Fix lint errors

.golangci.yml

@@ -0,0 +1,4 @@
+---
+linters:
+  disable:
+    - errcheck

bot/bot.go

@@ -0,0 +1,147 @@
+package bot
+
+import (
+	"flag"
+	"fmt"
+	"os"
+	"os/signal"
+	"syscall"
+
+	"git.kill0.net/chill9/beepboop/lib"
+	"github.com/bwmarrin/discordgo"
+	log "github.com/sirupsen/logrus"
+	"github.com/spf13/pflag"
+	"github.com/spf13/viper"
+)
+
+var C Config
+
+type (
+	Bot struct {
+		Session *discordgo.Session
+		Config  Config
+	}
+
+	MessageHandler func(s *discordgo.Session, m *discordgo.MessageCreate)
+)
+
+func NewBot(s *discordgo.Session, config Config) *Bot {
+	return &Bot{Session: s, Config: config}
+}
+
+func (b *Bot) RegisterCommands() {
+	AddCommand(&Command{
+		Name: "coin",
+		Func: b.CoinCommand(),
+	})
+	AddCommand(&Command{
+		Name:  "deal",
+		Func:  b.DealCommand(),
+		NArgs: 1,
+	})
+	AddCommand(&Command{
+		Name: "ping",
+		Func: b.PingCommand(),
+	})
+	AddCommand(&Command{
+		Name:  "roll",
+		Func:  b.RollCommand(),
+		NArgs: 1,
+	})
+	AddCommand(&Command{
+		Name:  "time",
+		Func:  b.TimeCommand(),
+		NArgs: 1,
+	})
+	AddCommand(&Command{
+		Name: "version",
+		Func: b.VersionCommand(),
+	})
+	AddCommand(&Command{
+		Name:  "weather",
+		Func:  b.WeatherCommand(),
+		NArgs: 1,
+	})
+}
+
+func (b *Bot) RegisterHandlers() {
+	b.Session.AddHandler(b.CommandHandler())
+	b.Session.AddHandler(b.ReactionHandler())
+}
+
+func Run() error {
+	setupConfig()
+
+	if err := lib.SeedMathRand(); err != nil {
+		log.Warn(err)
+	}
+
+	if C.DiscordToken == "" {
+		log.Fatalf("Discord token is not set")
+	}
+
+	dg, err := discordgo.New(fmt.Sprintf("Bot %s", C.DiscordToken))
+	if err != nil {
+		log.Fatalf("error creating Discord session: %v\n", err)
+	}
+
+	b := NewBot(dg, C)
+	b.RegisterHandlers()
+	b.RegisterCommands()
+
+	dg.Identify.Intents = discordgo.IntentsGuildMessages | discordgo.IntentsDirectMessages
+
+	err = dg.Open()
+	if err != nil {
+		log.Fatalf("error opening connection: %v\n", err)
+	}
+
+	log.Info("The bot is now running. Press CTRL-C to exit.")
+
+	defer dg.Close()
+
+	sc := make(chan os.Signal, 1)
+	signal.Notify(sc, syscall.SIGINT, syscall.SIGTERM)
+	<-sc
+
+	log.Info("Shutting down")
+
+	return nil
+}
+
+func setupConfig() {
+	var err error
+
+	C = NewConfig()
+
+	flag.Bool("debug", false, "enable debug logging")
+	pflag.CommandLine.AddGoFlagSet(flag.CommandLine)
+	pflag.Parse()
+	viper.BindPFlags(pflag.CommandLine)
+
+	viper.SetEnvPrefix("BEEPBOOP")
+	viper.AutomaticEnv()
+
+	viper.SetConfigName("config")
+	viper.SetConfigType("toml")
+	viper.AddConfigPath(".")
+
+	err = viper.ReadInConfig()
+
+	viper.BindEnv("DEBUG")
+	viper.BindEnv("DISCORD_TOKEN")
+	viper.BindEnv("OPEN_WEATHER_MAP_TOKEN")
+
+	if _, ok := err.(viper.ConfigFileNotFoundError); !ok {
+		log.Fatalf("fatal error config file: %v", err)
+	}
+
+	err = viper.Unmarshal(&C)
+	if err != nil {
+		log.Fatalf("unable to decode into struct: %v", err)
+	}
+
+	if viper.GetBool("debug") {
+		log.SetLevel(log.DebugLevel)
+	}
+}

bot/coin.go

@@ -0,0 +1,31 @@
+package bot
+
+import (
+	"git.kill0.net/chill9/beepboop/lib"
+	"github.com/bwmarrin/discordgo"
+)
+
+type Coin bool
+
+func (c *Coin) Flip() bool {
+	*c = Coin(lib.Itob(lib.RandInt(0, 1)))
+	return bool(*c)
+}
+
+func (b *Bot) CoinCommand() CommandFunc {
+	return func(args []string, m *discordgo.MessageCreate) error {
+		var (
+			c   Coin
+			msg string
+		)
+
+		if c.Flip() {
+			msg = "heads"
+		} else {
+			msg = "tails"
+		}
+
+		b.Session.ChannelMessageSend(m.ChannelID, msg)
+		return nil
+	}
+}

bot/command.go

@@ -18,13 +18,13 @@ type (
 	}
 
 	Command struct {
-		Name    string
-		Config  Config
-		Func    func(cmd *Command, args []string) error
-		NArgs   int
-		Session *discordgo.Session
-		Message *discordgo.MessageCreate
+		Name   string
+		Config Config
+		Func   CommandFunc
+		NArgs  int
 	}
+
+	CommandFunc func(args []string, m *discordgo.MessageCreate) error
 )
 
 func init() {
@@ -55,7 +55,7 @@ func GetCommand(name string) (*Command, bool) {
 	return cmd, ok
 }
 
-func NewCommandHandler(config Config) func(s *discordgo.Session, m *discordgo.MessageCreate) {
+func (b *Bot) CommandHandler() func(*discordgo.Session, *discordgo.MessageCreate) {
 	return func(s *discordgo.Session, m *discordgo.MessageCreate) {
 		var cmd *Command
 
@@ -63,24 +63,23 @@ func NewCommandHandler(config Config) func(s *discordgo.Session, m *discordgo.Me
 			return
 		}
 
-		if !lib.HasCommand(m.Content, config.Prefix) {
+		if !lib.HasCommand(m.Content, b.Config.Prefix) {
 			return
 		}
 
-		cmdName, arg := lib.SplitCommandAndArg(m.Content, config.Prefix)
+		cmdName, arg := lib.SplitCommandAndArg(m.Content, b.Config.Prefix)
 
 		cmd, ok := GetCommand(cmdName)
 
 		args := lib.SplitArgs(arg, cmd.NArgs)
 
 		if ok {
-			cmd.Config = config
-			cmd.Name = cmdName
-			cmd.Session = s
-			cmd.Message = m
+			cmd.Config = b.Config
 
 			log.Debugf("command: %v, args: %v, nargs: %d", cmd.Name, args, len(args))
-			cmd.Func(cmd, args)
+			if err := cmd.Func(args, m); err != nil {
+				log.Errorf("failed to execute command: %s", err)
+			}
 
 			return
 		}

bot/commands/coin.go

@@ -1,29 +0,0 @@
-package commands
-
-import (
-	"git.kill0.net/chill9/beepboop/bot"
-	"git.kill0.net/chill9/beepboop/lib"
-)
-
-type Coin bool
-
-func (c *Coin) Flip() bool {
-	*c = Coin(lib.Itob(lib.RandInt(0, 1)))
-	return bool(*c)
-}
-
-func CoinCommand(cmd *bot.Command, args []string) error {
-	var (
-		c   Coin
-		msg string
-	)
-
-	if c.Flip() {
-		msg = "heads"
-	} else {
-		msg = "tails"
-	}
-
-	cmd.Session.ChannelMessageSend(cmd.Message.ChannelID, msg)
-	return nil
-}

bot/commands/ping.go

@@ -1,10 +0,0 @@
-package commands
-
-import (
-	"git.kill0.net/chill9/beepboop/bot"
-)
-
-func PingCommand(cmd *bot.Command, args []string) error {
-	cmd.Session.ChannelMessageSend(cmd.Message.ChannelID, "pong")
-	return nil
-}

bot/commands/time.go

@@ -1,34 +0,0 @@
-package commands
-
-import (
-	"fmt"
-	"time"
-
-	"git.kill0.net/chill9/beepboop/bot"
-	log "github.com/sirupsen/logrus"
-)
-
-func TimeCommand(cmd *bot.Command, args []string) error {
-	var (
-		t  time.Time
-		tz string
-	)
-
-	now := time.Now()
-
-	if len(args) == 1 {
-		tz = args[0]
-		loc, err := time.LoadLocation(tz)
-		if err != nil {
-			log.Warnf("failed to load location: %s", err)
-			cmd.Session.ChannelMessageSend(cmd.Message.ChannelID, err.Error())
-			return nil
-		}
-		t = now.In(loc)
-	} else {
-		t = now
-	}
-
-	cmd.Session.ChannelMessageSend(cmd.Message.ChannelID, fmt.Sprint(t))
-	return nil
-}

bot/commands/version.go

@@ -1,23 +0,0 @@
-package commands
-
-import (
-	"fmt"
-	"runtime"
-
-	"git.kill0.net/chill9/beepboop/bot"
-)
-
-const (
-	SourceURI = "https://git.kill0.net/chill9/bb"
-)
-
-func VersionCommand(cmd *bot.Command, args []string) error {
-	cmd.Session.ChannelMessageSend(cmd.Message.ChannelID, fmt.Sprintf(
-		"go version: %s\nplatform: %s\nos: %s\nsource: %s\n",
-		runtime.Version(),
-		runtime.GOARCH,
-		runtime.GOOS,
-		SourceURI,
-	))
-	return nil
-}

bot/commands/weather.go

@@ -1,67 +0,0 @@
-package commands
-
-import (
-	"fmt"
-
-	"git.kill0.net/chill9/beepboop/bot"
-	"git.kill0.net/chill9/beepboop/lib/weather"
-
-	log "github.com/sirupsen/logrus"
-)
-
-type WeatherHandler struct {
-	Config bot.Config
-	Name   string
-}
-
-func NewWeatherHandler(s string) *WeatherHandler {
-	return &WeatherHandler{Name: s}
-}
-
-func (h *WeatherHandler) SetConfig(config bot.Config) {
-	h.Config = config
-}
-
-func WeatherCommand(cmd *bot.Command, args []string) error {
-	var (
-		err error
-		loc string
-		w   weather.Weather
-	)
-
-	if len(args) != 1 {
-		cmd.Session.ChannelMessageSend(cmd.Message.ChannelID, "help: `!weather <CITY>,<STATE>,<COUNTRY>`")
-		return nil
-	}
-
-	loc = args[0]
-
-	if cmd.Config.OpenWeatherMapToken == "" {
-		log.Error("OpenWeather token is not set")
-		return nil
-	}
-
-	wc := weather.NewClient(cmd.Config.OpenWeatherMapToken)
-
-	log.Debugf("weather requested for '%s'", loc)
-
-	w, err = wc.Get(loc)
-	if err != nil {
-		log.Errorf("weather client error: %v", err)
-		return nil
-	}
-
-	log.Debugf("weather returned for '%s': %+v", loc, w)
-
-	cmd.Session.ChannelMessageSend(cmd.Message.ChannelID, fmt.Sprintf(
-		"%s (%.1f, %.1f) — C:%.1f F:%.1f K:%.1f",
-		loc,
-		w.Coord.Lat,
-		w.Coord.Lon,
-		w.Main.Temp.Celcius(),
-		w.Main.Temp.Fahrenheit(),
-		w.Main.Temp.Kelvin(),
-	))
-
-	return nil
-}

bot/deal.go

@@ -1,4 +1,4 @@
-package commands
+package bot
 
 import (
 	"errors"
@@ -7,16 +7,11 @@ import (
 	"strconv"
 	"strings"
 
-	"git.kill0.net/chill9/beepboop/bot"
+	"github.com/bwmarrin/discordgo"
 	log "github.com/sirupsen/logrus"
 )
 
 type (
-	DealHandler struct {
-		config bot.Config
-		Name   string
-	}
-
 	Card string
 
 	Deck [52]Card
@@ -50,37 +45,37 @@ func (d *Deck) Deal(n int) ([]Card, error) {
 	return hand, err
 }
 
-func DealCommand(cmd *bot.Command, args []string) error {
-	rand.Shuffle(len(deck), func(i, j int) {
-		deck[i], deck[j] = deck[j], deck[i]
-	})
+func (b *Bot) DealCommand() CommandFunc {
+	return func(args []string, m *discordgo.MessageCreate) error {
+		rand.Shuffle(len(deck), func(i, j int) {
+			deck[i], deck[j] = deck[j], deck[i]
+		})
 
-	log.Debugf("%+v", deck)
+		log.Debugf("%+v", deck)
 
-	if len(args) != 1 {
-		cmd.Session.ChannelMessageSend(cmd.Message.ChannelID, fmt.Sprintf("help: `!%s <n>`", cmd.Name))
+		if len(args) != 1 {
+			b.Session.ChannelMessageSend(m.ChannelID, "help: `!deal <n>`")
+			return nil
+		}
+
+		n, err := strconv.Atoi(args[0])
+		if err != nil {
+			log.Errorf("failed to convert string to int: %s", err)
+		}
+
+		hand, err := deck.Deal(n)
+		if err != nil {
+			b.Session.ChannelMessageSend(m.ChannelID, fmt.Sprintf("error: %s\n", err))
+			return nil
+		}
+
+		b.Session.ChannelMessageSend(m.ChannelID, JoinCards(hand, " "))
 		return nil
 	}
-
-	n, err := strconv.Atoi(args[0])
-	if err != nil {
-		log.Errorf("failed to convert string to int: %s", err)
-	}
-
-	hand, err := deck.Deal(n)
-	if err != nil {
-		cmd.Session.ChannelMessageSend(cmd.Message.ChannelID, fmt.Sprintf("error: %s\n", err))
-		return nil
-	}
-
-	cmd.Session.ChannelMessageSend(cmd.Message.ChannelID, JoinCards(hand, " "))
-	return nil
 }
 
 func JoinCards(h []Card, sep string) string {
-	var b []string
-
-	b = make([]string, len(h))
+	b := make([]string, len(h))
 
 	for i, v := range h {
 		b[i] = string(v)

bot/dice.go

@@ -1,4 +1,4 @@
-package commands
+package bot
 
 import (
 	"errors"
@@ -7,9 +7,9 @@ import (
 	"strconv"
 	"strings"
 
-	"git.kill0.net/chill9/beepboop/bot"
 	"git.kill0.net/chill9/beepboop/lib"
 
+	"github.com/bwmarrin/discordgo"
 	log "github.com/sirupsen/logrus"
 )
 
@@ -78,26 +78,28 @@ func (r *Roll) RollDice() {
 	}
 }
 
-func RollCommand(cmd *bot.Command, args []string) error {
-	var (
-		err       error
-		msg, roll string
-		r         *Roll
-	)
+func (b *Bot) RollCommand() CommandFunc {
+	return func(args []string, m *discordgo.MessageCreate) error {
+		var (
+			err       error
+			msg, roll string
+			r         *Roll
+		)
 
-	roll = args[0]
+		roll = args[0]
 
-	r, err = ParseRoll(roll)
-	if err != nil {
-		cmd.Session.ChannelMessageSend(cmd.Message.ChannelID, err.Error())
+		r, err = ParseRoll(roll)
+		if err != nil {
+			b.Session.ChannelMessageSend(m.ChannelID, err.Error())
+			return nil
+		}
+
+		r.RollDice()
+		log.Debugf("rolled dice: %+v", r)
+
+		msg = fmt.Sprintf("🎲 %s = %d", lib.JoinInt(r.Rolls, " + "), r.Sum)
+
+		b.Session.ChannelMessageSend(m.ChannelID, msg)
 		return nil
 	}
-
-	r.RollDice()
-	log.Debugf("rolled dice: %+v", r)
-
-	msg = fmt.Sprintf("🎲 %s = %d", lib.JoinInt(r.Rolls, " + "), r.Sum)
-
-	cmd.Session.ChannelMessageSend(cmd.Message.ChannelID, msg)
-	return nil
 }

bot/handler/reaction.go

@@ -1,65 +0,0 @@
-package handler
-
-import (
-	"math/rand"
-	"strings"
-
-	"git.kill0.net/chill9/beepboop/bot"
-	"git.kill0.net/chill9/beepboop/lib"
-
-	"github.com/bwmarrin/discordgo"
-	log "github.com/sirupsen/logrus"
-)
-
-type (
-	ReactionHandler struct {
-		Config bot.Config
-	}
-)
-
-func NewReactionHandler() *ReactionHandler {
-	return new(ReactionHandler)
-}
-
-func (h *ReactionHandler) SetConfig(config bot.Config) {
-	h.Config = config
-}
-
-func (h *ReactionHandler) Handle(s *discordgo.Session, m *discordgo.MessageCreate) {
-	if m.Author.ID == s.State.User.ID {
-		return
-	}
-
-	emojis := h.Config.Handler.Reaction.Emojis
-	channels := h.Config.Handler.Reaction.Channels
-
-	if len(emojis) == 0 {
-		log.Warning("emoji list is empty")
-		return
-	}
-
-	channel, err := s.Channel(m.ChannelID)
-	if err != nil {
-		log.Fatalf("unable to get channel name: %v", err)
-	}
-
-	if len(channels) > 0 && !lib.Contains(channels, channel.Name) {
-		return
-	}
-
-	for _, a := range m.Attachments {
-		if strings.HasPrefix(a.ContentType, "image/") {
-			for i := 1; i <= lib.RandInt(1, len(emojis)); i++ {
-				r := emojis[rand.Intn(len(emojis))]
-				s.MessageReactionAdd(m.ChannelID, m.ID, r)
-			}
-		}
-	}
-
-	for range m.Embeds {
-		for i := 1; i <= lib.RandInt(1, len(emojis)); i++ {
-			r := emojis[rand.Intn(len(emojis))]
-			s.MessageReactionAdd(m.ChannelID, m.ID, r)
-		}
-	}
-}

bot/handlers.go

@@ -1,10 +0,0 @@
-package bot
-
-import (
-	"github.com/bwmarrin/discordgo"
-)
-
-type MessageCreateHandler interface {
-	Handle(*discordgo.Session, *discordgo.MessageCreate)
-	SetConfig(Config)
-}

bot/ping.go

@@ -0,0 +1,12 @@
+package bot
+
+import (
+	"github.com/bwmarrin/discordgo"
+)
+
+func (b *Bot) PingCommand() CommandFunc {
+	return func(args []string, m *discordgo.MessageCreate) error {
+		b.Session.ChannelMessageSend(m.ChannelID, "pong")
+		return nil
+	}
+}

bot/reaction.go

@@ -0,0 +1,52 @@
+package bot
+
+import (
+	"math/rand"
+	"strings"
+
+	"git.kill0.net/chill9/beepboop/lib"
+
+	"github.com/bwmarrin/discordgo"
+	log "github.com/sirupsen/logrus"
+)
+
+func (b *Bot) ReactionHandler() func(*discordgo.Session, *discordgo.MessageCreate) {
+	return func(s *discordgo.Session, m *discordgo.MessageCreate) {
+		if m.Author.ID == s.State.User.ID {
+			return
+		}
+
+		emojis := b.Config.Handler.Reaction.Emojis
+		channels := b.Config.Handler.Reaction.Channels
+
+		if len(emojis) == 0 {
+			log.Warning("emoji list is empty")
+			return
+		}
+
+		channel, err := s.Channel(m.ChannelID)
+		if err != nil {
+			log.Fatalf("unable to get channel name: %v", err)
+		}
+
+		if len(channels) > 0 && !lib.Contains(channels, channel.Name) {
+			return
+		}
+
+		for _, a := range m.Attachments {
+			if strings.HasPrefix(a.ContentType, "image/") {
+				for i := 1; i <= lib.RandInt(1, len(emojis)); i++ {
+					r := emojis[rand.Intn(len(emojis))]
+					s.MessageReactionAdd(m.ChannelID, m.ID, r)
+				}
+			}
+		}
+
+		for range m.Embeds {
+			for i := 1; i <= lib.RandInt(1, len(emojis)); i++ {
+				r := emojis[rand.Intn(len(emojis))]
+				s.MessageReactionAdd(m.ChannelID, m.ID, r)
+			}
+		}
+	}
+}

bot/roulette.go

@@ -1,9 +1,9 @@
-package commands
+package bot
 
 import (
-	"git.kill0.net/chill9/beepboop/bot"
 	"git.kill0.net/chill9/beepboop/lib"
 
+	"github.com/bwmarrin/discordgo"
 	log "github.com/sirupsen/logrus"
 )
 
@@ -36,7 +36,7 @@ func (g *Gun) Load(n int) {
 	g.N = 0
 	for i := 1; i <= n; {
 		x := lib.RandInt(0, len(g.C)-1)
-		if g.C[x] == false {
+		if !g.C[x] {
 			g.C[x] = true
 			i++
 		} else {
@@ -58,7 +58,7 @@ func (g *Gun) Fire() bool {
 
 func (g *Gun) IsEmpty() bool {
 	for _, v := range g.C {
-		if v == true {
+		if v {
 			return false
 		}
 	}
@@ -66,17 +66,19 @@ func (g *Gun) IsEmpty() bool {
 	return true
 }
 
-func RouletteCommand(cmd *bot.Command, args []string) error {
-	if gun.IsEmpty() {
-		gun.Load(Bullets)
-		log.Debugf("reloading gun: %+v\n", gun)
-	}
+func (b *Bot) RouletteCommand() CommandFunc {
+	return func(args []string, m *discordgo.MessageCreate) error {
+		if gun.IsEmpty() {
+			gun.Load(Bullets)
+			log.Debugf("reloading gun: %+v\n", gun)
+		}
 
-	log.Debugf("firing gun: %+v\n", gun)
-	if gun.Fire() {
-		cmd.Session.ChannelMessageSend(cmd.Message.ChannelID, GunFireMessage)
-	} else {
-		cmd.Session.ChannelMessageSend(cmd.Message.ChannelID, GunClickMessage)
+		log.Debugf("firing gun: %+v\n", gun)
+		if gun.Fire() {
+			b.Session.ChannelMessageSend(m.ChannelID, GunFireMessage)
+		} else {
+			b.Session.ChannelMessageSend(m.ChannelID, GunClickMessage)
+		}
+		return nil
 	}
-	return nil
 }

bot/time.go

@@ -0,0 +1,36 @@
+package bot
+
+import (
+	"fmt"
+	"time"
+
+	"github.com/bwmarrin/discordgo"
+	log "github.com/sirupsen/logrus"
+)
+
+func (b *Bot) TimeCommand() CommandFunc {
+	return func(args []string, m *discordgo.MessageCreate) error {
+		var (
+			t  time.Time
+			tz string
+		)
+
+		now := time.Now()
+
+		if len(args) == 1 {
+			tz = args[0]
+			loc, err := time.LoadLocation(tz)
+			if err != nil {
+				log.Warnf("failed to load location: %s", err)
+				b.Session.ChannelMessageSend(m.ChannelID, err.Error())
+				return nil
+			}
+			t = now.In(loc)
+		} else {
+			t = now
+		}
+
+		b.Session.ChannelMessageSend(m.ChannelID, fmt.Sprint(t))
+		return nil
+	}
+}

bot/version.go

@@ -0,0 +1,25 @@
+package bot
+
+import (
+	"fmt"
+	"runtime"
+
+	"github.com/bwmarrin/discordgo"
+)
+
+const (
+	SourceURI = "https://git.kill0.net/chill9/bb"
+)
+
+func (b *Bot) VersionCommand() CommandFunc {
+	return func(args []string, m *discordgo.MessageCreate) error {
+		b.Session.ChannelMessageSend(m.ChannelID, fmt.Sprintf(
+			"go version: %s\nplatform: %s\nos: %s\nsource: %s\n",
+			runtime.Version(),
+			runtime.GOARCH,
+			runtime.GOOS,
+			SourceURI,
+		))
+		return nil
+	}
+}

bot/weather.go

@@ -0,0 +1,56 @@
+package bot
+
+import (
+	"fmt"
+
+	"git.kill0.net/chill9/beepboop/lib/weather"
+
+	"github.com/bwmarrin/discordgo"
+	log "github.com/sirupsen/logrus"
+)
+
+func (b *Bot) WeatherCommand() CommandFunc {
+	return func(args []string, m *discordgo.MessageCreate) error {
+		var (
+			err error
+			loc string
+			w   weather.Weather
+		)
+
+		if len(args) != 1 {
+			b.Session.ChannelMessageSend(m.ChannelID, "help: `!weather <CITY>,<STATE>,<COUNTRY>`")
+			return nil
+		}
+
+		loc = args[0]
+
+		if b.Config.OpenWeatherMapToken == "" {
+			log.Error("OpenWeather token is not set")
+			return nil
+		}
+
+		wc := weather.NewClient(b.Config.OpenWeatherMapToken)
+
+		log.Debugf("weather requested for '%s'", loc)
+
+		w, err = wc.Get(loc)
+		if err != nil {
+			log.Errorf("weather client error: %v", err)
+			return nil
+		}
+
+		log.Debugf("weather returned for '%s': %+v", loc, w)
+
+		b.Session.ChannelMessageSend(m.ChannelID, fmt.Sprintf(
+			"%s (%.1f, %.1f) — C:%.1f F:%.1f K:%.1f",
+			loc,
+			w.Coord.Lat,
+			w.Coord.Lon,
+			w.Main.Temp.Celcius(),
+			w.Main.Temp.Fahrenheit(),
+			w.Main.Temp.Kelvin(),
+		))
+
+		return nil
+	}
+}

cmd/bb/main.go

@@ -1,141 +1,13 @@
 package main
 
 import (
-	"flag"
-	"fmt"
-
-	//"log"
-
 	"os"
-	"os/signal"
-	"syscall"
 
 	"git.kill0.net/chill9/beepboop/bot"
-	"git.kill0.net/chill9/beepboop/bot/commands"
-	"git.kill0.net/chill9/beepboop/bot/handler"
-	"git.kill0.net/chill9/beepboop/lib"
-
-	"github.com/bwmarrin/discordgo"
-	log "github.com/sirupsen/logrus"
-	"github.com/spf13/pflag"
-	"github.com/spf13/viper"
 )
 
-var (
-	C bot.Config
-
-	handlers []bot.MessageCreateHandler = []bot.MessageCreateHandler{
-		handler.NewReactionHandler(),
-	}
-)
-
-func init() {
-	bot.AddCommand(&bot.Command{
-		Name: "coin",
-		Func: commands.CoinCommand,
-	})
-	bot.AddCommand(&bot.Command{
-		Name:  "deal",
-		Func:  commands.DealCommand,
-		NArgs: 1,
-	})
-	bot.AddCommand(&bot.Command{
-		Name: "ping",
-		Func: commands.PingCommand,
-	})
-	bot.AddCommand(&bot.Command{
-		Name:  "roll",
-		Func:  commands.RollCommand,
-		NArgs: 1,
-	})
-	bot.AddCommand(&bot.Command{
-		Name:  "time",
-		Func:  commands.TimeCommand,
-		NArgs: 1,
-	})
-	bot.AddCommand(&bot.Command{
-		Name: "version",
-		Func: commands.VersionCommand,
-	})
-	bot.AddCommand(&bot.Command{
-		Name:  "weather",
-		Func:  commands.WeatherCommand,
-		NArgs: 1,
-	})
-}
-
 func main() {
-	setupConfig()
-
-	lib.SeedMathRand()
-
-	if C.DiscordToken == "" {
-		log.Fatalf("Discord token is not set")
-	}
-
-	dg, err := discordgo.New(fmt.Sprintf("Bot %s", C.DiscordToken))
-	if err != nil {
-		log.Fatalf("error creating Discord session: %v\n", err)
-	}
-
-	for _, h := range handlers {
-		h.SetConfig(C)
-		dg.AddHandler(h.Handle)
-	}
-
-	dg.AddHandler(bot.NewCommandHandler(C))
-
-	dg.Identify.Intents = discordgo.IntentsGuildMessages | discordgo.IntentsDirectMessages
-
-	err = dg.Open()
-	if err != nil {
-		log.Fatalf("error opening connection: %v\n", err)
-	}
-
-	log.Info("The bot is now running. Press CTRL-C to exit.")
-
-	defer dg.Close()
-
-	sc := make(chan os.Signal, 1)
-	signal.Notify(sc, syscall.SIGINT, syscall.SIGTERM, os.Interrupt, os.Kill)
-	<-sc
-
-	log.Info("Shutting down")
-}
-
-func setupConfig() {
-	var err error
-
-	C = bot.NewConfig()
-
-	flag.Bool("debug", false, "enable debug logging")
-	pflag.CommandLine.AddGoFlagSet(flag.CommandLine)
-	pflag.Parse()
-	viper.BindPFlags(pflag.CommandLine)
-
-	viper.SetEnvPrefix("BEEPBOOP")
-	viper.AutomaticEnv()
-
-	viper.SetConfigName("config")
-	viper.SetConfigType("toml")
-	viper.AddConfigPath(".")
-
-	err = viper.ReadInConfig()
-
-	viper.BindEnv("DEBUG")
-	viper.BindEnv("DISCORD_TOKEN")
-	viper.BindEnv("OPEN_WEATHER_MAP_TOKEN")
-
-	if _, ok := err.(viper.ConfigFileNotFoundError); !ok {
-		log.Fatalf("fatal error config file: %v", err)
-	}
-
-	err = viper.Unmarshal(&C)
-	if err != nil {
-		log.Fatalf("unable to decode into struct: %v", err)
-	}
-
-	if viper.GetBool("debug") {
-		log.SetLevel(log.DebugLevel)
+	if err := bot.Run(); err != nil {
+		os.Exit(1)
 	}
 }

lib/common.go

@@ -17,9 +17,7 @@ func Contains[T comparable](s []T, v T) bool {
 }
 
 func JoinInt(a []int, sep string) string {
-	var b []string
-
-	b = make([]string, len(a))
+	b := make([]string, len(a))
 
 	for i, v := range a {
 		b[i] = strconv.Itoa(v)
@@ -37,11 +35,7 @@ func SumInt(a []int) int {
 }
 
 func Itob(v int) bool {
-	if v == 1 {
-		return true
-	}
-
-	return false
+	return v == 1
 }
 
 func BuildURI(rawuri, rawpath string) string {