rogueserver/api/stats.go
2025-09-16 15:01:00 -05:00

74 lines
1.6 KiB
Go

/*
Copyright (C) 2024 - 2025 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 api
import (
"log"
"time"
"github.com/robfig/cron/v3"
)
var (
scheduler = cron.New(cron.WithLocation(time.UTC))
playerCount int
battleCount int
classicSessionCount int
)
func scheduleStatRefresh[T updateStatsStore](store T) error {
_, err := scheduler.AddFunc("@every 30s", func() {
err := updateStats(store)
if err != nil {
log.Printf("failed to update stats: %s", err)
}
})
if err != nil {
return err
}
scheduler.Start()
return nil
}
type updateStatsStore interface {
FetchPlayerCount() (int, error)
FetchBattleCount() (int, error)
FetchClassicSessionCount() (int, error)
}
func updateStats[T updateStatsStore](store T) error {
var err error
playerCount, err = store.FetchPlayerCount()
if err != nil {
return err
}
battleCount, err = store.FetchBattleCount()
if err != nil {
return err
}
classicSessionCount, err = store.FetchClassicSessionCount()
if err != nil {
return err
}
return nil
}