steamServer/cmd/main.go

package main

import (
    "log"
    "net/http"

    "git.snrd.de/Spaenny/steamServer"
    "git.snrd.de/Spaenny/steamServer/postgres"
    "git.snrd.de/Spaenny/steamServer/web"
    "github.com/rumblefrog/go-a2s"
    "github.com/robfig/cron/v3"
)

func main() {
    dsn := "postgres://postgres:secret@postgres:5432/postgres?sslmode=disable"

    store, err := postgres.NewStore(dsn)
    if err != nil {
        log.Fatal(err)
    }

    ss, err := store.Servers()
    if err != nil {
        log.Fatal("There is an issue with the databse: %w", err)
    }

    for _, s := range ss {
        serverString := s.ServerIP
        c := cron.New()
        c.AddFunc("*/1 * * * *", func() { updateServers(serverString, store)  })
        c.Start()
    }

    
    h := web.NewHandler(store)
    http.ListenAndServe(":3000", h)
}

func updateServers(host string, store steamServer.Store) {
    client, err := a2s.NewClient(host)

    if err != nil {
        log.Fatal("Creation of client failed: %w", err)
        return
    }

    defer client.Close()

    info, err := client.QueryInfo()

    if err != nil {
        log.Printf("Querying failed: %s", err)
        return
    }

    log.Printf("%s - %s\n", host, info.Name)
    
    server := steamServer.Server {
        AppID: info.ID,
        Name: info.Name,
        Map: info.Map,
        Players: info.Players,
        MaxPlayers: info.MaxPlayers,
    }

    store.UpdateServerByQuery(&server, host)
}