yumechi-no-kuni/src/misc/antenna-cache.ts

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2021-03-23 01:06:56 -05:00
import { Antennas } from '../models';
import { Antenna } from '../models/entities/antenna';
import { subsdcriber } from '../db/redis';
let antennasFetched = false;
let antennas: Antenna[] = [];
export async function getAntennas() {
if (!antennasFetched) {
antennas = await Antennas.find();
antennasFetched = true;
}
return antennas;
}
subsdcriber.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;
}
}
});