out-of-your-element/d2m/actions/delete-message.js

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// @ts-check
const passthrough = require("../../passthrough")
const {sync, db, select, from} = passthrough
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/** @type {import("../../matrix/api")} */
const api = sync.require("../../matrix/api")
/**
* @param {import("discord-api-types/v10").GatewayMessageDeleteDispatchData} data
*/
async function deleteMessage(data) {
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const roomID = select("channel_room", "room_id", {channel_id: data.channel_id}).pluck().get()
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if (!roomID) return
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const eventsToRedact = select("event_message", "event_id", {message_id: data.id}).pluck().all()
db.prepare("DELETE FROM message_channel WHERE message_id = ?").run(data.id)
db.prepare("DELETE FROM event_message WHERE message_id = ?").run(data.id)
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for (const eventID of eventsToRedact) {
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// Unfortunately, we can't specify a sender to do the redaction as, unless we find out that info via the audit logs
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await api.redactEvent(roomID, eventID)
}
}
/**
* @param {import("discord-api-types/v10").GatewayMessageDeleteBulkDispatchData} data
*/
async function deleteMessageBulk(data) {
const roomID = select("channel_room", "room_id", {channel_id: data.channel_id}).pluck().get()
if (!roomID) return
const sids = JSON.stringify(data.ids)
const eventsToRedact = from("event_message").pluck("event_id").and("WHERE message_id IN (SELECT value FROM json_each(?)").all(sids)
db.prepare("DELETE FROM message_channel WHERE message_id IN (SELECT value FROM json_each(?)").run(sids)
db.prepare("DELETE FROM event_message WHERE message_id IN (SELECT value FROM json_each(?)").run(sids)
for (const eventID of eventsToRedact) {
// Awaiting will make it go slower, but since this could be a long-running operation either way, we want to leave rate limit capacity for other operations
await api.redactEvent(roomID, eventID)
}
}
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module.exports.deleteMessage = deleteMessage
module.exports.deleteMessageBulk = deleteMessageBulk