47 lines
1.7 KiB
JavaScript
47 lines
1.7 KiB
JavaScript
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// @ts-check
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const assert = require("assert")
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const passthrough = require("../../passthrough")
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const { discord, sync, db } = passthrough
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/** @type {import("../../matrix/read-registration")} */
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const reg = sync.require("../../matrix/read-registration.js")
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const userRegex = reg.namespaces.users.map(u => new RegExp(u.regex))
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/**
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* @param {string} parentRoomID
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* @param {string} threadRoomID
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* @param {string?} creatorMxid
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* @param {import("discord-api-types/v10").APIThreadChannel} thread
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* @param {{api: import("../../matrix/api")}} di simple-as-nails dependency injection for the matrix API
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*/
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async function threadToAnnouncement(parentRoomID, threadRoomID, creatorMxid, thread, di) {
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/** @type {string?} */
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const branchedFromEventID = db.prepare("SELECT event_id FROM event_message WHERE message_id = ?").pluck().get(thread.id)
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/** @type {{"m.mentions"?: any, "m.in_reply_to"?: any}} */
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const context = {}
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if (branchedFromEventID) {
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// Need to figure out who sent that event...
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const event = await di.api.getEvent(parentRoomID, branchedFromEventID)
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context["m.relates_to"] = {"m.in_reply_to": {event_id: event.event_id}}
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if (event.sender && !userRegex.some(rx => event.sender.match(rx))) context["m.mentions"] = {user_ids: [event.sender]}
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}
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const msgtype = creatorMxid ? "m.emote" : "m.text"
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const template = creatorMxid ? "started a thread:" : "Thread started:"
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let body = `${template} ${thread.name} https://matrix.to/#/${threadRoomID}`
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let html = `${template} <a href="https://matrix.to/#/${threadRoomID}">${thread.name}</a>`
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return {
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msgtype,
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body,
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format: "org.matrix.custom.html",
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formatted_body: html,
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"m.mentions": {},
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...context
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}
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}
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module.exports.threadToAnnouncement = threadToAnnouncement
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