mapserver/mapobjectdb/sqlite/mapobjects.go
2020-01-19 15:18:50 +01:00

123 lines
2.2 KiB
Go

package sqlite
import (
"database/sql"
"mapserver/coords"
"mapserver/mapobjectdb"
)
func (db *Sqlite3Accessor) GetMapData(q *mapobjectdb.SearchQuery) ([]*mapobjectdb.MapObject, error) {
var rows *sql.Rows
var err error
var limit = 1000
if q.Limit != nil {
limit = *q.Limit
}
if q.AttributeLike == nil {
//plain pos search
rows, err = db.db.Query(getMapDataPosQuery,
q.Type,
q.Pos1.X, q.Pos1.Y, q.Pos1.Z,
q.Pos2.X, q.Pos2.Y, q.Pos2.Z,
limit,
)
} else {
//attribute like search
rows, err = db.db.Query(getMapDataWithAttributeLikePosQuery,
q.AttributeLike.Key, q.AttributeLike.Value,
q.Type,
q.Pos1.X, q.Pos1.Y, q.Pos1.Z,
q.Pos2.X, q.Pos2.Y, q.Pos2.Z,
limit,
)
}
if err != nil {
return nil, err
}
defer rows.Close()
result := make([]*mapobjectdb.MapObject, 0)
var currentObj *mapobjectdb.MapObject
var currentId *int64
for rows.Next() {
var id int64
var Type string
var mtime int64
var x, y, z int
var posx, posy, posz int
var key, value string
err = rows.Scan(&id, &Type, &mtime,
&x, &y, &z, &posx, &posy, &posz,
&key, &value,
)
if err != nil {
return nil, err
}
if currentId == nil || *currentId != id {
pos := coords.NewMapBlockCoords(posx, posy, posz)
mo := &mapobjectdb.MapObject{
MBPos: pos,
Type: Type,
X: x,
Y: y,
Z: z,
Mtime: mtime,
Attributes: make(map[string]string),
}
currentObj = mo
currentId = &id
result = append(result, currentObj)
}
currentObj.Attributes[key] = value
}
return result, nil
}
func (db *Sqlite3Accessor) RemoveMapData(pos *coords.MapBlockCoords) error {
_, err := db.db.Exec(removeMapDataQuery, pos.X, pos.Y, pos.Z)
return err
}
func (db *Sqlite3Accessor) AddMapData(data *mapobjectdb.MapObject) error {
res, err := db.db.Exec(addMapDataQuery,
data.X, data.Y, data.Z,
data.MBPos.X, data.MBPos.Y, data.MBPos.Z,
data.Type, data.Mtime)
if err != nil {
return err
}
id, err := res.LastInsertId()
if err != nil {
return err
}
for k, v := range data.Attributes {
//TODO: batch insert
_, err := db.db.Exec(addMapDataAttributeQuery, id, k, v)
if err != nil {
return err
}
}
return nil
}