1 files changed, 71 insertions, 0 deletions
diff --git a/app/api/upload/basicContract/chunk/route.ts b/app/api/upload/basicContract/chunk/route.ts
new file mode 100644
index 00000000..7100988b
--- /dev/null
+++ b/app/api/upload/basicContract/chunk/route.ts
@@ -0,0 +1,71 @@
+import { NextRequest, NextResponse } from 'next/server';
+import { mkdir, writeFile, appendFile } from 'fs/promises';
+import path from 'path';
+import crypto from 'crypto';
+
+export async function POST(request: NextRequest) {
+  try {
+    const formData = await request.formData();
+    
+    const chunk = formData.get('chunk') as File;
+    const filename = formData.get('filename') as string;
+    const chunkIndex = parseInt(formData.get('chunkIndex') as string);
+    const totalChunks = parseInt(formData.get('totalChunks') as string);
+    const fileId = formData.get('fileId') as string;
+    
+    if (!chunk || !filename || isNaN(chunkIndex) || isNaN(totalChunks) || !fileId) {
+      return NextResponse.json({ success: false, error: '필수 매개변수가 누락되었습니다' }, { status: 400 });
+    }
+    
+    // 임시 디렉토리 생성
+    const tempDir = path.join(process.cwd(), 'temp', fileId);
+    await mkdir(tempDir, { recursive: true });
+    
+    // 청크 파일 저장
+    const chunkPath = path.join(tempDir, `chunk-${chunkIndex}`);
+    const buffer = Buffer.from(await chunk.arrayBuffer());
+    await writeFile(chunkPath, buffer);
+    
+    // 마지막 청크인 경우 모든 청크를 합쳐 최종 파일 생성
+    if (chunkIndex === totalChunks - 1) {
+      const uploadDir = path.join(process.cwd(), "public", "basicContract", "template");
+      await mkdir(uploadDir, { recursive: true });
+      
+      // 파일명 생성
+      const timestamp = Date.now();
+      const randomHash = crypto.createHash('md5')
+        .update(`${filename}-${timestamp}`)
+        .digest('hex')
+        .substring(0, 8);
+      const hashedFileName = `${timestamp}-${randomHash}${path.extname(filename)}`;
+      const finalPath = path.join(uploadDir, hashedFileName);
+      
+      // 모든 청크 병합
+      await writeFile(finalPath, Buffer.alloc(0)); // 빈 파일 생성
+      for (let i = 0; i < totalChunks; i++) {
+        const chunkData = await require('fs/promises').readFile(path.join(tempDir, `chunk-${i}`));
+        await appendFile(finalPath, chunkData);
+      }
+      
+      // 임시 파일 정리 (비동기로 처리)
+      require('fs/promises').rm(tempDir, { recursive: true, force: true })
+      .catch((e: unknown) => console.error('청크 정리 오류:', e));
+      
+      return NextResponse.json({ 
+        success: true, 
+        fileName: filename,
+        filePath: `/basicContract/template/${hashedFileName}` 
+      });
+    }
+    
+    return NextResponse.json({ 
+      success: true, 
+      chunkIndex, 
+      message: `청크 ${chunkIndex + 1}/${totalChunks} 업로드 완료` 
+    });
+    
+  } catch (error) {
+    console.error('청크 업로드 오류:', error);
+    return NextResponse.json({ success: false, error: '서버 오류' }, { status: 500 });
+  }
+}
+\ No newline at end of file