feat(排行榜): 页头显示当前在线人数,在线绿点只给老师
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新增匿名可读的 GET /api/site/online,一条 ZCOUNT 让 Redis 自己数,
不拉成员、也不写(清理过期成员留给后台列表,匿名接口不带写操作)。
榜单页进页面拉一次,为 0 时不显示。

/rankings/users 的 isOnline 是三态:null 表示「这个调用方不该知道」,
只有老师及以上拿到 true/false。写成普通 boolean 的话学生看到的 false
和真的离线分不开,等于默认把每个人的在线状态摊给全校同学看。

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_017xu912Rv5JUUuy6MqMcQW2
This commit is contained in:
2026-09-07 19:36:12 -06:00
co-authored by Claude Opus 5
parent 856b7a280e
commit 6a438872b9
8 changed files with 69 additions and 6 deletions
+10 -1
View File
@@ -1,8 +1,9 @@
import { quoteSchema, websiteConfigSchema } from "@oj2/contract"
import { onlineCountSchema, quoteSchema, websiteConfigSchema } from "@oj2/contract"
import { asc, desc, eq } from "drizzle-orm"
import { Hono } from "hono"
import { resolve } from "node:path"
import { onlineCount } from "../auth/presence"
import { config } from "../config"
import { db, schema } from "../db"
import { failure, success } from "../http"
@@ -25,6 +26,14 @@ siteRoutes.get("/site", async (c) => {
}))
})
/**
* 当前在线人数。匿名可读 —— 一个聚合数字不暴露任何人的身份,
* 而榜单页本身就允许匿名看。谁在线是另一回事,只在 /rankings/users 里对老师下发。
*/
siteRoutes.get("/site/online", async (c) => {
return success(c, onlineCountSchema.parse({ count: await onlineCount() }))
})
// 数据集读不到时的兜底(本机 dev 没挂 data/hitokoto 就会走这里)
const fallbackQuotes = [
{ hitokoto: "程序首先是写给人读的,其次才是让机器执行。", from: "Structure and Interpretation of Computer Programs" },