misskey/src/services/register-or-fetch-instance-...

35 lines
807 B
TypeScript

import { Instance } from '../models/entities/instance';
import { Instances } from '../models';
import { federationChart } from './chart';
import { genId } from '@/misc/gen-id';
import { toPuny } from '@/misc/convert-host';
import { Cache } from '@/misc/cache';
const cache = new Cache<Instance>(1000 * 60 * 60);
export async function registerOrFetchInstanceDoc(host: string): Promise<Instance> {
host = toPuny(host);
const cached = cache.get(host);
if (cached) return cached;
const index = await Instances.findOne({ host });
if (index == null) {
const i = await Instances.save({
id: genId(),
host,
caughtAt: new Date(),
lastCommunicatedAt: new Date(),
});
federationChart.update(true);
cache.set(host, i);
return i;
} else {
cache.set(host, index);
return index;
}
}