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discordclient.go
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discordclient.go
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package discord_client
import (
"errors"
"fmt"
"strings"
"github.com/bwmarrin/discordgo"
"github.com/kounoike/dtv-discord-go/config"
"github.com/kounoike/dtv-discord-go/db"
"github.com/kounoike/dtv-discord-go/discord"
"go.uber.org/zap"
"golang.org/x/text/width"
)
type DiscordClient struct {
cfg config.Config
queries *db.Queries
session *discordgo.Session
logger *zap.Logger
channelIDCache map[string]*discordgo.Channel
channelsCache []*discordgo.Channel
}
func NewDiscordClient(cfg config.Config, queries *db.Queries, logger *zap.Logger) (*DiscordClient, error) {
session, err := discordgo.New("Bot " + cfg.Discord.Token)
if err != nil {
return nil, err
}
session.Identify.Intents |= discordgo.IntentsMessageContent
return &DiscordClient{
cfg: cfg,
queries: queries,
session: session,
logger: logger,
channelIDCache: map[string]*discordgo.Channel{},
channelsCache: []*discordgo.Channel{},
}, nil
}
func (d *DiscordClient) Session() *discordgo.Session {
return d.session
}
func (d *DiscordClient) GetChannel(channelID string) (*discordgo.Channel, error) {
return d.session.Channel(channelID)
}
func (d *DiscordClient) GetChannelMessage(channelID string, messageID string) (*discordgo.Message, error) {
return d.session.ChannelMessage(channelID, messageID)
}
func (d *DiscordClient) MessageReactionAdd(channelID string, messageID string, emoji string) error {
err := d.session.MessageReactionAdd(channelID, messageID, emoji)
return err
}
func (d *DiscordClient) MessageReactionRemove(channelID string, messageID string, emoji string) error {
return d.session.MessageReactionRemove(channelID, messageID, emoji, d.session.State.User.ID)
}
func (d *DiscordClient) GetMessageReactions(channelID string, messageID string, emoji string) ([]*discordgo.User, error) {
return d.session.MessageReactions(channelID, messageID, emoji, 100, "", "")
}
func (d *DiscordClient) AddHandler(handler interface{}) {
d.session.AddHandler(handler)
}
func (d *DiscordClient) Open() error {
err := d.session.Open()
if err != nil {
return err
}
if len(d.session.State.Guilds) != 1 {
return errors.New("bot must join exactly one server")
}
return nil
}
func (d *DiscordClient) UpdateChannelsCache() error {
guildID := d.session.State.Guilds[0].ID
channels, err := d.session.GuildChannels(guildID)
if err != nil {
return err
}
d.channelsCache = channels
return nil
}
func (d *DiscordClient) GetCachedChannel(origCategory string, origChannelName string) (*discordgo.Channel, error) {
category := strings.ToLower(width.Fold.String(origCategory))
category = strings.ReplaceAll(category, "\u3000", "-")
category = strings.ReplaceAll(category, " ", "-")
channel := strings.ToLower(width.Fold.String(origChannelName))
channel = strings.ReplaceAll(channel, "\u3000", "-")
channel = strings.ReplaceAll(channel, " ", "-")
cacheKey := category + "/" + channel
cachedChannel, ok := d.channelIDCache[cacheKey]
if ok {
return cachedChannel, nil
}
guildID := d.session.State.Guilds[0].ID
categoryID := ""
for _, ch := range d.channelsCache {
if ch.Type == discordgo.ChannelTypeGuildCategory && ch.Name == category {
categoryID = ch.ID
break
}
}
if categoryID == "" {
categoryChannel, err := d.session.GuildChannelCreate(guildID, category, discordgo.ChannelTypeGuildCategory)
if err != nil {
return nil, err
}
d.channelsCache = append(d.channelsCache, categoryChannel)
data := discordgo.GuildChannelCreateData{
Name: channel,
Type: discordgo.ChannelTypeGuildText,
ParentID: categoryChannel.ID,
}
createdChannel, err := d.session.GuildChannelCreateComplex(guildID, data)
if err != nil {
return nil, err
}
d.channelsCache = append(d.channelsCache, createdChannel)
d.logger.Debug("GuildChannelCreateComplex OK", zap.String("name", channel), zap.String("cacheKey", cacheKey), zap.String("created ch.Name", createdChannel.Name))
d.channelIDCache[cacheKey] = createdChannel
return createdChannel, nil
}
for _, ch := range d.channelsCache {
if ch.Type == discordgo.ChannelTypeGuildText && ch.ParentID == categoryID && ch.Name == channel {
d.channelIDCache[cacheKey] = ch
return ch, nil
}
}
data := discordgo.GuildChannelCreateData{
Name: channel,
Type: discordgo.ChannelTypeGuildText,
ParentID: categoryID,
}
ch, err := d.session.GuildChannelCreateComplex(guildID, data)
if err != nil {
return nil, err
}
d.channelsCache = append(d.channelsCache, ch)
d.logger.Debug("GuildChannelCreateComplex OK", zap.String("origChannelName", origChannelName), zap.String("cacheKey", cacheKey), zap.String("created ch.Name", ch.Name))
d.channelIDCache[cacheKey] = ch
return ch, nil
}
func (d *DiscordClient) SendMessage(category string, channel string, message string) (*discordgo.Message, error) {
if len(d.session.State.Guilds) != 1 {
return nil, fmt.Errorf("discord app must join one server [%d]", len(d.session.State.Guilds))
}
ch, err := d.GetCachedChannel(category, channel)
if err != nil {
return nil, err
}
msg, err := d.session.ChannelMessageSend(ch.ID, message)
if err != nil {
return nil, err
}
return msg, nil
}
func (d *DiscordClient) EditMessage(category string, channel string, messageID, message string) (*discordgo.Message, error) {
if len(d.session.State.Guilds) != 1 {
return nil, fmt.Errorf("discord app must join one server [%d]", len(d.session.State.Guilds))
}
ch, err := d.GetCachedChannel(category, channel)
if err != nil {
return nil, err
}
msg, err := d.session.ChannelMessageEdit(ch.ID, messageID, message)
if err != nil {
return nil, err
}
return msg, nil
}
func (d *DiscordClient) createChannelWithTopic(category string, channel string, topic string) (*discordgo.Channel, error) {
guildID := d.session.State.Guilds[0].ID
categoryID := ""
for _, ch := range d.channelsCache {
if ch.Type == discordgo.ChannelTypeGuildCategory && ch.Name == category {
categoryID = ch.ID
break
}
}
if categoryID == "" {
categoryChannel, err := d.session.GuildChannelCreate(guildID, category, discordgo.ChannelTypeGuildCategory)
if err != nil {
return nil, err
}
data := discordgo.GuildChannelCreateData{
Name: channel,
Type: discordgo.ChannelTypeGuildText,
ParentID: categoryChannel.ID,
Topic: topic,
}
createdChannel, err := d.session.GuildChannelCreateComplex(guildID, data)
if err != nil {
return nil, err
}
d.logger.Debug("GuildChannelCreateComplex OK", zap.String("name", channel), zap.String("created ch.Name", createdChannel.Name))
return createdChannel, nil
}
for _, ch := range d.channelsCache {
if ch.Type == discordgo.ChannelTypeGuildText && ch.ParentID == categoryID && ch.Name == channel {
edit := discordgo.ChannelEdit{
Topic: topic,
}
d.session.ChannelEdit(ch.ID, &edit)
return ch, nil
}
}
data := discordgo.GuildChannelCreateData{
Name: channel,
Type: discordgo.ChannelTypeGuildText,
Topic: topic,
ParentID: categoryID,
}
ch, err := d.session.GuildChannelCreateComplex(guildID, data)
if err != nil {
return nil, err
}
d.logger.Debug("GuildChannelCreateComplex OK", zap.String("created ch.Name", ch.Name))
return ch, nil
}
func (d *DiscordClient) CreateNotifyAndScheduleChannel() (*discordgo.Channel, error) {
ch, err := d.createChannelWithTopic(discord.NotifyAndScheduleCategory, discord.AutoActionChannelName, discord.AutoActionChannelTopic)
if err != nil {
return nil, err
}
err = d.UpdateChannelsCache()
if err != nil {
return nil, err
}
msgs, err := d.session.ChannelMessages(ch.ID, 1, "", "0", "")
if err != nil {
return nil, err
}
if len(msgs) == 0 {
_, err := d.SendMessage(discord.NotifyAndScheduleCategory, discord.AutoActionChannelName, discord.AutoActionChannelWelcomeMessage)
if err != nil {
return nil, err
}
} else {
if msgs[0].Author.ID == d.session.State.User.ID {
_, err := d.session.ChannelMessageEdit(ch.ID, msgs[0].ID, discord.AutoActionChannelWelcomeMessage)
if err != nil {
return nil, err
}
}
}
return ch, err
}
func (d *DiscordClient) ListAutoSearchChannelThredOkReactionedFirstMessageContents(channelID string) ([]*discordgo.Message, error) {
threadsList, err := d.session.GuildThreadsActive(d.session.State.Guilds[0].ID)
if err != nil {
return nil, err
}
threads := []*discordgo.Channel{}
for _, th := range threadsList.Threads {
if th.ParentID == channelID {
threads = append(threads, th)
d.logger.Debug("found active thread", zap.String("name", th.Name))
}
}
for {
archivedThreadList, err := d.session.ThreadsArchived(channelID, nil, 100)
if err != nil {
return nil, err
}
for _, th := range archivedThreadList.Threads {
d.logger.Debug("found archived thread", zap.String("name", th.Name))
}
threads = append(threads, archivedThreadList.Threads...)
if !archivedThreadList.HasMore {
break
}
}
messages := make([]*discordgo.Message, 0)
for _, th := range threads {
thMsgs, err := d.session.ChannelMessages(th.ID, 1, "", "0", "")
if err != nil {
d.logger.Warn("can't get messages in thred", zap.Error(err), zap.String("th.ID", th.ID), zap.String("th.Name", th.Name))
continue
}
if len(thMsgs) > 0 {
users, err := d.session.MessageReactions(th.ID, thMsgs[0].ID, discord.OkReactionEmoji, 1, "", "")
if err != nil {
d.logger.Warn("can't get message's reactions", zap.Error(err), zap.String("th.ID", th.ID), zap.String("msgID", thMsgs[0].ID))
continue
}
if len(users) > 0 {
messages = append(messages, thMsgs[0])
}
}
}
return messages, nil
}
func (d *DiscordClient) SendMessageToThread(threadID string, content string) error {
_, err := d.session.ChannelMessageSend(threadID, content)
return err
}