misskey/packages/backend/src/misc/fetch-meta.ts
syuilo d071d18dd7
refactor: Use ESM (#8358)
* wip

* wip

* fix

* clean up

* Update tsconfig.json

* Update activitypub.ts

* wip
2022-02-27 11:07:39 +09:00

36 lines
807 B
TypeScript

import { Meta } from '@/models/entities/meta.js';
import { getConnection } from 'typeorm';
let cache: Meta;
export async function fetchMeta(noCache = false): Promise<Meta> {
if (!noCache && cache) return cache;
return await getConnection().transaction(async transactionalEntityManager => {
// 過去のバグでレコードが複数出来てしまっている可能性があるので新しいIDを優先する
const meta = await transactionalEntityManager.findOne(Meta, {
order: {
id: 'DESC',
},
});
if (meta) {
cache = meta;
return meta;
} else {
const saved = await transactionalEntityManager.save(Meta, {
id: 'x',
}) as Meta;
cache = saved;
return saved;
}
});
}
setInterval(() => {
fetchMeta(true).then(meta => {
cache = meta;
});
}, 1000 * 10);