fix(时区): 日历口径收回东八区,读出的时刻统一成 ISO 并保留微秒
旧栈 Django 按 Asia/Shanghai 算日历,OJ2 重写时这个锚点丢了:容器和数据库会话 都是 UTC,于是「今日提交」在北京时间 0–8 点是空的,「凌晨/早起提交次数」整体偏 8 小时,热力图、AC 趋势年份、近两年活跃人数也各按进程时区切。 - 新增 apps/api/src/time.ts 作为唯一锚点(固定 +8 偏移,不依赖进程 TZ / tzdata), todayStart、成就小时/日期键、热力图、月份平移、年份夹逼全部改走它; SQL 里按日历切的一律显式 at time zone。 - db/index.ts:连接会话时区设为东八区(兜底);给 timestamptz(1184) 挂 parser, 读出统一成 ISO 8601 UTC,撤掉为拿 PG 文本形状写的 ::text。parser 保留微秒 —— 生产库 12.3 万条提交几乎全带微秒,截成毫秒会让翻页分界行和班级 AC 排名的 <= min(create_time) 把自己排除(翻页每页丢一条、排名少 1)。 - 前端 parseTime/zonedParts/zonedYear 按 Asia/Shanghai 渲染,n-date-picker 做 toPickerValue/fromPickerValue 平移,站内不再按浏览器时区取时间部件。 - Dockerfile 设 TZ=Asia/Shanghai 作为第二道兜底。 Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01K1d8B3f4SXJwDvUY625eQd
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@@ -21,6 +21,7 @@ import { db, schema } from "../db"
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import { astRequirements } from "../judge/ast"
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import { failure, success } from "../http"
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import { JudgeStatus } from "../judge/status"
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import { calendarDayYearsAgo, startOfCalendarDay } from "../time"
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import { asFilterValue, countFailedSubmissions, objectValue as toObject, queryInteger, sampleUser } from "./helpers"
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export const problemRoutes = new Hono<AppEnv>()
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@@ -178,11 +179,13 @@ problemRoutes.get("/problems/:id/beat-count", optionalAuth, async (c) => {
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inArray(schema.submission.result, [JudgeStatus.ACCEPTED, JudgeStatus.AST_CHECK_FAILED]),
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))
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if (!mine?.value) return success(c, "0")
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const since = new Date(); since.setFullYear(since.getFullYear() - 2); since.setHours(0, 0, 0, 0)
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// 「近两年」按东八区日历算到当天零点。原先是 setFullYear/setHours,
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// 切的是进程时区的零点。
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const since = startOfCalendarDay(calendarDayYearsAgo(2)).toISOString()
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const [active, accepted] = await Promise.all([
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db.select({ value: count() }).from(schema.user).where(and(eq(schema.user.isDisabled, false), gte(schema.user.lastLogin, since.toISOString()))),
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db.select({ value: count() }).from(schema.user).where(and(eq(schema.user.isDisabled, false), gte(schema.user.lastLogin, since))),
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db.select({ value: countDistinct(schema.submission.userId) }).from(schema.submission).where(and(
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eq(schema.submission.problemId, id), inArray(schema.submission.result, [0, 10]), gte(schema.submission.createTime, since.toISOString()),
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eq(schema.submission.problemId, id), inArray(schema.submission.result, [0, 10]), gte(schema.submission.createTime, since),
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)),
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])
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const total = active[0]?.value ?? 0
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