50 lines
950 B
Go
50 lines
950 B
Go
package sqlite
|
|
|
|
import (
|
|
"mapserver/coords"
|
|
"mapserver/mapobjectdb"
|
|
)
|
|
|
|
func (db *Sqlite3Accessor) GetTile(pos *coords.TileCoords) (*mapobjectdb.Tile, error) {
|
|
rows, err := db.db.Query(getTileQuery, pos.LayerId, pos.X, pos.Y, pos.Zoom)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
defer rows.Close()
|
|
|
|
if rows.Next() {
|
|
var data []byte
|
|
var mtime int64
|
|
|
|
err = rows.Scan(&data, &mtime)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if data == nil {
|
|
return nil, nil
|
|
}
|
|
|
|
mb := mapobjectdb.Tile{
|
|
Pos: pos,
|
|
Data: data,
|
|
Mtime: mtime,
|
|
}
|
|
|
|
return &mb, nil
|
|
}
|
|
|
|
return nil, nil
|
|
}
|
|
|
|
func (db *Sqlite3Accessor) SetTile(tile *mapobjectdb.Tile) error {
|
|
_, err := db.db.Exec(setTileQuery, tile.Pos.X, tile.Pos.Y, tile.Pos.Zoom, tile.Pos.LayerId, tile.Data, tile.Mtime)
|
|
return err
|
|
}
|
|
|
|
func (db *Sqlite3Accessor) RemoveTile(pos *coords.TileCoords) error {
|
|
_, err := db.db.Exec(removeTileQuery, pos.X, pos.Y, pos.Zoom, pos.LayerId)
|
|
return err
|
|
}
|