/binding"
geojson "github.com/paulmach/go.geojson"
)
// SearchPhotosGeo performs a geo search with reduced metadata details for improved performance.
//
// GET /api/v1/geo
func SearchPhotosGeo(router *gin.RouterGroup) {
router.GET("/geo", func(c *gin.Context) {
s := Auth(SessionID(c), acl.ResourcePhotos, acl.ActionSearch)
if s.Invalid() {
AbortUnauthorized(c)
return
}
var f form.PhotoSearchGeo
err := c.MustBindWith(&f, binding.Form)
if err != nil {
AbortBadRequest(c)
return
}
photos, err := search.PhotosGeo(f)
if err != nil {
log.Warnf("search: %s", err)
AbortBadRequest(c)
return
}
fc := geojson.NewFeatureCollection()
bbox := make([]float64, 4)
bboxMin := func(pos int, val float64) {
if bbox[pos] == 0.0 || bbox[pos] > val {
bbox[pos] = val
}
}
bboxMax := func(pos int, val float64) {
if bbox[pos] == 0.0 || bbox[pos] < val {
bbox[pos] = val
}
}
for _, p := range photos {
bboxMin(0, p.Lng())
bboxMin(1, p.Lat())
bboxMax(2, p.Lng())
bboxMax(3, p.Lat())
props := gin.H{
"UID": p.PhotoUID,
"Hash": p.FileHash,
"Width": p.FileWidth,
"Height": p.FileHeight,
"TakenAt": p.TakenAt,
"Title": p.PhotoTitle,
}
if p.PhotoDescription != "" {
props["Description"] = p.PhotoDescription
}
if p.PhotoType != entity.TypeImage && p.PhotoType != entity.TypeDefault {
props["Type"] = p.PhotoType
}
if p.PhotoFavorite {
props["Favorite"] = true
}
feat := geojson.NewPointFeature([]float64{p.Lng(), p.Lat()})
feat.ID = p.ID
feat.Properties = props
fc.AddFeature(feat)
}
fc.BoundingBox = bbox
resp, err := fc.MarshalJSON()
if err != nil {
c.AbortWithStatusJSON(400, gin.H{"error": txt.UcFirst(err.Error())})
return
}
AddTokenHeaders(c)
c.Data(http.StatusOK, "application/json", resp)
})
}