53 lines
1.7 KiB
JavaScript
53 lines
1.7 KiB
JavaScript
// @ts-check
|
|
|
|
const DiscordTypes = require("discord-api-types/v10")
|
|
const passthrough = require("../../passthrough")
|
|
const {discord, db} = passthrough
|
|
|
|
const SPEEDBUMP_SPEED = 4000 // 4 seconds delay
|
|
const SPEEDBUMP_UPDATE_FREQUENCY = 2 * 60 * 60 // 2 hours
|
|
|
|
/** @type {Set<any>} */
|
|
const KNOWN_BOTS = new Set([
|
|
"466378653216014359" // PluralKit
|
|
])
|
|
|
|
/**
|
|
* Fetch new speedbump data for the channel and put it in the database as cache
|
|
* @param {string} channelID
|
|
* @param {string?} speedbumpID
|
|
* @param {number?} speedbumpChecked
|
|
*/
|
|
async function updateCache(channelID, speedbumpID, speedbumpChecked) {
|
|
const now = Math.floor(Date.now() / 1000)
|
|
if (speedbumpChecked && now - speedbumpChecked < SPEEDBUMP_UPDATE_FREQUENCY) return
|
|
const webhooks = await discord.snow.webhook.getChannelWebhooks(channelID)
|
|
const found = webhooks.find(b => KNOWN_BOTS.has(b.application_id))
|
|
const foundApplication = found?.application_id
|
|
const foundWebhook = found?.id
|
|
db.prepare("UPDATE channel_room SET speedbump_id = ?, speedbump_webhook_id = ?, speedbump_checked = ? WHERE channel_id = ?").run(foundApplication, foundWebhook, now, channelID)
|
|
}
|
|
|
|
/** @type {Set<string>} set of messageID */
|
|
const bumping = new Set()
|
|
|
|
/**
|
|
* Slow down a message. After it passes the speedbump, return whether it's okay or if it's been deleted.
|
|
* @param {string} messageID
|
|
*/
|
|
async function doSpeedbump(messageID) {
|
|
bumping.add(messageID)
|
|
await new Promise(resolve => setTimeout(resolve, SPEEDBUMP_SPEED))
|
|
return !bumping.delete(messageID)
|
|
}
|
|
|
|
/**
|
|
* @param {string} messageID
|
|
*/
|
|
function onMessageDelete(messageID) {
|
|
bumping.delete(messageID)
|
|
}
|
|
|
|
module.exports.updateCache = updateCache
|
|
module.exports.doSpeedbump = doSpeedbump
|
|
module.exports.onMessageDelete = onMessageDelete
|