You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
425 lines
12 KiB
425 lines
12 KiB
package main
|
|
|
|
import (
|
|
"context"
|
|
"errors"
|
|
"flag"
|
|
"fmt"
|
|
"log"
|
|
"net/http"
|
|
"os"
|
|
"os/signal"
|
|
"strconv"
|
|
"strings"
|
|
"syscall"
|
|
|
|
"github.com/bwmarrin/discordgo"
|
|
|
|
"go.wperron.io/themis"
|
|
)
|
|
|
|
const (
|
|
CONN_STRING_PATTERN = "file:%s?cache=shared&mode=rw&_journal_mode=WAL"
|
|
)
|
|
|
|
var (
|
|
dbFile = flag.String("db", "", "SQlite database file path")
|
|
|
|
store *themis.Store
|
|
)
|
|
|
|
type Handler func(s *discordgo.Session, i *discordgo.InteractionCreate)
|
|
|
|
func main() {
|
|
ctx, cancel := signal.NotifyContext(context.Background(), syscall.SIGTERM, syscall.SIGKILL, syscall.SIGINT)
|
|
defer cancel()
|
|
|
|
flag.Parse()
|
|
|
|
err := touchDbFile(*dbFile)
|
|
if err != nil {
|
|
log.Fatalln("fatal error: failed to touch database file:", err)
|
|
}
|
|
|
|
connString := fmt.Sprintf(CONN_STRING_PATTERN, *dbFile)
|
|
|
|
store, err = themis.NewStore(connString)
|
|
if err != nil {
|
|
log.Fatalln("fatal error: failed to initialize database:", err)
|
|
}
|
|
|
|
authToken, ok := os.LookupEnv("DISCORD_TOKEN")
|
|
if !ok {
|
|
log.Fatalln("fatal error: no auth token found at DISCORD_TOKEN env var")
|
|
}
|
|
|
|
appId, ok := os.LookupEnv("DISCORD_APP_ID")
|
|
if !ok {
|
|
log.Fatalln("fatal error: no app id found at DISCORD_TOKEN env var")
|
|
}
|
|
|
|
guildId, ok := os.LookupEnv("DISCORD_GUILD_ID")
|
|
if !ok {
|
|
log.Fatalln("fatal error: no guild id found at DISCORD_TOKEN env var")
|
|
}
|
|
|
|
discord, err := discordgo.New(fmt.Sprintf("Bot %s", authToken))
|
|
if err != nil {
|
|
log.Fatalln("fatal error: failed to create discord app:", err)
|
|
}
|
|
|
|
log.Printf("connected to discord: app_id=%s, guild_id=%s\n", appId, guildId)
|
|
|
|
commands := []*discordgo.ApplicationCommand{
|
|
{
|
|
Name: "ping",
|
|
Description: "Ping Themis",
|
|
Type: discordgo.ChatApplicationCommand,
|
|
},
|
|
{
|
|
Name: "list-claims",
|
|
Description: "List current claims",
|
|
Type: discordgo.ChatApplicationCommand,
|
|
},
|
|
{
|
|
Name: "claim",
|
|
Description: "Take a claim on provinces",
|
|
Type: discordgo.ChatApplicationCommand,
|
|
Options: []*discordgo.ApplicationCommandOption{
|
|
{
|
|
Name: "claim-type",
|
|
Description: "one of `area`, `region` or `trade`",
|
|
Type: discordgo.ApplicationCommandOptionString,
|
|
Choices: []*discordgo.ApplicationCommandOptionChoice{
|
|
{Name: "Area", Value: themis.CLAIM_TYPE_AREA},
|
|
{Name: "Region", Value: themis.CLAIM_TYPE_REGION},
|
|
{Name: "Trade Node", Value: themis.CLAIM_TYPE_TRADE},
|
|
},
|
|
},
|
|
{
|
|
Name: "name",
|
|
Description: "the name of zone claimed",
|
|
Type: discordgo.ApplicationCommandOptionString,
|
|
Autocomplete: true,
|
|
},
|
|
},
|
|
},
|
|
{
|
|
Name: "delete-claim",
|
|
Description: "Release one of your claims",
|
|
Type: discordgo.ChatApplicationCommand,
|
|
Options: []*discordgo.ApplicationCommandOption{
|
|
{
|
|
Name: "id",
|
|
Description: "numerical ID for the claim",
|
|
Type: discordgo.ApplicationCommandOptionInteger,
|
|
},
|
|
},
|
|
},
|
|
}
|
|
handlers := map[string]Handler{
|
|
"ping": func(s *discordgo.Session, i *discordgo.InteractionCreate) {
|
|
err := s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
|
|
Type: discordgo.InteractionResponseChannelMessageWithSource,
|
|
Data: &discordgo.InteractionResponseData{
|
|
Content: "Pong",
|
|
},
|
|
})
|
|
if err != nil {
|
|
log.Println("[error] failed to respond to command:", err)
|
|
}
|
|
},
|
|
"list-claims": func(s *discordgo.Session, i *discordgo.InteractionCreate) {
|
|
claims, err := store.ListClaims(ctx)
|
|
if err != nil {
|
|
err := s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
|
|
Type: discordgo.InteractionResponseChannelMessageWithSource,
|
|
Data: &discordgo.InteractionResponseData{
|
|
Content: "Oops, something went wrong! :(",
|
|
},
|
|
})
|
|
if err != nil {
|
|
log.Println("[error] failed to respond to command:", err)
|
|
}
|
|
}
|
|
|
|
sb := strings.Builder{}
|
|
sb.WriteString(fmt.Sprintf("There are currently %d claims:\n", len(claims)))
|
|
sb.WriteString("```\n")
|
|
sb.WriteString(formatClaimsTable(claims))
|
|
sb.WriteString("```\n")
|
|
|
|
err = s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
|
|
Type: discordgo.InteractionResponseChannelMessageWithSource,
|
|
Data: &discordgo.InteractionResponseData{
|
|
Content: sb.String(),
|
|
},
|
|
})
|
|
if err != nil {
|
|
log.Println("[error] failed to respond to command:", err)
|
|
}
|
|
},
|
|
"claim": func(s *discordgo.Session, i *discordgo.InteractionCreate) {
|
|
if i.Type == discordgo.InteractionApplicationCommandAutocomplete {
|
|
handleClaimAutocomplete(ctx, store, s, i)
|
|
return
|
|
}
|
|
|
|
opts := i.ApplicationCommandData().Options
|
|
if len(opts) != 2 {
|
|
err = s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
|
|
Type: discordgo.InteractionResponseChannelMessageWithSource,
|
|
Data: &discordgo.InteractionResponseData{
|
|
Content: "`claim-type` and `name` are mandatory parameters",
|
|
},
|
|
})
|
|
if err != nil {
|
|
log.Println("[error] failed to respond to command:", err)
|
|
}
|
|
return
|
|
}
|
|
|
|
claimType, err := themis.ClaimTypeFromString(opts[0].StringValue())
|
|
if err != nil {
|
|
err = s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
|
|
Type: discordgo.InteractionResponseChannelMessageWithSource,
|
|
Data: &discordgo.InteractionResponseData{
|
|
Content: "You can only take claims of types `area`, `region` or `trade`",
|
|
},
|
|
})
|
|
if err != nil {
|
|
log.Println("[error] failed to respond to command:", err)
|
|
}
|
|
return
|
|
}
|
|
name := opts[1].StringValue()
|
|
|
|
player := i.Member.Nick
|
|
if player == "" {
|
|
player = i.Member.User.Username
|
|
}
|
|
|
|
err = store.Claim(ctx, player, name, claimType)
|
|
if err != nil {
|
|
conflict, ok := err.(themis.ErrConflict)
|
|
if ok {
|
|
sb := strings.Builder{}
|
|
sb.WriteString("Some provinces are already claimed:\n```\n")
|
|
for _, c := range conflict.Conflicts {
|
|
sb.WriteString(fmt.Sprintf(" - %s\n", c))
|
|
}
|
|
sb.WriteString("```\n")
|
|
|
|
err = s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
|
|
Type: discordgo.InteractionResponseChannelMessageWithSource,
|
|
Data: &discordgo.InteractionResponseData{
|
|
Content: sb.String(),
|
|
},
|
|
})
|
|
if err != nil {
|
|
log.Println("[error] failed to respond to command:", err)
|
|
}
|
|
return
|
|
}
|
|
fmt.Printf("[error]: failed to acquire claim: %s\n", err)
|
|
err = s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
|
|
Type: discordgo.InteractionResponseChannelMessageWithSource,
|
|
Data: &discordgo.InteractionResponseData{
|
|
Content: "failed to acquire claim :(",
|
|
},
|
|
})
|
|
if err != nil {
|
|
log.Println("[error] failed to respond to command:", err)
|
|
}
|
|
return
|
|
}
|
|
|
|
err = s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
|
|
Type: discordgo.InteractionResponseChannelMessageWithSource,
|
|
Data: &discordgo.InteractionResponseData{
|
|
Content: fmt.Sprintf("Claimed %s for %s!", name, player),
|
|
},
|
|
})
|
|
if err != nil {
|
|
log.Println("[error] failed to respond to command:", err)
|
|
}
|
|
},
|
|
"delete-claim": func(s *discordgo.Session, i *discordgo.InteractionCreate) {
|
|
id := i.ApplicationCommandData().Options[0]
|
|
nick := i.Member.Nick
|
|
if nick == "" {
|
|
nick = i.Member.User.Username
|
|
}
|
|
err := store.DeleteClaim(ctx, int(id.IntValue()), nick)
|
|
if err != nil {
|
|
msg := "Oops, something went wrong :( blame @wperron"
|
|
if errors.Is(err, themis.ErrNoSuchClaim) {
|
|
msg = err.Error()
|
|
}
|
|
log.Printf("[error]: %s\n", err)
|
|
err = s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
|
|
Type: discordgo.InteractionResponseChannelMessageWithSource,
|
|
Data: &discordgo.InteractionResponseData{
|
|
Content: msg,
|
|
},
|
|
})
|
|
if err != nil {
|
|
log.Println("[error] failed to respond to command:", err)
|
|
}
|
|
}
|
|
|
|
err = s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
|
|
Type: discordgo.InteractionResponseChannelMessageWithSource,
|
|
Data: &discordgo.InteractionResponseData{
|
|
Content: "Got it chief.",
|
|
},
|
|
})
|
|
if err != nil {
|
|
log.Println("[error] failed to respond to command:", err)
|
|
}
|
|
},
|
|
}
|
|
|
|
registerHandlers(discord, handlers)
|
|
|
|
err = discord.Open()
|
|
if err != nil {
|
|
log.Fatalln("fatal error: failed to open session:", err)
|
|
}
|
|
defer discord.Close()
|
|
|
|
registeredCommands := make([]*discordgo.ApplicationCommand, len(commands))
|
|
for i, c := range commands {
|
|
command, err := discord.ApplicationCommandCreate(appId, guildId, c)
|
|
if err != nil {
|
|
log.Fatalln("fatal error: failed to register command:", err)
|
|
}
|
|
registeredCommands[i] = command
|
|
}
|
|
|
|
log.Printf("registered %d commands\n", len(registeredCommands))
|
|
|
|
go func() {
|
|
if err := serve(":8080"); err != nil {
|
|
log.Printf("[error]: %s\n", err)
|
|
}
|
|
cancel()
|
|
}()
|
|
|
|
<-ctx.Done()
|
|
|
|
for _, c := range registeredCommands {
|
|
err = discord.ApplicationCommandDelete(appId, guildId, c.ID)
|
|
if err != nil {
|
|
log.Printf("[error]: failed to delete command: %s\n", err)
|
|
}
|
|
}
|
|
log.Println("deregistered commands, bye bye!")
|
|
os.Exit(0)
|
|
}
|
|
|
|
func touchDbFile(path string) error {
|
|
f, err := os.Open(path)
|
|
if err != nil {
|
|
if errors.Is(err, os.ErrNotExist) {
|
|
f, err := os.Create(path)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
f.Close()
|
|
} else {
|
|
return err
|
|
}
|
|
}
|
|
f.Close()
|
|
|
|
return nil
|
|
}
|
|
|
|
func registerHandlers(sess *discordgo.Session, handlers map[string]Handler) {
|
|
sess.AddHandler(func(s *discordgo.Session, r *discordgo.Ready) {
|
|
log.Printf("Logged in as: %v#%v", s.State.User.Username, s.State.User.Discriminator)
|
|
})
|
|
sess.AddHandler(func(s *discordgo.Session, i *discordgo.InteractionCreate) {
|
|
if h, ok := handlers[i.ApplicationCommandData().Name]; ok {
|
|
h(s, i)
|
|
}
|
|
})
|
|
}
|
|
|
|
const TABLE_PATTERN = "| %-*s | %-*s | %-*s | %-*s |\n"
|
|
|
|
func formatClaimsTable(claims []themis.Claim) string {
|
|
sb := strings.Builder{}
|
|
maxLengths := []int{2, 6, 4, 4} // id, player, type, name
|
|
for _, c := range claims {
|
|
sid := strconv.Itoa(c.ID)
|
|
if len(sid) > maxLengths[0] {
|
|
maxLengths[0] = len(sid)
|
|
}
|
|
if len(c.Player) > maxLengths[1] {
|
|
maxLengths[1] = len(c.Player)
|
|
}
|
|
if len(c.Type) > maxLengths[2] {
|
|
maxLengths[2] = len(c.Type)
|
|
}
|
|
if len(c.Name) > maxLengths[3] {
|
|
maxLengths[3] = len(c.Name)
|
|
}
|
|
}
|
|
|
|
sb.WriteString(fmt.Sprintf(TABLE_PATTERN, maxLengths[0], "ID", maxLengths[1], "Player", maxLengths[2], "Type", maxLengths[3], "Name"))
|
|
sb.WriteString(fmt.Sprintf(TABLE_PATTERN, maxLengths[0], strings.Repeat("-", maxLengths[0]), maxLengths[1], strings.Repeat("-", maxLengths[1]), maxLengths[2], strings.Repeat("-", maxLengths[2]), maxLengths[3], strings.Repeat("-", maxLengths[3])))
|
|
for _, c := range claims {
|
|
sb.WriteString(fmt.Sprintf(TABLE_PATTERN, maxLengths[0], strconv.Itoa(c.ID), maxLengths[1], c.Player, maxLengths[2], c.Type, maxLengths[3], c.Name))
|
|
}
|
|
return sb.String()
|
|
}
|
|
|
|
func handleClaimAutocomplete(ctx context.Context, store *themis.Store, s *discordgo.Session, i *discordgo.InteractionCreate) {
|
|
opts := i.ApplicationCommandData().Options
|
|
claimType, err := themis.ClaimTypeFromString(opts[0].StringValue())
|
|
if err != nil {
|
|
log.Printf("[error]: %s\n", err)
|
|
return
|
|
}
|
|
|
|
availability, err := store.ListAvailability(ctx, claimType, opts[1].StringValue())
|
|
if err != nil {
|
|
log.Printf("[error]: %s\n", err)
|
|
return
|
|
}
|
|
|
|
choices := make([]*discordgo.ApplicationCommandOptionChoice, 0, len(availability))
|
|
for _, s := range availability {
|
|
choices = append(choices, &discordgo.ApplicationCommandOptionChoice{
|
|
Name: s,
|
|
Value: s,
|
|
})
|
|
}
|
|
|
|
if err := s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
|
|
Type: discordgo.InteractionApplicationCommandAutocompleteResult,
|
|
Data: &discordgo.InteractionResponseData{
|
|
Choices: choices[:min(len(choices), 25)],
|
|
},
|
|
}); err != nil {
|
|
log.Printf("[error]: %s\n", err)
|
|
}
|
|
}
|
|
|
|
func serve(address string) error {
|
|
http.Handle("/health", http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
|
w.Write([]byte("OK"))
|
|
}))
|
|
|
|
return http.ListenAndServe(address, nil)
|
|
}
|
|
|
|
func min(a, b int) int {
|
|
if a < b {
|
|
return a
|
|
}
|
|
return b
|
|
}
|