check vocabulary
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@@ -9,7 +9,7 @@ import multer from 'multer';
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import fs from 'fs';
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import path from 'path';
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import csv from 'csv-parser';
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import { Word, WordSet } from '../models/Vocabulary';
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import { Word, WordRecord, WordSet, VocabularyTestAttempt, VocabularyTestRecord } from '../models/Vocabulary';
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import mongoose from 'mongoose';
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const router = express.Router();
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@@ -45,6 +45,172 @@ const upload = multer({
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}
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});
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type VocabularyTestType = 'chinese-to-english' | 'audio-to-english' | 'multiple-choice';
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type WordRecordModeKey = 'chineseToEnglish' | 'audioToEnglish' | 'multipleChoice';
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const TEST_TYPE_TO_MODE: Record<VocabularyTestType, WordRecordModeKey> = {
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'chinese-to-english': 'chineseToEnglish',
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'audio-to-english': 'audioToEnglish',
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'multiple-choice': 'multipleChoice'
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};
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const WORD_RECORD_MODES: WordRecordModeKey[] = [
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'chineseToEnglish',
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'audioToEnglish',
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'multipleChoice'
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];
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const INVALIDATING_VOCABULARY_RISK_FLAGS = [
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'too_fast',
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'too_slow',
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'missing_input_value_trace',
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'input_value_mismatch',
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'uniform_answer_intervals',
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'repeated_whole_second_intervals'
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];
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const parseAdminDateRange = (source: Record<string, any>) => {
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const start = new Date(String(source.start || source.startTime || ''));
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const end = new Date(String(source.end || source.endTime || ''));
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if (Number.isNaN(start.getTime()) || Number.isNaN(end.getTime())) {
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return { error: '请选择有效的开始和结束时间' };
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}
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if (start > end) {
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return { error: '开始时间不能晚于结束时间' };
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}
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return { start, end };
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};
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const createEmptyModeStats = () => ({
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streak: 0,
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totalCorrect: 0,
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totalWrong: 0,
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mastered: false,
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inWrongBook: false,
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lastTestedAt: undefined as Date | undefined,
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lastMasteredAt: undefined as Date | undefined
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});
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const applyVocabularyAnswer = (modeStats: ReturnType<typeof createEmptyModeStats>, isCorrect: boolean, testedAt: Date) => {
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if (isCorrect) {
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modeStats.streak = (modeStats.streak || 0) + 1;
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modeStats.totalCorrect = (modeStats.totalCorrect || 0) + 1;
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} else {
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modeStats.streak = 0;
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modeStats.totalWrong = (modeStats.totalWrong || 0) + 1;
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}
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modeStats.lastTestedAt = testedAt;
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if (modeStats.streak >= 1) {
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modeStats.mastered = true;
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modeStats.lastMasteredAt = testedAt;
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modeStats.inWrongBook = false;
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}
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if (!modeStats.mastered && modeStats.totalWrong >= 5) {
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modeStats.inWrongBook = true;
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}
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};
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const getLatestMasteredAt = (state: Record<WordRecordModeKey, ReturnType<typeof createEmptyModeStats>>): Date | undefined => {
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let latest: Date | undefined;
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WORD_RECORD_MODES.forEach(mode => {
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[state[mode].lastMasteredAt, state[mode].lastTestedAt].forEach(value => {
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if (!value) return;
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if (!latest || value > latest) latest = value;
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});
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});
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return latest;
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};
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const rebuildVocabularyWordRecordsForUser = async (
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userId: string,
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wordIds: string[]
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) => {
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const uniqueWordIds = Array.from(new Set(wordIds.filter(id => mongoose.isValidObjectId(id))));
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if (uniqueWordIds.length === 0) return { affectedWords: 0, rebuiltWords: 0 };
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const userObjectId = new mongoose.Types.ObjectId(userId);
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const wordObjectIds = uniqueWordIds.map(id => new mongoose.Types.ObjectId(id));
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const wordIdSet = new Set(uniqueWordIds);
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const states = new Map<string, Record<WordRecordModeKey, ReturnType<typeof createEmptyModeStats>>>();
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const records = await VocabularyTestRecord.find({
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user: userObjectId,
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invalidated: { $ne: true },
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'results.word': { $in: wordObjectIds }
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})
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.select('testType stats.endTime createdAt results attempt')
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.sort({ 'stats.endTime': 1, createdAt: 1 })
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.lean();
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const attemptIds = records
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.map((record: any) => record.attempt?.toString?.() || '')
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.filter(id => mongoose.isValidObjectId(id));
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const attempts = attemptIds.length > 0
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? await VocabularyTestAttempt.find({ _id: { $in: attemptIds } }).select('riskFlags').lean()
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: [];
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const invalidatedAttemptIds = new Set(
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attempts
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.filter((attempt: any) => (attempt.riskFlags || []).some((flag: string) => INVALIDATING_VOCABULARY_RISK_FLAGS.includes(flag)))
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.map((attempt: any) => attempt._id.toString())
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);
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records.forEach((record: any) => {
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const attemptId = record.attempt?.toString?.() || '';
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if (attemptId && invalidatedAttemptIds.has(attemptId)) return;
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const modeKey = TEST_TYPE_TO_MODE[record.testType as VocabularyTestType];
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if (!modeKey) return;
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const testedAt = new Date(record.stats?.endTime || record.createdAt || Date.now());
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(record.results || []).forEach((result: any) => {
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const wordId = result.word?.toString?.() || String(result.word || '');
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if (!wordIdSet.has(wordId)) return;
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if (!states.has(wordId)) {
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states.set(wordId, {
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chineseToEnglish: createEmptyModeStats(),
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audioToEnglish: createEmptyModeStats(),
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multipleChoice: createEmptyModeStats()
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});
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}
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const state = states.get(wordId)!;
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applyVocabularyAnswer(state[modeKey], Boolean(result.isCorrect), testedAt);
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});
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});
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await WordRecord.deleteMany({ user: userObjectId, word: { $in: wordObjectIds } });
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const rebuiltDocs = Array.from(states.entries()).map(([wordId, state]) => {
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const isFullyMastered = WORD_RECORD_MODES.every(mode => state[mode].mastered);
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return {
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user: userObjectId,
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word: new mongoose.Types.ObjectId(wordId),
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chineseToEnglish: state.chineseToEnglish,
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audioToEnglish: state.audioToEnglish,
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multipleChoice: state.multipleChoice,
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isFullyMastered,
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lastFullyMasteredAt: isFullyMastered ? getLatestMasteredAt(state) : undefined,
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createdAt: new Date()
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};
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});
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if (rebuiltDocs.length > 0) {
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await WordRecord.insertMany(rebuiltDocs);
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}
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return {
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affectedWords: uniqueWordIds.length,
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rebuiltWords: rebuiltDocs.length
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};
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};
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router.get('/users', adminAuth, async (req, res) => {
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try {
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const users = await User.find()
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@@ -321,4 +487,145 @@ router.get('/vocabulary/word-sets/:id/words', adminAuth, async (req, res) => {
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}
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});
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export default router;
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// 按时间段汇总学生词汇测试通过情况
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router.get('/vocabulary/test-pass-summary', adminAuth, async (req, res) => {
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try {
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const range = parseAdminDateRange(req.query as Record<string, any>);
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if (range.error) {
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return res.status(400).json({ message: range.error });
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}
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const { start, end } = range as { start: Date; end: Date };
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const items = await VocabularyTestRecord.aggregate([
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{
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$match: {
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invalidated: { $ne: true },
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'stats.endTime': { $gte: start, $lte: end },
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'stats.correctWords': { $gt: 0 }
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}
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},
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{ $unwind: '$results' },
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{ $match: { 'results.isCorrect': true } },
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{
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$group: {
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_id: '$user',
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passedWords: { $sum: 1 },
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uniqueWordIds: { $addToSet: '$results.word' },
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testRecordIds: { $addToSet: '$_id' },
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wordSetIds: { $addToSet: '$wordSet' },
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testTypes: { $addToSet: '$testType' },
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firstPassedAt: { $min: '$stats.endTime' },
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lastPassedAt: { $max: '$stats.endTime' }
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}
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},
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{
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$lookup: {
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from: 'users',
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localField: '_id',
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foreignField: '_id',
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as: 'user'
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}
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},
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{ $unwind: { path: '$user', preserveNullAndEmptyArrays: true } },
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{
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$project: {
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_id: 0,
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userId: { $toString: '$_id' },
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username: '$user.username',
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fullname: '$user.fullname',
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email: '$user.email',
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passedWords: 1,
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uniqueWords: { $size: '$uniqueWordIds' },
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testRecords: { $size: '$testRecordIds' },
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wordSets: { $size: '$wordSetIds' },
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testTypes: 1,
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firstPassedAt: 1,
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lastPassedAt: 1
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}
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},
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{ $sort: { passedWords: -1, lastPassedAt: -1 } }
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]);
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res.json({
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start,
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end,
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totalStudents: items.length,
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totalPassedWords: items.reduce((sum: number, item: any) => sum + (item.passedWords || 0), 0),
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items
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});
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} catch (error) {
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console.error('获取词汇测试通过统计失败:', error);
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res.status(500).json({ message: '获取词汇测试通过统计失败' });
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}
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});
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// 清除某个学生在指定时间段内的词汇测试成绩，并重算掌握状态
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router.post('/vocabulary/test-pass-summary/clear', adminAuth, async (req, res) => {
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try {
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const range = parseAdminDateRange(req.body || {});
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if (range.error) {
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return res.status(400).json({ message: range.error });
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}
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const { start, end } = range as { start: Date; end: Date };
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const { userId } = req.body || {};
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if (!mongoose.isValidObjectId(userId)) {
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return res.status(400).json({ message: '学生ID无效' });
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}
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const user = await User.findById(userId).select('_id username fullname');
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if (!user) {
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return res.status(404).json({ message: '学生不存在' });
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}
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const records = await VocabularyTestRecord.find({
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user: user._id,
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invalidated: { $ne: true },
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'stats.endTime': { $gte: start, $lte: end },
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'stats.correctWords': { $gt: 0 }
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})
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.select('_id stats.correctWords results.word results.isCorrect')
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.lean();
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if (records.length === 0) {
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return res.json({
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message: '没有找到需要清除的词汇测试成绩',
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deletedRecords: 0,
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removedPassedWords: 0,
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affectedWords: 0,
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rebuiltWords: 0
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});
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}
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const recordIds = records.map(record => record._id);
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const affectedWordIds = new Set<string>();
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let removedPassedWords = 0;
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records.forEach((record: any) => {
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removedPassedWords += Number(record.stats?.correctWords || 0);
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(record.results || []).forEach((result: any) => {
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const wordId = result.word?.toString?.() || String(result.word || '');
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if (wordId) affectedWordIds.add(wordId);
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});
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});
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await VocabularyTestRecord.deleteMany({ _id: { $in: recordIds } });
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const rebuildResult = await rebuildVocabularyWordRecordsForUser(userId, Array.from(affectedWordIds));
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res.json({
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message: '词汇测试成绩已清除',
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userId,
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username: user.username,
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fullname: user.fullname,
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deletedRecords: records.length,
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removedPassedWords,
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affectedWords: rebuildResult.affectedWords,
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rebuiltWords: rebuildResult.rebuiltWords
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});
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} catch (error) {
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console.error('清除词汇测试成绩失败:', error);
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res.status(500).json({ message: '清除词汇测试成绩失败' });
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}
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});
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export default router;
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@@ -73,11 +73,19 @@ const WORD_RECORD_MODES: WordRecordModeKey[] = [
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'multipleChoice'
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];
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const getNumericEnv = (names: string[], fallback: number): number => {
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for (const name of names) {
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const parsed = Number(process.env[name]);
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if (Number.isFinite(parsed)) return parsed;
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}
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return fallback;
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};
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const ATTEMPT_TTL_MS = 30 * 60 * 1000;
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const MIN_STUDY_WORD_COUNT = 10;
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const MAX_STUDY_WORD_COUNT = 100;
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const MIN_SECONDS_PER_QUESTION = Number(process.env.VOCABULARY_MIN_SECONDS_PER_QUESTION || 2);
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const MAX_SECONDS_PER_QUESTION = Number(process.env.VOCABULARY_MAX_SECONDS_PER_QUESTION || 10);
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const MIN_SECONDS_PER_QUESTION = getNumericEnv(['VOCABULARY_MIN_SECONDS_PER_QUESTION', 'MIN_SECONDS_PER_QUESTION'], 2);
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const MAX_SECONDS_PER_QUESTION = getNumericEnv(['VOCABULARY_MAX_SECONDS_PER_QUESTION', 'MAX_SECONDS_PER_QUESTION'], 10);
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const VOCABULARY_ALLOWED_ORIGINS = (process.env.VOCABULARY_ALLOWED_ORIGINS || 'https://d1kt.cn,http://localhost:3000,http://localhost:3001')
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.split(',')
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.map(item => item.trim())
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@@ -1249,7 +1257,9 @@ router.post('/test-record', authMiddleware, async (req, res) => {
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userAnswer: result.userAnswer,
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correctAnswer: result.correctAnswer,
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isCorrect: shouldInvalidateBatch ? false : result.isCorrect
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}))
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})),
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invalidated: shouldInvalidateBatch,
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riskFlags: attemptAny.riskFlags || []
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});
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res.status(201).json({
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