632 lines
19 KiB
TypeScript
632 lines
19 KiB
TypeScript
// server/routes/admin.ts
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import express from 'express';
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import { adminAuth } from '../middleware/auth';
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import { User } from '../models/User';
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import bcrypt from 'bcrypt';
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import { OAuth2Client } from '../models/oauth2';
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import { AdminController } from './admin.controller';
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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, 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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const adminController = new AdminController();
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// 配置 multer 用于文件上传
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const storage = multer.diskStorage({
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destination: function (req, file, cb) {
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const uploadDir = path.join(__dirname, '../uploads');
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// 确保上传目录存在
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if (!fs.existsSync(uploadDir)) {
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fs.mkdirSync(uploadDir, { recursive: true });
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}
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cb(null, uploadDir);
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},
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filename: function (req, file, cb) {
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cb(null, `${Date.now()}-${file.originalname}`);
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}
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});
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const upload = multer({
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storage: storage,
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limits: {
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fileSize: 5 * 1024 * 1024 // 限制5MB
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},
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fileFilter: function (req, file, cb) {
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// 只允许上传CSV文件
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if (file.mimetype === 'text/csv' || file.originalname.endsWith('.csv')) {
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cb(null, true);
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} else {
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cb(new Error('只支持CSV文件'));
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}
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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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.select('-password')
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.sort({ createdAt: -1 });
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res.json(users);
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} catch (error) {
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res.status(500).json({ message: '获取用户列表失败' });
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}
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});
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// 添加 PUT 路由用于更新用户
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router.put('/users/:id', adminAuth, async (req, res) => {
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try {
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// 检查用户名是否已存在（排除当前用户）
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const existingUser = await User.findOne({
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username: req.body.username,
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_id: { $ne: req.params.id }
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});
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if (existingUser) {
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return res.status(400).json({ message: '用户名已被使用' });
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}
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// 检查邮箱是否已存在（排除当前用户）
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if (req.body.email) {
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const existingEmail = await User.findOne({
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email: req.body.email,
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_id: { $ne: req.params.id }
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});
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if (existingEmail) {
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return res.status(400).json({ message: '邮箱已被使用' });
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}
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}
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const user = await User.findByIdAndUpdate(
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req.params.id,
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req.body,
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{ new: true, select: '-password' }
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);
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if (!user) {
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return res.status(404).json({ message: '用户不存在' });
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}
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res.json(user);
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} catch (error) {
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console.error('Error updating user:', error);
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res.status(500).json({ message: '更新用户失败' });
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}
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});
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router.post('/users', adminAuth, async (req, res) => {
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try {
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const { username, email, password, fullname, isAdmin } = req.body;
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// 验证必填字段
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if (!username || !email || !password || !fullname) {
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return res.status(400).json({ message: '请填写所有必填字段' });
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}
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// 检查用户名是否已存在
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const existingUser = await User.findOne({ username });
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if (existingUser) {
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return res.status(400).json({ message: '用户名已被使用' });
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}
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// 检查邮箱是否已存在
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const existingEmail = await User.findOne({ email });
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if (existingEmail) {
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return res.status(400).json({ message: '邮箱已被使用' });
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}
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// 创建新用户
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const newUser = new User({
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username,
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email,
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password: password,
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fullname,
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isAdmin: isAdmin || false
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});
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await newUser.save();
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// 返回用户信息（不包含密码）
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const userResponse = await User.findById(newUser._id).select('-password');
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res.status(201).json(userResponse);
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} catch (error) {
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console.error('Error creating user:', error);
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res.status(500).json({ message: '创建用户失败' });
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}
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});
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// 添加删除用户路由
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router.delete('/users/:id', adminAuth, async (req, res) => {
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try {
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const user = await User.findById(req.params.id);
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if (!user) {
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return res.status(404).json({ message: '用户不存在' });
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}
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// 防止删除最后一个管理员
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if (user.isAdmin) {
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const adminCount = await User.countDocuments({ isAdmin: true });
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if (adminCount <= 1) {
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return res.status(400).json({ message: '不能删除最后一个管理员' });
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}
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}
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await User.findByIdAndDelete(req.params.id);
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res.json({ message: '用户已删除' });
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} catch (error) {
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console.error('Error deleting user:', error);
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res.status(500).json({ message: '删除用户失败' });
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}
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});
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// OAuth2 客户端管理路由
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router.get('/oauth2/clients', adminAuth, (req, res) => adminController.listOAuth2Clients(req, res));
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router.post('/oauth2/clients', adminAuth, (req, res) => adminController.createOAuth2Client(req, res));
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router.put('/oauth2/clients/:id', adminAuth, (req, res) => adminController.updateOAuth2Client(req, res));
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router.delete('/oauth2/clients/:id', adminAuth, (req, res) => adminController.deleteOAuth2Client(req, res));
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// ===== 单词库管理路由 =====
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// 获取所有单词集
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router.get('/vocabulary/word-sets', adminAuth, async (req, res) => {
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try {
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const wordSets = await WordSet.find()
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.select('name description totalWords createdAt owner')
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.populate('owner', 'username fullname')
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.sort({ createdAt: -1 });
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res.json(wordSets);
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} catch (error) {
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console.error('获取单词集失败:', error);
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res.status(500).json({ message: '获取单词集失败' });
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}
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});
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// 上传单词文件并创建单词集（管理员版本）
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router.post('/vocabulary/upload', adminAuth, upload.single('file'), async (req, res) => {
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if (!req.file) {
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return res.status(400).json({ message: '请上传文件' });
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}
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try {
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const { name, description, ownerId } = req.body;
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const fileName = req.file.filename;
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const filePath = req.file.path;
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// 如果没有指定所有者，默认为当前管理员
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const owner = ownerId || req.user._id;
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// 检查是否已存在同名单词集
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const existingSet = await WordSet.findOne({
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name: name || path.basename(fileName, '.csv'),
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owner: owner
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});
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if (existingSet) {
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// 删除上传的文件
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fs.unlinkSync(filePath);
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return res.status(400).json({ message: '已存在同名单词集' });
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}
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// 创建单词集
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const wordSet = await WordSet.create({
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name: name || path.basename(fileName, '.csv'),
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description: description || '',
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owner: owner,
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totalWords: 0
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});
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const results: any[] = [];
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let wordCount = 0;
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// 处理CSV文件
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fs.createReadStream(filePath)
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.pipe(csv())
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.on('data', (data) => {
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// 检查必要的字段是否存在
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if (data.word && data.translation) {
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results.push({
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word: data.word.trim(),
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translation: data.translation.trim(),
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pronunciation: data.pronunciation?.trim(),
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example: data.example?.trim(),
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wordSet: wordSet._id
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});
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wordCount++;
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}
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})
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.on('end', async () => {
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try {
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// 批量插入单词
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if (results.length > 0) {
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await Word.insertMany(results);
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// 更新单词集的单词数量
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await WordSet.findByIdAndUpdate(wordSet._id, { totalWords: wordCount });
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}
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// 删除上传的文件
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fs.unlinkSync(filePath);
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res.status(201).json({
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message: `成功创建单词集并导入${wordCount}个单词`,
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wordSet
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});
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} catch (error) {
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// 如果插入单词失败，删除创建的单词集
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await WordSet.findByIdAndDelete(wordSet._id);
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console.error('导入单词失败:', error);
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res.status(500).json({ message: '导入单词失败' });
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}
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})
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.on('error', (error) => {
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console.error('处理CSV文件失败:', error);
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res.status(500).json({ message: '处理CSV文件失败' });
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});
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} catch (error) {
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console.error('上传文件失败:', error);
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res.status(500).json({ message: '上传文件失败' });
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}
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});
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// 删除单词集
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router.delete('/vocabulary/word-sets/:id', adminAuth, async (req, res) => {
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try {
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const { id } = req.params;
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// 检查单词集是否存在
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const wordSet = await WordSet.findById(id);
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if (!wordSet) {
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return res.status(404).json({ message: '未找到单词集' });
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}
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// 删除单词集及其关联的所有单词
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await Word.deleteMany({ wordSet: id });
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await WordSet.findByIdAndDelete(id);
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res.json({ message: '单词集已删除' });
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} catch (error) {
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console.error('删除单词集失败:', error);
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res.status(500).json({ message: '删除单词集失败' });
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}
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});
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// 单词集详情（包括所有单词）
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router.get('/vocabulary/word-sets/:id/words', adminAuth, async (req, res) => {
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try {
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const { id } = req.params;
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// 检查单词集是否存在
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const wordSet = await WordSet.findById(id);
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if (!wordSet) {
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return res.status(404).json({ message: '未找到单词集' });
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}
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// 获取单词集中的所有单词
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const words = await Word.find({ wordSet: id });
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res.json({
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wordSet,
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words
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});
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} catch (error) {
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console.error('获取单词集详情失败:', error);
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res.status(500).json({ message: '获取单词集详情失败' });
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}
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});
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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>);
|
|
if (range.error) {
|
|
return res.status(400).json({ message: range.error });
|
|
}
|
|
|
|
const { start, end } = range as { start: Date; end: Date };
|
|
const items = await VocabularyTestRecord.aggregate([
|
|
{
|
|
$match: {
|
|
invalidated: { $ne: true },
|
|
'stats.endTime': { $gte: start, $lte: end },
|
|
'stats.correctWords': { $gt: 0 }
|
|
}
|
|
},
|
|
{ $unwind: '$results' },
|
|
{ $match: { 'results.isCorrect': true } },
|
|
{
|
|
$group: {
|
|
_id: '$user',
|
|
passedWords: { $sum: 1 },
|
|
uniqueWordIds: { $addToSet: '$results.word' },
|
|
testRecordIds: { $addToSet: '$_id' },
|
|
wordSetIds: { $addToSet: '$wordSet' },
|
|
testTypes: { $addToSet: '$testType' },
|
|
firstPassedAt: { $min: '$stats.endTime' },
|
|
lastPassedAt: { $max: '$stats.endTime' }
|
|
}
|
|
},
|
|
{
|
|
$lookup: {
|
|
from: 'users',
|
|
localField: '_id',
|
|
foreignField: '_id',
|
|
as: 'user'
|
|
}
|
|
},
|
|
{ $unwind: { path: '$user', preserveNullAndEmptyArrays: true } },
|
|
{
|
|
$project: {
|
|
_id: 0,
|
|
userId: { $toString: '$_id' },
|
|
username: '$user.username',
|
|
fullname: '$user.fullname',
|
|
email: '$user.email',
|
|
passedWords: 1,
|
|
uniqueWords: { $size: '$uniqueWordIds' },
|
|
testRecords: { $size: '$testRecordIds' },
|
|
wordSets: { $size: '$wordSetIds' },
|
|
testTypes: 1,
|
|
firstPassedAt: 1,
|
|
lastPassedAt: 1
|
|
}
|
|
},
|
|
{ $sort: { passedWords: -1, lastPassedAt: -1 } }
|
|
]);
|
|
|
|
res.json({
|
|
start,
|
|
end,
|
|
totalStudents: items.length,
|
|
totalPassedWords: items.reduce((sum: number, item: any) => sum + (item.passedWords || 0), 0),
|
|
items
|
|
});
|
|
} catch (error) {
|
|
console.error('获取词汇测试通过统计失败:', error);
|
|
res.status(500).json({ message: '获取词汇测试通过统计失败' });
|
|
}
|
|
});
|
|
|
|
// 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
|
|
router.post('/vocabulary/test-pass-summary/clear', adminAuth, async (req, res) => {
|
|
try {
|
|
const range = parseAdminDateRange(req.body || {});
|
|
if (range.error) {
|
|
return res.status(400).json({ message: range.error });
|
|
}
|
|
|
|
const { start, end } = range as { start: Date; end: Date };
|
|
const { userId } = req.body || {};
|
|
if (!mongoose.isValidObjectId(userId)) {
|
|
return res.status(400).json({ message: '学生ID无效' });
|
|
}
|
|
|
|
const user = await User.findById(userId).select('_id username fullname');
|
|
if (!user) {
|
|
return res.status(404).json({ message: '学生不存在' });
|
|
}
|
|
|
|
const records = await VocabularyTestRecord.find({
|
|
user: user._id,
|
|
invalidated: { $ne: true },
|
|
'stats.endTime': { $gte: start, $lte: end },
|
|
'stats.correctWords': { $gt: 0 }
|
|
})
|
|
.select('_id stats.correctWords results.word results.isCorrect')
|
|
.lean();
|
|
|
|
if (records.length === 0) {
|
|
return res.json({
|
|
message: '没有找到需要清除的词汇测试成绩',
|
|
deletedRecords: 0,
|
|
removedPassedWords: 0,
|
|
affectedWords: 0,
|
|
rebuiltWords: 0
|
|
});
|
|
}
|
|
|
|
const recordIds = records.map(record => record._id);
|
|
const affectedWordIds = new Set<string>();
|
|
let removedPassedWords = 0;
|
|
|
|
records.forEach((record: any) => {
|
|
removedPassedWords += Number(record.stats?.correctWords || 0);
|
|
(record.results || []).forEach((result: any) => {
|
|
const wordId = result.word?.toString?.() || String(result.word || '');
|
|
if (wordId) affectedWordIds.add(wordId);
|
|
});
|
|
});
|
|
|
|
await VocabularyTestRecord.deleteMany({ _id: { $in: recordIds } });
|
|
const rebuildResult = await rebuildVocabularyWordRecordsForUser(userId, Array.from(affectedWordIds));
|
|
|
|
res.json({
|
|
message: '词汇测试成绩已清除',
|
|
userId,
|
|
username: user.username,
|
|
fullname: user.fullname,
|
|
deletedRecords: records.length,
|
|
removedPassedWords,
|
|
affectedWords: rebuildResult.affectedWords,
|
|
rebuiltWords: rebuildResult.rebuiltWords
|
|
});
|
|
} catch (error) {
|
|
console.error('清除词汇测试成绩失败:', error);
|
|
res.status(500).json({ message: '清除词汇测试成绩失败' });
|
|
}
|
|
});
|
|
|
|
export default router;
|