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import { Highlight, type BushMessage, type HighlightWord } from '#lib';
import assert from 'assert';
import { Collection, type Snowflake } from 'discord.js';
export class HighlightManager {
/**
* Cached highlights: guildId -> word -> userId
*/
public readonly cachedHighlights = new Collection<
/* guild */ Snowflake,
Collection</* word */ HighlightWord, /* users */ Set<Snowflake>>
>();
/**
* A collection of cooldowns of when a user last sent a message in a particular guild.
*/
public readonly userLastTalkedCooldown = new Collection<
/* guild */ Snowflake,
Collection</* user */ Snowflake, /* last message */ Date>
>();
/**
* Users that users have blocked
*/
public readonly userBlocks = new Collection<
/* guild */ Snowflake,
Collection</* word */ Snowflake, /* users */ Set<Snowflake>>
>();
/**
* A collection of cooldowns of when the bot last sent each user a highlight message.
*/
public readonly lastedDMedUserCooldown = new Collection</* user */ Snowflake, /* last dm */ Date>();
/**
* Sync the cache with the database.
*/
public async syncCache(): Promise<void> {
const highlights = await Highlight.findAll();
this.cachedHighlights.clear();
for (const highlight of highlights) {
highlight.words.forEach((word) => {
if (!this.cachedHighlights.has(highlight.guild)) this.cachedHighlights.set(highlight.guild, new Collection());
const guildCache = this.cachedHighlights.get(highlight.guild)!;
if (!guildCache.get(word)) guildCache.set(word, new Set());
guildCache.get(word)!.add(highlight.user);
});
}
}
/**
* Checks a message for highlights.
* @param message The message to check.
* @returns A collection users mapped to the highlight matched
*/
public checkMessage(message: BushMessage): 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.cachedHighlights.has(message.guildId)) return ret;
const guildCache = this.cachedHighlights.get(message.guildId)!;
for (const [word, users] of guildCache.entries()) {
if (this.isMatch(message.content, word)) {
for (const user of users) {
if (!ret.has(user)) 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.includes(hl.word);
}
}
}
/**
* 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.cachedHighlights.has(guild)) this.cachedHighlights.set(guild, new Collection());
const guildCache = this.cachedHighlights.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 "${hl.word}".`;
highlight.words = util.addToArray(highlight.words, hl);
return !!(await highlight.save().catch(() => false));
}
/**
* Removes a highlighted word for a user in a particular guild.
* @param guild The guild to remove the highlight from.
* @param user The user to remove the highlight from.
* @param hl The word to remove.
* @returns A string representing a user error or a boolean indicating the database success.
*/
public async removeHighlight(guild: Snowflake, user: Snowflake, hl: string): Promise<string | boolean> {
if (!this.cachedHighlights.has(guild)) this.cachedHighlights.set(guild, new Collection());
const guildCache = this.cachedHighlights.get(guild)!;
const wordCache = guildCache.find((_, key) => key.word === hl);
if (!wordCache?.has(user)) return `You have not highlighted "${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 = util.removeFromArray(highlight.words, toRemove);
return !!(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.cachedHighlights.has(guild)) this.cachedHighlights.set(guild, new Collection());
const guildCache = this.cachedHighlights.get(guild)!;
for (const [word, users] of guildCache.entries()) {
if (users.has(user)) users.delete(user);
if (!users.size) guildCache.delete(word);
}
const [highlight] = await Highlight.findOrCreate({ where: { guild, user } });
highlight.words = [];
return !!(await highlight.save().catch(() => false));
}
public async notify(message: BushMessage, user: Snowflake, hl: HighlightWord): Promise<boolean> {
assert(message.inGuild());
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 client.users
.send(user, {
// eslint-disable-next-line @typescript-eslint/no-base-to-string
content: `In ${util.format.input(message.guild.name)} ${message.channel}, your highlight "${hl.word}" was matched:`,
embeds: [
{
description: [...recentMessages, message]
.map(
(m) =>
`${util.timestamp(m.createdAt, 't')} ${util.format.input(`${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: util.colors.default,
footer: { text: 'Triggered' },
timestamp: message.createdAt.toISOString()
}
]
})
.then(() => true)
.catch(() => false);
}
}
|
