forked from 77media/video-flow
128 lines
3.1 KiB
TypeScript
128 lines
3.1 KiB
TypeScript
/**
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* Video-Flow 导出视频下载API
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* 文件路径: video-flow/app/api/export/download/[exportId]/route.ts
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* 作者: 资深全栈开发工程师
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* 创建时间: 2025-01-08
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*/
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import { NextRequest, NextResponse } from "next/server";
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import { tmpdir } from "os";
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import { join } from "path";
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import { promises as fs } from "fs";
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export async function GET(
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request: NextRequest,
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{ params }: { params: { exportId: string } }
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) {
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try {
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const { exportId } = params;
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if (!exportId) {
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return NextResponse.json(
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{ error: "导出ID不能为空" },
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{ status: 400 }
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);
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}
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console.log('📥 Video-Flow 导出视频下载请求:', exportId);
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// 构建文件路径
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const workDir = join(tmpdir(), `video-flow-ai-export-${exportId}`);
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const filePath = join(workDir, 'output.mp4');
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// 检查文件是否存在
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try {
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await fs.access(filePath);
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} catch (error) {
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console.error('❌ 导出文件不存在:', filePath);
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return NextResponse.json(
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{ error: "导出文件不存在或已过期" },
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{ status: 404 }
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);
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}
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// 读取文件
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const fileBuffer = await fs.readFile(filePath);
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const stats = await fs.stat(filePath);
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console.log('✅ Video-Flow 导出视频下载成功:', {
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exportId,
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fileSize: stats.size,
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filePath
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});
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// 返回文件流
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return new NextResponse(fileBuffer, {
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headers: {
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'Content-Type': 'video/mp4',
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'Content-Length': stats.size.toString(),
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'Content-Disposition': `attachment; filename="video-flow-ai-edited-${exportId}.mp4"`,
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'Cache-Control': 'public, max-age=3600', // 缓存1小时
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},
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});
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} catch (error) {
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console.error('❌ Video-Flow 导出视频下载失败:', error);
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return NextResponse.json(
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{
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error: "下载失败",
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message: error instanceof Error ? error.message : "未知错误"
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},
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{ status: 500 }
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);
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}
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}
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/**
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* 清理过期的导出文件
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* 可以通过定时任务调用此函数
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*/
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export async function DELETE(
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request: NextRequest,
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{ params }: { params: { exportId: string } }
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) {
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try {
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const { exportId } = params;
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if (!exportId) {
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return NextResponse.json(
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{ error: "导出ID不能为空" },
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{ status: 400 }
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);
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}
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const workDir = join(tmpdir(), `video-flow-ai-export-${exportId}`);
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try {
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await fs.rm(workDir, { recursive: true, force: true });
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console.log('🗑️ 清理导出文件成功:', workDir);
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return NextResponse.json({
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success: true,
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message: "导出文件清理成功"
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});
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} catch (error) {
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console.warn('⚠️ 清理导出文件失败:', error);
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return NextResponse.json({
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success: false,
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message: "文件不存在或已被清理"
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});
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}
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} catch (error) {
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console.error('❌ 清理导出文件失败:', error);
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return NextResponse.json(
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{
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error: "清理失败",
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message: error instanceof Error ? error.message : "未知错误"
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},
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{ status: 500 }
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);
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}
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}
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