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import { NextRequest, NextResponse } from "next/server"
import { writeFile } from "fs/promises"
import { join } from "path"
import { v4 as uuidv4 } from "uuid"
import path from "path"
import { revalidateTag } from "next/cache" // ✅ 추가
import db from "@/db/db"
import {
documents,
issueStages,
revisions,
documentAttachments,
} from "@/db/schema/vendorDocu"
import { and, eq } from "drizzle-orm"
/* ① change log 유틸 */
import {
logRevisionChange,
logAttachmentChange,
} from "@/lib/vendor-document-list/sync-service"
export async function POST(request: NextRequest) {
try {
const formData = await request.formData()
/* ------- 파라미터 파싱 ------- */
const stage = formData.get("stage") as string | null
const revision = formData.get("revision") as string | null
const docId = Number(formData.get("documentId"))
const uploaderName = formData.get("uploaderName") as string | null
const comment = formData.get("comment") as string | null
const mode = (formData.get("mode") || "new") as string // 'new'|'append'
const targetSystem = (formData.get("targetSystem") as string | null) ?? "DOLCE"
const attachmentFiles = formData.getAll("attachments") as File[]
/* ------- 검증 ------- */
if (!docId || Number.isNaN(docId))
return NextResponse.json({ error: "Invalid documentId" }, { status: 400 })
if (!stage || !revision)
return NextResponse.json({ error: "Missing stage or revision" }, { status: 400 })
if (!attachmentFiles.length)
return NextResponse.json({ error: "No files provided" }, { status: 400 })
const MAX = 3 * 1024 * 1024 * 1024 // 3 GB
for (const f of attachmentFiles)
if (f.size > MAX)
return NextResponse.json(
{ error: `${f.name} > 3 GB` },
{ status: 400 }
)
/* ------- 계약 ID 확보 ------- */
const [{ contractId }] = await db
.select({ contractId: documents.contractId })
.from(documents)
.where(eq(documents.id, docId))
.limit(1)
/* ------- 트랜잭션 ------- */
const result = await db.transaction(async (tx) => {
/* 1) Stage */
let issueStageId: number
const [stageRow] = await tx
.select({ id: issueStages.id })
.from(issueStages)
.where(and(
eq(issueStages.stageName, stage),
eq(issueStages.documentId, docId)
))
.limit(1)
if (!stageRow) {
const [s] = await tx.insert(issueStages)
.values({ documentId: docId, stageName: stage, updatedAt: new Date() })
.returning({ id: issueStages.id })
issueStageId = s.id
} else issueStageId = stageRow.id
/* 2) Revision */
const today = new Date().toISOString().slice(0, 10)
let revisionId: number
const [revRow] = await tx
.select()
.from(revisions)
.where(and(
eq(revisions.issueStageId, issueStageId),
eq(revisions.revision, revision)
))
.limit(1)
if (!revRow || mode === "new") {
/* --- CREATE --- */
const [newRev] = await tx.insert(revisions)
.values({
issueStageId,
revision,
uploaderType: "vendor",
uploaderName: uploaderName ?? undefined,
revisionStatus: "UPLOADED",
uploadedAt: today,
comment: comment ?? undefined,
updatedAt: new Date(),
})
.returning()
revisionId = newRev.id
// change_logs: CREATE
await logRevisionChange(
contractId,
revisionId,
"CREATE",
newRev,
undefined,
undefined,
uploaderName ?? undefined,
[targetSystem]
)
} else {
/* --- UPDATE --- */
await tx.update(revisions)
.set({
uploaderName: uploaderName ?? revRow.uploaderName,
comment: comment ?? revRow.comment,
updatedAt: new Date(),
})
.where(eq(revisions.id, revRow.id))
const [updated] = await tx
.select()
.from(revisions)
.where(eq(revisions.id, revRow.id))
revisionId = revRow.id
await logRevisionChange(
contractId,
revisionId,
"UPDATE",
updated,
revRow,
undefined,
uploaderName ?? undefined,
[targetSystem]
)
}
/* 3) Attachments */
const uploadedFiles: any[] = []
const baseDir = join(process.cwd(), "public", "documents")
for (const file of attachmentFiles) {
const ext = path.extname(file.name)
const fname = uuidv4() + ext
const dest = join(baseDir, fname)
await writeFile(dest, Buffer.from(await file.arrayBuffer()))
const [att] = await tx.insert(documentAttachments)
.values({
revisionId,
fileName: file.name,
filePath: "/documents/" + fname,
fileSize: file.size,
fileType: ext.slice(1).toLowerCase() || undefined,
updatedAt: new Date(),
})
.returning()
uploadedFiles.push({
id: att.id,
fileName: file.name,
fileSize: file.size,
filePath: att.filePath,
})
// change_logs: attachment CREATE
await logAttachmentChange(
contractId,
att.id,
"CREATE",
att,
undefined,
undefined,
uploaderName ?? undefined,
[targetSystem]
)
}
/* 4) documents.updatedAt */
await tx.update(documents)
.set({ updatedAt: new Date() })
.where(eq(documents.id, docId))
return { revisionId, stage, revision, uploadedFiles, mode, contractId }
})
// ✅ 캐시 무효화 - 트랜잭션 완료 후에 실행
try {
// enhanced documents 캐시 무효화
revalidateTag(`enhanced-documents-${result.contractId}`)
// sync status 관련 캐시도 무효화 (필요시)
revalidateTag(`sync-status-${result.contractId}`)
console.log(`✅ Cache invalidated for contract ${result.contractId}`)
} catch (cacheError) {
console.warn('⚠️ Cache invalidation failed:', cacheError)
// 캐시 무효화 실패해도 업로드는 성공으로 처리
}
return NextResponse.json({
success: true,
message: `${result.uploadedFiles.length}개 파일 업로드 완료`,
data: result,
})
} catch (e) {
console.error("revision-upload error:", e)
return NextResponse.json(
{ error: "Failed to upload revision", details: String(e) },
{ status: 500 },
)
}
}
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