75 lines
2.1 KiB
TypeScript
75 lines
2.1 KiB
TypeScript
import { NextRequest, NextResponse } from 'next/server'
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import { writeFile, mkdir } from 'fs/promises'
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import { join } from 'path'
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import { existsSync } from 'fs'
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export async function POST(request: NextRequest) {
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try {
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const data = await request.formData()
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const file: File | null = data.get('file') as unknown as File
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const awardId = data.get('awardId') as string
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if (!file) {
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return NextResponse.json({ error: '沒有選擇文件' }, { status: 400 })
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}
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// 驗證文件類型
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const allowedTypes = [
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'application/pdf',
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'application/msword',
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'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
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'application/vnd.ms-powerpoint',
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'application/vnd.openxmlformats-officedocument.presentationml.presentation'
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]
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if (!allowedTypes.includes(file.type)) {
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return NextResponse.json({
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error: '不支持的文件格式，請上傳 PDF、DOC、DOCX、PPT、PPTX 格式的文件'
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}, { status: 400 })
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}
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// 驗證文件大小 (10MB)
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const maxSize = 10 * 1024 * 1024
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if (file.size > maxSize) {
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return NextResponse.json({
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error: '文件大小超過 10MB 限制'
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}, { status: 400 })
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}
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// 創建上傳目錄
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const uploadDir = join(process.cwd(), 'public', 'uploads', 'documents')
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if (!existsSync(uploadDir)) {
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await mkdir(uploadDir, { recursive: true })
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}
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// 生成唯一文件名
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const timestamp = Date.now()
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const fileExtension = file.name.split('.').pop()
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const fileName = `${awardId}_${timestamp}.${fileExtension}`
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const filePath = join(uploadDir, fileName)
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// 保存文件
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const bytes = await file.arrayBuffer()
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const buffer = Buffer.from(bytes)
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await writeFile(filePath, buffer)
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// 返回文件信息
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const fileUrl = `/uploads/documents/${fileName}`
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return NextResponse.json({
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success: true,
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url: fileUrl,
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fileName: file.name,
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size: file.size,
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type: file.type
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})
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} catch (error) {
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console.error('文件上傳錯誤:', error)
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return NextResponse.json(
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{ error: '文件上傳失敗' },
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{ status: 500 }
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)
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}
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}
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