49 lines
1.3 KiB
TypeScript
49 lines
1.3 KiB
TypeScript
import { NextResponse } from 'next/server'
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import { prisma } from '@/lib/prisma'
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// Get material statistics (total count and monthly breakdown)
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// 优化：使用SQL聚合查询，避免加载所有数据到内存
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export async function GET() {
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try {
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// 并行查询总数和按月统计
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const [total, monthlyStats] = await Promise.all([
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prisma.material.count(),
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prisma.$queryRaw<Array<{
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year: number
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month: number
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count: bigint
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}>>`
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SELECT
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EXTRACT(YEAR FROM created_at)::int as year,
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EXTRACT(MONTH FROM created_at)::int as month,
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COUNT(*)::bigint as count
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FROM materials
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GROUP BY EXTRACT(YEAR FROM created_at), EXTRACT(MONTH FROM created_at)
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ORDER BY year DESC, month DESC
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`
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])
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// 格式化月份数据
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const months = monthlyStats.map(item => {
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const monthKey = `${item.year}-${String(item.month).padStart(2, '0')}`
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return {
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value: monthKey,
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label: `${item.year}年${item.month}月`,
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count: Number(item.count)
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}
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})
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return NextResponse.json({
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total,
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months
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})
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} catch (error) {
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console.error('[MaterialStats] Get error:', error)
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return NextResponse.json(
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{ error: '获取统计数据失败' },
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{ status: 500 }
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)
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}
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}
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