func (p *Proximity) Search(p0, p1 s2.LatLng) []s2.CellID {
boundRect := s2.RectFromLatLng(p0)
boundRect = boundRect.AddPoint(p1)
startToken := []byte(s2.CellIDFromLatLng(boundRect.Hi()).ToToken())
endToken := []byte(s2.CellIDFromLatLng(boundRect.Lo()).ToToken())
results := []s2.CellID{}
p.DB.View(func(tx *bolt.Tx) error {
cursor := tx.Bucket([]byte("proximity")).Cursor()
for k, _ := cursor.Seek(startToken); k != nil && bytes.Compare(k, endToken) <= 0; k, _ = cursor.Next() {
cell := s2.CellIDFromToken(string(k))
results = append(results, cell)
}
return nil
})
return results
}
func (p *Proximity) Match(p0, p1 s2.LatLng) bool {
boundRect := s2.RectFromLatLng(p0)
boundRect = boundRect.AddPoint(p1)
startToken := []byte(s2.CellIDFromLatLng(boundRect.Hi()).ToToken())
endToken := []byte(s2.CellIDFromLatLng(boundRect.Lo()).ToToken())
found := false
p.DB.View(func(tx *bolt.Tx) error {
cursor := tx.Bucket([]byte("proximity")).Cursor()
for k, _ := cursor.Seek(startToken); k != nil && bytes.Compare(k, endToken) <= 0; k, _ = cursor.Next() {
found = true
break
}
return nil
})
return found
}