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OJ2/apps/api/src/db/relations.ts
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fix(比赛): 学生管理员开卷、导出只剩十行、排行榜翻页错位等四处
## 学生管理员在比赛进行中能看所有人的代码

canViewSubmission 里 isAdminRole(user) 是无条件放行的捷径,而 ADMIN_ROLES 含
Student Admin —— 同时 contest.ts 的排行榜又把这个角色算作参赛者。既在榜上、
又能读别人的提交,就是开卷。比赛未结束(未开始 + 进行中)时不再吃这条捷径。

旧后端这里写的是 `not user.is_regular_user()`,学生管理员同样放行,所以这条是
相对旧栈**收紧**的一处,不是修回归。只掐角色捷径,不掐 problem.createdById ——
那是这道题的作者本人,他早就知道答案,挡他没有意义。老师和超管不受影响,他们不参赛。

实跑(造了一场进行中、一场已结束的比赛,各一条别人的提交):学生管理员在进行中的
比赛里列表 showLink=false、详情 404,比赛结束后恢复 200;超管两种状态都是 200;
学生管理员读**自己**比赛中的提交仍然 200,没有把他自己的记录一起挡掉。

同族的 flowchart.ts canView 有同样的角色捷径,但流程图提交入库时从不写 contest_id
(永远是 null),那条路上不存在「比赛中的别人的提交」,不用跟着改。

## 获奖名单导出,参赛超过 250 人时只导出十个人

rank.vue 用 `limit: total.value || 10000` 想一次拉全量,但 queryInteger 对超出
上限的值是**静默回落到默认的 10**,不是截断到 250。于是 300 人的比赛导出 10 行,
而一二三等奖的分档仍按真实总人数算 —— 老师拿到一份十个人、等级全错的名单,还不报错。
改成按 250 一页循环拉,两个出口都留:拿不满一页说明到底了,比对 total 是防着最后
一页正好整除。班级赛(≤250)碰不到这个坑,全校赛会。

实跑:造 20 条排名,limit=300 后端确实只返回 10 行,limit=250 返回 20,
新逻辑拉回 20。

## 排行榜翻页没有全序

只按 acceptedNumber desc, totalTime asc 排,同分同罚时行序不稳定,而这条列表是
limit/offset 翻页的 —— 同一个人可能在第 2 页出现两次,另一个人从此消失。末尾补
asc(id) 兜全序,id 不参与名次,只保证同分的人每次按同一顺序排。

实跑:20 个同 AC 数同罚时的选手,每页 5 条翻 4 页,共 20 行去重后仍是 20 人,
连翻两轮顺序完全一致。

## acm-helper 两个接口对 visible 的口径不一致

GET 要求 visible = true,PUT 不要求。比赛结束后收起来,核查页就打不开了,
而标记接口还能用。赛后核查恰恰常发生在比赛已经收起来之后,按 PUT 的口径放开。

## 删掉 contest_announcement

旧 Django 栈有「比赛公告」,OJ2 从头到尾没搬:没有路由、没有契约、没有前端页面,
表建在那里纯粹是 introspect 0000 时一起拉进来的。确认不需要,连表带 schema 定义
一起删。

删除前核实:没有任何表外键指向它,序列由本表 owned 会随 DROP TABLE 一并消失,
生产快照(db_backup_2026_08_07)里只有 1 行 —— 2022 年 4 月挂在 contest 1 上的
一条测试公告。迁移不写 CASCADE,同 0002:真有别的东西引用了,宁可报错也别被悄悄
级联掉。

**上生产要显式放行**:migrate.ts 的破坏性闸会拦下 DROP TABLE,得
`OJ2_ALLOW_DESTRUCTIVE=1 docker/deploy.sh`,并按它说的先备份。本机已实跑:
不带环境变量确实被拦,带上之后表和序列都没了,重跑是「没有待执行的迁移」,
db:generate 报 No schema changes(snapshot 与 schema.ts 对齐,不给下一条迁移留假 diff)。

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_013rpSKCNpVcMhTFhw21YiL7
2026-09-02 20:38:04 -06:00

260 lines
7.0 KiB
TypeScript

import { relations } from "drizzle-orm/relations";
import { user, aiAnalysis, announcement, contest, problem, flowchartSubmission, message, submission, tutorial, exercise, problemset, problemsetProblem, problemsetProgress, problemsetSubmission, reaction, problemTags, problemTag, userStat, achievement, userAchievement, problemsetBadge, userBadge, userProfile, acmContestRank } from "./schema";
export const aiAnalysisRelations = relations(aiAnalysis, ({one}) => ({
user: one(user, {
fields: [aiAnalysis.userId],
references: [user.id]
}),
}));
export const userRelations = relations(user, ({many}) => ({
aiAnalyses: many(aiAnalysis),
announcements: many(announcement),
contests: many(contest),
flowchartSubmissions: many(flowchartSubmission),
messages_recipientId: many(message, {
relationName: "message_recipientId_user_id"
}),
messages_senderId: many(message, {
relationName: "message_senderId_user_id"
}),
problemsets: many(problemset),
problemsetProgresses: many(problemsetProgress),
problemsetSubmissions: many(problemsetSubmission),
reactions: many(reaction),
problems: many(problem),
tutorials: many(tutorial),
userStats: many(userStat),
userAchievements: many(userAchievement),
userBadges: many(userBadge),
userProfiles: many(userProfile),
acmContestRanks: many(acmContestRank),
}));
export const announcementRelations = relations(announcement, ({one}) => ({
user: one(user, {
fields: [announcement.createdById],
references: [user.id]
}),
}));
export const contestRelations = relations(contest, ({one, many}) => ({
user: one(user, {
fields: [contest.createdById],
references: [user.id]
}),
problems: many(problem),
submissions: many(submission),
acmContestRanks: many(acmContestRank),
}));
export const flowchartSubmissionRelations = relations(flowchartSubmission, ({one}) => ({
problem: one(problem, {
fields: [flowchartSubmission.problemId],
references: [problem.id]
}),
user: one(user, {
fields: [flowchartSubmission.userId],
references: [user.id]
}),
}));
export const problemRelations = relations(problem, ({one, many}) => ({
flowchartSubmissions: many(flowchartSubmission),
problemsetProblems: many(problemsetProblem),
problemsetSubmissions: many(problemsetSubmission),
reactions: many(reaction),
contest: one(contest, {
fields: [problem.contestId],
references: [contest.id]
}),
user: one(user, {
fields: [problem.createdById],
references: [user.id]
}),
problemTags: many(problemTags),
submissions: many(submission),
}));
export const messageRelations = relations(message, ({one}) => ({
user_recipientId: one(user, {
fields: [message.recipientId],
references: [user.id],
relationName: "message_recipientId_user_id"
}),
user_senderId: one(user, {
fields: [message.senderId],
references: [user.id],
relationName: "message_senderId_user_id"
}),
submission: one(submission, {
fields: [message.submissionId],
references: [submission.id]
}),
}));
export const submissionRelations = relations(submission, ({one, many}) => ({
messages: many(message),
problemsetSubmissions: many(problemsetSubmission),
contest: one(contest, {
fields: [submission.contestId],
references: [contest.id]
}),
problem: one(problem, {
fields: [submission.problemId],
references: [problem.id]
}),
}));
export const exerciseRelations = relations(exercise, ({one}) => ({
tutorial: one(tutorial, {
fields: [exercise.tutorialId],
references: [tutorial.id]
}),
}));
export const tutorialRelations = relations(tutorial, ({one, many}) => ({
exercises: many(exercise),
user: one(user, {
fields: [tutorial.createdById],
references: [user.id]
}),
}));
export const problemsetRelations = relations(problemset, ({one, many}) => ({
user: one(user, {
fields: [problemset.createdById],
references: [user.id]
}),
problemsetProblems: many(problemsetProblem),
problemsetProgresses: many(problemsetProgress),
problemsetSubmissions: many(problemsetSubmission),
problemsetBadges: many(problemsetBadge),
}));
export const problemsetProblemRelations = relations(problemsetProblem, ({one}) => ({
problem: one(problem, {
fields: [problemsetProblem.problemId],
references: [problem.id]
}),
problemset: one(problemset, {
fields: [problemsetProblem.problemsetId],
references: [problemset.id]
}),
}));
export const problemsetProgressRelations = relations(problemsetProgress, ({one}) => ({
problemset: one(problemset, {
fields: [problemsetProgress.problemsetId],
references: [problemset.id]
}),
user: one(user, {
fields: [problemsetProgress.userId],
references: [user.id]
}),
}));
export const problemsetSubmissionRelations = relations(problemsetSubmission, ({one}) => ({
problem: one(problem, {
fields: [problemsetSubmission.problemId],
references: [problem.id]
}),
problemset: one(problemset, {
fields: [problemsetSubmission.problemsetId],
references: [problemset.id]
}),
submission: one(submission, {
fields: [problemsetSubmission.submissionId],
references: [submission.id]
}),
user: one(user, {
fields: [problemsetSubmission.userId],
references: [user.id]
}),
}));
export const reactionRelations = relations(reaction, ({one}) => ({
problem: one(problem, {
fields: [reaction.problemId],
references: [problem.id]
}),
user: one(user, {
fields: [reaction.userId],
references: [user.id]
}),
}));
export const problemTagsRelations = relations(problemTags, ({one}) => ({
problem: one(problem, {
fields: [problemTags.problemId],
references: [problem.id]
}),
problemTag: one(problemTag, {
fields: [problemTags.problemtagId],
references: [problemTag.id]
}),
}));
export const problemTagRelations = relations(problemTag, ({many}) => ({
problemTags: many(problemTags),
}));
export const userStatRelations = relations(userStat, ({one}) => ({
user: one(user, {
fields: [userStat.userId],
references: [user.id]
}),
}));
export const userAchievementRelations = relations(userAchievement, ({one}) => ({
achievement: one(achievement, {
fields: [userAchievement.achievementId],
references: [achievement.id]
}),
user: one(user, {
fields: [userAchievement.userId],
references: [user.id]
}),
}));
export const achievementRelations = relations(achievement, ({many}) => ({
userAchievements: many(userAchievement),
}));
export const userBadgeRelations = relations(userBadge, ({one}) => ({
problemsetBadge: one(problemsetBadge, {
fields: [userBadge.badgeId],
references: [problemsetBadge.id]
}),
user: one(user, {
fields: [userBadge.userId],
references: [user.id]
}),
}));
export const problemsetBadgeRelations = relations(problemsetBadge, ({one, many}) => ({
userBadges: many(userBadge),
problemset: one(problemset, {
fields: [problemsetBadge.problemsetId],
references: [problemset.id]
}),
}));
export const userProfileRelations = relations(userProfile, ({one}) => ({
user: one(user, {
fields: [userProfile.userId],
references: [user.id]
}),
}));
export const acmContestRankRelations = relations(acmContestRank, ({one}) => ({
contest: one(contest, {
fields: [acmContestRank.contestId],
references: [contest.id]
}),
user: one(user, {
fields: [acmContestRank.userId],
references: [user.id]
}),
}));