forked from Galactic/modmail
625 lines
24 KiB
JavaScript
625 lines
24 KiB
JavaScript
const fs = require('fs');
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class Modmail {
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// A lot of this can probably be simplified but I wrote all of this in 2 days and I cba to fix this atm
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// TODO: Fix everything
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constructor(client) {
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this.client = client;
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this.mainServer = null;
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this.bansServer = null;
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const opts = client._options;
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this.categories = opts.modmailCategory;
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this.graveyardInactive = opts.graveyardInactive;
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this.readInactive = opts.readInactive;
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this.channelSweepInterval = opts.channelSweepInterval;
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this.saveInterval = opts.saveInterval;
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this.anonColor = opts.anonColor;
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this.reminderInterval = opts.modmailReminderInterval || 30;
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this._reminderChannel = opts.modmailReminderChannel || null;
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this.reminderChannel = null;
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this.updatedThreads = [];
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this.queue = [];
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this.mmcache = {};
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this.spammers = {};
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this.replies = {};
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this.awaitingChannel = {};
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this.lastReminder = null;
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}
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init() {
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this.mainServer = this.client.mainServer;
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if (!this.mainServer) throw new Error(`Missing main server`);
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this.bansServer = this.client.bansServer;
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if (!this.bansServer) this.client.logger.warn(`Missing bans server`);
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if (!this.anonColor) this.anonColor = this.mainServer.me.highestRoleColor;
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const { channels } = this.mainServer;
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this.newMail = channels.resolve(this.categories[0]);
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this.readMail = channels.resolve(this.categories[1]);
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this.graveyard = channels.resolve(this.categories[2]);
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this.replies = this.loadReplies();
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this.queue = this.client.cache.queue || [];
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if (this._reminderChannel) {
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this.reminderChannel = this.client.channels.resolve(this._reminderChannel);
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this.reminder = setInterval(this.sendReminder.bind(this), this.reminderInterval * 60 * 1000);
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}
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// Sweep graveyard every 30 min and move stale channels to graveyard
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this.sweeper = setInterval(this.sweepChannels.bind(this), this.channelSweepInterval * 60 * 1000);
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this.saver = setInterval(this.saveHistory.bind(this), this.saveInterval * 60 * 1000);
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let logStr = `Started modmail handler for ${this.mainServer.name}`;
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if (this.bansServer) logStr += ` with ${this.bansServer.name} for ban appeals`;
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this.client.logger.info(logStr);
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//this.client.logger.info(`Fetching messages from discord for modmail`);
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// TODO: Fetch messages from discord in modmail channels
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}
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async getMember(user) {
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let result = this.mainServer.members.cache.get(user);
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if(!result) result = await this.mainServer.members.fetch(user).catch(() => {
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return null;
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});
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if (!result && this.bansServer) {
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result = this.bansServer.members.cache.get(user);
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if(!result) result = await this.bansServer.members.fetch(user).catch(() => {
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return null;
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});
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if (result) result.banned = true;
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}
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return result;
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}
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async getUser(user) {
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let result = this.client.users.cache.get(user);
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if (!result) result = await this.client.users.fetch(user).catch(() => {
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return null;
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});
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return result;
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}
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async handleUser(message) {
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const { author, content } = message;
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const member = await this.getMember(author.id);
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if (!member) return; // No member object found in main or bans server?
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const now = Math.floor(Date.now() / 1000);
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if (!this.client.cache.lastActivity) this.client.cache.lastActivity = {};
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const lastActivity = this.client.cache.lastActivity[author.id];
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//console.log(now - lastActivity, lastActivity, now)
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if (!lastActivity || now - lastActivity > 30 * 60) {
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await author.send(`Thank you for your message, we'll get back to you soon!`);
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}
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this.client.cache.lastActivity[author.id] = now;
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const { cache } = this.client;
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if (!cache.channels) cache.channels = {};
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// Anti spam
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if (!this.spammers[author.id]) this.spammers[author.id] = { start: now, count: 1, timeout: false, warned: false };
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else {
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if (this.spammers[author.id].timeout) {
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if (now - this.spammers[author.id].start > 5 * 60) this.spammers[author.id] = { start: now, count: 1, timeout: false, warned: false };
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else return;
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} else if (this.spammers[author.id].count > 5 && now - this.spammers[author.id].start < 15) {
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this.spammers[author.id].timeout = true;
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if (!this.spammers[author.id].warned) {
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this.spammers[author.id].warned = true;
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await author.send(`I've blocked you for spamming, please try again in 5 minutes`);
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if (cache._channels[author.id]) await cache._channels[author.id].send(`I've blocked ${author.tag} from DMing me as they were spamming.`);
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}
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} else {
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if (now - this.spammers[author.id].start > 15) this.spammers[author.id] = { start: now, count: 1, timeout: false, warned: false };
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else this.spammers[author.id].count++;
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}
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}
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const pastModmail = await this.loadHistory(author.id)
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.catch((err) => {
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this.client.logger.error(`Error during loading of past mail:\n${err.stack}`);
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return { error: true };
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});
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if (pastModmail.error) return author.send(`Internal error, this has been logged.`);
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const channel = await this.loadChannel(member, pastModmail)
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.catch((err) => {
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this.client.logger.error(`Error during channel handling:\n${err.stack}`);
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return { error: true };
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});
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if (channel.error) return author.send(`Internal error, this has been logged.`);
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if (!cache._channels) cache._channels = {};
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cache._channels[author.id] = channel;
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const embed = {
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footer: {
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text: member.id
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},
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author: {
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name: member.user.tag,
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// eslint-disable-next-line camelcase
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icon_url: member.user.displayAvatarURL({ dynamic: true })
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},
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// eslint-disable-next-line no-nested-ternary
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description: content && content.length ? content.length > 2000 ? `${content.substring(0, 2000)}...\n\n**Content cut off**` : content : `**__MISSING CONTENT__**`,
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color: member.highestRoleColor,
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fields: [],
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timestamp: new Date()
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};
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const attachments = message.attachments.map((att) => att.url);
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if (message.attachments.size) {
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embed.fields.push({
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name: '__Attachments__',
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value: attachments.join('\n').substring(0, 1000)
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});
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}
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pastModmail.push({ attachments, author: author.id, content, timestamp: Date.now(), isReply: false });
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if (!this.updatedThreads.includes(author.id)) this.updatedThreads.push(author.id);
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this.queue.push(author.id);
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await channel.send({ embed }).catch((err) => {
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this.client.logger.error(`channel.send errored:\n${err.stack}\nContent: "${content}"`);
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});
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}
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/**
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* Process channels for incoming modmail
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*
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* @param {GuildMember} member
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* @param {string} id
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* @param {Array<object>} history
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* @return {TextChannel}
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* @memberof Modmail
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*/
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loadChannel(member, history) {
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if (this.awaitingChannel[member.id]) return this.awaitingChannel[member.id];
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// eslint-disable-next-line no-async-promise-executor
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const promise = new Promise(async (resolve, reject) => {
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const channelID = this.client.cache.channels[member.id];
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const guild = this.mainServer;
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const { user } = member;
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let channel = guild.channels.resolve(channelID);
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const { context } = this.client._options;
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if (this.newMail.children.size >= 45) this.overflow();
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if (!channel) { // Create and populate channel
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channel = await guild.channels.create(`${user.username}_${user.discriminator}`, {
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parent: this.newMail.id
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});
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// Start with user info embed
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const embed = {
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author: { name: user.tag },
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thumbnail: {
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url: user.displayAvatarURL({ dynamic: true })
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},
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fields: [
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{
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name: '__User Data__',
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value: `**User:** <@${user.id}>\n` +
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`**Account created:** ${user.createdAt.toDateString()}\n`,
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inline: false
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}
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],
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footer: { text: `• User ID: ${user.id}` },
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color: guild.me.highestRoleColor
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};
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if (member.banned) embed.description = `**__USER IS IN BANLAND__**`;
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else embed.fields.push({
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name: '__Member Data__',
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value: `**Nickname:** ${member.nickname || 'N/A'}\n` +
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`**Server join date:** ${member.joinedAt.toDateString()}\n` +
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`**Roles:** ${member.roles.cache.map((r) => `<@&${r.id}>`).join(' ')}`,
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inline: false
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});
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await channel.send({ embed });
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// Load in context
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const len = history.length;
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for (let i = context < len ? context : len; i > 0; i--) {
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const entry = history[len - i];
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if (!entry) continue;
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if (entry.markread) {
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i++;
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continue;
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}
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const user = await this.client.resolveUser(entry.author).catch(this.client.logger.error.bind(this.client.logger));
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const mem = await this.getMember(user.id).catch(this.client.logger.error.bind(this.client.logger));
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if (!user) return reject(new Error(`Failed to find user`));
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const embed = {
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footer: {
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text: user.id
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},
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author: {
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name: user.tag + (entry.anon ? ' (ANONYMOUS REPLY)' : ''),
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// eslint-disable-next-line camelcase
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icon_url: user.displayAvatarURL({ dynamic: true })
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},
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description: entry.content,
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color: mem?.highestRoleColor || 0,
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fields: [],
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timestamp: new Date(entry.timestamp)
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};
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if (entry.attachments && entry.attachments.length) embed.fields.push({
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name: '__Attachments__',
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value: entry.attachments.join('\n').substring(0, 1000)
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});
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await channel.send({ embed });
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}
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this.client.cache.channels[user.id] = channel.id;
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}
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// Ensure the right category
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//if (channel.parentID !== this.newMail.id)
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await channel.edit({ parentID: this.newMail.id, lockPermissions: true }).catch((err) => {
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this.client.logger.error(`Error during channel transition:\n${err.stack}`);
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});
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delete this.awaitingChannel[user.id];
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resolve(channel);
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});
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this.awaitingChannel[member.id] = promise;
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return promise;
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}
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async sendCannedResponse({ message, responseName, anon }) {
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const content = this.getCanned(responseName);
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if (!content) return {
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error: true,
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msg: `No canned reply by the name \`${responseName}\` exists`
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};
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return this.sendResponse({ message, content, anon });
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}
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async sendResponse({ message, content, anon }) {
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const { channel, member, author } = message;
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if (!this.categories.includes(channel.parentID)) return {
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error: true,
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msg: `This command only works in modmail channels.`
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};
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const chCache = this.client.cache.channels;
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const result = Object.entries(chCache).find(([, val]) => {
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return val === channel.id;
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});
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if (!result) return {
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error: true,
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msg: `This doesn't seem to be a valid modmail channel. Cache might be out of sync. **[MISSING TARGET]**`
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};
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const [userId] = result;
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const targetUser = await this.getUser(userId);
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//const targetMember = await this.getMember(userId);
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if (!targetUser) return {
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error: true,
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msg: `User seems to have left.\nReport this if the user is still present.`
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};
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const history = await this.loadHistory(userId);
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history.push({ author: member.id, content, timestamp: Date.now(), isReply: true, anon });
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if (this.queue.includes(userId)) this.queue.splice(this.queue.indexOf(userId), 1);
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const embed = {
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author: {
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name: anon ? `${this.mainServer.name.toUpperCase()} STAFF` : author.tag,
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// eslint-disable-next-line camelcase
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icon_url: anon ? this.mainServer.iconURL({ dynamic: true }) : author.displayAvatarURL({ dynamic: true })
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},
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description: content,
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color: anon ? this.anonColor : member.highestRoleColor
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};
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const sent = await targetUser.send({ embed }).catch((err) => {
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this.client.logger.warn(`Error during DMing user: ${err.message}`);
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return {
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error: true,
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msg: `Failed to send message to target.`
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};
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});
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if (sent.error) return sent;
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if (anon) embed.author = {
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name: `${author.tag} (ANON)`,
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// eslint-disable-next-line camelcase
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icon_url: author.displayAvatarURL({ dynamic: true })
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};
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await channel.send({ embed }).catch((err) => {
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this.client.logger.error(`channel.send errored:\n${err.stack}\nContent: "${content}"`);
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});
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if (this.readMail.children.size > 45) this.sweepChannels({ count: 5, force: true });
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await channel.edit({ parentID: this.readMail.id, lockPermissions: true }).catch((err) => {
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this.client.logger.error(`Error during channel transition:\n${err.stack}`);
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});
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await message.delete().catch(this.client.logger.warn.bind(this.client.logger));
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if (!this.updatedThreads.includes(userId)) this.updatedThreads.push(userId);
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}
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async sendModmail({ message, content, anon, target }) {
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const targetMember = await this.getMember(target.id);
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if (!targetMember) return {
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error: true,
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msg: `Cannot find member`
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};
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const history = await this.loadHistory(target.id)
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.catch((err) => {
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this.client.logger.error(`Error during loading of past mail:\n${err.stack}`);
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return { error: true };
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});
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if (history.error) return {
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error: true,
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msg: `Internal error, this has been logged.`
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};
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const { author, member } = message;
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const embed = {
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author: {
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name: anon ? `${this.mainServer.name.toUpperCase()} STAFF` : author.tag,
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// eslint-disable-next-line camelcase
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icon_url: anon ? this.mainServer.iconURL({ dynamic: true }) : author.displayAvatarURL({ dynamic: true })
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},
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description: content,
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color: anon ? this.anonColor : member.highestRoleColor
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};
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const sent = await target.send({ embed }).catch((err) => {
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this.client.logger.warn(`Error during DMing user: ${err.message}`);
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return {
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error: true,
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msg: `Failed to send message to target.`
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};
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});
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if (sent.error) return sent;
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await message.channel.send('Delivered.').catch(this.client.logger.error.bind(this.client.logger));
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const channel = await this.loadChannel(targetMember, history).catch(this.client.logger.error.bind(this.client.logger));
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history.push({ author: member.id, content, timestamp: Date.now(), isReply: true, anon });
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if (this.queue.includes(target.id)) this.queue.splice(this.queue.indexOf(target.id), 1);
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if (!this.updatedThreads.includes(target.id)) this.updatedThreads.push(target.id);
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await channel.send({ embed }).catch(this.client.logger.error.bind(this.client.logger));
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await channel.edit({ parentID: this.readMail.id, lockPermissions: true }).catch(this.client.logger.error.bind(this.client.logger));
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}
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/**
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*
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*
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* @param {object} { age, count, force } age: how long the channel has to be without activity to be deleted, count: how many channels to act on, force: whether to ignore answered status
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* @memberof Modmail
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*/
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async sweepChannels({ age, count, force = false } = {}) {
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this.client.logger.info(`Sweeping graveyard`);
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const now = Date.now();
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const graveyardChannels = this.graveyard.children.sort((a, b) => {
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if (!a.lastMessage) return -1;
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if (!b.lastMessage) return 1;
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return a.lastMessage.createdTimestamp - b.lastMessage.createdTimestamp;
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}).array();
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let channelCount = 0;
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if (!age) age = this.graveyardInactive * 60 * 1000; // 1 hour
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for (const channel of graveyardChannels) {
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const { lastMessage } = channel;
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if (!lastMessage || now - lastMessage.createdTimestamp > age || count && channelCount <= count) {
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await channel.delete().then((ch) => {
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const chCache = this.client.cache.channels;
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const _cached = Object.entries(chCache).find(([, val]) => {
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return val === ch.id;
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});
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if (_cached) {
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const [userId] = _cached;
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delete chCache[userId];
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}
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}).catch((err) => {
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this.client.logger.error(`Failed to delete channel from graveyard during sweep:\n${err.stack}`);
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});
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channelCount++;
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}
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}
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this.client.logger.info(`Swept ${channelCount} channels from graveyard, cleaning up answered...`);
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const answered = this.readMail.children
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.filter((channel) => !channel.lastMessage || channel.lastMessage.createdTimestamp < Date.now() - this.readInactive * 60 * 1000 || force)
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.sort((a, b) => {
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if (!a.lastMessage) return -1;
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if (!b.lastMessage) return 1;
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return a.lastMessage.createdTimestamp - b.lastMessage.createdTimestamp;
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}).array();
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let chCount = this.graveyard.children.size;
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for (const ch of answered) {
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if (chCount < 50) {
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await ch.edit({ parentID: this.graveyard.id, lockPermissions: true }).catch((err) => {
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this.client.logger.error(`Failed to move channel to graveyard during sweep:\n${err.stack}`);
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});
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chCount++;
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} else break;
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}
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this.client.logger.info(`Sweep done. Took ${Date.now() - now}ms`);
|
|
|
|
}
|
|
|
|
async overflow() { // Overflows new modmail category into read
|
|
const channels = this.newMail.children.sort((a, b) => {
|
|
if (!a.lastMessage) return -1;
|
|
if (!b.lastMessage) return 1;
|
|
return a.lastMessage.createdTimestamp - b.lastMessage.createdTimestamp;
|
|
}).array();
|
|
|
|
if (this.readMail.children.size >= 45) await this.sweepChannels({ count: 5, force: true });
|
|
|
|
let counter = 0;
|
|
for (const channel of channels) {
|
|
await channel.edit({ parentID: this.readMail.id, lockPermissions: true });
|
|
counter++;
|
|
if (counter === 5) break;
|
|
}
|
|
}
|
|
|
|
async markread(message) {
|
|
|
|
const { channel, author } = message;
|
|
|
|
if (!this.categories.includes(channel.parentID)) return {
|
|
error: true,
|
|
msg: `This command only works in modmail channels.`
|
|
};
|
|
|
|
const chCache = this.client.cache.channels;
|
|
const result = Object.entries(chCache).find(([, val]) => {
|
|
return val === channel.id;
|
|
});
|
|
|
|
if (!result) return {
|
|
error: true,
|
|
msg: `This doesn't seem to be a valid modmail channel. Cache might be out of sync. **[MISSING TARGET]**`
|
|
};
|
|
|
|
const [userId] = result;
|
|
const history = await this.loadHistory(userId)
|
|
.catch((err) => {
|
|
this.client.logger.error(`Error during loading of past mail:\n${err.stack}`);
|
|
return { error: true };
|
|
});
|
|
if (history.error) return {
|
|
error: true,
|
|
msg: `Internal error, this has been logged.`
|
|
};
|
|
history.push({ author: author.id, timestamp: Date.now(), markread: true }); // To keep track of read state
|
|
if (this.queue.includes(userId)) this.queue.splice(this.queue.indexOf(userId), 1);
|
|
|
|
await channel.edit({ parentID: this.readMail.id, lockPermissions: true });
|
|
if (!this.updatedThreads.includes(author.id)) this.updatedThreads.push(userId);
|
|
return `Done`;
|
|
|
|
}
|
|
|
|
async sendReminder() {
|
|
|
|
const channel = this.reminderChannel;
|
|
const amount = this.queue.length;
|
|
let str = '';
|
|
|
|
if (!amount) str = 'No modmail in queue';
|
|
else str = `${amount} modmail in queue.`;
|
|
|
|
if (this.lastReminder) {
|
|
if (channel.lastMessage.id === this.lastReminder.id) return this.lastReminder.edit(str);
|
|
await this.lastReminder.delete();
|
|
} else this.lastReminder = await channel.send(str);
|
|
|
|
}
|
|
|
|
loadHistory(userId) {
|
|
|
|
return new Promise((resolve, reject) => {
|
|
|
|
if (this.mmcache[userId]) return resolve(this.mmcache[userId]);
|
|
|
|
const path = `./modmail_cache/${userId}.json`;
|
|
if (!fs.existsSync(path)) {
|
|
this.mmcache[userId] = [];
|
|
return resolve(this.mmcache[userId]);
|
|
}
|
|
|
|
fs.readFile(path, { encoding: 'utf-8' }, (err, data) => {
|
|
if (err) reject(err);
|
|
const parsed = JSON.parse(data);
|
|
this.mmcache[userId] = parsed;
|
|
resolve(parsed);
|
|
});
|
|
|
|
});
|
|
|
|
}
|
|
|
|
saveHistory() {
|
|
|
|
if (!this.updatedThreads.length) return;
|
|
const toSave = [...this.updatedThreads];
|
|
this.updatedThreads = [];
|
|
this.client.logger.debug(`Saving modmail data`);
|
|
if (!fs.existsSync('./modmail_cache')) fs.mkdirSync('./modmail_cache');
|
|
|
|
for (const id of toSave) {
|
|
const path = `./modmail_cache/${id}.json`;
|
|
try {
|
|
fs.writeFileSync(path, JSON.stringify(this.mmcache[id]));
|
|
} catch (err) {
|
|
this.client.logger.error(`Error during saving of history\n${id}\n${JSON.stringify(this.mmcache)}\n${err.stack}`);
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
getCanned(name) {
|
|
return this.replies[name.toLowerCase()];
|
|
}
|
|
|
|
loadReplies() {
|
|
|
|
this.client.logger.info('Loading canned replies');
|
|
if (!fs.existsSync('./canned_replies.json')) return {};
|
|
return JSON.parse(fs.readFileSync('./canned_replies.json', { encoding: 'utf-8' }));
|
|
|
|
}
|
|
|
|
saveReplies() {
|
|
|
|
this.client.logger.info('Saving canned replies');
|
|
fs.writeFileSync('./canned_replies.json', JSON.stringify(this.replies));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
module.exports = Modmail; |