rudeshark.net/packages/backend/src/misc/antenna-cache.ts
2022-08-04 13:34:18 -07:00

37 lines
815 B
TypeScript

import { Antennas } from '@/models/index.js';
import { Antenna } from '@/models/entities/antenna.js';
import { subscriber } from '@/db/redis.js';
let antennasFetched = false;
let antennas: Antenna[] = [];
export async function getAntennas() {
if (!antennasFetched) {
antennas = await Antennas.find();
antennasFetched = true;
}
return antennas;
}
subscriber.on('message', async (_, data) => {
const obj = JSON.parse(data);
if (obj.channel === 'internal') {
const { type, body } = obj.message;
switch (type) {
case 'antennaCreated':
antennas.push(body);
break;
case 'antennaUpdated':
antennas[antennas.findIndex(a => a.id === body.id)] = body;
break;
case 'antennaDeleted':
antennas = antennas.filter(a => a.id !== body.id);
break;
default:
break;
}
}
});