iceshrimp-legacy/packages/backend/src/services/user-cache.ts
2022-08-04 13:34:18 -07:00

45 lines
1.5 KiB
TypeScript

import { CacheableLocalUser, CacheableUser, ILocalUser, User } from '@/models/entities/user.js';
import { Users } from '@/models/index.js';
import { Cache } from '@/misc/cache.js';
import { subscriber } from '@/db/redis.js';
export const userByIdCache = new Cache<CacheableUser>(Infinity);
export const localUserByNativeTokenCache = new Cache<CacheableLocalUser | null>(Infinity);
export const localUserByIdCache = new Cache<CacheableLocalUser>(Infinity);
export const uriPersonCache = new Cache<CacheableUser | null>(Infinity);
subscriber.on('message', async (_, data) => {
const obj = JSON.parse(data);
if (obj.channel === 'internal') {
const { type, body } = obj.message;
switch (type) {
case 'userChangeSuspendedState':
case 'userChangeSilencedState':
case 'userChangeModeratorState':
case 'remoteUserUpdated': {
const user = await Users.findOneByOrFail({ id: body.id });
userByIdCache.set(user.id, user);
for (const [k, v] of uriPersonCache.cache.entries()) {
if (v.value?.id === user.id) {
uriPersonCache.set(k, user);
}
}
if (Users.isLocalUser(user)) {
localUserByNativeTokenCache.set(user.token, user);
localUserByIdCache.set(user.id, user);
}
break;
}
case 'userTokenRegenerated': {
const user = await Users.findOneByOrFail({ id: body.id }) as ILocalUser;
localUserByNativeTokenCache.delete(body.oldToken);
localUserByNativeTokenCache.set(body.newToken, user);
break;
}
default:
break;
}
}
});