photoprism/internal/api/geo.go

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package api
import (
"net/http"
"github.com/photoprism/photoprism/internal/acl"
"github.com/photoprism/photoprism/internal/entity"
"github.com/photoprism/photoprism/internal/query"
"github.com/photoprism/photoprism/pkg/txt"
"github.com/gin-gonic/gin"
"github.com/gin-gonic/gin/binding"
"github.com/photoprism/photoprism/internal/form"
geojson "github.com/paulmach/go.geojson"
)
// GET /api/v1/geo
func GetGeo(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.GeoSearch
err := c.MustBindWith(&f, binding.Form)
if err != nil {
AbortBadRequest(c)
return
}
photos, err := query.Geo(f)
if err != nil {
c.AbortWithStatusJSON(400, gin.H{"error": txt.UcFirst(err.Error())})
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
}
c.Data(http.StatusOK, "application/json", resp)
})
}