discord-minecraft-whitelist.../app/bot.go

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package app
import (
"flag"
"log"
"os"
"os/signal"
"github.com/bwmarrin/discordgo"
"github.com/gorcon/rcon"
)
var dbPath string
var db MemberUsernameMap
var conn *rcon.Conn
func Run() {
// parse CLI options and get config
configPath := *(flag.String("config", "config.json", "path to config.json file"))
dbPath = *(flag.String("db", "db.json", "path to db.json file"))
flag.Parse()
// load config
config, err := GetConfig(configPath)
if err != nil {
log.Fatalf("Error when reading config file: %s", err)
}
// load db or create new empty db
db, err = LoadDB(dbPath)
if err != nil {
log.Fatalf("Error when reading config file: %s", err)
}
// open rconn connection
conn, err = rcon.Dial(config.RCON, config.Password)
if err != nil {
log.Fatalf("Failed to open rcon connection: %s", err.Error())
}
// create new session
s, err := discordgo.New("Bot " + config.Token)
if err != nil {
log.Fatalf("Invalid bot parameters: %v", err)
}
// attach slash command listener
s.AddHandler(func(s *discordgo.Session, i *discordgo.InteractionCreate) {
if h, ok := commandHandlers[i.ApplicationCommandData().Name]; ok {
h(s, i)
}
})
// attach session connected listener
s.AddHandler(func(s *discordgo.Session, r *discordgo.Ready) {
log.Printf("Logged in as: %v#%v", s.State.User.Username, s.State.User.Discriminator)
})
// overwrite registered commands
log.Println("Bulk overwriting commands")
_, err = s.ApplicationCommandBulkOverwrite(config.AppID, config.GuildID, commands)
if err != nil {
log.Fatalf("Failed to bulk overwrite commands: %s", err.Error())
}
// open session
err = s.Open()
if err != nil {
log.Fatalf("Cannot open the session: %v", err)
}
defer s.Close()
defer conn.Close()
stop := make(chan os.Signal, 1)
signal.Notify(stop, os.Interrupt)
log.Println("Press Ctrl+C to exit")
<-stop
}