73 lines
2.2 KiB
JavaScript
73 lines
2.2 KiB
JavaScript
// @ts-check
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const assert = require("assert")
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const reg = require("../../matrix/read-registration")
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const passthrough = require("../../passthrough")
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const { discord, sync, db } = passthrough
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/** @type {import("../../matrix/api")} */
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const api = sync.require("../../matrix/api")
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/** @type {import("../../matrix/file")} */
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const file = sync.require("../../matrix/file")
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/** @type {import("../converters/user-to-mxid")} */
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const userToMxid = sync.require("../converters/user-to-mxid")
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/**
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* A sim is an account that is being simulated by the bridge to copy events from the other side.
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* @param {import("discord-api-types/v10").APIUser} user
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* @returns mxid
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*/
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async function createSim(user) {
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// Choose sim name
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const simName = userToMxid.userToSimName(user)
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const localpart = reg.namespace_prefix + simName
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const mxid = "@" + localpart + ":cadence.moe"
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// Save chosen name in the database forever
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db.prepare("INSERT INTO sim (discord_id, sim_name, localpart, mxid) VALUES (?, ?, ?, ?)").run(user.id, simName, localpart, mxid)
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// Register matrix user with that name
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await api.register(localpart)
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return mxid
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}
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/**
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* Ensure a sim is registered for the user.
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* If there is already a sim, use that one. If there isn't one yet, register a new sim.
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* @returns mxid
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*/
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async function ensureSim(user) {
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let mxid = null
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const existing = db.prepare("SELECT mxid FROM sim WHERE discord_id = ?").pluck().get(user.id)
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if (existing) {
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mxid = existing
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} else {
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mxid = await createSim(user)
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}
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return mxid
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}
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/**
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* Ensure a sim is registered for the user and is joined to the room.
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* @returns mxid
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*/
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async function ensureSimJoined(user, roomID) {
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// Ensure room ID is really an ID, not an alias
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assert.ok(roomID[0] === "!")
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// Ensure user
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const mxid = await ensureSim(user)
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// Ensure joined
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const existing = db.prepare("SELECT * FROM sim_member WHERE room_id = ? and mxid = ?").get(roomID, mxid)
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if (!existing) {
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await api.inviteToRoom(roomID, mxid)
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await api.joinRoom(roomID, mxid)
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db.prepare("INSERT INTO sim_member (room_id, mxid) VALUES (?, ?)").run(roomID, mxid)
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}
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return mxid
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}
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module.exports.ensureSim = ensureSim
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module.exports.ensureSimJoined = ensureSimJoined
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