rogueserver/db/savedata.go

135 lines
3.4 KiB
Go

/*
Copyright (C) 2024 Pagefault Games
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package db
import (
"bytes"
"encoding/gob"
"github.com/pagefaultgames/rogueserver/defs"
)
func TryAddDailyRunCompletion(uuid []byte, seed string, mode int) (bool, error) {
var count int
err := handle.QueryRow("SELECT COUNT(*) FROM dailyRunCompletions WHERE uuid = ? AND seed = ?", uuid, seed).Scan(&count)
if err != nil {
return false, err
} else if count > 0 {
return false, nil
}
_, err = handle.Exec("INSERT INTO dailyRunCompletions (uuid, seed, mode, timestamp) VALUES (?, ?, ?, UTC_TIMESTAMP())", uuid, seed, mode)
if err != nil {
return false, err
}
return true, nil
}
func ReadSystemSaveData(uuid []byte) (defs.SystemSaveData, error) {
var system defs.SystemSaveData
var data []byte
err := handle.QueryRow("SELECT data FROM systemSaveData WHERE uuid = ?", uuid).Scan(&data)
if err != nil {
return system, err
}
err = gob.NewDecoder(bytes.NewReader(data)).Decode(&system)
if err != nil {
return system, err
}
return system, nil
}
func StoreSystemSaveData(uuid []byte, data defs.SystemSaveData) error {
var buf bytes.Buffer
err := gob.NewEncoder(&buf).Encode(data)
if err != nil {
return err
}
_, err = handle.Exec("REPLACE INTO systemSaveData (uuid, data, timestamp) VALUES (?, ?, UTC_TIMESTAMP())", uuid, buf.Bytes())
if err != nil {
return err
}
return nil
}
func DeleteSystemSaveData(uuid []byte) error {
_, err := handle.Exec("DELETE FROM systemSaveData WHERE uuid = ?", uuid)
if err != nil {
return err
}
return nil
}
func ReadSessionSaveData(uuid []byte, slot int) (defs.SessionSaveData, error) {
var session defs.SessionSaveData
var data []byte
err := handle.QueryRow("SELECT data FROM sessionSaveData WHERE uuid = ? AND slot = ?", uuid, slot).Scan(&data)
if err != nil {
return session, err
}
err = gob.NewDecoder(bytes.NewReader(data)).Decode(&session)
if err != nil {
return session, err
}
return session, nil
}
func GetLatestSessionSaveDataSlot(uuid []byte) (int, error) {
var slot int
err := handle.QueryRow("SELECT slot FROM sessionSaveData WHERE uuid = ? ORDER BY timestamp DESC, slot ASC LIMIT 1", uuid).Scan(&slot)
if err != nil {
return -1, err
}
return slot, nil
}
func StoreSessionSaveData(uuid []byte, data defs.SessionSaveData, slot int) error {
var buf bytes.Buffer
err := gob.NewEncoder(&buf).Encode(data)
if err != nil {
return err
}
_, err = handle.Exec("REPLACE INTO sessionSaveData (uuid, slot, data, timestamp) VALUES (?, ?, ?, UTC_TIMESTAMP())", uuid, slot, buf.Bytes())
if err != nil {
return err
}
return nil
}
func DeleteSessionSaveData(uuid []byte, slot int) error {
_, err := handle.Exec("DELETE FROM sessionSaveData WHERE uuid = ? AND slot = ?", uuid, slot)
if err != nil {
return err
}
return nil
}