mirror of
https://git.sr.ht/~ashkeel/strimertul
synced 2024-09-20 02:00:49 +00:00
370 lines
12 KiB
Go
370 lines
12 KiB
Go
|
package twitch
|
||
|
|
||
|
import (
|
||
|
"bytes"
|
||
|
"context"
|
||
|
"encoding/json"
|
||
|
"math/rand"
|
||
|
"sync"
|
||
|
"text/template"
|
||
|
"time"
|
||
|
|
||
|
"github.com/Masterminds/sprig"
|
||
|
|
||
|
"github.com/nicklaw5/helix"
|
||
|
|
||
|
jsoniter "github.com/json-iterator/go"
|
||
|
|
||
|
"github.com/strimertul/strimertul/modules/database"
|
||
|
)
|
||
|
|
||
|
const BotAlertsKey = "twitch/bot-modules/alerts/config"
|
||
|
|
||
|
type eventSubNotification struct {
|
||
|
Subscription helix.EventSubSubscription `json:"subscription"`
|
||
|
Challenge string `json:"challenge"`
|
||
|
Event json.RawMessage `json:"event"`
|
||
|
}
|
||
|
|
||
|
type BotAlertsConfig struct {
|
||
|
Follow struct {
|
||
|
Enabled bool `json:"enabled"`
|
||
|
Messages []string `json:"messages"`
|
||
|
} `json:"follow"`
|
||
|
Subscription struct {
|
||
|
Enabled bool `json:"enabled"`
|
||
|
Messages []string `json:"message"`
|
||
|
Variations []struct {
|
||
|
MinStreak *int `json:"min_streak,omitempty"`
|
||
|
IsGifted *bool `json:"is_gifted,omitempty"`
|
||
|
Messages []string `json:"message"`
|
||
|
} `json:"variations"`
|
||
|
} `json:"subscription"`
|
||
|
GiftSub struct {
|
||
|
Enabled bool `json:"enabled"`
|
||
|
Messages []string `json:"message"`
|
||
|
Variations []struct {
|
||
|
MinCumulative *int `json:"min_cumulative,omitempty"`
|
||
|
Messages []string `json:"message"`
|
||
|
} `json:"variations"`
|
||
|
} `json:"gift_sub"`
|
||
|
Raid struct {
|
||
|
Enabled bool `json:"enabled"`
|
||
|
Messages []string `json:"message"`
|
||
|
Variations []struct {
|
||
|
MinViewers *int `json:"min_viewers,omitempty"`
|
||
|
Messages []string `json:"message"`
|
||
|
} `json:"variations"`
|
||
|
} `json:"raid"`
|
||
|
Cheer struct {
|
||
|
Enabled bool `json:"enabled"`
|
||
|
Messages []string `json:"message"`
|
||
|
Variations []struct {
|
||
|
MinAmount *int `json:"min_amount,omitempty"`
|
||
|
Messages []string `json:"message"`
|
||
|
} `json:"variations"`
|
||
|
} `json:"cheer"`
|
||
|
}
|
||
|
|
||
|
type BotAlertsModule struct {
|
||
|
Config BotAlertsConfig
|
||
|
|
||
|
bot *Bot
|
||
|
mu sync.Mutex
|
||
|
}
|
||
|
|
||
|
func SetupAlerts(bot *Bot) *BotAlertsModule {
|
||
|
mod := &BotAlertsModule{
|
||
|
bot: bot,
|
||
|
}
|
||
|
|
||
|
// Load config from database
|
||
|
err := bot.api.db.GetJSON(BotAlertsKey, &mod.Config)
|
||
|
if err != nil {
|
||
|
bot.logger.WithError(err).Debug("config load error")
|
||
|
mod.Config = BotAlertsConfig{}
|
||
|
}
|
||
|
|
||
|
go bot.api.db.Subscribe(context.Background(), func(changed []database.ModifiedKV) error {
|
||
|
for _, kv := range changed {
|
||
|
if kv.Key == BotAlertsKey {
|
||
|
err := jsoniter.ConfigFastest.Unmarshal(kv.Data, &mod.Config)
|
||
|
if err != nil {
|
||
|
bot.logger.WithError(err).Debug("error reloading timer config")
|
||
|
} else {
|
||
|
bot.logger.Info("reloaded timer config")
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
return nil
|
||
|
}, BotAlertsKey)
|
||
|
|
||
|
// Subscriptions are handled with a slight delay as info come from different events and must be aggregated
|
||
|
pendingSubs := make(map[string]subMixedEvent)
|
||
|
pendingMux := sync.Mutex{}
|
||
|
processPendingSub := func(user string) {
|
||
|
pendingMux.Lock()
|
||
|
defer pendingMux.Unlock()
|
||
|
sub, ok := pendingSubs[user]
|
||
|
defer delete(pendingSubs, user)
|
||
|
if !ok {
|
||
|
// Somehow it's gone? Return early
|
||
|
return
|
||
|
}
|
||
|
// One last check in case config changed
|
||
|
if !mod.Config.Subscription.Enabled {
|
||
|
return
|
||
|
}
|
||
|
// Assign random message
|
||
|
msg := mod.Config.Subscription.Messages[rand.Intn(len(mod.Config.Subscription.Messages))]
|
||
|
// Check for variations, either by streak or gifted
|
||
|
if sub.IsGift {
|
||
|
for _, variation := range mod.Config.Subscription.Variations {
|
||
|
if variation.IsGifted != nil && *variation.IsGifted {
|
||
|
msg = variation.Messages[rand.Intn(len(variation.Messages))]
|
||
|
break
|
||
|
}
|
||
|
}
|
||
|
} else if sub.DurationMonths > 0 {
|
||
|
minMonths := -1
|
||
|
for _, variation := range mod.Config.Subscription.Variations {
|
||
|
if variation.MinStreak != nil && sub.DurationMonths >= *variation.MinStreak && sub.DurationMonths >= minMonths {
|
||
|
msg = variation.Messages[rand.Intn(len(variation.Messages))]
|
||
|
minMonths = *variation.MinStreak
|
||
|
break
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
writeTemplate(bot, msg, sub)
|
||
|
}
|
||
|
addPendingSub := func(ev interface{}) {
|
||
|
switch ev.(type) {
|
||
|
case *helix.EventSubChannelSubscribeEvent:
|
||
|
sub := ev.(*helix.EventSubChannelSubscribeEvent)
|
||
|
pendingMux.Lock()
|
||
|
defer pendingMux.Unlock()
|
||
|
if ev, ok := pendingSubs[sub.UserID]; ok {
|
||
|
// Already pending, add extra data
|
||
|
ev.IsGift = sub.IsGift
|
||
|
pendingSubs[sub.UserID] = ev
|
||
|
return
|
||
|
}
|
||
|
pendingSubs[sub.UserID] = subMixedEvent{
|
||
|
UserID: sub.UserID,
|
||
|
UserLogin: sub.UserLogin,
|
||
|
UserName: sub.UserName,
|
||
|
BroadcasterUserID: sub.BroadcasterUserID,
|
||
|
BroadcasterUserLogin: sub.BroadcasterUserLogin,
|
||
|
BroadcasterUserName: sub.BroadcasterUserName,
|
||
|
Tier: sub.Tier,
|
||
|
IsGift: sub.IsGift,
|
||
|
}
|
||
|
go func() {
|
||
|
// Wait a bit to make sure we aggregate all events
|
||
|
time.Sleep(time.Second * 3)
|
||
|
processPendingSub(sub.UserID)
|
||
|
}()
|
||
|
case *helix.EventSubChannelSubscriptionMessageEvent:
|
||
|
sub := ev.(*helix.EventSubChannelSubscriptionMessageEvent)
|
||
|
pendingMux.Lock()
|
||
|
defer pendingMux.Unlock()
|
||
|
if ev, ok := pendingSubs[sub.UserID]; ok {
|
||
|
// Already pending, add extra data
|
||
|
ev.StreakMonths = sub.StreakMonths
|
||
|
ev.DurationMonths = sub.DurationMonths
|
||
|
ev.CumulativeTotal = sub.CumulativeTotal
|
||
|
ev.Message = sub.Message
|
||
|
return
|
||
|
}
|
||
|
pendingSubs[sub.UserID] = subMixedEvent{
|
||
|
UserID: sub.UserID,
|
||
|
UserLogin: sub.UserLogin,
|
||
|
UserName: sub.UserName,
|
||
|
BroadcasterUserID: sub.BroadcasterUserID,
|
||
|
BroadcasterUserLogin: sub.BroadcasterUserLogin,
|
||
|
BroadcasterUserName: sub.BroadcasterUserName,
|
||
|
Tier: sub.Tier,
|
||
|
StreakMonths: sub.StreakMonths,
|
||
|
DurationMonths: sub.DurationMonths,
|
||
|
CumulativeTotal: sub.CumulativeTotal,
|
||
|
Message: sub.Message,
|
||
|
}
|
||
|
go func() {
|
||
|
// Wait a bit to make sure we aggregate all events
|
||
|
time.Sleep(time.Second * 3)
|
||
|
processPendingSub(sub.UserID)
|
||
|
}()
|
||
|
}
|
||
|
}
|
||
|
|
||
|
go bot.api.db.Subscribe(context.Background(), func(changed []database.ModifiedKV) error {
|
||
|
for _, kv := range changed {
|
||
|
if kv.Key == "stulbe/ev/webhook" {
|
||
|
var ev eventSubNotification
|
||
|
err := jsoniter.ConfigFastest.Unmarshal(kv.Data, &ev)
|
||
|
if err != nil {
|
||
|
bot.logger.WithError(err).Debug("error parsing webhook payload")
|
||
|
continue
|
||
|
}
|
||
|
switch ev.Subscription.Type {
|
||
|
case helix.EventSubTypeChannelFollow:
|
||
|
// Only process if we care about follows
|
||
|
if !mod.Config.Follow.Enabled {
|
||
|
continue
|
||
|
}
|
||
|
// Parse as follow event
|
||
|
var followEv helix.EventSubChannelFollowEvent
|
||
|
err := jsoniter.ConfigFastest.Unmarshal(ev.Event, &followEv)
|
||
|
if err != nil {
|
||
|
bot.logger.WithError(err).Debug("error parsing follow event")
|
||
|
continue
|
||
|
}
|
||
|
// Pick a random message
|
||
|
msg := mod.Config.Follow.Messages[rand.Intn(len(mod.Config.Follow.Messages))]
|
||
|
// Compile template and send
|
||
|
writeTemplate(bot, msg, &followEv)
|
||
|
case helix.EventSubTypeChannelRaid:
|
||
|
// Only process if we care about raids
|
||
|
if !mod.Config.Raid.Enabled {
|
||
|
continue
|
||
|
}
|
||
|
// Parse as raid event
|
||
|
var raidEv helix.EventSubChannelRaidEvent
|
||
|
err := jsoniter.ConfigFastest.Unmarshal(ev.Event, &raidEv)
|
||
|
if err != nil {
|
||
|
bot.logger.WithError(err).Debug("error parsing raid event")
|
||
|
continue
|
||
|
}
|
||
|
// Pick a random message from base set
|
||
|
msg := mod.Config.Raid.Messages[rand.Intn(len(mod.Config.Raid.Messages))]
|
||
|
// If we have variations, loop through all the available variations and pick the one with the highest minimum viewers that are met
|
||
|
if len(mod.Config.Raid.Variations) > 0 {
|
||
|
minViewers := -1
|
||
|
for _, variation := range mod.Config.Raid.Variations {
|
||
|
if variation.MinViewers != nil && *variation.MinViewers > minViewers && raidEv.Viewers >= *variation.MinViewers {
|
||
|
msg = variation.Messages[rand.Intn(len(variation.Messages))]
|
||
|
minViewers = *variation.MinViewers
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
// Compile template and send
|
||
|
writeTemplate(bot, msg, &raidEv)
|
||
|
case helix.EventSubTypeChannelCheer:
|
||
|
// Only process if we care about bits
|
||
|
if !mod.Config.Cheer.Enabled {
|
||
|
continue
|
||
|
}
|
||
|
// Parse as cheer event
|
||
|
var cheerEv helix.EventSubChannelCheerEvent
|
||
|
err := jsoniter.ConfigFastest.Unmarshal(ev.Event, &cheerEv)
|
||
|
if err != nil {
|
||
|
bot.logger.WithError(err).Debug("error parsing cheer event")
|
||
|
continue
|
||
|
}
|
||
|
// Pick a random message from base set
|
||
|
msg := mod.Config.Cheer.Messages[rand.Intn(len(mod.Config.Cheer.Messages))]
|
||
|
// If we have variations, loop through all the available variations and pick the one with the highest minimum amount that is met
|
||
|
if len(mod.Config.Cheer.Variations) > 0 {
|
||
|
minAmount := -1
|
||
|
for _, variation := range mod.Config.Cheer.Variations {
|
||
|
if variation.MinAmount != nil && *variation.MinAmount > minAmount && cheerEv.Bits >= *variation.MinAmount {
|
||
|
msg = variation.Messages[rand.Intn(len(variation.Messages))]
|
||
|
minAmount = *variation.MinAmount
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
// Compile template and send
|
||
|
writeTemplate(bot, msg, &cheerEv)
|
||
|
case helix.EventSubTypeChannelSubscription:
|
||
|
// Only process if we care about subscriptions
|
||
|
if !mod.Config.Subscription.Enabled {
|
||
|
continue
|
||
|
}
|
||
|
// Parse as subscription event
|
||
|
var subEv helix.EventSubChannelSubscribeEvent
|
||
|
err := jsoniter.ConfigFastest.Unmarshal(ev.Event, &subEv)
|
||
|
if err != nil {
|
||
|
bot.logger.WithError(err).Debug("error parsing sub event")
|
||
|
continue
|
||
|
}
|
||
|
addPendingSub(subEv.UserID)
|
||
|
case helix.EventSubTypeChannelSubscriptionMessage:
|
||
|
// Only process if we care about subscriptions
|
||
|
if !mod.Config.Subscription.Enabled {
|
||
|
continue
|
||
|
}
|
||
|
// Parse as subscription event
|
||
|
var subEv helix.EventSubChannelSubscriptionMessageEvent
|
||
|
err := jsoniter.ConfigFastest.Unmarshal(ev.Event, &subEv)
|
||
|
if err != nil {
|
||
|
bot.logger.WithError(err).Debug("error parsing sub event")
|
||
|
continue
|
||
|
}
|
||
|
addPendingSub(subEv.UserID)
|
||
|
case helix.EventSubTypeChannelSubscriptionGift:
|
||
|
// Only process if we care about gifted subs
|
||
|
if !mod.Config.Raid.Enabled {
|
||
|
continue
|
||
|
}
|
||
|
// Parse as gift event
|
||
|
var giftEv helix.EventSubChannelSubscriptionGiftEvent
|
||
|
err := jsoniter.ConfigFastest.Unmarshal(ev.Event, &giftEv)
|
||
|
if err != nil {
|
||
|
bot.logger.WithError(err).Debug("error parsing raid event")
|
||
|
continue
|
||
|
}
|
||
|
// Pick a random message from base set
|
||
|
msg := mod.Config.GiftSub.Messages[rand.Intn(len(mod.Config.GiftSub.Messages))]
|
||
|
// If we have variations, loop through all the available variations and pick the one with the highest minimum cumulative total that are met
|
||
|
if len(mod.Config.GiftSub.Variations) > 0 {
|
||
|
minCumulative := -1
|
||
|
for _, variation := range mod.Config.GiftSub.Variations {
|
||
|
if variation.MinCumulative != nil && *variation.MinCumulative > minCumulative && giftEv.CumulativeTotal >= *variation.MinCumulative {
|
||
|
msg = variation.Messages[rand.Intn(len(variation.Messages))]
|
||
|
minCumulative = *variation.MinCumulative
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
// Compile template and send
|
||
|
writeTemplate(bot, msg, &giftEv)
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
return nil
|
||
|
}, "stulbe/ev/webhook")
|
||
|
|
||
|
bot.logger.Debug("loaded bot alerts")
|
||
|
|
||
|
return mod
|
||
|
}
|
||
|
|
||
|
func writeTemplate(bot *Bot, msg string, data interface{}) {
|
||
|
tpl, err := template.New("").Funcs(sprig.TxtFuncMap()).Parse(msg)
|
||
|
if err != nil {
|
||
|
bot.logger.WithError(err).Error("error parsing template for alert")
|
||
|
return
|
||
|
}
|
||
|
var buf bytes.Buffer
|
||
|
err = tpl.Execute(&buf, data)
|
||
|
if err != nil {
|
||
|
bot.logger.WithError(err).Error("error executing template for alert")
|
||
|
return
|
||
|
}
|
||
|
bot.WriteMessage(buf.String())
|
||
|
}
|
||
|
|
||
|
type subMixedEvent struct {
|
||
|
UserID string
|
||
|
UserLogin string
|
||
|
UserName string
|
||
|
BroadcasterUserID string
|
||
|
BroadcasterUserLogin string
|
||
|
BroadcasterUserName string
|
||
|
Tier string
|
||
|
IsGift bool
|
||
|
CumulativeTotal int
|
||
|
StreakMonths int
|
||
|
DurationMonths int
|
||
|
Message helix.EventSubMessage
|
||
|
}
|