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main.go
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main.go
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package main
import (
"os"
"os/signal"
"syscall"
"github.com/bwmarrin/discordgo"
"github.com/jackc/pgx/v4/pgxpool"
"go.uber.org/zap"
)
var (
config botConfig
globalSettings map[string]guildSettings
channelBlacklist map[string][]string
db *pgxpool.Pool
)
var (
logger *zap.Logger
sugar *zap.SugaredLogger
dg *discordgo.Session
)
func loadDB() (err error) {
db, err = initDB()
if err != nil {
return err
}
channelBlacklist = getBlacklistAll()
globalSettings, err = getSettingsAll()
return err
}
// basic initialisation routines
func initialise() (err error) {
// initialise logger
logger, err = zap.NewDevelopment()
if err != nil {
return err
}
sugar = logger.Sugar()
// load config
config, err = getConfig()
if err != nil {
return err
}
// get discord session
dg, err = discordgo.New("Bot " + config.Auth.Token)
if err != nil {
return err
}
// open database connection and load state
err = loadDB()
if err != nil {
return err
}
return nil
}
func main() {
// run all init routines
err := initialise()
if err != nil {
panic(err)
}
// add message create handler for commands
dg.AddHandler(messageCreateCommand)
// add guild create handler to initialise data
dg.AddHandler(guildCreate)
dg.Identify.Intents = discordgo.MakeIntent(discordgo.IntentsGuildMessages | discordgo.IntentsGuilds | discordgo.IntentsGuildEmojis | discordgo.IntentsDirectMessages | discordgo.IntentsGuildMessageReactions)
err = dg.Open()
if err != nil {
panic(err)
}
// Defer this to make sure that things are always cleanly shutdown even in the event of a crash
defer func() {
dg.Close()
sugar.Infof("Disconnected from Discord.")
db.Close()
sugar.Infof("Closed database connection.")
logger.Sync()
}()
sugar.Infof("Connected to Discord. Press Ctrl-C or send an interrupt signal to stop.")
err = dg.UpdateStatus(0, "testing, use "+config.Bot.Prefixes[0]+"help")
if err != nil {
sugar.Errorw("UpdateStatus Error", "Error", err)
}
sc := make(chan os.Signal, 1)
signal.Notify(sc, syscall.SIGINT, syscall.SIGTERM, os.Interrupt, os.Kill)
<-sc
sugar.Infof("Interrupt signal received. Shutting down...")
}