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import { addToArray, format, Highlight, removeFromArray, timestamp, type HighlightWord } from '#lib';
import assert from 'assert/strict';
import {
ChannelType,
Collection,
GuildMember,
type Channel,
type Client,
type Message,
type Snowflake,
type TextBasedChannel
} from 'discord.js';
import { colors, Time } from '../utils/BushConstants.js';
import { sanitizeInputForDiscord } from '../utils/Format.js';
const NOTIFY_COOLDOWN = 5 * Time.Minute;
const OWNER_NOTIFY_COOLDOWN = 5 * Time.Minute;
const LAST_MESSAGE_COOLDOWN = 5 * Time.Minute;
type users = Set<Snowflake>;
type channels = Set<Snowflake>;
type word = HighlightWord;
type guild = Snowflake;
type user = Snowflake;
type lastMessage = Date;
type lastDM = Message;
type lastDmInfo = [lastDM: lastDM, guild: guild, channel: Snowflake, highlights: HighlightWord[]];
export class HighlightManager {
public static keep = new Set<Snowflake>();
/**
* Cached guild highlights.
*/
public readonly guildHighlights = new Collection<guild, Collection<word, users>>();
//~ /**
//~ * Cached global highlights.
//~ */
//~ public readonly globalHighlights = new Collection<word, users>();
/**
* A collection of cooldowns of when a user last sent a message in a particular guild.
*/
public readonly userLastTalkedCooldown = new Collection<guild, Collection<user, lastMessage>>();
/**
* Users that users have blocked
*/
public readonly userBlocks = new Collection<guild, Collection<user, users>>();
/**
* Channels that users have blocked
*/
public readonly channelBlocks = new Collection<guild, Collection<user, channels>>();
/**
* A collection of cooldowns of when the bot last sent each user a highlight message.
*/
public readonly lastedDMedUserCooldown = new Collection<user, lastDmInfo>();
/**
* @param client The client to use.
*/
public constructor(public readonly client: Client) {}
/**
* Sync the cache with the database.
*/
public async syncCache(): Promise<void> {
const highlights = await Highlight.findAll();
this.guildHighlights.clear();
for (const highlight of highlights) {
highlight.words.forEach((word) => {
if (!this.guildHighlights.has(highlight.guild)) this.guildHighlights.set(highlight.guild, new Collection());
const guildCache = this.guildHighlights.get(highlight.guild)!;
if (!guildCache.get(word)) guildCache.set(word, new Set());
guildCache.get(word)!.add(highlight.user);
});
if (!this.userBlocks.has(highlight.guild)) this.userBlocks.set(highlight.guild, new Collection());
this.userBlocks.get(highlight.guild)!.set(highlight.user, new Set(highlight.blacklistedUsers));
if (!this.channelBlocks.has(highlight.guild)) this.channelBlocks.set(highlight.guild, new Collection());
this.channelBlocks.get(highlight.guild)!.set(highlight.user, new Set(highlight.blacklistedChannels));
}
}
/**
* Checks a message for highlights.
* @param message The message to check.
* @returns A collection users mapped to the highlight matched
*/
public checkMessage(message: Message): Collection<Snowflake, HighlightWord> {
// even if there are multiple matches, only the first one is returned
const ret = new Collection<Snowflake, HighlightWord>();
if (!message.content || !message.inGuild()) return ret;
if (!this.guildHighlights.has(message.guildId)) return ret;
const guildCache = this.guildHighlights.get(message.guildId)!;
for (const [word, users] of guildCache.entries()) {
if (!this.isMatch(message.content, word)) continue;
for (const user of users) {
if (ret.has(user)) continue;
if (!message.channel.permissionsFor(user)?.has('ViewChannel')) continue;
const blockedUsers = this.userBlocks.get(message.guildId)?.get(user) ?? new Set();
if (blockedUsers.has(message.author.id)) {
void this.client.console.verbose(
'Highlight',
`Highlight ignored because <<${this.client.users.cache.get(user)?.tag ?? user}>> blocked the user <<${
message.author.tag
}>>`
);
continue;
}
const blockedChannels = this.channelBlocks.get(message.guildId)?.get(user) ?? new Set();
if (blockedChannels.has(message.channel.id)) {
void this.client.console.verbose(
'Highlight',
`Highlight ignored because <<${this.client.users.cache.get(user)?.tag ?? user}>> blocked the channel <<${
message.channel.name
}>>`
);
continue;
}
if (message.mentions.has(user)) {
void this.client.console.verbose(
'Highlight',
`Highlight ignored because <<${this.client.users.cache.get(user)?.tag ?? user}>> is already mentioned in the message.`
);
continue;
}
ret.set(user, word);
}
}
return ret;
}
/**
* Checks a user provided phrase for their highlights.
* @param guild The guild to check in.
* @param user The user to get the highlights for.
* @param phrase The phrase for highlights in.
* @returns A collection of the user's highlights mapped to weather or not it was matched.
*/
public async checkPhrase(guild: Snowflake, user: Snowflake, phrase: string): Promise<Collection<HighlightWord, boolean>> {
const highlights = await Highlight.findAll({ where: { guild, user } });
const results = new Collection<HighlightWord, boolean>();
for (const highlight of highlights) {
for (const word of highlight.words) {
results.set(word, this.isMatch(phrase, word));
}
}
return results;
}
/**
* Checks a particular highlight for a match within a phrase.
* @param phrase The phrase to check for the word in.
* @param hl The highlight to check for.
* @returns Whether or not the highlight was matched.
*/
private isMatch(phrase: string, hl: HighlightWord): boolean {
if (hl.regex) {
return new RegExp(hl.word, 'gi').test(phrase);
} else {
if (hl.word.includes(' ')) {
return phrase.toLocaleLowerCase().includes(hl.word.toLocaleLowerCase());
} else {
const words = phrase.split(/\s*\b\s/);
return words.some((w) => w.toLocaleLowerCase() === hl.word.toLocaleLowerCase());
}
}
}
/**
* Adds a new highlight to a user in a particular guild.
* @param guild The guild to add the highlight to.
* @param user The user to add the highlight to.
* @param hl The highlight to add.
* @returns A string representing a user error or a boolean indicating the database success.
*/
public async addHighlight(guild: Snowflake, user: Snowflake, hl: HighlightWord): Promise<string | boolean> {
if (!this.guildHighlights.has(guild)) this.guildHighlights.set(guild, new Collection());
const guildCache = this.guildHighlights.get(guild)!;
if (!guildCache.has(hl)) guildCache.set(hl, new Set());
guildCache.get(hl)!.add(user);
const [highlight] = await Highlight.findOrCreate({ where: { guild, user } });
if (highlight.words.some((w) => w.word === hl.word)) return `You have already highlighted "${hl.word}".`;
highlight.words = addToArray(highlight.words, hl);
return Boolean(await highlight.save().catch(() => false));
}
/**
* Removes a highlighted word for a user in a particular guild.
* @param guild The guild to remove the highlight from.
* @param user The user to remove the highlight from.
* @param hl The word to remove.
* @returns A string representing a user error or a boolean indicating the database success.
*/
public async removeHighlight(guild: Snowflake, user: Snowflake, hl: string): Promise<string | boolean> {
if (!this.guildHighlights.has(guild)) this.guildHighlights.set(guild, new Collection());
const guildCache = this.guildHighlights.get(guild)!;
const wordCache = guildCache.find((_, key) => key.word === hl);
if (!wordCache?.has(user)) return `You have not highlighted "${hl}".`;
wordCache!.delete(user);
const [highlight] = await Highlight.findOrCreate({ where: { guild, user } });
const toRemove = highlight.words.find((w) => w.word === hl);
if (!toRemove) return `Uhhhhh... This shouldn't happen.`;
highlight.words = removeFromArray(highlight.words, toRemove);
return Boolean(await highlight.save().catch(() => false));
}
/**
* Remove all highlight words for a user in a particular guild.
* @param guild The guild to remove the highlights from.
* @param user The user to remove the highlights from.
* @returns A boolean indicating the database success.
*/
public async removeAllHighlights(guild: Snowflake, user: Snowflake): Promise<boolean> {
if (!this.guildHighlights.has(guild)) this.guildHighlights.set(guild, new Collection());
const guildCache = this.guildHighlights.get(guild)!;
for (const [word, users] of guildCache.entries()) {
if (users.has(user)) users.delete(user);
if (users.size === 0) guildCache.delete(word);
}
const highlight = await Highlight.findOne({ where: { guild, user } });
if (!highlight) return false;
highlight.words = [];
return Boolean(await highlight.save().catch(() => false));
}
/**
* Adds a new user or channel block to a user in a particular guild.
* @param guild The guild to add the block to.
* @param user The user that is blocking the target.
* @param target The target that is being blocked.
* @returns The result of the operation.
*/
public async addBlock(
guild: Snowflake,
user: Snowflake,
target: GuildMember | TextBasedChannel
): Promise<HighlightBlockResult> {
const cacheKey = `${target instanceof GuildMember ? 'user' : 'channel'}Blocks` as const;
const databaseKey = `blacklisted${target instanceof GuildMember ? 'Users' : 'Channels'}` as const;
const [highlight] = await Highlight.findOrCreate({ where: { guild, user } });
if (highlight[databaseKey].includes(target.id)) return HighlightBlockResult.ALREADY_BLOCKED;
const newBlocks = addToArray(highlight[databaseKey], target.id);
highlight[databaseKey] = newBlocks;
const res = await highlight.save().catch(() => false);
if (!res) return HighlightBlockResult.ERROR;
if (!this[cacheKey].has(guild)) this[cacheKey].set(guild, new Collection());
const guildBlocks = this[cacheKey].get(guild)!;
guildBlocks.set(user, new Set(newBlocks));
return HighlightBlockResult.SUCCESS;
}
/**
* Removes a user or channel block from a user in a particular guild.
* @param guild The guild to remove the block from.
* @param user The user that is unblocking the target.
* @param target The target that is being unblocked.
* @returns The result of the operation.
*/
public async removeBlock(guild: Snowflake, user: Snowflake, target: GuildMember | Channel): Promise<HighlightUnblockResult> {
const cacheKey = `${target instanceof GuildMember ? 'user' : 'channel'}Blocks` as const;
const databaseKey = `blacklisted${target instanceof GuildMember ? 'Users' : 'Channels'}` as const;
const [highlight] = await Highlight.findOrCreate({ where: { guild, user } });
if (!highlight[databaseKey].includes(target.id)) return HighlightUnblockResult.NOT_BLOCKED;
const newBlocks = removeFromArray(highlight[databaseKey], target.id);
highlight[databaseKey] = newBlocks;
const res = await highlight.save().catch(() => false);
if (!res) return HighlightUnblockResult.ERROR;
if (!this[cacheKey].has(guild)) this[cacheKey].set(guild, new Collection());
const guildBlocks = this[cacheKey].get(guild)!;
guildBlocks.set(user, new Set(newBlocks));
return HighlightUnblockResult.SUCCESS;
}
/**
* Sends a user a direct message to alert them of their highlight being triggered.
* @param message The message that triggered the highlight.
* @param user The user who's highlights was triggered.
* @param hl The highlight that was matched.
* @returns Whether or a dm was sent.
*/
public async notify(message: Message, user: Snowflake, hl: HighlightWord): Promise<boolean> {
assert(message.inGuild());
this.client.console.debug(`Notifying ${user} of highlight ${hl.word} in ${message.guild.name}`);
dmCooldown: {
const lastDM = this.lastedDMedUserCooldown.get(user);
if (!lastDM?.[0]) break dmCooldown;
const cooldown = this.client.config.owners.includes(user) ? OWNER_NOTIFY_COOLDOWN : NOTIFY_COOLDOWN;
if (new Date().getTime() - lastDM[0].createdAt.getTime() < cooldown) {
void this.client.console.verbose('Highlight', `User <<${user}>> has been DMed recently.`);
if (lastDM[0].embeds.length < 10) {
this.client.console.debug(`Trying to add to notification queue for ${user}`);
return this.addToNotification(lastDM, message, hl);
}
this.client.console.debug(`User has too many embeds (${lastDM[0].embeds.length}).`);
return false;
}
}
talkCooldown: {
const lastTalked = this.userLastTalkedCooldown.get(message.guildId)?.get(user);
if (!lastTalked) break talkCooldown;
presence: {
// incase the bot left the guild
if (message.guild) {
const member = message.guild.members.cache.get(user);
if (!member) {
this.client.console.debug(`No member found for ${user} in ${message.guild.name}`);
break presence;
}
const presence = member.presence ?? (await member.fetch()).presence;
if (!presence) {
this.client.console.debug(`No presence found for ${user} in ${message.guild.name}`);
break presence;
}
if (presence.status === 'offline') {
void this.client.console.verbose('Highlight', `User <<${user}>> is offline.`);
break talkCooldown;
}
}
}
const now = new Date().getTime();
const talked = lastTalked.getTime();
if (now - talked < LAST_MESSAGE_COOLDOWN) {
void this.client.console.verbose('Highlight', `User <<${user}>> has talked too recently.`);
setTimeout(() => {
const newTalked = this.userLastTalkedCooldown.get(message.guildId)?.get(user)?.getTime();
if (talked !== newTalked) return;
void this.notify(message, user, hl);
}, LAST_MESSAGE_COOLDOWN).unref();
return false;
}
}
return this.client.users
.send(user, {
// eslint-disable-next-line @typescript-eslint/no-base-to-string
content: `In ${format.input(message.guild.name)} ${message.channel}, your highlight "${hl.word}" was matched:`,
embeds: [this.generateDmEmbed(message, hl)]
})
.then((dm) => {
this.lastedDMedUserCooldown.set(user, [dm, message.guildId!, message.channelId, [hl]]);
return true;
})
.catch(() => false);
}
private async addToNotification(
[originalDm, guild, channel, originalHl]: lastDmInfo,
message: Message,
hl: HighlightWord
): Promise<boolean> {
assert(originalDm.embeds.length < 10);
assert(originalDm.embeds.length > 0);
assert(originalDm.channel.type === ChannelType.DM);
this.client.console.debug(
`Adding to notification queue for ${originalDm.channel.recipient?.tag ?? originalDm.channel.recipientId}`
);
const sameGuild = guild === message.guildId;
const sameChannel = channel === message.channel.id;
const sameWord = originalHl.every((w) => w.word === hl.word);
/* eslint-disable @typescript-eslint/no-base-to-string */
return originalDm
.edit({
content: `In ${sameGuild ? format.input(message.guild?.name ?? '[Unknown]') : 'multiple servers'} ${
sameChannel ? message.channel ?? '[Unknown]' : 'multiple channels'
}, ${sameWord ? `your highlight "${hl.word}" was matched:` : 'multiple highlights were matched:'}`,
embeds: [...originalDm.embeds.map((e) => e.toJSON()), this.generateDmEmbed(message, hl)]
})
.then(() => true)
.catch(() => false);
/* eslint-enable @typescript-eslint/no-base-to-string */
}
private generateDmEmbed(message: Message, hl: HighlightWord) {
const recentMessages = message.channel.messages.cache
.filter((m) => m.createdTimestamp <= message.createdTimestamp && m.id !== message.id)
.filter((m) => m.cleanContent?.trim().length > 0)
.sort((a, b) => b.createdTimestamp - a.createdTimestamp)
.first(4)
.reverse();
return {
description: [
// eslint-disable-next-line @typescript-eslint/no-base-to-string
message.channel!.toString(),
...[...recentMessages, message].map(
(m) => `${timestamp(m.createdAt, 't')} ${format.input(`${m.author.tag}:`)} ${m.cleanContent.trim().substring(0, 512)}`
)
].join('\n'),
author: { name: hl.regex ? `/${hl.word}/gi` : hl.word },
fields: [{ name: 'Source message', value: `[Jump to message](${message.url})` }],
color: colors.default,
footer: { text: `Triggered in ${sanitizeInputForDiscord(`${message.guild}`)}` },
timestamp: message.createdAt.toISOString()
};
}
/**
* Updates the time that a user last talked in a particular guild.
* @param message The message the user sent.
*/
public updateLastTalked(message: Message): void {
if (!message.inGuild()) return;
const lastTalked = (
this.userLastTalkedCooldown.has(message.guildId)
? this.userLastTalkedCooldown
: this.userLastTalkedCooldown.set(message.guildId, new Collection())
).get(message.guildId)!;
lastTalked.set(message.author.id, new Date());
if (!HighlightManager.keep.has(message.author.id)) HighlightManager.keep.add(message.author.id);
}
}
export enum HighlightBlockResult {
ALREADY_BLOCKED,
ERROR,
SUCCESS
}
export enum HighlightUnblockResult {
NOT_BLOCKED,
ERROR,
SUCCESS
}
|