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bot.go
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bot.go
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package streaming
import (
"github.com/jonas747/discordgo"
"github.com/jonas747/dutil/dstate"
"github.com/jonas747/yagpdb/bot"
"github.com/jonas747/yagpdb/bot/eventsystem"
"github.com/jonas747/yagpdb/common"
"github.com/jonas747/yagpdb/common/pubsub"
"github.com/jonas747/yagpdb/common/templates"
"github.com/mediocregopher/radix.v3"
log "github.com/sirupsen/logrus"
"regexp"
"strings"
"sync"
)
func KeyCurrentlyStreaming(gID int64) string { return "currently_streaming:" + discordgo.StrID(gID) }
var _ bot.BotInitHandler = (*Plugin)(nil)
var _ bot.ShardMigrationHandler = (*Plugin)(nil)
func (p *Plugin) BotInit() {
eventsystem.AddHandler(bot.ConcurrentEventHandler(HandleGuildCreate), eventsystem.EventGuildCreate)
eventsystem.AddHandler(HandlePresenceUpdate, eventsystem.EventPresenceUpdate)
eventsystem.AddHandler(HandleGuildMemberUpdate, eventsystem.EventGuildMemberUpdate)
pubsub.AddHandler("update_streaming", HandleUpdateStreaming, nil)
}
func (p *Plugin) GuildMigrated(gs *dstate.GuildState, toThisSlave bool) {
if !toThisSlave {
return
}
go CheckGuildFull(gs, false)
}
// YAGPDB event
func HandleUpdateStreaming(event *pubsub.Event) {
log.Info("Received update streaming event ", event.TargetGuild)
gs := bot.State.Guild(true, event.TargetGuildInt)
if gs == nil {
return
}
CheckGuildFull(gs, true)
}
func CheckGuildFull(gs *dstate.GuildState, fetchMembers bool) {
config, err := GetConfig(gs.ID)
if err != nil {
log.WithError(err).WithField("guild", gs.ID).Error("Failed retrieving streaming config")
}
if !config.Enabled {
return
}
gs.RLock()
var wg sync.WaitGroup
slowCheck := make([]*dstate.MemberState, 0, len(gs.Members))
err = common.RedisPool.Do(radix.WithConn(KeyCurrentlyStreaming(gs.ID), func(conn radix.Conn) error {
for _, ms := range gs.Members {
if !ms.MemberSet || !ms.PresenceSet {
if ms.PresenceSet && fetchMembers {
// If were fetching members, then fetch the missing members
// TODO: Maybe use the gateway request for this?
slowCheck = append(slowCheck, ms)
wg.Add(1)
go func(gID, uID int64) {
bot.GetMember(gID, uID)
wg.Done()
}(gs.ID, ms.ID)
}
continue
}
err = CheckPresence(conn, config, ms, gs)
if err != nil {
log.WithError(err).Error("Error checking presence")
continue
}
}
return nil
}))
gs.RUnlock()
if fetchMembers {
wg.Wait()
} else {
return
}
log.WithField("guild", gs.ID).Info("Starting slowcheck")
gs.RLock()
err = common.RedisPool.Do(radix.WithConn(KeyCurrentlyStreaming(gs.ID), func(conn radix.Conn) error {
for _, ms := range slowCheck {
if !ms.MemberSet || !ms.PresenceSet {
continue
}
err = CheckPresence(conn, config, ms, gs)
if err != nil {
log.WithError(err).Error("Error checking presence")
continue
}
}
return nil
}))
gs.RUnlock()
log.WithField("guild", gs.ID).Info("Done slowcheck")
}
func HandleGuildMemberUpdate(evt *eventsystem.EventData) {
m := evt.GuildMemberUpdate()
config, err := GetConfig(m.GuildID)
if err != nil {
log.WithError(err).Error("Failed retrieving streaming config")
return
}
if !config.Enabled {
return
}
gs := bot.State.Guild(true, m.GuildID)
if gs == nil {
log.WithField("guild", m.GuildID).Error("Guild not found in state")
return
}
ms := gs.Member(true, m.User.ID)
if ms == nil {
log.WithField("guild", m.GuildID).Error("Member not found in state")
return
}
gs.RLock()
defer gs.RUnlock()
if !ms.PresenceSet {
log.WithField("guild", m.GuildID).Warn("Presence not found in state")
return
}
err = CheckPresence(common.RedisPool, config, ms, gs)
if err != nil {
log.WithError(err).Error("Failed checking presence")
}
}
func HandleGuildCreate(evt *eventsystem.EventData) {
g := evt.GuildCreate()
config, err := GetConfig(g.ID)
if err != nil {
log.WithError(err).Error("Failed retrieving streaming config")
return
}
if !config.Enabled {
return
}
gs := bot.State.Guild(true, g.ID)
if gs == nil {
log.WithField("guild", g.ID).Error("Guild not found in state")
return
}
gs.RLock()
defer gs.RUnlock()
err = common.RedisPool.Do(radix.WithConn(KeyCurrentlyStreaming(g.ID), func(conn radix.Conn) error {
for _, ms := range gs.Members {
if !ms.MemberSet || !ms.PresenceSet {
continue
}
err = CheckPresence(conn, config, ms, gs)
if err != nil {
log.WithError(err).Error("Failed checking presence")
}
}
return nil
}))
}
func HandlePresenceUpdate(evt *eventsystem.EventData) {
p := evt.PresenceUpdate()
config, err := GetConfig(p.GuildID)
if err != nil {
log.WithError(err).Error("Failed retrieving streaming config")
return
}
if !config.Enabled {
return
}
gs := bot.State.Guild(true, p.GuildID)
if gs == nil {
log.WithField("guild", p.GuildID).Error("Failed retrieving guild from state")
return
}
ms, err := bot.GetMember(p.GuildID, p.User.ID)
if ms == nil || err != nil {
log.WithError(err).WithField("guild", p.GuildID).WithField("user", p.User.ID).Error("Failed retrieving member")
return
}
gs.RLock()
defer gs.RUnlock()
err = CheckPresence(common.RedisPool, config, ms, gs)
if err != nil {
log.WithError(err).WithField("guild", p.GuildID).Error("Failed checking presence")
}
}
func CheckPresence(client radix.Client, config *Config, ms *dstate.MemberState, gs *dstate.GuildState) error {
if !config.Enabled {
// RemoveStreaming(client, config, gs.ID, p.User.ID, member)
return nil
}
// Now the real fun starts
// Either add or remove the stream
if ms.PresenceStatus != dstate.StatusOffline && ms.PresenceGame != nil && ms.PresenceGame.URL != "" {
// Streaming
if !config.MeetsRequirements(ms) {
RemoveStreaming(client, config, gs.ID, ms)
return nil
}
if config.GiveRole != 0 {
err := GiveStreamingRole(ms, config.GiveRole, gs.Guild)
if err != nil && !common.IsDiscordErr(err, discordgo.ErrCodeMissingPermissions, discordgo.ErrCodeUnknownRole) {
log.WithError(err).WithField("guild", gs.ID).WithField("user", ms.ID).Error("Failed adding streaming role")
client.Do(radix.FlatCmd(nil, "SREM", KeyCurrentlyStreaming(gs.ID), ms.ID))
}
}
// if true, then we were marked now, and not before
var markedNow bool
client.Do(radix.FlatCmd(&markedNow, "SADD", KeyCurrentlyStreaming(gs.ID), ms.ID))
if !markedNow {
// Already marked
return nil
}
// Send the streaming announcement if enabled
if config.AnnounceChannel != 0 && config.AnnounceMessage != "" {
SendStreamingAnnouncement(config, gs, ms)
}
} else {
// Not streaming
RemoveStreaming(client, config, gs.ID, ms)
}
return nil
}
func (config *Config) MeetsRequirements(ms *dstate.MemberState) bool {
// Check if they have the required role
if config.RequireRole != 0 {
if !common.ContainsInt64Slice(ms.Roles, config.RequireRole) {
// Dosen't have required role
return false
}
}
// Check if they have a ignored role
if config.IgnoreRole != 0 {
if common.ContainsInt64Slice(ms.Roles, config.IgnoreRole) {
// We ignore people with this role.. :'(
return false
}
}
if strings.TrimSpace(config.GameRegex) != "" {
gameName := ms.PresenceGame.Details
compiledRegex, err := regexp.Compile(strings.TrimSpace(config.GameRegex))
if err == nil {
// It should be verified before this that its valid
if !compiledRegex.MatchString(gameName) {
return false
}
}
}
if strings.TrimSpace(config.TitleRegex) != "" {
streamTitle := ms.PresenceGame.Name
compiledRegex, err := regexp.Compile(strings.TrimSpace(config.TitleRegex))
if err == nil {
// It should be verified before this that its valid
if !compiledRegex.MatchString(streamTitle) {
return false
}
}
}
return true
}
func RemoveStreaming(client radix.Client, config *Config, guildID int64, ms *dstate.MemberState) {
if ms.MemberSet {
client.Do(radix.FlatCmd(nil, "SREM", KeyCurrentlyStreaming(guildID), ms.ID))
go RemoveStreamingRole(ms, config.GiveRole, guildID)
} else {
// Was not streaming before if we removed 0 elements
var removed bool
client.Do(radix.FlatCmd(&removed, "SREM", KeyCurrentlyStreaming(guildID), ms.ID))
if removed && config.GiveRole != 0 {
go common.BotSession.GuildMemberRoleRemove(guildID, ms.ID, config.GiveRole)
}
}
}
func SendStreamingAnnouncement(config *Config, guild *dstate.GuildState, ms *dstate.MemberState) {
foundChannel := false
for _, v := range guild.Channels {
if v.ID == config.AnnounceChannel {
foundChannel = true
}
}
if !foundChannel {
log.WithField("guild", guild.ID).WithField("channel", config.AnnounceChannel).Warn("Channel not found in state, not sending streaming announcement")
return
}
ctx := templates.NewContext(guild, nil, ms)
ctx.Data["URL"] = common.EscapeSpecialMentions(ms.PresenceGame.URL)
ctx.Data["url"] = common.EscapeSpecialMentions(ms.PresenceGame.URL)
ctx.Data["Game"] = ms.PresenceGame.Details
ctx.Data["StreamTitle"] = ms.PresenceGame.Name
guild.RUnlock()
out, err := ctx.Execute(config.AnnounceMessage)
guild.RLock()
if err != nil {
log.WithError(err).WithField("guild", guild.ID).Warn("Failed executing template")
return
}
common.BotSession.ChannelMessageSend(config.AnnounceChannel, out)
}
func GiveStreamingRole(ms *dstate.MemberState, role int64, guild *discordgo.Guild) error {
// Ensure the role exists
found := false
for _, v := range guild.Roles {
if v.ID == role {
found = true
break
}
}
if !found {
return nil
}
go common.AddRoleDS(ms, role)
return nil
}
func RemoveStreamingRole(ms *dstate.MemberState, role int64, guildID int64) {
if role == 0 {
return
}
err := common.RemoveRoleDS(ms, role)
if err != nil && !common.IsDiscordErr(err, discordgo.ErrCodeMissingPermissions, discordgo.ErrCodeUnknownRole, discordgo.ErrCodeMissingAccess) {
log.WithError(err).WithField("guild", guildID).WithField("user", ms.ID).WithField("role", role).Error("Failed removing streaming role")
}
}