Files
mnote/wolai-frontend/convex/maintenance.ts
T
2026-02-01 08:47:40 +08:00

84 lines
2.7 KiB
TypeScript

import { internalMutation } from "./_generated/server";
import { v } from "convex/values";
import { internal } from "./_generated/api";
const WEEK_MS = 7 * 24 * 60 * 60 * 1000;
async function cleanupByCreationTime(ctx: any, table: string, cutoffMs: number, maxDeletes: number, dryRun: boolean) {
const batchSize = 200;
let deleted = 0;
while (deleted < maxDeletes) {
const take = Math.min(batchSize, maxDeletes - deleted);
const rows = await ctx.db.query(table as any).order("asc").take(take);
if (!rows.length) break;
let reachedNewer = false;
for (const row of rows) {
const created = typeof row._creationTime === "number" ? row._creationTime : 0;
if (created >= cutoffMs) {
reachedNewer = true;
break;
}
if (!dryRun) {
await ctx.db.delete(row._id);
}
deleted += 1;
if (deleted >= maxDeletes) break;
}
if (reachedNewer) break;
}
// 说明:若本次达到上限,可能还有更多旧数据;由调用方决定是否继续调度。
return deleted;
}
export const cleanupWeekly = internalMutation({
args: {
dryRun: v.optional(v.boolean()),
maxDeletes: v.optional(v.number()),
},
handler: async (ctx, args) => {
const dryRun = Boolean(args.dryRun);
const maxDeletes = Math.max(100, Math.min(50_000, Math.floor(args.maxDeletes ?? 20_000)));
const cutoffMs = Date.now() - WEEK_MS;
// 说明:
// - authRefreshTokens/authSessions:来自 @convex-dev/auth,按“只保留最近 7 天”的要求直接清理旧记录。
// - jobs:异步任务表,保留最近 7 天即可(避免长期堆积)。
const perTable = Math.max(100, Math.floor(maxDeletes / 3));
const deletedAuthRefreshTokens = await cleanupByCreationTime(
ctx,
"authRefreshTokens",
cutoffMs,
perTable,
dryRun,
);
const deletedAuthSessions = await cleanupByCreationTime(ctx, "authSessions", cutoffMs, perTable, dryRun);
const deletedJobs = await cleanupByCreationTime(ctx, "jobs", cutoffMs, maxDeletes - perTable * 2, dryRun);
// 若达到上限,兜底再跑一轮(避免一次删太多导致超时)
const hitLimit =
deletedAuthRefreshTokens >= perTable || deletedAuthSessions >= perTable || deletedJobs >= maxDeletes - perTable * 2;
if (!dryRun && hitLimit) {
await ctx.scheduler.runAfter(60_000, (internal as any).maintenance.cleanupWeekly, { dryRun: false, maxDeletes });
}
return {
ok: true,
dryRun,
cutoffMs,
deleted: {
authRefreshTokens: deletedAuthRefreshTokens,
authSessions: deletedAuthSessions,
jobs: deletedJobs,
},
rescheduled: !dryRun && hitLimit,
};
},
});