fix(比赛): 比赛进行中,学生打开比赛题必 500
contest.ts 两处把「藏起来的难度」表示成空串,而 problemDifficultySchema 是严格的三值枚举,parse 直接抛 ZodError。contestDetailsAllowed 在 「比赛进行中 + 看的人不是管理员」时就是假 —— 也就是正常学生在正常比赛里, 比赛题列表和详情页一开就挂。dev 库 contest 表一直是空的,这条路径没被跑到过。 改成下发 null,契约里给这两个字段单独起了 maskedProblemDifficultySchema。 语义上对齐旧 Django:ProblemSafeSerializer 把 difficulty 放在 exclude 里, 字段整个不下发,而不是给一个假值。 端上顺着 null 补了四处:ProblemInfo 的「难度」项整条不渲染(和旧栈表现一致), 题目列表、题单列表同理,transforms 的 ProblemFiltered.difficulty 也放开为可空。 这几处是 vue-tsc 逐个揪出来的,正是严格枚举该起的作用。 实测(学生 / 超管 × 比赛题 / 普通题 四种组合):学生看比赛题详情与列表 从 500 变 200 且 difficulty 为 null,超管仍拿到真值 Low,普通题不受影响; 页面上「难度」整项消失,统计面板其余内容正常。 Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_016DHxhKNxXfG89JnVzHbvgj
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@@ -144,7 +144,7 @@ contestRoutes.get("/contests/:id/problems", optionalAuth, requireContestAccess("
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title: problem.title,
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submissionNumber: allowed ? problem.submissionNumber : 0,
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acceptedNumber: allowed ? problem.acceptedNumber : 0,
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difficulty: allowed ? problem.difficulty : "",
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difficulty: allowed ? problem.difficulty : null,
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createdBy: sampleUser(user, realName),
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tags: tags.get(problem.id) ?? [],
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contestId: contest.id,
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@@ -179,7 +179,7 @@ contestRoutes.get("/contests/:id/problems/:displayId", optionalAuth, requireCont
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lastUpdateTime: row.problem.lastUpdateTime,
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timeLimit: row.problem.timeLimit,
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memoryLimit: row.problem.memoryLimit,
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difficulty: allowed ? row.problem.difficulty : "",
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difficulty: allowed ? row.problem.difficulty : null,
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source: row.problem.source,
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prompt: row.problem.prompt,
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submissionNumber: allowed ? row.problem.submissionNumber : 0,
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@@ -121,7 +121,8 @@ onMounted(() => {
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<n-descriptions-item label="创建时间">
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{{ parseTime(problem.createTime) }}
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</n-descriptions-item>
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<n-descriptions-item label="难度">
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<!-- 比赛进行中,难度不下发(difficulty 为 null),这一项整个不显示 -->
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<n-descriptions-item v-if="problem.difficulty" label="难度">
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<n-tag :type="getTagColor(problem.difficulty)">
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{{ DIFFICULTY[problem.difficulty] }}
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</n-tag>
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@@ -173,7 +173,9 @@ const baseColumns: DataTableColumn<ProblemFiltered>[] = [
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key: "difficulty",
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width: 100,
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render: (row) =>
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h(NTag, { type: getTagColor(row.difficulty) }, () => row.difficulty),
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row.difficulty
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? h(NTag, { type: getTagColor(row.difficulty) }, () => row.difficulty)
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: null,
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},
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{
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title: renderTableTitle("标签", "streamline-ultimate-color:attachment"),
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@@ -54,6 +54,7 @@ function handleProblemClick(problemId: string) {
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<n-flex align="center" size="small">
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<n-tag
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v-if="problemSetProblem.problem.difficulty"
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:type="getTagColor(problemSetProblem.problem.difficulty)"
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size="small"
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>
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@@ -8,7 +8,7 @@ export function filterResult(result: ProblemListItem): ProblemFiltered {
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id: result.id,
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_id: result._id,
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title: result.title,
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difficulty: DIFFICULTY[result.difficulty],
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difficulty: result.difficulty ? DIFFICULTY[result.difficulty] : null,
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tags: result.tags,
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submission: result.submissionNumber,
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rate: getACRate(result.acceptedNumber, result.submissionNumber),
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@@ -176,7 +176,8 @@ export interface ProblemFiltered {
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_id: string
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id: number
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title: string
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difficulty: "简单" | "中等" | "困难"
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// 比赛进行中难度不下发,见 contract 的 maskedProblemDifficultySchema
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difficulty: "简单" | "中等" | "困难" | null
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tags: string[]
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submission: number
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rate: string
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@@ -9,6 +9,16 @@ import { paginatedSchema, sampleUserSchema } from "./common"
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*/
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export const problemDifficultySchema = z.enum(["Low", "Mid", "High"])
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/**
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* 题目详情/列表里的难度。**可为 null** —— 比赛进行中、看的人又不是管理员时,
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* 难度和提交数一样属于「先别告诉参赛者」的信息(旧 Django 的
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* `ProblemSafeSerializer` 直接把 difficulty 放进 exclude,字段整个不下发)。
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*
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* 端上必须当「没有」处理,不要拿它去查 DIFFICULTY 映射表 —— 这正是
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* problemDifficultySchema 写成严格枚举要防的那件事。
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*/
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export const maskedProblemDifficultySchema = problemDifficultySchema.nullable()
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/**
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* SQL 题配置与展示数据。两者都是 `problem.sql_config` / `problem.sql_display`
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* 的 **JSONB 原文**,所以键名保持 snake_case —— 生产库 9 道 SQL 题存的就是这个形状
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@@ -292,7 +302,7 @@ export const problemDetailSchema = z.object({
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lastUpdateTime: z.string().nullable(),
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timeLimit: z.number().int(),
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memoryLimit: z.number().int(),
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difficulty: problemDifficultySchema,
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difficulty: maskedProblemDifficultySchema,
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source: z.string().nullable(),
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prompt: z.string().nullable(),
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submissionNumber: z.number().int(),
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@@ -327,7 +337,7 @@ export const problemListItemSchema = z.object({
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title: z.string(),
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submissionNumber: z.number().int(),
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acceptedNumber: z.number().int(),
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difficulty: problemDifficultySchema,
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difficulty: maskedProblemDifficultySchema,
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createdBy: sampleUserSchema,
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tags: z.array(z.string()),
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contestId: z.number().int().nullable(),
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