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Replace Set with TTLCache for invalid user IDs #5

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Devyxi wants to merge 3 commits into from
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Replace Set with TTLCache for invalid user IDs #5

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81d63f9
Replace Set with TTLCache for invalid user IDs
Devyxi Aug 16, 2026
5ca4052
Refactor invalid user ID management to use TTLSet
Devyxi Aug 16, 2026
c17c0ad
Change INVALID_USER_IDS to use Set for user IDs
Devyxi Aug 16, 2026
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17 changes: 15 additions & 2 deletions src/CRUD/Users.ts
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Original file line number Diff line number Diff line change
@@ -1,12 +1,25 @@
import {LRUCache} from "../Utils/DataStructures/LRUCache.js";
import {TTLCache} from "../Utils/DataStructures/TTLCache.js";
import {client} from "../Client.js";
import {Database} from "../Database.js";
import {SimpleUser} from "../Typings/DatabaseTypes.js";
import {User} from "discord.js";

const cache = new LRUCache<SimpleUser['id'], SimpleUser>(1000);

const INVALID_USER_IDS = new Set<User['id']>();
class TTLSet<K> { // stop complaining about many things mr. musicmaker
#cache: TTLCache<K, null>; // lets be big-brain here cuz we gotta lock in

constructor(ttl?: number) {
this.#cache = new TTLCache(ttl);
}

add(key: K): void { this.#cache.set(key, null); }
has(key: K): boolean { return this.#cache.has(key); }
delete(key: K): void { this.#cache.delete(key); }
}

const INVALID_USER_IDS = new TTLSet<User['id']>();

export async function SaveUser(user: User | SimpleUser): Promise<void> {
const connection = await Database.getConnection();
Expand Down Expand Up @@ -72,4 +85,4 @@ export async function DiscardUser(id: string | bigint): Promise<void> {
export async function DANGER_PurgeUser(id: string | bigint): Promise<void> {
id = BigInt(id);
await Database.query('DELETE FROM Users WHERE id = ?', [id]);
}
}
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