Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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xuyueandClaude Opus 5.5 committed
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@@ -6,9 +6,12 @@ import {
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classPkAnalysisRequestSchema,
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HINT_MIN_FAILURES,
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type AiAnalysisRecord,
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type AiDetail,
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type AiHintDone,
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type DurationData,
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type HintDiagnosis,
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type HeatmapItem,
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type SolvedProblem,
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} from "@oj2/contract"
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import { and, count, eq, gte, inArray, lte, sql } from "drizzle-orm"
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import { Hono, type Context } from "hono"
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@@ -16,7 +19,7 @@ import { Hono, type Context } from "hono"
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import { 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 { JudgeStatus } from "../judge/status"
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import { JudgeStatus, judgeStatusName } from "../judge/status"
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import { failure, parseBody, readJson, success } from "../http"
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import { streamChat, streamWhole } from "../services/ai"
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import { generateFilteredHint } from "../services/hint-filter"
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@@ -156,6 +159,81 @@ aiRoutes.get("/ai/pinned", requireAuth, async (c) => {
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} satisfies AiAnalysisRecord)
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})
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const ANALYSIS_RANGE: Record<string, string> = {
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"hours:1": "这一节课",
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"hours:2": "这两节课",
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"days:1": "最近一天",
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"weeks:1": "最近一周",
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"months:1": "最近一个月",
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"months:2": "最近两个月",
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"months:6": "最近半年",
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"years:1": "最近一年",
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}
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/**
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* 喂给模型的学情数据，全部翻成中文、带单位。原来是 detail / duration 原样 JSON 进
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* prompt，模型读不懂裸编码：「错误类型 -1」（答案错误）被说成编译错误，
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* `period 1` 原样出现在报告里，用户名 xuyue 被猜成了真名。
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*
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* 时间活跃度不给：八成提交在课上，几点做题是课表定的，模型只会据此编出
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* 「你是早起鸟」「改到工作日分散练」这类建议。名字和班级也不给，报告里一律称「你」。
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*/
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function analysisFacts(
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range: string,
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details: AiDetail,
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periods: DurationData[],
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solved: SolvedProblem[],
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) {
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const scope = details.rankScope === "class" ? "班上" : "全站"
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// 两个超时码合成一种说法；判题机自己崩的不算学生的错
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const errors = new Map<string, number>()
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for (const item of details.errors) {
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if (item.result === JudgeStatus.SYSTEM_ERROR) continue
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const name = judgeStatusName(item.result)
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errors.set(name, (errors.get(name) ?? 0) + item.count)
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}
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const monthDay = (iso: string) => {
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const [, month, day] = calendarDay(iso).split("-").map(Number)
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return `${month}月${day}日`
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}
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// 一周以内的范围，buildDuration 给的是前四周，和「这段时间」对不上，不给
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const showTrend = ["months:1", "months:2", "months:6", "years:1"].includes(range)
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return {
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时间段: ANALYSIS_RANGE[range] ?? "这段时间",
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做对的题数: details.solvedCount,
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一次就对的题数: details.attempts.filter((value) => value === 1).length,
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难度: details.difficulty,
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做得最多的知识点: details.tags,
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总等级: details.grade || "无",
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没通过的提交: [...errors].map(([结果, 次数]) => ({ 结果, 次数 })),
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...(showTrend && {
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分段: periods.map((item) => ({
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时间: `${monthDay(item.start)}起的一${item.unit === "weeks" ? "周" : "个月"}`,
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做对几道题: item.problemCount,
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提交次数: item.submissionCount,
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等级: item.grade || "无",
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})),
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}),
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...(details.flowcharts.length && {
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流程图: details.flowcharts.map((item) => ({
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题目: item.problemTitle,
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画了几次: item.submissionCount,
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最好等级: item.bestGrade || "无",
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})),
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}),
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做对的题: solved.map((item) => ({
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题目: item.problem.title,
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难度: item.difficulty,
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交了几次才对: item.attempts,
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...(item.periodRank && {
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第几个做对: `${scope}第 ${item.periodRank} 个（共 ${item.periodAcCount} 人做对）`,
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}),
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等级: item.grade || "无",
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...(item.problem.contestTitle && { 课堂测验: item.problem.contestTitle }),
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})),
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}
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}
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aiRoutes.post("/ai/analysis", requireAuth, async (c) => {
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const parsed = await parseBody(c, aiAnalysisRequestSchema, "start, end and duration are required")
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if (!parsed.success) return parsed.response
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@@ -175,9 +253,26 @@ aiRoutes.post("/ai/analysis", requireAuth, async (c) => {
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buildDuration(user, parsed.data.end, parsed.data.duration),
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listSolved(user, parsed.data.start, parsed.data.end, 200, 0),
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])
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const system =
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"你是一个风趣的编程老师。请根据学生的详细数据和每周数据给出学习建议，最后写一句鼓励的话。使用 Markdown，不要放在代码块中。"
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const prompt = `详细数据: ${JSON.stringify({ ...details, solved: solved.results })}\n每周或每月数据: ${JSON.stringify(duration)}`
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const system = [
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"你是中职学校的编程课老师，在给自己班上的一位学生写学习小结，学生会在网站上自己读到。",
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"下面是这位学生在判题网站上的做题数据（JSON）。页面上方已经有图表，不用把数字挨个复述一遍。",
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"用中文 Markdown 写，总共 300 字以内，分四段，每段一到三句，段首加粗：",
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"**这段时间**（做了多少、节奏怎么样，挑一两个最能说明问题的数字，节奏照「分段」里的数说）、",
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"**做得好的**（点出具体题目名）、",
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"**要注意的**（错得最多的是哪种，教一个具体的检查办法：答案错误就自己多想几组输入试，特别是最大最小的情况；",
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"编译失败、运行时错误就先读报错信息，找到它指出的那一行和错误名；运行超时就看循环能不能停下来；交了好几次才对的题点出名字）、",
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"**下一步**（一两件下节课就能做的事，比如把交了好几次才对的题重做一遍、在题目列表里按知识点找题练）。",
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"最后另起一段，只写一句鼓励的话，要和这位学生的数据挂钩，不要空口号。",
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"用「你」称呼学生，不要写名字。说大白话，不要英文和术语，不要「追」「对手」这类拿同学比的说法。",
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"只用数据里有的数字和题目名，不要编；数据里没有的方面就不写（比如错误次数没按题目分，就别说错在哪类题上）。",
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"不要表格、标题、代码块、字符画、分割线，不要 emoji。",
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"数据说明：等级 S/A/B/C 看的是同一道题你是第几个做对的（前 10% 是 S、前 35% 是 A、前 75% 是 B），",
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"说明做得快不快，不说明代码好不好。比赛是老师安排的课堂测验，不要建议学生多参加比赛。",
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"如果这段时间一道题都没做对，就简短说说看到的情况，鼓励下节课先把老师布置的题做出来。",
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].join("")
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const prompt = JSON.stringify(
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analysisFacts(parsed.data.duration, details, duration, solved.results),
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)
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return streamChat(system, prompt, {
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onComplete: async (analysis) => {
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// 报告归被分析的那个人，不归发起请求的人 —— 教师后台的 pin 和学生侧的
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