hippofish/packages/backend/src/services/user-cache.ts
2023-02-12 07:54:59 +00:00

63 lines
1.8 KiB
TypeScript

import type {
CacheableLocalUser,
CacheableUser,
ILocalUser,
} from "@/models/entities/user.js";
import { 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 "localUserUpdated": {
userByIdCache.delete(body.id);
localUserByIdCache.delete(body.id);
localUserByNativeTokenCache.cache.forEach((v, k) => {
if (v.value?.id === body.id) {
localUserByNativeTokenCache.delete(k);
}
});
break;
}
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;
}
}
});