72 lines
2.1 KiB
TypeScript
72 lines
2.1 KiB
TypeScript
import { createError, defineEventHandler } from 'h3'
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import { and, count, db, eq, exists, schedules, semesters, songs, votes } from '~/drizzle/db'
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export default defineEventHandler(async (event) => {
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// 检查认证和权限
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const user = event.context.user
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if (!user || !['ADMIN', 'SUPER_ADMIN'].includes(user.role)) {
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throw createError({
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statusCode: 403,
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message: '需要管理员权限'
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})
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}
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try {
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// 获取所有学期
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const semesterList = await db.select().from(semesters).orderBy(semesters.createdAt)
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// 获取每个学期的统计数据
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const semesterStats = await Promise.all(
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semesterList.map(async (semester) => {
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// 统计该学期的歌曲数量
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const [totalSongsResult, totalSchedulesResult, totalRequestsResult] = await Promise.all([
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db
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.select({ count: count() })
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.from(songs)
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.where(eq(songs.semester, semester.name)),
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// 统计该学期的排期数量（通过关联歌曲）
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db
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.select({ count: count() })
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.from(schedules)
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.innerJoin(songs, eq(schedules.songId, songs.id))
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.where(eq(songs.semester, semester.name)),
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// 统计该学期有投票的歌曲数量
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db
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.select({ count: count() })
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.from(songs)
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.where(
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and(
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eq(songs.semester, semester.name),
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exists(db.select().from(votes).where(eq(votes.songId, songs.id)))
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)
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)
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])
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const [totalSongs, totalSchedules, totalRequests] = [
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totalSongsResult[0]?.count || 0,
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totalSchedulesResult[0]?.count || 0,
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totalRequestsResult[0]?.count || 0
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]
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return {
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semester: semester.name,
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totalSongs,
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totalSchedules,
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totalRequests,
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isActive: semester.isActive
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}
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})
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)
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return semesterStats
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} catch (error) {
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console.error('获取学期对比数据失败:', error)
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throw createError({
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statusCode: 500,
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message: '获取学期对比数据失败'
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})
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}
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})
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