feat: 지붕재적합성 pdf 다운로드 중 다량데이터 요청 시 서버 shutdown 케이스 방어처리 추가

- Updated session data structure to include builderId in session state.
- Modified authentication and partner API routes to handle builderId.
- Adjusted default session and initial state to initialize builderId as null.

package-lock.json

@@ -22,6 +22,7 @@
         "mysql2": "^3.14.1",
         "next": "15.2.4",
         "nodemailer": "^7.0.3",
+        "pdf-lib": "^1.17.1",
         "react": "^19.0.0",
         "react-dom": "^19.0.0",
         "react-to-pdf": "^2.0.0",
@@ -1555,6 +1556,24 @@
         "node": ">=0.10"
       }
     },
+    "node_modules/@pdf-lib/standard-fonts": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/@pdf-lib/standard-fonts/-/standard-fonts-1.0.0.tgz",
+      "integrity": "sha512-hU30BK9IUN/su0Mn9VdlVKsWBS6GyhVfqjwl1FjZN4TxP6cCw0jP2w7V3Hf5uX7M0AZJ16vey9yE0ny7Sa59ZA==",
+      "license": "MIT",
+      "dependencies": {
+        "pako": "^1.0.6"
+      }
+    },
+    "node_modules/@pdf-lib/upng": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/@pdf-lib/upng/-/upng-1.0.1.tgz",
+      "integrity": "sha512-dQK2FUMQtowVP00mtIksrlZhdFXQZPC+taih1q4CvPZ5vqdxR/LKBaFg0oAfzd1GlHZXXSPdQfzQnt+ViGvEIQ==",
+      "license": "MIT",
+      "dependencies": {
+        "pako": "^1.0.10"
+      }
+    },
     "node_modules/@prisma/client": {
       "version": "6.7.0",
       "resolved": "https://registry.npmjs.org/@prisma/client/-/client-6.7.0.tgz",
@@ -2643,9 +2662,9 @@
       "license": "MIT"
     },
     "node_modules/debug": {
-      "version": "4.4.0",
+      "version": "4.4.1",
-      "resolved": "https://registry.npmjs.org/debug/-/debug-4.4.0.tgz",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-4.4.1.tgz",
-      "integrity": "sha512-6WTZ/IxCY/T6BALoZHaE4ctp9xm+Z5kY/pzYaCHRFeyVhojxlrm+46y68HA6hr0TcwEssoxNiDEUJQjfPZ/RYA==",
+      "integrity": "sha512-KcKCqiftBJcZr++7ykoDIEwSa3XWowTfNPo92BYxjXiyYEVrUQh2aLyhxBCwww+heortUFxEJYcRzosstTEBYQ==",
       "license": "MIT",
       "dependencies": {
         "ms": "^2.1.3"
@@ -4120,6 +4139,24 @@
         "node": ">=8"
       }
     },
+    "node_modules/pdf-lib": {
+      "version": "1.17.1",
+      "resolved": "https://registry.npmjs.org/pdf-lib/-/pdf-lib-1.17.1.tgz",
+      "integrity": "sha512-V/mpyJAoTsN4cnP31vc0wfNA1+p20evqqnap0KLoRUN0Yk/p3wN52DOEsL4oBFcLdb76hlpKPtzJIgo67j/XLw==",
+      "license": "MIT",
+      "dependencies": {
+        "@pdf-lib/standard-fonts": "^1.0.0",
+        "@pdf-lib/upng": "^1.0.1",
+        "pako": "^1.0.11",
+        "tslib": "^1.11.1"
+      }
+    },
+    "node_modules/pdf-lib/node_modules/tslib": {
+      "version": "1.14.1",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-1.14.1.tgz",
+      "integrity": "sha512-Xni35NKzjgMrwevysHTCArtLDpPvye8zV/0E4EyYn43P7/7qvQwPh9BGkHewbMulVntbigmcT7rdX3BNo9wRJg==",
+      "license": "0BSD"
+    },
     "node_modules/performance-now": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/performance-now/-/performance-now-2.1.0.tgz",
@@ -4413,9 +4450,9 @@
       "license": "MIT"
     },
     "node_modules/semver": {
-      "version": "7.7.1",
+      "version": "7.7.2",
-      "resolved": "https://registry.npmjs.org/semver/-/semver-7.7.1.tgz",
+      "resolved": "https://registry.npmjs.org/semver/-/semver-7.7.2.tgz",
-      "integrity": "sha512-hlq8tAfn0m/61p4BVRcPzIGr6LKiMwo4VM6dGi6pt4qcRkmNzTcWq6eCEjEh+qXjkMDvPlOFFSGwQjoEa6gyMA==",
+      "integrity": "sha512-RF0Fw+rO5AMf9MAyaRXI4AV0Ulj5lMHqVxxdSgiVbixSCXoEmmX/jk0CuJw4+3SqroYO9VoUh+HcuJivvtJemA==",
       "license": "ISC",
       "bin": {
         "semver": "bin/semver.js"

package.json

@@ -29,6 +29,7 @@
     "mysql2": "^3.14.1",
     "next": "15.2.4",
     "nodemailer": "^7.0.3",
+    "pdf-lib": "^1.17.1",
     "react": "^19.0.0",
     "react-dom": "^19.0.0",
     "react-to-pdf": "^2.0.0",

src/app/api/auth/route.ts

@@ -56,6 +56,7 @@ export async function POST(request: Request) {
     session.groupId = result.data.data.groupId
     session.storeLvl = result.data.data.storeLvl
     session.custCd = result.data.data.custCd
+    session.builderId = result.data.data.builderId
     session.builderNo = result.data.data.builderNo
     session.builderNm = result.data.data.builderNm
     session.isLoggedIn = true
@@ -104,6 +105,7 @@ export async function POST(request: Request) {
       GROUP_ID: result.data.data.groupId,
       STORE_LVL: result.data.data.storeLvl,
       CUST_CD: result.data.data.custCd,
+      BUILDER_ID: result.data.data.builderId,
       BUILDER_NO: result.data.data.builderNo,
       BUILDER_NM: result.data.data.builderNm,
       IS_LOGGED_IN: true,

src/app/api/partner/route.ts

@@ -84,6 +84,7 @@ export async function POST(request: Request) {
     session.groupId = null
     session.storeLvl = null
     session.custCd = null
+    session.builderId = data[0].user_seko_id
     session.builderNo = data[0].user_seko_id
     session.builderNm = data[0].supplier_name
     session.isLoggedIn = true
@@ -123,6 +124,7 @@ export async function POST(request: Request) {
     GROUP_ID: null,
     STORE_LVL: null,
     CUST_CD: null,
+    BUILDER_ID: data[0].user_seko_id,
     BUILDER_NO: data[0].user_seko_id,
     BUILDER_NM: data[0].supplier_name,
     IS_LOGGED_IN: true,

src/app/api/suitable/pdf/route.ts

@@ -1,6 +1,7 @@
 import React from 'react'
 import { NextRequest, NextResponse } from 'next/server'
 import { pdf, Document } from '@react-pdf/renderer'
+import { PDFDocument } from 'pdf-lib'
 import { prisma } from '@/libs/prisma'
 import { type Suitable } from '@/types/Suitable'
 import SuitablePdf from '@/components/pdf/SuitablePdf'
@@ -65,14 +66,32 @@ export async function POST(request: NextRequest) {
     // 데이터 조회
     const suitable: Suitable[] = await prisma.$queryRawUnsafe(query)
 
-    // pdf 생성
+    // pdf 생성 : mainId 100개씩 청크로 나누기
-    const content = React.createElement(Document, null, React.createElement(SuitablePdf, { data: suitable, fileTitle: fileTitle }))
+    const CHUNK_SIZE = 100
-    const pdfBlob = await pdf(content).toBlob()
+    const pdfBuffers: Uint8Array[] = []
+    for (let i = 0; i < suitable.length; i += CHUNK_SIZE) {
+      const chunk = suitable.slice(i, i + CHUNK_SIZE)
+      const content = React.createElement(
+        Document,
+        null,
+        React.createElement(SuitablePdf, {
+          data: chunk,
+          fileTitle: fileTitle,
+          firstPage: i === 0,
+        }),
+      )
+      const pdfBlob = await pdf(content).toBlob()
+      const arrayBuffer = await pdfBlob.arrayBuffer()
+      pdfBuffers.push(new Uint8Array(arrayBuffer))
+    }
+
+    // 모든 PDF 버퍼 병합
+    const mergedPdfBytes = await mergePdfBuffers(pdfBuffers)
 
     const fileName = `${fileTitle.replace(' ', '_')}.pdf`
     const encodedFileName = encodeURIComponent(fileName)
 
-    return new Response(pdfBlob, {
+    return new NextResponse(Buffer.from(mergedPdfBytes), {
       headers: {
         'Content-Type': 'application/pdf',
         'Content-Disposition': `attachment; filename="suitable.pdf"; filename*=UTF-8''${encodedFileName}`,
@@ -83,3 +102,16 @@ export async function POST(request: NextRequest) {
     return NextResponse.json({ error: '데이터 조회 중 오류가 발생했습니다' }, { status: 500 })
   }
 }
+
+async function mergePdfBuffers(buffers: Uint8Array[]) {
+  const mergedPdf = await PDFDocument.create()
+
+  for (const buf of buffers) {
+    const pdf = await PDFDocument.load(buf)
+    const copiedPages = await mergedPdf.copyPages(pdf, pdf.getPageIndices())
+    copiedPages.forEach((page) => mergedPdf.addPage(page))
+  }
+
+  const mergedPdfBytes = await mergedPdf.save()
+  return mergedPdfBytes
+}

src/components/pdf/SuitablePdf.tsx

@@ -63,35 +63,42 @@ const formatDateString = () => {
   return `${year}年${month}月${day}日 ${hours}:${minutes.toString().padStart(2, '0')}`
 }
 
-export default function SuitablePdf({ data, fileTitle }: { data: Suitable[]; fileTitle: string }) {
+export default function SuitablePdf({ data, fileTitle, firstPage }: { data: Suitable[]; fileTitle: string; firstPage: boolean }) {
   const createTime = formatDateString()
 
   return (
     <Page size="A4" orientation="landscape" style={styles.page}>
       {/* Intro Section */}
-      <View>
+      {firstPage && (
-        <Text style={[styles.text]}>ハンファジャパン株式会社</Text>
+        <View>
-        <Text style={[styles.text]}>{fileTitle}</Text>
+          <View>
-        <Text style={[styles.text]}>{createTime}</Text>
+            <Text style={styles.text}>ハンファジャパン株式会社</Text>
-      </View>
+            <Text style={styles.text}>{fileTitle}</Text>
-
+            <Text style={styles.text}>{createTime}</Text>
-      <View>
+          </View>
-        <Text style={[styles.text]}>本適合表は参考資料としてご使用下さい。</Text>
+          <View>
-        <Text style={[styles.text]}>屋根材製品の形状・仕様はメーカーより変更される場合が御座います。</Text>
+            <Text style={styles.text}>本適合表は参考資料としてご使用下さい。</Text>
-        <Text style={[styles.text]}>
+            <Text style={styles.text}>屋根材製品の形状・仕様はメーカーより変更される場合が御座います。</Text>
-          又、現場環境（働き、勾配、瓦桟木条件等）により本適合表と異なる適合結果となる場合が御座います。予めご了承下さい。
+            <Text style={styles.text}>
-        </Text>
+              又、現場環境（働き、勾配、瓦桟木条件等）により本適合表と異なる適合結果となる場合が御座います。予めご了承下さい。
-        <Text style={[styles.text]}>屋根材以外の設置条件（垂木、野地板等の設置基準）も必ずご確認下さい。</Text>
+            </Text>
-      </View>
+            <Text style={styles.text}>屋根材以外の設置条件（垂木、野地板等の設置基準）も必ずご確認下さい。</Text>
+          </View>
+        </View>
+      )}
 
       <View>
         {/* Cards Section */}
         {data?.map((item: Suitable) => (
           <View key={item.id}>
-            <Text style={styles.text}>{item.productName}</Text>
+            {/* Table Title */}
-            <Text style={styles.text}>{item.manuFtCd}</Text>
+            <View>
-            <Text style={styles.text}>{item.roofMtCd}</Text>
+              <Text style={styles.text}>{item.productName}</Text>
+              <Text style={styles.text}>{item.manuFtCd}</Text>
+              <Text style={styles.text}>{item.roofMtCd}</Text>
+            </View>
 
+            {/* Table */}
             <View style={styles.table}>
               {/* Table Header */}
               <View style={styles.tableRow}>
@@ -102,14 +109,16 @@ export default function SuitablePdf({ data, fileTitle }: { data: Suitable[]; fil
               </View>
 
               {/* Table Body */}
-              {JSON.parse(item.detail)?.map((subItem: SuitableDetail) => (
+              <View>
-                <View key={subItem.id} style={styles.tableRow}>
+                {JSON.parse(item.detail)?.map((subItem: SuitableDetail) => (
-                  <Text style={[styles.tableCol, styles.text]}>{item.roofShCd}</Text>
+                  <View key={subItem.id} style={styles.tableRow}>
-                  <Text style={[styles.tableCol, styles.text]}>{subItem.trestleMfpcCd}</Text>
+                    <Text style={[styles.tableCol, styles.text]}>{item.roofShCd}</Text>
-                  <Text style={[styles.tableCol, styles.text]}>{subItem.trestleManufacturerProductName}</Text>
+                    <Text style={[styles.tableCol, styles.text]}>{subItem.trestleMfpcCd}</Text>
-                  <Text style={[styles.tableCol, styles.text]}>{subItem.memo}</Text>
+                    <Text style={[styles.tableCol, styles.text]}>{subItem.trestleManufacturerProductName}</Text>
-                </View>
+                    <Text style={[styles.tableCol, styles.text]}>{subItem.memo}</Text>
-              ))}
+                  </View>
+                ))}
+              </View>
             </View>
           </View>
         ))}

src/libs/session.ts

@@ -44,6 +44,7 @@ export const defaultSession: SessionData = {
   groupId: null,
   storeLvl: null,
   custCd: null,
+  builderId: null,
   builderNo: null,
   builderNm: null,
   isLoggedIn: false,

src/store/session.ts

@@ -40,6 +40,7 @@ const initialState: InitialState = {
     groupId: null,
     storeLvl: null,
     custCd: null,
+    builderId: null,
     builderNo: null,
     builderNm: null,
     isLoggedIn: false,

src/types/Auth.ts

@@ -26,6 +26,7 @@ export interface SessionData {
   groupId: null
   storeLvl: null
   custCd: null
+  builderId: null
   builderNo: null
   builderNm: null | string
   isLoggedIn: boolean