88 lines
2.4 KiB
TypeScript
88 lines
2.4 KiB
TypeScript
import { NextResponse } from 'next/server'
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import { prisma } from '@/lib/prisma'
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// 获取排行榜数据
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export async function GET() {
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try {
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// 1. 贡献排行榜（上传素材数量最多）
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// 优化：使用SQL聚合查询，保持与其他排行榜一致
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const contributors = await prisma.$queryRaw<Array<{
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userId: string
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username: string
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materialCount: bigint
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}>>`
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SELECT
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u.id as "userId",
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u.username,
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COUNT(m.id)::bigint as "materialCount"
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FROM users u
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LEFT JOIN materials m ON u.id = m."userId"
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GROUP BY u.id, u.username
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ORDER BY "materialCount" DESC
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LIMIT 10
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`
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// 2. 下载排行榜（素材被下载次数最多的作者）
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// 优化：使用SQL聚合查询，避免N+1问题
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const downloadRankings = await prisma.$queryRaw<Array<{
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userId: string
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totalDownloads: bigint
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username: string
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}>>`
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SELECT
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m."userId",
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COALESCE(SUM(m."downloadCount"), 0)::bigint as "totalDownloads",
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u.username
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FROM materials m
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INNER JOIN users u ON m."userId" = u.id
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GROUP BY m."userId", u.username
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ORDER BY "totalDownloads" DESC
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LIMIT 10
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`
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const downloadUsers = downloadRankings.map((item) => ({
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username: item.username || '未知用户',
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count: Number(item.totalDownloads),
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}))
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// 3. 点赞排行榜（素材被点赞次数最多的作者）
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// 优化：使用SQL聚合查询，避免N+1问题
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const likeRankings = await prisma.$queryRaw<Array<{
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userId: string
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totalLikes: bigint
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username: string
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}>>`
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SELECT
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m."userId",
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COALESCE(SUM(m."likeCount"), 0)::bigint as "totalLikes",
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u.username
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FROM materials m
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INNER JOIN users u ON m."userId" = u.id
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GROUP BY m."userId", u.username
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ORDER BY "totalLikes" DESC
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LIMIT 10
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`
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const likeUsers = likeRankings.map((item) => ({
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username: item.username || '未知用户',
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count: Number(item.totalLikes),
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}))
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return NextResponse.json({
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contributors: contributors.map((user) => ({
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username: user.username || '未知用户',
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count: Number(user.materialCount),
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})),
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downloads: downloadUsers,
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likes: likeUsers,
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})
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} catch (error) {
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console.error('[Rankings] GET error:', error)
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return NextResponse.json(
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{ error: '获取排行榜失败' },
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{ status: 500 }
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)
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}
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}
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