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import { createError, defineEventHandler, getQuery } from 'h3'
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import { db } from '~/drizzle/db'
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import { playTimes, schedules, songs, users, votes } from '~/drizzle/schema'
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import { and, asc, count, desc, eq, inArray, like, or } from 'drizzle-orm'
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import { openApiCache } from '~~/server/utils/open-api-cache'
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import { CACHE_CONSTANTS } from '~~/server/config/constants'
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import { cache } from '~~/server/utils/cache-helpers'
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import crypto from 'crypto'
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import { formatDateTime } from '~/utils/timeUtils'
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export default defineEventHandler(async (event) => {
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try {
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const query = getQuery(event)
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const apiKey = event.context.apiKey
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// API认证中间件已经验证了权限，这里只需要确保有API Key信息
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if (!apiKey) {
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throw createError({
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statusCode: 401,
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message: 'API认证失败'
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})
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}
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const search = (query.search as string) || ''
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const semester = (query.semester as string) || ''
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const grade = (query.grade as string) || ''
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const played = query.played as string // 'true', 'false', 或空字符串
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const scheduled = query.scheduled as string // 'true', 'false', 或空字符串
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const page = parseInt(query.page as string) || 1
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const limit = Math.min(parseInt(query.limit as string) || 20, 100) // 最大100条
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const sortBy = (query.sortBy as string) || 'createdAt'
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const sortOrder = (query.sortOrder as string) || 'desc'
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// 优先从普通API缓存获取数据
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// 构建与普通API相同的缓存键
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const queryParams = {
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search: search || '',
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semester: semester || '',
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sortBy,
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sortOrder
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}
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const queryHash = crypto.createHash('md5').update(JSON.stringify(queryParams)).digest('hex')
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const normalApiCacheKey = `songs:list:${queryHash}`
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// 尝试从普通API缓存获取基础数据
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const cachedSongsData = await cache.get<any>(normalApiCacheKey)
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if (cachedSongsData !== null) {
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console.log(`[OpenAPI Cache] 使用普通API歌曲缓存数据: ${normalApiCacheKey}`)
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// 转换为开放API格式
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const songs = cachedSongsData.data?.songs || []
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const total = cachedSongsData.data?.total || 0
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// 应用分页
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const startIndex = (page - 1) * limit
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const endIndex = startIndex + limit
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const paginatedSongs = songs.slice(startIndex, endIndex)
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const result = {
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success: true,
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data: {
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songs: paginatedSongs.map((song: any) => ({
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id: song.id,
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title: song.title,
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artist: song.artist,
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semester: song.semester,
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cover: song.cover,
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musicPlatform: song.musicPlatform,
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musicId: song.musicId,
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playUrl: song.playUrl,
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voteCount: song.voteCount || 0,
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scheduled: song.scheduled || false,
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played: song.played || false,
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playedAt: song.playedAt,
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createdAt: song.createdAt,
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requester: song.requester
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? {
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name: song.requester.name,
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grade: song.requester.grade,
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class: song.requester.class
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}
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: null
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})),
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pagination: {
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page,
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limit,
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total,
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totalPages: Math.ceil(total / limit)
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},
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filters: {
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search: search || null,
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semester: semester || null
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}
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}
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}
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return result
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}
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// 构建查询条件
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const conditions = []
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if (search) {
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conditions.push(or(like(songs.title, `%${search}%`), like(songs.artist, `%${search}%`)))
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}
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if (semester) {
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conditions.push(eq(songs.semester, semester))
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}
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if (grade) {
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conditions.push(eq(users.grade, grade))
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}
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if (played === 'true') {
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conditions.push(eq(songs.played, true))
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} else if (played === 'false') {
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conditions.push(eq(songs.played, false))
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}
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const whereCondition = conditions.length > 0 ? and(...conditions) : undefined
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// 计算偏移量
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const offset = (page - 1) * limit
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// 查询歌曲总数
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const totalResult = await db
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.select({ count: count() })
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.from(songs)
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.leftJoin(users, eq(songs.requesterId, users.id))
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.where(whereCondition)
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const total = totalResult[0].count
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// 获取歌曲数据
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const songsData = await db
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.select({
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id: songs.id,
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title: songs.title,
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artist: songs.artist,
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played: songs.played,
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playedAt: songs.playedAt,
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semester: songs.semester,
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createdAt: songs.createdAt,
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updatedAt: songs.updatedAt,
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cover: songs.cover,
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musicPlatform: songs.musicPlatform,
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musicId: songs.musicId,
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preferredPlayTimeId: songs.preferredPlayTimeId,
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requester: {
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id: users.id,
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name: users.name,
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grade: users.grade,
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class: users.class
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}
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})
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.from(songs)
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.leftJoin(users, eq(songs.requesterId, users.id))
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.where(whereCondition)
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.orderBy(
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sortBy === 'createdAt'
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? sortOrder === 'desc'
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? desc(songs.createdAt)
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: asc(songs.createdAt)
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: sortBy === 'title'
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? sortOrder === 'desc'
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? desc(songs.title)
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: asc(songs.title)
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: sortBy === 'artist'
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? sortOrder === 'desc'
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? desc(songs.artist)
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: asc(songs.artist)
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: sortBy === 'playedAt'
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? sortOrder === 'desc'
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? desc(songs.playedAt)
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: asc(songs.playedAt)
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: desc(songs.createdAt)
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)
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.limit(limit)
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.offset(offset)
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// 获取每首歌的投票数
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const songIds = songsData.map((song) => song.id)
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const voteCountsQuery =
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songIds.length > 0
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? await db
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.select({
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songId: votes.songId,
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count: count(votes.id)
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})
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.from(votes)
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.where(inArray(votes.songId, songIds))
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.groupBy(votes.songId)
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: []
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const voteCounts = new Map(voteCountsQuery.map((v) => [v.songId, v.count]))
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// 获取每首歌的排期状态
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// 只查询已发布的排期，草稿不算作已排期
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const schedulesQuery =
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songIds.length > 0
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? await db
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.select({
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songId: schedules.songId
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})
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.from(schedules)
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.where(and(inArray(schedules.songId, songIds), eq(schedules.isDraft, false)))
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: []
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const scheduledSongs = new Set(schedulesQuery.map((s) => s.songId))
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// 获取期望播放时段信息
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const playTimesQuery = await db.select().from(playTimes)
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const playTimesMap = new Map(playTimesQuery.map((pt) => [pt.id, pt]))
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// 获取所有用户的姓名列表，用于检测同名用户
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const allUsers = await db
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.select({
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id: users.id,
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name: users.name,
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grade: users.grade,
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class: users.class
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})
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.from(users)
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// 创建姓名到用户数组的映射
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const nameToUsers = new Map()
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allUsers.forEach((u) => {
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if (u.name) {
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if (!nameToUsers.has(u.name)) {
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nameToUsers.set(u.name, [])
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}
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nameToUsers.get(u.name).push(u)
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}
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})
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// 转换数据格式
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let formattedSongs = songsData.map((song) => {
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// 处理投稿人姓名，如果是同名用户则添加后缀
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let requesterName = song.requester?.name || '未知用户'
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// 检查是否有同名用户
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const sameNameUsers = nameToUsers.get(requesterName)
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if (sameNameUsers && sameNameUsers.length > 1) {
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const requesterWithGradeClass = song.requester
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// 如果有年级信息，则添加年级后缀
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if (requesterWithGradeClass?.grade) {
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// 检查同一个年级是否有同名
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const sameGradeUsers = sameNameUsers.filter(
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(u: { grade?: string; class?: string }) => u.grade === requesterWithGradeClass.grade
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)
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if (sameGradeUsers.length > 1 && requesterWithGradeClass.class) {
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// 同一个年级有同名，添加班级后缀
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requesterName = `${requesterName}（${requesterWithGradeClass.grade} ${requesterWithGradeClass.class}）`
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} else {
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// 只添加年级后缀
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requesterName = `${requesterName}（${requesterWithGradeClass.grade}）`
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}
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}
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}
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// 创建歌曲对象
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const songObject: any = {
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id: song.id,
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title: song.title,
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artist: song.artist,
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requester: requesterName,
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requesterId: song.requester?.id,
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voteCount: voteCounts.get(song.id) || 0,
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played: song.played,
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playedAt: song.playedAt,
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playedAtFormatted: song.playedAt ? formatDateTime(song.playedAt) : null,
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semester: song.semester,
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createdAt: song.createdAt,
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updatedAt: song.updatedAt,
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requestedAt: formatDateTime(song.createdAt),
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scheduled: scheduledSongs.has(song.id),
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cover: song.cover || null,
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musicPlatform: song.musicPlatform || null,
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musicId: song.musicId || null,
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playUrl: song.playUrl || null,
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preferredPlayTimeId: song.preferredPlayTimeId
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}
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// 添加期望播放时段相关字段
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if (song.preferredPlayTimeId) {
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const preferredPlayTime = playTimesMap.get(song.preferredPlayTimeId)
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if (preferredPlayTime) {
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songObject.preferredPlayTime = {
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id: preferredPlayTime.id,
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name: preferredPlayTime.name,
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startTime: preferredPlayTime.startTime,
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endTime: preferredPlayTime.endTime,
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enabled: preferredPlayTime.enabled
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}
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}
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}
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return songObject
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})
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// 如果需要按排期状态筛选
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if (scheduled === 'true') {
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formattedSongs = formattedSongs.filter((song) => song.scheduled)
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} else if (scheduled === 'false') {
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formattedSongs = formattedSongs.filter((song) => !song.scheduled)
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}
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// 如果按投票数排序，需要重新排序
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if (sortBy === 'votes') {
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formattedSongs.sort((a, b) => {
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const diff = sortOrder === 'desc' ? b.voteCount - a.voteCount : a.voteCount - b.voteCount
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if (diff === 0) {
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// 投票数相同时，按提交时间排序（较早提交的优先）
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return new Date(a.createdAt).getTime() - new Date(b.createdAt).getTime()
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}
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return diff
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})
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}
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const result = {
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success: true,
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data: {
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songs: formattedSongs,
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pagination: {
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page,
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limit,
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total,
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totalPages: Math.ceil(total / limit)
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}
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}
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}
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// 将查询结果缓存到普通API缓存中，供普通API和开放API共享
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const normalApiResult = {
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success: true,
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data: {
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songs: songsWithDetails,
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total,
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pagination: {
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page,
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limit,
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totalPages: Math.ceil(total / limit)
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}
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}
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}
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// 使用与普通API相同的缓存键格式（变量已在前面声明）
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await cache.set(normalApiCacheKey, normalApiResult, 180) // 3分钟缓存
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console.log(
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`[OpenAPI Cache] 歌曲数据已缓存到普通API缓存: ${normalApiCacheKey}，数量: ${songsWithDetails.length}`
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)
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// 可选：也缓存到开放API专用缓存（保留原有逻辑，但优先级较低）
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const openApiCacheKey = openApiCache.generateKey('songs', {
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search,
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semester,
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page,
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limit,
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sortBy,
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sortOrder
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})
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await openApiCache.set(openApiCacheKey, result, CACHE_CONSTANTS.DEFAULT_TTL)
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return result
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} catch (error: any) {
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console.error('[Open API] 获取歌曲列表失败:', error)
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if (error.statusCode) {
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throw error
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} else {
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throw createError({
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statusCode: 500,
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message: '获取歌曲列表失败'
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})
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}
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}
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})
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