/
bot.go
184 lines (156 loc) · 4.68 KB
/
bot.go
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package main
import (
"errors"
"fmt"
"os"
"os/signal"
"runtime"
"syscall"
flag "github.com/bborbe/flagenv"
"github.com/playnet-public/democracy.bot/pkg/votes"
"github.com/bwmarrin/discordgo"
raven "github.com/getsentry/raven-go"
"github.com/golang/glog"
"github.com/kolide/kit/version"
"go.uber.org/zap"
"go.uber.org/zap/zapcore"
)
const (
app = "democracy.bot"
appKey = "democracy.bot"
)
var (
maxprocsPtr = flag.Int("maxprocs", runtime.NumCPU(), "max go procs")
sentryDsn = flag.String("sentrydsn", "", "sentry dsn key")
dbgPtr = flag.Bool("debug", false, "debug printing")
versionPtr = flag.Bool("version", true, "show or hide version info")
apiToken = flag.String("apiToken", "", "discord api token")
port = flag.String("port", "80", "auth server port")
callback = flag.String("callback", "http://localhost/callback", "oauth callback url")
clientID = flag.String("clientID", "", "oauth client id")
clientSecret = flag.String("clientSecret", "", "oauth client secret")
dbHost = flag.String("dbHost", "localhost", "db server host")
dbUser = flag.String("dbUser", "db", "db user")
dbName = flag.String("dbName", "db", "db name")
dbPassword = flag.String("dbPassword", "dev", "db password")
sentry *raven.Client
)
func main() {
flag.Parse()
if *versionPtr {
fmt.Printf("-- PlayNet %s --\n", app)
version.PrintFull()
}
runtime.GOMAXPROCS(*maxprocsPtr)
// prepare glog
defer glog.Flush()
glog.CopyStandardLogTo("info")
var zapFields []zapcore.Field
// hide app and version information when debugging
if !*dbgPtr {
zapFields = []zapcore.Field{
zap.String("app", appKey),
zap.String("version", version.Version().Version),
}
}
// prepare zap logging
log := newLogger(*dbgPtr).With(zapFields...)
defer log.Sync()
log.Info("preparing")
var err error
// prepare sentry error logging
sentry, err = raven.New(*sentryDsn)
if err != nil {
panic(err)
}
err = raven.SetDSN(*sentryDsn)
if err != nil {
panic(err)
}
errs := make(chan error)
// catch system interrupts
go func() {
c := make(chan os.Signal)
signal.Notify(c, syscall.SIGINT, syscall.SIGTERM)
errs <- fmt.Errorf("%s", <-c)
}()
// catch errors and throw fatal //TODO: is this good?
go func() {
ret := <-errs
if ret != nil {
log.Fatal(ret.Error())
}
}()
// run main code
log.Info("starting")
raven.CapturePanicAndWait(func() {
if err := do(log); err != nil {
log.Fatal("fatal error encountered", zap.Error(err))
raven.CaptureErrorAndWait(err, map[string]string{"isFinal": "true"})
errs <- err
}
}, nil)
log.Info("finished")
}
func do(log *zap.Logger) error {
if *apiToken == "" {
log.Error("no api token provided")
return errors.New("no api token provided")
}
log.Info("creating discord session")
discord, err := discordgo.New("Bot " + *apiToken)
if err != nil {
log.Error("failed to create discord session", zap.Error(err))
return err
}
voteHandler := votes.NewVoteHandler(log)
err = voteHandler.InitDB(*dbHost, *dbName, *dbUser, *dbPassword)
bot := votes.New(log)
bot.AddMessageHandler("reset", bot.ResetDemocracy)
bot.AddMessageHandler("vote", voteHandler.Vote)
bot.AddReactionHandler("Vote created", voteHandler.React)
bot.AddReactionHandler("[Vote]", voteHandler.React)
log.Info("adding handlers")
discord.AddHandler(bot.Ready)
discord.AddHandler(bot.MessageCreate)
discord.AddHandler(bot.ReactionAdd)
err = discord.Open()
if err != nil {
log.Error("failed to open discord session", zap.Error(err))
}
log.Info("running")
sc := make(chan os.Signal, 1)
signal.Notify(sc, syscall.SIGINT, syscall.SIGTERM, os.Interrupt, os.Kill)
<-sc
discord.Close()
return nil
}
//TODO: Move this to playnet common libs
func newLogger(dbg bool) *zap.Logger {
highPriority := zap.LevelEnablerFunc(func(lvl zapcore.Level) bool {
return lvl >= zapcore.ErrorLevel
})
lowPriority := zap.LevelEnablerFunc(func(lvl zapcore.Level) bool {
return lvl < zapcore.ErrorLevel
})
consoleDebugging := zapcore.Lock(os.Stdout)
consoleErrors := zapcore.Lock(os.Stderr)
consoleConfig := zap.NewDevelopmentEncoderConfig()
consoleEncoder := zapcore.NewConsoleEncoder(consoleConfig)
core := zapcore.NewTee(
zapcore.NewCore(consoleEncoder, consoleErrors, highPriority),
zapcore.NewCore(consoleEncoder, consoleDebugging, lowPriority),
)
logger := zap.New(core)
if dbg {
logger = logger.WithOptions(
zap.AddCaller(),
zap.AddStacktrace(zap.ErrorLevel),
)
} else {
logger = logger.WithOptions(
zap.AddStacktrace(zap.FatalLevel),
)
}
return logger
}