xuyueandClaude Opus 5.5
1c6e2b9d82
Deploy / deploy (push) Canceled after 0s
- 一张榜两个开关：本班 / 本年级 / 全服 × 这周 / 这学期 / 全部，默认本班 · 这学期。 原来最大那张全服 Top100 里，这学期在用的 25 级学生一个都进不去 - 做对一样多的不再按「提交少的在前」排，改成先做到的在前；名次旁边写比周一升降了几名 - 「你」那张卡：第几名、再做对几道上领奖台，要追的人早你几秒、追你的人晚你几秒 - 本年级 / 全服只列前面一段和你附近一段，中间折起来，点开再看 - 班级对抗按人均做对比，另有我和对手的名次走势、这周本班、每周冠军 - 老师不上榜，选班看；每行「⋯」能把怀疑抄代码的学生设成不计入排名（新增 user.rank_hidden_at， 首页周榜同样不算他），随时能恢复 - 去掉全服 Top10、日活两张图、在线人数和班级详情弹框里的统计词，以及它们背后的旧接口 Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
570 lines
21 KiB
TypeScript
570 lines
21 KiB
TypeScript
import { randomBytes } from "node:crypto"
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import { resolve } from "node:path"
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import {
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registerRequestSchema,
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STUDENT_ROLES,
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updateProfileRequestSchema,
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type KnowledgeLevel,
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type KnowledgeMap,
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type Metrics,
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type ProblemRank,
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type WeeklyRank,
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type WeeklyRankItem,
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} from "@oj2/contract"
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import {
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and,
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count,
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countDistinct,
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eq,
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gte,
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inArray,
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isNull,
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lt,
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lte,
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max,
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min,
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notExists,
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or,
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sql,
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} from "drizzle-orm"
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import { alias } from "drizzle-orm/pg-core"
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import { Hono } from "hono"
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import { hashPassword } from "../auth/password"
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import { optionalAuth, requireAuth, type AppEnv } from "../auth/middleware"
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import { config } from "../config"
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import { db, schema } from "../db"
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import { failure, parseBody, success } from "../http"
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import { JudgeStatus } from "../judge/status"
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import { getBooleanOption } from "../services/options"
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import { sniffImageExtension } from "../services/image"
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import { getUserProfileById } from "../services/profile"
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import { clientIp, countAttempt, lockoutRemaining, type AttemptRule } from "../services/throttling"
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import { localTime, weekStart } from "../time"
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import { asRecord, queryInteger, sampleUser } from "./helpers"
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export const accountRoutes = new Hono<AppEnv>()
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/**
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* 注册限流：按 IP 每小时 100 个号，只数成功的。拦的是脚本批量造号；
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* 机房一个班共用一个出口 IP，一节课全班现场注册也够用。
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*/
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const REGISTER_PER_IP: AttemptRule = { limit: 100, windowSeconds: 60 * 60 }
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accountRoutes.post("/users", async (c) => {
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const parsed = await parseBody(c, registerRequestSchema, "Invalid registration payload")
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if (!parsed.success) return parsed.response
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if (!(await getBooleanOption("allow_register", true))) {
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return failure(c, 403, "registration-disabled", "Register function has been disabled by admin")
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}
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const registerKey = `register:ip:${clientIp(c)}`
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const wait = await lockoutRemaining(registerKey, REGISTER_PER_IP)
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if (wait !== null) {
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return failure(
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c,
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429,
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"too-many-registrations",
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`Too many registrations, please wait ${wait} seconds`,
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)
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}
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const username = parsed.data.username.toLowerCase()
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const email = parsed.data.email.toLowerCase()
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const [duplicate] = await db
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.select({ username: schema.user.username, email: schema.user.email })
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.from(schema.user)
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.where(
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or(
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sql`lower(${schema.user.username}) = ${username}`,
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sql`lower(${schema.user.email}) = ${email}`,
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),
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)
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.limit(1)
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if (duplicate?.username.toLowerCase() === username) {
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return failure(c, 409, "username-exists", "Username already exists")
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}
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if (duplicate?.email?.toLowerCase() === email) {
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return failure(c, 409, "email-exists", "Email already exists")
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}
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const now = new Date().toISOString()
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const password = await hashPassword(parsed.data.password)
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await db.transaction(async (tx) => {
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const [created] = await tx
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.insert(schema.user)
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.values({
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username,
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email,
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password,
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rawPassword: parsed.data.password.slice(0, 20),
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lastLogin: null,
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createTime: now,
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adminType: "Regular User",
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isDisabled: false,
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problemPermission: "None",
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className: null,
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})
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.returning({ id: schema.user.id })
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if (!created) throw new Error("User insert did not return an id")
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await tx.insert(schema.userProfile).values({
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userId: created.id,
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acmProblemsStatus: {},
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avatar: `${config.avatarUriPrefix}/default.png`,
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mood: null,
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acceptedNumber: 0,
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submissionNumber: 0,
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realName: null,
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})
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})
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await countAttempt(registerKey, REGISTER_PER_IP)
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return success(c, { ok: true }, 201)
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})
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accountRoutes.get("/profiles/:username", optionalAuth, async (c) => {
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// 对齐旧后端 account/views/oj.py 的 UserProfileAPI.get 首行：
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// `if not user.is_authenticated: return self.success()` —— 匿名一律返回空，
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// 否则用户名可经排名接口（/rankings/board）公开枚举，进而无 cookie 批量收集全校学生的邮箱与最后登录时间。
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if (!c.get("user")) return success(c, null)
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const [target] = await db
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.select({ id: schema.user.id })
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.from(schema.user)
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.where(
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and(
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sql`lower(${schema.user.username}) = lower(${c.req.param("username")})`,
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eq(schema.user.isDisabled, false),
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),
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)
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.limit(1)
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if (!target) return failure(c, 404, "user-not-found", "User does not exist")
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const profile = await getUserProfileById(target.id, c.get("user")?.id === target.id)
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if (!profile) return failure(c, 404, "profile-not-found", "User profile does not exist")
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return success(c, profile)
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})
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accountRoutes.put("/me/profile", requireAuth, async (c) => {
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const parsed = await parseBody(c, updateProfileRequestSchema, "Invalid profile payload")
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if (!parsed.success) return parsed.response
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const values = Object.fromEntries(
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Object.entries(parsed.data).map(([key, value]) => [key, value === "" ? null : value]),
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)
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await db
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.update(schema.userProfile)
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.set(values)
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.where(eq(schema.userProfile.userId, c.get("user")!.id))
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const profile = await getUserProfileById(c.get("user")!.id, true)
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if (!profile) return failure(c, 404, "profile-not-found", "User profile does not exist")
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return success(c, profile)
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})
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accountRoutes.post("/me/avatar", requireAuth, async (c) => {
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const body: Record<string, string | File> = await c.req.parseBody().catch(() => ({}))
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const image = body.image
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if (!(image instanceof File)) return failure(c, 400, "invalid-file", "Invalid file content")
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if (image.size > 2 * 1024 * 1024) return failure(c, 400, "file-too-large", "Picture is too large")
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const extension = await sniffImageExtension(image)
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if (!extension) {
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return failure(c, 400, "unsupported-file", "Unsupported file format")
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}
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const filename = `${randomBytes(10).toString("hex")}${extension}`
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const directory = resolve(config.avatarDirectory)
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await Bun.$`mkdir -p ${directory}`.quiet()
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await Bun.write(resolve(directory, filename), image)
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const avatar = `${config.avatarUriPrefix}/${filename}`
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await db
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.update(schema.userProfile)
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.set({ avatar })
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.where(eq(schema.userProfile.userId, c.get("user")!.id))
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return success(c, { avatar })
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})
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accountRoutes.get("/users/:id/metrics", async (c) => {
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const userId = queryInteger(c.req.param("id"), 0, { min: 1 })
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// 比赛提交也算：首末提交时间、学习天数都连比赛一起统计
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const [row] = await db
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.select({
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first: min(schema.submission.createTime),
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latest: max(schema.submission.createTime),
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activeDays: countDistinct(sql`date(${localTime(schema.submission.createTime)})`),
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})
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.from(schema.submission)
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.where(eq(schema.submission.userId, userId))
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if (!row?.first || !row.latest) return failure(c, 404, "no-submissions", "暂无提交")
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return success(c, {
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now: new Date().toISOString(),
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first: row.first,
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latest: row.latest,
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activeDays: row.activeDays,
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} satisfies Metrics)
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})
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/**
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* 首页周榜的榜面大小。周榜解决的是「这一周谁在往前走」—— 每周一清零，所以榜面短一点更像「这周的头名」，
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* 长了反而又变成一张追不上的总表。榜外的人靠 `me` 单独看到自己的名次。
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*/
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const WEEKLY_BOARD_SIZE = 10
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/** 算「解决」的两个状态：AST_CHECK_FAILED 也是答案对了，与排名页（routes/ranking.ts）同口径 */
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const ACCEPTED_RESULTS = [JudgeStatus.ACCEPTED, JudgeStatus.AST_CHECK_FAILED]
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/**
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* 本周进步榜：按**本周首次 AC 的题目数**排名，每周一 0:00（东八区）清零。
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*
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* 「首次 AC」是靠 NOT EXISTS 排掉本周之前已经通过过的 (user, problem) 对，不是简单
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* 数本周 AC 的去重题数 —— 后者把老题重交一遍也算成绩，一分钟能刷满一屏。
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* 相关子查询的四个条件正好是 `submission_public_metrics_idx`
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* （user_id, problem_id, result, create_time，WHERE contest_id IS NULL）的全部列，
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* 而且外层已经把行数收在「本周的 AC」这一小撮上，不会退化成按人全表回查。
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*/
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accountRoutes.get("/rankings/weekly", optionalAuth, async (c) => {
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const user = c.get("user")
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const scope = c.req.query("scope") === "class" ? "class" : "global"
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const className = scope === "class" ? (user?.className ?? null) : null
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if (scope === "class" && !className) return failure(c, 400, "class-missing", "用户没有班级信息")
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const start = weekStart()
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// 入榜人群与排名页一致（routes/ranking.ts 的 rankedStudents）：正常状态的学生与学生管理员，
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// 老师设成不计入排名的不算
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const audience = and(
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inArray(schema.user.adminType, [...STUDENT_ROLES]),
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eq(schema.user.isDisabled, false),
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isNull(schema.user.rankHiddenAt),
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className ? eq(schema.user.className, className) : undefined,
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)
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const thisWeek = and(
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isNull(schema.submission.contestId),
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gte(schema.submission.createTime, start),
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audience,
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)
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const earlier = alias(schema.submission, "earlier")
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const [solvedRows, submittedRows] = await Promise.all([
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db
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.select({
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userId: schema.submission.userId,
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username: schema.user.username,
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value: countDistinct(schema.submission.problemId),
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})
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.from(schema.submission)
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.innerJoin(schema.user, eq(schema.user.id, schema.submission.userId))
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.where(
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and(
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thisWeek,
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inArray(schema.submission.result, ACCEPTED_RESULTS),
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notExists(
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db
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.select({ one: sql`1` })
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.from(earlier)
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.where(
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and(
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eq(earlier.userId, schema.submission.userId),
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eq(earlier.problemId, schema.submission.problemId),
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isNull(earlier.contestId),
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inArray(earlier.result, ACCEPTED_RESULTS),
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lt(earlier.createTime, start),
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),
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),
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),
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),
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)
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.groupBy(schema.submission.userId, schema.user.username),
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db
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.select({ userId: schema.submission.userId, value: count() })
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.from(schema.submission)
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.innerJoin(schema.user, eq(schema.user.id, schema.submission.userId))
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.where(thisWeek)
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.groupBy(schema.submission.userId),
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])
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const submissions = new Map(submittedRows.map((row) => [row.userId, row.value]))
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/**
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* 排序键与全服榜同构：解决多的在前 → 同解决数时提交少的在前 → 再同按 id。
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* 第三档同样不是凑数，周榜上「都是 1 题」的学生成片存在，没有稳定兜底键时
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* postgres 每次返回的顺序可以不同，刷新一下名次就变了。
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*/
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const ranked = solvedRows
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.sort(
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(a, b) =>
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b.value - a.value ||
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(submissions.get(a.userId) ?? 0) - (submissions.get(b.userId) ?? 0) ||
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a.userId - b.userId,
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)
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.map(
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(row, index) =>
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({
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user: sampleUser({ id: row.userId, username: row.username }, null),
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solvedCount: row.value,
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submissionCount: submissions.get(row.userId) ?? 0,
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rank: index + 1,
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}) satisfies WeeklyRankItem,
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)
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return success(c, {
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start,
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scope,
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className,
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total: ranked.length,
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results: ranked.slice(0, WEEKLY_BOARD_SIZE),
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me: ranked.find((row) => row.user.id === user?.id) ?? null,
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} satisfies WeeklyRank)
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})
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/** 题数少于这个的知识点不参与升级：3 道题的知识点做完就「精通」，没有意义 */
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const KNOWLEDGE_MIN_PROBLEMS = 10
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/** 同班这么多比例的人点亮过，才算「班里在学」，才会出现在「还没碰过」里 */
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const KNOWLEDGE_CLASS_TOUCHED_RATIO = 0.3
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/**
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* 四档门槛：入门 1 道、会了 3 道、熟练 = 题数的 40%（最多 10）、精通 = 75%（最多 20）。
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* 按题量缩放是因为知识点之间差得很远（循环结构 107 道、数组 15 道）。
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*
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* 拿 2025 秋回测过：中位数的学生一学期升 5 档，前 25% 升 9 档；加上「入门」这一档之前，
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* 26% 的学生一档都没升，其中一半做对过带标签的题、只是没到 3 道。
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*/
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function levelThresholds(problemCount: number) {
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return [
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1,
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3,
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Math.max(4, Math.min(10, Math.round(problemCount * 0.4))),
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Math.max(5, Math.min(20, Math.round(problemCount * 0.75))),
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]
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}
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function levelOf(solved: number, thresholds: number[]) {
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return thresholds.filter((threshold) => solved >= threshold).length
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}
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/**
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* 我的知识点地图。「做对」按题目算（同一题只算一次），不含比赛提交，
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* 题目只算公开的题库题 —— 和 problemCount 同一个口径，不然会出现 12/10。
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*/
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accountRoutes.get("/me/knowledge", requireAuth, async (c) => {
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const user = c.get("user")!
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const tags = await db
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.select({
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id: schema.problemTag.id,
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name: schema.problemTag.name,
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problemCount: count(),
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})
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.from(schema.problemTag)
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.innerJoin(schema.problemTags, eq(schema.problemTags.problemtagId, schema.problemTag.id))
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.innerJoin(schema.problem, eq(schema.problem.id, schema.problemTags.problemId))
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.where(
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and(
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eq(schema.problemTag.category, "knowledge"),
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eq(schema.problem.visible, true),
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isNull(schema.problem.contestId),
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),
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)
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.groupBy(schema.problemTag.id, schema.problemTag.name)
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.having(sql`count(*) >= ${KNOWLEDGE_MIN_PROBLEMS}`)
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const tagIds = tags.map((tag) => tag.id)
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if (!tagIds.length) return success(c, { tags: [], classTouched: [] } satisfies KnowledgeMap)
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const firstAccepted = db
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.select({
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problemId: schema.submission.problemId,
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firstAt: min(schema.submission.createTime).as("first_at"),
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})
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.from(schema.submission)
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.where(
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and(
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eq(schema.submission.userId, user.id),
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isNull(schema.submission.contestId),
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inArray(schema.submission.result, ACCEPTED_RESULTS),
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),
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)
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.groupBy(schema.submission.problemId)
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.as("first_accepted")
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const start = weekStart()
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const [mine, classTouchedRows, classSize] = await Promise.all([
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db
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.select({
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tagId: schema.problemTags.problemtagId,
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solved: count(),
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solvedBeforeWeek: sql<number>`count(*) filter (where ${firstAccepted.firstAt} < ${start})::int`,
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})
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.from(firstAccepted)
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.innerJoin(schema.problemTags, eq(schema.problemTags.problemId, firstAccepted.problemId))
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.innerJoin(schema.problem, eq(schema.problem.id, firstAccepted.problemId))
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.where(
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and(
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inArray(schema.problemTags.problemtagId, tagIds),
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eq(schema.problem.visible, true),
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isNull(schema.problem.contestId),
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),
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)
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.groupBy(schema.problemTags.problemtagId),
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user.className
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? db
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.select({
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tagId: schema.problemTags.problemtagId,
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users: countDistinct(schema.submission.userId),
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})
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.from(schema.submission)
|
||
.innerJoin(schema.user, eq(schema.user.id, schema.submission.userId))
|
||
.innerJoin(
|
||
schema.problemTags,
|
||
eq(schema.problemTags.problemId, schema.submission.problemId),
|
||
)
|
||
.where(
|
||
and(
|
||
eq(schema.user.className, user.className),
|
||
eq(schema.user.isDisabled, false),
|
||
inArray(schema.user.adminType, [...STUDENT_ROLES]),
|
||
isNull(schema.submission.contestId),
|
||
inArray(schema.submission.result, ACCEPTED_RESULTS),
|
||
inArray(schema.problemTags.problemtagId, tagIds),
|
||
),
|
||
)
|
||
.groupBy(schema.problemTags.problemtagId)
|
||
: [],
|
||
user.className
|
||
? db
|
||
.select({ total: count() })
|
||
.from(schema.user)
|
||
.where(
|
||
and(
|
||
eq(schema.user.className, user.className),
|
||
eq(schema.user.isDisabled, false),
|
||
inArray(schema.user.adminType, [...STUDENT_ROLES]),
|
||
),
|
||
)
|
||
: [],
|
||
])
|
||
|
||
const mineByTag = new Map(mine.map((row) => [row.tagId, row]))
|
||
const total = classSize[0]?.total ?? 0
|
||
const touchedIds = new Set(
|
||
classTouchedRows
|
||
.filter((row) => total > 0 && row.users / total >= KNOWLEDGE_CLASS_TOUCHED_RATIO)
|
||
.map((row) => row.tagId),
|
||
)
|
||
|
||
return success(c, {
|
||
tags: tags
|
||
.sort((a, b) => b.problemCount - a.problemCount)
|
||
.map((tag) => {
|
||
const thresholds = levelThresholds(tag.problemCount)
|
||
const solved = mineByTag.get(tag.id)?.solved ?? 0
|
||
const level = levelOf(solved, thresholds)
|
||
return {
|
||
name: tag.name,
|
||
problemCount: tag.problemCount,
|
||
solved,
|
||
level,
|
||
levelAtWeekStart: levelOf(mineByTag.get(tag.id)?.solvedBeforeWeek ?? 0, thresholds),
|
||
nextAt: thresholds[level] ?? null,
|
||
} satisfies KnowledgeLevel
|
||
}),
|
||
classTouched: tags.filter((tag) => touchedIds.has(tag.id)).map((tag) => tag.name),
|
||
} satisfies KnowledgeMap)
|
||
})
|
||
|
||
accountRoutes.get("/problems/:displayId/rank", requireAuth, async (c) => {
|
||
const user = c.get("user")!
|
||
const [problem] = await db
|
||
.select({ id: schema.problem.id })
|
||
.from(schema.problem)
|
||
.where(
|
||
and(
|
||
sql`lower(${schema.problem.displayId}) = lower(${c.req.param("displayId")})`,
|
||
isNull(schema.problem.contestId),
|
||
eq(schema.problem.visible, true),
|
||
),
|
||
)
|
||
.limit(1)
|
||
if (!problem) return failure(c, 404, "problem-not-found", "Problem does not exist")
|
||
const accepted = and(
|
||
eq(schema.submission.problemId, problem.id),
|
||
inArray(schema.submission.result, [0, 10]),
|
||
)
|
||
const [all] = await db
|
||
.select({ value: countDistinct(schema.submission.userId) })
|
||
.from(schema.submission)
|
||
.where(accepted)
|
||
const className = user.className ?? ""
|
||
const classWhere = className
|
||
? and(
|
||
accepted,
|
||
inArray(
|
||
schema.submission.userId,
|
||
db
|
||
.select({ id: schema.user.id })
|
||
.from(schema.user)
|
||
.where(and(eq(schema.user.className, className), eq(schema.user.isDisabled, false))),
|
||
),
|
||
)
|
||
: accepted
|
||
const [classCount] = className
|
||
? await db
|
||
.select({ value: countDistinct(schema.submission.userId) })
|
||
.from(schema.submission)
|
||
.where(classWhere)
|
||
: [{ value: 0 }]
|
||
const [first] = await db
|
||
.select({ value: min(schema.submission.createTime) })
|
||
.from(schema.submission)
|
||
.where(and(classWhere, eq(schema.submission.userId, user.id)))
|
||
let rank = -1
|
||
if (first?.value) {
|
||
const [rankRow] = await db
|
||
.select({ value: count() })
|
||
.from(schema.submission)
|
||
.where(and(classWhere, lte(schema.submission.createTime, first.value)))
|
||
rank = rankRow?.value ?? -1
|
||
}
|
||
return success(c, {
|
||
className,
|
||
rank,
|
||
classAcCount: classCount?.value ?? 0,
|
||
allAcCount: all?.value ?? 0,
|
||
} satisfies ProblemRank)
|
||
})
|
||
|
||
/**
|
||
* 把 `user_profile.acm_problems_status` 里缓存的题目编号刷成当前值 ——
|
||
* 教师改了题目的 `_id`（后台「修改题目编号」）之后，学生个人主页上的那份缓存会变旧。
|
||
*
|
||
* **目前没有任何前端在调用它**，两代前端都只定义了函数、没有调用点。保留是因为
|
||
* 它是唯一能修这份缓存的入口；要接 UI 的话，从这里开始。
|
||
*
|
||
* 旧后端 `ProfileProblemDisplayIDRefreshAPI` 这段是坏的：它用
|
||
* `dict(zip(ids, display_ids))` 把「dict 键顺序」和「查询返回顺序」硬凑成对，
|
||
* 题目一旦被隐藏或删除，display_ids 就比 ids 短 —— 轻则把编号张冠李戴写进库，
|
||
* 重则 `id_map[k]` KeyError。这里改成按 id 建 Map、查不到就不动。
|
||
*/
|
||
accountRoutes.post("/me/problem-display-ids/refresh", requireAuth, async (c) => {
|
||
const user = c.get("user")!
|
||
const [profile] = await db
|
||
.select({ value: schema.userProfile.acmProblemsStatus })
|
||
.from(schema.userProfile)
|
||
.where(eq(schema.userProfile.userId, user.id))
|
||
.limit(1)
|
||
const status = asRecord(profile?.value)
|
||
const problems = asRecord(status.problems)
|
||
const ids = Object.keys(problems).map(Number).filter(Number.isInteger)
|
||
if (ids.length > 0) {
|
||
const rows = await db
|
||
.select({ id: schema.problem.id, displayId: schema.problem.displayId })
|
||
.from(schema.problem)
|
||
.where(and(inArray(schema.problem.id, ids), eq(schema.problem.visible, true)))
|
||
const displayIds = new Map(rows.map((row) => [String(row.id), row.displayId]))
|
||
for (const [id, value] of Object.entries(problems)) {
|
||
const item = asRecord(value)
|
||
const displayId = displayIds.get(id)
|
||
if (displayId) item._id = displayId
|
||
problems[id] = item
|
||
}
|
||
status.problems = problems
|
||
await db
|
||
.update(schema.userProfile)
|
||
.set({ acmProblemsStatus: status })
|
||
.where(eq(schema.userProfile.userId, user.id))
|
||
}
|
||
return success(c, null)
|
||
})
|