106 lines
3.3 KiB
TypeScript
106 lines
3.3 KiB
TypeScript
import { and, db, eq, songs, systemSettings, songReplayRequests, semesters } from '~/drizzle/db'
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export default defineEventHandler(async (event) => {
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// 1. 检查用户认证
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const user = event.context.user
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if (!user) {
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throw createError({ statusCode: 401, message: '需要登录才能申请重播' })
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}
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// 2. 读取请求体
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const body = await readBody(event)
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const { songId } = body
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if (!songId) {
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throw createError({ statusCode: 400, message: '歌曲ID不能为空' })
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}
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// 3. 检查系统设置
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const settingsResult = await db.select().from(systemSettings).limit(1)
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const settings = settingsResult[0]
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if (!settings?.enableReplayRequests) {
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throw createError({ statusCode: 403, message: '重播申请功能未开启' })
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}
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// 4. 检查歌曲和学期
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const songResult = await db.select().from(songs).where(eq(songs.id, songId)).limit(1)
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const song = songResult[0]
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if (!song) {
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throw createError({ statusCode: 404, message: '歌曲不存在' })
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}
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if (!song.played) {
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throw createError({ statusCode: 400, message: '该歌曲尚未播放，无法申请重播' })
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}
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// 获取当前学期
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const currentSemesterResult = await db
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.select()
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.from(semesters)
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.where(eq(semesters.isActive, true))
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.limit(1)
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const currentSemester = currentSemesterResult[0]
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// 验证学期
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if (currentSemester) {
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if (song.semester !== currentSemester.name) {
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throw createError({ statusCode: 400, message: '只能申请重播当前学期的歌曲' })
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}
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} else {
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throw createError({ statusCode: 400, message: '当前没有活跃学期，无法申请重播' })
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}
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// 5. 检查是否重复申请和冷却期
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const existing = await db
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.select()
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.from(songReplayRequests)
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.where(and(eq(songReplayRequests.songId, songId), eq(songReplayRequests.userId, user.id)))
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.limit(1)
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if (existing.length > 0) {
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const existingRequest = existing[0]
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if (existingRequest.status === 'REJECTED') {
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// 检查冷却期 (24 小时)
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const COOLDOWN_HOURS = 24
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const cooldownTime = COOLDOWN_HOURS * 60 * 60 * 1000
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const timeSinceUpdate = Date.now() - new Date(existingRequest.updatedAt).getTime()
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if (timeSinceUpdate < cooldownTime) {
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const remainingHours = Math.ceil((cooldownTime - timeSinceUpdate) / (60 * 60 * 1000))
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throw createError({
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statusCode: 429,
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message: `您的重播申请被拒绝后需要等待 ${remainingHours} 小时才能重新申请`
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})
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}
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// 冷却期已过，更新状态为 PENDING
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await db
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.update(songReplayRequests)
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.set({
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status: 'PENDING',
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updatedAt: new Date(),
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createdAt: new Date()
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})
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.where(eq(songReplayRequests.id, existingRequest.id))
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return { success: true, message: '重新申请重播成功' }
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} else {
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throw createError({ statusCode: 400, message: '您已经申请过重播该歌曲' })
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}
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}
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// 6. 插入申请记录
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try {
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await db.insert(songReplayRequests).values({
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songId,
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userId: user.id
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})
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return { success: true, message: '申请重播成功' }
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} catch (error: any) {
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// 处理唯一约束冲突
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if (error.code === '23505') {
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throw createError({ statusCode: 400, message: '您已经申请过重播该歌曲' })
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}
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throw error
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}
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})
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