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Merge pull request #59 from notsapinho/main

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MongooseCache resubscription
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Flam3rboy 2021-04-08 18:53:25 +02:00 committed by GitHub
commit 19b1ca48ca
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2 changed files with 35 additions and 18 deletions
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2
package.json
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@ -20,6 +20,7 @@
"lambert-db": "^1.1.8",
"lambert-server": "^1.1.7",
"missing-native-js-functions": "^1.2.3",
"mongoose-autopopulate": "^0.12.3",
"node-fetch": "^2.6.1",
"typescript": "^4.2.3",
"uuid": "^8.3.2",
@ -27,6 +28,7 @@
},
"devDependencies": {
"@types/jsonwebtoken": "^8.5.0",
"@types/mongoose-autopopulate": "^0.10.1",
"@types/uuid": "^8.3.0",
"@types/ws": "^7.4.0"
}

51
src/listener/listener.ts
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@ -2,6 +2,7 @@ import { db, Event, MongooseCache, UserModel, getPermission, Permissions } from
import { OPCODES } from "../util/Constants";
import { Send } from "../util/Send";
import WebSocket from "../util/WebSocket";
import "missing-native-js-functions";
// TODO: close connection on Invalidated Token
// TODO: check intent
@ -11,34 +12,40 @@ import WebSocket from "../util/WebSocket";
// Sharding: calculate if the current shard id matches the formula: shard_id = (guild_id >> 22) % num_shards
// https://discord.com/developers/docs/topics/gateway#sharding
export interface DispatchOpts {
eventStream: MongooseCache;
guilds: Array<string>;
}
function getPipeline(this: WebSocket, guilds: string[]) {
if (this.shard_count) {
guilds = guilds.filter((x) => (BigInt(x) >> 22n) % this.shard_count === this.shard_id);
}
return [
{
$match: {
$or: [{ "fullDocument.guild_id": { $in: guilds } }, { "fullDocument.user_id": this.user_id }],
},
},
];
}
export async function setupListener(this: WebSocket) {
const user = await UserModel.findOne({ id: this.user_id }).lean().exec();
var guilds = user.guilds;
const shard_count = 10n;
const shard_id = 0n;
if (shard_count) {
guilds = user.guilds.filter((x) => (BigInt(x) >> 22n) % shard_count === shard_id);
}
const eventStream = new MongooseCache(db.collection("events"), getPipeline.call(this, guilds), {
onlyEvents: true,
});
const eventStream = new MongooseCache(
db.collection("events"),
[
{
$match: {
$or: [{ "fullDocument.guild_id": { $in: guilds } }, { "fullDocument.user_id": this.user_id }],
},
},
],
{ onlyEvents: true }
);
await eventStream.init();
eventStream.on("insert", dispatch.bind(this));
eventStream.on("insert", (document: Event) => dispatch.call(this, document, { eventStream, guilds }));
this.once("close", () => eventStream.destroy());
}
export async function dispatch(this: WebSocket, document: Event) {
export async function dispatch(this: WebSocket, document: Event, { eventStream, guilds }: DispatchOpts) {
var permission = new Permissions("ADMINISTRATOR"); // default permission for dms
console.log("event", document);
@ -48,6 +55,14 @@ export async function dispatch(this: WebSocket, document: Event) {
permission = await getPermission(this.user_id, document.guild_id, channel_id);
}
if (document.event === "GUILD_CREATE") {
guilds.push(document.guild_id);
eventStream.changeStream(getPipeline.call(this, guilds));
} else if (document.event === "GUILD_DELETE") {
guilds.remove(document.guild);
eventStream.changeStream(getPipeline.call(this, guilds));
}
// check intents: https://discord.com/developers/docs/topics/gateway#gateway-intents
switch (document.event) {
case "GUILD_CREATE":