100 lines
2.8 KiB
TypeScript
100 lines
2.8 KiB
TypeScript
import { db } from '~/drizzle/db'
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import { expectedPlayDates, songs } from '~/drizzle/schema'
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import { eq, and } from 'drizzle-orm'
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export default defineEventHandler(async (event) => {
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const songId = Number(event.context.params?.id)
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const body = await readBody(event)
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if (!songId || isNaN(songId)) {
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throw createError({
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statusCode: 400,
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message: '无效的歌曲ID'
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})
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}
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// user check
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const user = event.context.user
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if (!user) {
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throw createError({
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statusCode: 401,
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message: '需要登录'
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})
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}
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const { expectedPlayDate, expectedPlaySequence } = body
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// 如果传空值，说明用户取消选择或清空
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if (!expectedPlayDate || expectedPlaySequence === undefined) {
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await db.update(songs).set({
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expectedPlayDate: null,
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expectedPlaySequence: null
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}).where(eq(songs.id, songId))
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return { success: true }
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}
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try {
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// 开启事务检查冲突
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const updatedSong = await db.transaction(async (tx) => {
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// 1. 检查日期和序号是否有效
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const dateSetting = await tx.select().from(expectedPlayDates).where(eq(expectedPlayDates.date, expectedPlayDate))
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if (dateSetting.length === 0 || !dateSetting[0].enabled) {
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throw createError({
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statusCode: 400,
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message: '该日期未开放选座'
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})
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}
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const availableSeqs = dateSetting[0].availableSequences.split(',').map(s => parseInt(s.trim(), 10))
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if (!availableSeqs.includes(expectedPlaySequence)) {
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throw createError({
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statusCode: 400,
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message: '无效的序号'
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})
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}
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// 2. 检查是否已被占用
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const takenSongs = await tx.select({ id: songs.id })
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.from(songs)
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.where(
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and(
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eq(songs.expectedPlayDate, expectedPlayDate),
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eq(songs.expectedPlaySequence, expectedPlaySequence),
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eq(songs.played, false)
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)
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)
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if (takenSongs.length > 0 && takenSongs[0].id !== songId) {
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throw createError({
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statusCode: 409,
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message: '该序号已被占用，请选择其他序号'
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})
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}
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// 3. 更新歌曲
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const result = await tx.update(songs).set({
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expectedPlayDate,
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expectedPlaySequence
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}).where(and(eq(songs.id, songId), eq(songs.requesterId, user.id))).returning()
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if (result.length === 0) {
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throw createError({
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statusCode: 404,
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message: '歌曲不存在或无权修改'
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})
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}
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return result[0]
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})
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return { success: true, data: updatedSong }
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} catch (error: any) {
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console.error('更新期望播出时段失败:', error)
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throw createError({
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statusCode: error.statusCode || 500,
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message: error.message || '操作失败'
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})
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}
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}) |