/
bot.go
236 lines (193 loc) · 5.43 KB
/
bot.go
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package bot
import (
"context"
"database/sql"
"fmt"
"net/http"
"strings"
"time"
"github.com/diamondburned/arikawa/v3/api"
"github.com/diamondburned/arikawa/v3/api/webhook"
"github.com/diamondburned/arikawa/v3/discord"
"github.com/diamondburned/arikawa/v3/gateway"
"github.com/diamondburned/arikawa/v3/state"
"github.com/google/go-github/v56/github"
"github.com/holedaemon/bot2/internal/api/jerkcity"
"github.com/holedaemon/bot2/internal/api/steam"
"github.com/holedaemon/bot2/internal/api/topster"
"github.com/holedaemon/bot2/internal/pkg/imagecache"
"github.com/olebedev/when"
"github.com/olebedev/when/rules/common"
"github.com/olebedev/when/rules/en"
"github.com/zikaeroh/ctxlog"
"go.uber.org/zap"
"go.uber.org/zap/zapcore"
)
// Bot is a Discord bot account.
type Bot struct {
debug bool
topsterAddr string
siteAddress string
steamAPIKey string
state *state.State
loggingWebhook *webhook.Client
feedbackWebhook *webhook.Client
logger *zap.Logger
jerkcity *jerkcity.Client
topster *topster.Client
steam *steam.Client
github *github.Client
db *sql.DB
admins map[discord.UserID]struct{}
imageCache *imagecache.Cache
lastGameChange time.Time
when *when.Parser
}
// New creates a new Bot.
func New(token string, opts ...Option) (*Bot, error) {
if token == "" {
return nil, fmt.Errorf("bot: token is blank")
}
b := &Bot{
jerkcity: jerkcity.New(),
imageCache: imagecache.New(),
github: github.NewClient(nil),
admins: make(map[discord.UserID]struct{}),
state: state.New("Bot " + token),
}
for _, o := range opts {
o(b)
}
if b.logger == nil {
l := ctxlog.New(b.debug)
b.logger = l
}
// required options
if b.siteAddress == "" {
return nil, fmt.Errorf("bot: site address is blank")
} else {
if !strings.HasPrefix(b.siteAddress, "http") {
b.siteAddress = "https://" + b.siteAddress
}
if !strings.HasSuffix(b.siteAddress, "/") {
b.siteAddress = strings.TrimSuffix(b.siteAddress, "/")
}
}
if b.db == nil {
return nil, fmt.Errorf("bot: db is nil")
}
// optional options
if b.loggingWebhook == nil {
b.logger.Warn("webhook logs have been disabled")
} else {
b.logger = b.logger.WithOptions(
zap.Hooks(b.webhookHook),
)
}
if b.feedbackWebhook == nil {
b.logger.Warn("feedback webhook has been disabled")
}
if len(b.admins) == 0 {
b.logger.Warn("no admins have been configured; admin-only commands are unusable")
}
if b.topsterAddr == "" {
b.logger.Warn("topster address has not been set; topster command is unusable")
} else {
if !strings.HasPrefix(b.topsterAddr, "http") {
b.topsterAddr = "https://" + b.topsterAddr
}
topsterClient := &http.Client{
Timeout: time.Second * 20,
}
tp, err := topster.New(b.topsterAddr, topster.WithHTTPClient(topsterClient))
if err != nil {
return nil, fmt.Errorf("%w: creating topster client", err)
}
b.topster = tp
}
if b.steamAPIKey == "" {
b.logger.Warn("steam API key not set; role updater disabled")
} else {
stm, err := steam.New(b.steamAPIKey)
if err != nil {
return nil, fmt.Errorf("%w: creating steam client", err)
}
b.steam = stm
}
b.when = when.New(nil)
b.when.Add(en.All...)
b.when.Add(common.All...)
b.state.AddHandler(b.onReady)
b.state.AddHandler(b.onGuildCreate)
b.state.AddHandler(b.onGuildUpdate)
b.state.AddHandler(b.onGuildRoleDelete)
b.state.AddHandler(b.onGuildMemberRemove)
b.state.AddHandler(b.onMessage)
b.state.AddHandler(b.onReconnect)
b.state.AddHandler(b.onMessageReactionAdd)
b.state.AddHandler(b.onMessageEdit)
r := b.router()
b.state.AddInteractionHandler(r)
b.state.AddIntents(gateway.IntentGuilds | gateway.IntentGuildMessages | gateway.IntentGuildMessageReactions | gateway.IntentDirectMessages | gateway.IntentGuildMembers)
if b.debug {
commands = commands.Scoped(testGuildID)
}
cmds := make(map[discord.GuildID][]api.CreateCommandData)
for _, c := range commands {
if c.Scoped.IsNull() {
if _, ok := cmds[0]; !ok {
cmds[0] = make([]api.CreateCommandData, 0)
}
cmds[0] = append(cmds[0], c.Data)
} else {
if _, ok := cmds[c.Scoped]; !ok {
cmds[c.Scoped] = make([]api.CreateCommandData, 0)
}
cmds[c.Scoped] = append(cmds[c.Scoped], c.Data)
}
}
app, err := b.state.CurrentApplication()
if err != nil {
return nil, fmt.Errorf("bot: getting current application: %w", err)
}
for scope, cmd := range cmds {
if scope == 0 {
if _, err := b.state.BulkOverwriteCommands(app.ID, cmd); err != nil {
return nil, fmt.Errorf("bot: overwriting global commands: %w", err)
}
} else {
if _, err := b.state.BulkOverwriteGuildCommands(app.ID, scope, cmd); err != nil {
return nil, fmt.Errorf("bot: overwriting guild commands (%d): %w", scope, err)
}
}
}
return b, nil
}
// Start opens a connection to Discord and enables
// the internal image cache's automatic deletion.
func (b *Bot) Start(ctx context.Context) error {
go b.imageCache.Start()
defer b.imageCache.Stop()
go b.roleUpdater(ctx)
return b.state.Connect(ctx)
}
func (b *Bot) isAdmin(sf discord.UserID) bool {
if _, ok := b.admins[sf]; ok {
return true
}
return false
}
func (b *Bot) webhookHook(entry zapcore.Entry) error {
if b.loggingWebhook == nil {
return nil
}
if entry.Level < zapcore.ErrorLevel {
return nil
}
data := webhook.ExecuteData{
Username: "BOT/2 Logs",
AvatarURL: "https://holedaemon.net/images/yousuck.jpg",
Content: entry.Message,
}
return b.loggingWebhook.Execute(data)
}