photoprism/internal/query/geo.go
Michael Mayer e78080b3a6 Backend: Increase search radius for S2 cell IDs
Signed-off-by: Michael Mayer <michael@liquidbytes.net>
2020-01-15 12:30:50 +01:00

89 lines
2.6 KiB
Go

package query
import (
"fmt"
"strings"
"time"
"github.com/photoprism/photoprism/internal/form"
"github.com/photoprism/photoprism/pkg/capture"
"github.com/photoprism/photoprism/pkg/pluscode"
"github.com/photoprism/photoprism/pkg/s2"
)
// GeoResult represents a photo for displaying it on a map.
type GeoResult struct {
PhotoLat float64 `json:"Lat"`
PhotoLng float64 `json:"Lng"`
PhotoUUID string `json:"PhotoUUID"`
PhotoTitle string `json:"PhotoTitle"`
FileHash string `json:"FileHash"`
FileWidth int `json:"FileWidth"`
FileHeight int `json:"FileHeight"`
TakenAt time.Time `json:"TakenAt"`
}
// Geo searches for photos based on a Form and returns a PhotoResult slice.
func (s *Repo) Geo(f form.GeoSearch) (results []GeoResult, err error) {
if err := f.ParseQueryString(); err != nil {
return results, err
}
defer log.Debug(capture.Time(time.Now(), fmt.Sprintf("search: %+v", f)))
q := s.db.NewScope(nil).DB()
// q.LogMode(true)
q = q.Table("photos").
Select(`photos.photo_uuid, photos.photo_lat, photos.photo_lng, photos.photo_title, photos.taken_at,
files.file_hash, files.file_width, files.file_height`).
Joins(`JOIN files ON files.photo_id = photos.id
AND files.file_missing = 0 AND files.file_primary AND files.deleted_at IS NULL`).
Where("photos.photo_lat <> 0").
Group("photos.id, files.id")
if f.Query != "" {
q = q.Joins("LEFT JOIN photos_keywords ON photos_keywords.photo_id = photos.id").
Joins("LEFT JOIN keywords ON photos_keywords.keyword_id = keywords.id").
Where("keywords.keyword LIKE ?", strings.ToLower(f.Query)+"%")
}
if f.S2 != "" {
s2Min, s2Max := s2.Range(f.S2, 5)
q = q.Where("photos.location_id BETWEEN ? AND ?", s2Min, s2Max)
} else if f.Olc != "" {
s2Min, s2Max := s2.Range(pluscode.S2(f.Olc), 5)
q = q.Where("photos.location_id BETWEEN ? AND ?", s2Min, s2Max)
} else {
// Inaccurate distance search, but probably 'good enough' for now
if f.Lat > 0 {
latMin := f.Lat - SearchRadius*float64(f.Dist)
latMax := f.Lat + SearchRadius*float64(f.Dist)
q = q.Where("photos.photo_lat BETWEEN ? AND ?", latMin, latMax)
}
if f.Lng > 0 {
lngMin := f.Lng - SearchRadius*float64(f.Dist)
lngMax := f.Lng + SearchRadius*float64(f.Dist)
q = q.Where("photos.photo_lng BETWEEN ? AND ?", lngMin, lngMax)
}
}
if !f.Before.IsZero() {
q = q.Where("photos.taken_at <= ?", f.Before.Format("2006-01-02"))
}
if !f.After.IsZero() {
q = q.Where("photos.taken_at >= ?", f.After.Format("2006-01-02"))
}
q = q.Order("taken_at, photos.photo_uuid")
if result := q.Scan(&results); result.Error != nil {
return results, result.Error
}
return results, nil
}