Add skeleton for a Discord bot

config.go

@@ -0,0 +1,37 @@
+package main
+
+import (
+	"encoding/json"
+	"io/ioutil"
+)
+
+func loadConfig() {
+	var c Config
+	confFile, err := ioutil.ReadFile(configFile)
+	if err != nil {
+		LogMsg("%+v\n", err)
+		return
+	}
+	err = json.Unmarshal([]byte(confFile), &c)
+	if err != nil {
+		LogMsg("%+v\n", err)
+		return
+	}
+	config = c
+
+	LogMsg("Setup completed using config file.")
+}
+
+func saveConfig() {
+	// defer log.PanicSafe()
+	file, err := json.Marshal(config)
+	if err != nil {
+		LogMsg("%+v\n", err)
+		// log.LogErrorType(err)
+	}
+	err = ioutil.WriteFile(configFile, file, 0600)
+	if err != nil {
+		LogMsg("%+v\n", err)
+		// log.LogErrorType(err)
+	}
+}

discord.go

@@ -1,5 +1,59 @@
 package main
 
+import (
+	"fmt"
+	"os"
+	"os/signal"
+	"strings"
+	"syscall"
+
+	"github.com/bwmarrin/discordgo"
+)
+
+var (
+	dg         *discordgo.Session
+)
+	
 func startDiscord() {
-	return
+
+	dg, _ = discordgo.New("Bot " + config.BotToken)
+	dg.AddHandler(messageCreate)
+	_ = dg.Open()
+	sc := make(chan os.Signal, 1)
+	signal.Notify(sc, syscall.SIGINT, syscall.SIGTERM, os.Interrupt, os.Kill)
+	<-sc
+	dg.Close()
+}
+
+func messageCreate(s *discordgo.Session, m *discordgo.MessageCreate) {
+	LogMsg("Detected incoming message.")
+	// Return if message came from a bot, or doesn't mention this bot
+	if m.Author.Bot || !strings.Contains(m.Content, s.State.User.ID) || !strings.Contains(config.GuildID, m.GuildID) {
+		LogMsg("Ignoring message.")
+		return
+	}
+	// Split input for use in command functions
+	parts := strings.Split(m.Content, " ")
+	b := BotCommand{
+		Session:   s,
+		Channel:   m.ChannelID,
+		Message:   m,
+		Command:   parts[1],
+		DiscordID: m.Author.ID,
+		Parts:     parts,
+	}
+	LogMsg("Command detected: %+v", b)
+
+	// No valid command found
+	b.Reply(fmt.Sprintf("Unknown command: %+v. Ping me with **iaadd** followed by a number or a link to the in-game screenshot of your score to record your Infinity Arena high score. Ping me with **pvpadd** followed by a number or a link to the in-game screenshot of your leaderboard high score to record your PvP leaderboard score. Ping me with **iacheck** or **pvpcheck** to request the information you have inserted.", b.Command))
+
+}
+
+// Reply will reply to the BotCommand.Message, tagging the sender. If b.Response is set, it will use that otherwise the string will be used
+func (b BotCommand) Reply(s string) {
+	if len(b.Response) > 0 {
+		b.Session.ChannelMessageSend(b.Channel, fmt.Sprintf("<@%+v>: %+v", b.DiscordID, b.Response))
+	} else {
+		b.Session.ChannelMessageSend(b.Channel, fmt.Sprintf("<@%+v>: %+v", b.DiscordID, s))
+	}
 }

go.mod

@@ -2,4 +2,7 @@ module git.hugfreevikings.wtf/GlassPorts/GlassPorts
 
 go 1.16
 
-require github.com/go-sql-driver/mysql v1.6.0
+require (
+	github.com/bwmarrin/discordgo v0.23.2
+	github.com/go-sql-driver/mysql v1.6.0
+)

go.sum

@@ -1,2 +1,8 @@
+github.com/bwmarrin/discordgo v0.23.2 h1:BzrtTktixGHIu9Tt7dEE6diysEF9HWnXeHuoJEt2fH4=
+github.com/bwmarrin/discordgo v0.23.2/go.mod h1:c1WtWUGN6nREDmzIpyTp/iD3VYt4Fpx+bVyfBG7JE+M=
 github.com/go-sql-driver/mysql v1.6.0 h1:BCTh4TKNUYmOmMUcQ3IipzF5prigylS7XXjEkfCHuOE=
 github.com/go-sql-driver/mysql v1.6.0/go.mod h1:DCzpHaOWr8IXmIStZouvnhqoel9Qv2LBy8hT2VhHyBg=
+github.com/gorilla/websocket v1.4.0 h1:WDFjx/TMzVgy9VdMMQi2K2Emtwi2QcUQsztZ/zLaH/Q=
+github.com/gorilla/websocket v1.4.0/go.mod h1:E7qHFY5m1UJ88s3WnNqhKjPHQ0heANvMoAMk2YaljkQ=
+golang.org/x/crypto v0.0.0-20181030102418-4d3f4d9ffa16 h1:y6ce7gCWtnH+m3dCjzQ1PCuwl28DDIc3VNnvY29DlIA=
+golang.org/x/crypto v0.0.0-20181030102418-4d3f4d9ffa16/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=

main.go

@@ -21,7 +21,13 @@ func init() {
 }
 
 func main() {
-	config.GuildID = ""
+	if configFile == "" {
+		fmt.Println("No config specified.")
+		return
+	} else {
+		loadConfig()
+	}
+	LogMsg("Config: %+v\n", config)
 	if strings.Contains("discord", mode) {
 		startDiscord()
 	} else if strings.Contains("api", mode) {

rest-api.go

@@ -1,5 +1,7 @@
 package main
 
+
+
 func startRest() {
 	return
 }

types.go

@@ -1,5 +1,7 @@
 package main
 
+import "github.com/bwmarrin/discordgo"
+
 type Config struct {
 	GuildID string
 
@@ -92,3 +94,13 @@ type AuthToken struct {
 	PreviousHash string
 	Current string
 }
+
+type BotCommand struct {
+	Channel   string
+	DiscordID string
+	Command   string
+	Message   *discordgo.MessageCreate
+	Session   *discordgo.Session
+	Parts     []string
+	Response  string
+}