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외부 DB 연결 끊김 오류 해결

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This commit is contained in:
dohyeons
2025-12-11 15:25:48 +09:00
parent b03132595c
commit ab9ddaa190
2 changed files with 159 additions and 63 deletions
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140
backend-node/src/controllers/digitalTwinDataController.ts
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@@ -1,43 +1,25 @@
import { Request, Response } from "express";
import { pool, queryOne } from "../database/db";
import logger from "../utils/logger";
import { PasswordEncryption } from "../utils/passwordEncryption";
import { DatabaseConnectorFactory } from "../database/DatabaseConnectorFactory";
import { ExternalDbConnectionPoolService } from "../services/externalDbConnectionPoolService";
// 외부 DB 커넥터를 가져오는 헬퍼 함수
// 외부 DB 커넥터를 가져오는 헬퍼 함수 (연결 풀 사용)
export async function getExternalDbConnector(connectionId: number) {
// 외부 DB 연결 정보 조회
const connection = await queryOne<any>(
`SELECT * FROM external_db_connections WHERE id = $1`,
[connectionId]
);
const poolService = ExternalDbConnectionPoolService.getInstance();
if (!connection) {
throw new Error(`외부 DB 연결 정보를 찾을 수 없습니다. ID: ${connectionId}`);
}
// 패스워드 복호화
const decryptedPassword = PasswordEncryption.decrypt(connection.password);
// DB 연결 설정
const config = {
host: connection.host,
port: connection.port,
user: connection.username,
password: decryptedPassword,
database: connection.database_name,
// 연결 풀 래퍼를 반환 (executeQuery 메서드를 가진 객체)
return {
executeQuery: async (sql: string, params?: any[]) => {
const result = await poolService.executeQuery(connectionId, sql, params);
return { rows: result };
},
};
// DB 커넥터 생성
return await DatabaseConnectorFactory.createConnector(
connection.db_type || "mariadb",
config,
connectionId
);
}
// 동적 계층 구조 데이터 조회 (범용)
export const getHierarchyData = async (req: Request, res: Response): Promise<Response> => {
export const getHierarchyData = async (
req: Request,
res: Response
): Promise<Response> => {
try {
const { externalDbConnectionId, hierarchyConfig } = req.body;
@@ -48,7 +30,9 @@ export const getHierarchyData = async (req: Request, res: Response): Promise<Res
});
}
const connector = await getExternalDbConnector(Number(externalDbConnectionId));
const connector = await getExternalDbConnector(
Number(externalDbConnectionId)
);
const config = JSON.parse(hierarchyConfig);
const result: any = {
@@ -69,7 +53,7 @@ export const getHierarchyData = async (req: Request, res: Response): Promise<Res
for (const level of config.levels) {
const levelQuery = `SELECT * FROM ${level.tableName} LIMIT 1000`;
const levelResult = await connector.executeQuery(levelQuery);
result.levels.push({
level: level.level,
name: level.name,
@@ -94,7 +78,10 @@ export const getHierarchyData = async (req: Request, res: Response): Promise<Res
logger.info("동적 계층 구조 데이터 조회", {
externalDbConnectionId,
warehouseCount: result.warehouse?.length || 0,
levelCounts: result.levels.map((l: any) => ({ level: l.level, count: l.data.length })),
levelCounts: result.levels.map((l: any) => ({
level: l.level,
count: l.data.length,
})),
});
return res.json({
@@ -112,22 +99,35 @@ export const getHierarchyData = async (req: Request, res: Response): Promise<Res
};
// 특정 레벨의 하위 데이터 조회
export const getChildrenData = async (req: Request, res: Response): Promise<Response> => {
export const getChildrenData = async (
req: Request,
res: Response
): Promise<Response> => {
try {
const { externalDbConnectionId, hierarchyConfig, parentLevel, parentKey } = req.body;
const { externalDbConnectionId, hierarchyConfig, parentLevel, parentKey } =
req.body;
if (!externalDbConnectionId || !hierarchyConfig || !parentLevel || !parentKey) {
if (
!externalDbConnectionId ||
!hierarchyConfig ||
!parentLevel ||
!parentKey
) {
return res.status(400).json({
success: false,
message: "필수 파라미터가 누락되었습니다.",
});
}
const connector = await getExternalDbConnector(Number(externalDbConnectionId));
const connector = await getExternalDbConnector(
Number(externalDbConnectionId)
);
const config = JSON.parse(hierarchyConfig);
// 다음 레벨 찾기
const nextLevel = config.levels?.find((l: any) => l.level === parentLevel + 1);
const nextLevel = config.levels?.find(
(l: any) => l.level === parentLevel + 1
);
if (!nextLevel) {
return res.json({
@@ -168,7 +168,10 @@ export const getChildrenData = async (req: Request, res: Response): Promise<Resp
};
// 창고 목록 조회 (사용자 지정 테이블) - 레거시, 호환성 유지
export const getWarehouses = async (req: Request, res: Response): Promise<Response> => {
export const getWarehouses = async (
req: Request,
res: Response
): Promise<Response> => {
try {
const { externalDbConnectionId, tableName } = req.query;
@@ -186,7 +189,9 @@ export const getWarehouses = async (req: Request, res: Response): Promise<Respon
});
}
const connector = await getExternalDbConnector(Number(externalDbConnectionId));
const connector = await getExternalDbConnector(
Number(externalDbConnectionId)
);
// 테이블명을 사용하여 모든 컬럼 조회
const query = `SELECT * FROM ${tableName} LIMIT 100`;
@@ -215,7 +220,10 @@ export const getWarehouses = async (req: Request, res: Response): Promise<Respon
};
// 구역 목록 조회 (사용자 지정 테이블) - 레거시, 호환성 유지
export const getAreas = async (req: Request, res: Response): Promise<Response> => {
export const getAreas = async (
req: Request,
res: Response
): Promise<Response> => {
try {
const { externalDbConnectionId, warehouseKey, tableName } = req.query;
@@ -226,7 +234,9 @@ export const getAreas = async (req: Request, res: Response): Promise<Response> =
});
}
const connector = await getExternalDbConnector(Number(externalDbConnectionId));
const connector = await getExternalDbConnector(
Number(externalDbConnectionId)
);
const query = `
SELECT * FROM ${tableName}
@@ -258,7 +268,10 @@ export const getAreas = async (req: Request, res: Response): Promise<Response> =
};
// 위치 목록 조회 (사용자 지정 테이블) - 레거시, 호환성 유지
export const getLocations = async (req: Request, res: Response): Promise<Response> => {
export const getLocations = async (
req: Request,
res: Response
): Promise<Response> => {
try {
const { externalDbConnectionId, areaKey, tableName } = req.query;
@@ -269,7 +282,9 @@ export const getLocations = async (req: Request, res: Response): Promise<Respons
});
}
const connector = await getExternalDbConnector(Number(externalDbConnectionId));
const connector = await getExternalDbConnector(
Number(externalDbConnectionId)
);
const query = `
SELECT * FROM ${tableName}
@@ -301,28 +316,38 @@ export const getLocations = async (req: Request, res: Response): Promise<Respons
};
// 자재 목록 조회 (동적 컬럼 매핑 지원)
export const getMaterials = async (req: Request, res: Response): Promise<Response> => {
export const getMaterials = async (
req: Request,
res: Response
): Promise<Response> => {
try {
const {
externalDbConnectionId,
locaKey,
const {
externalDbConnectionId,
locaKey,
tableName,
keyColumn,
locationKeyColumn,
layerColumn
layerColumn,
} = req.query;
if (!externalDbConnectionId || !locaKey || !tableName || !locationKeyColumn) {
if (
!externalDbConnectionId ||
!locaKey ||
!tableName ||
!locationKeyColumn
) {
return res.status(400).json({
success: false,
message: "필수 파라미터가 누락되었습니다.",
});
}
const connector = await getExternalDbConnector(Number(externalDbConnectionId));
const connector = await getExternalDbConnector(
Number(externalDbConnectionId)
);
// 동적 쿼리 생성
const orderByClause = layerColumn ? `ORDER BY ${layerColumn}` : '';
const orderByClause = layerColumn ? `ORDER BY ${layerColumn}` : "";
const query = `
SELECT * FROM ${tableName}
WHERE ${locationKeyColumn} = '${locaKey}'
@@ -356,7 +381,10 @@ export const getMaterials = async (req: Request, res: Response): Promise<Respons
};
// 자재 개수 조회 (여러 Location 일괄) - 레거시, 호환성 유지
export const getMaterialCounts = async (req: Request, res: Response): Promise<Response> => {
export const getMaterialCounts = async (
req: Request,
res: Response
): Promise<Response> => {
try {
const { externalDbConnectionId, locationKeys, tableName } = req.body;
@@ -367,7 +395,9 @@ export const getMaterialCounts = async (req: Request, res: Response): Promise<Re
});
}
const connector = await getExternalDbConnector(Number(externalDbConnectionId));
const connector = await getExternalDbConnector(
Number(externalDbConnectionId)
);
const keysString = locationKeys.map((key: string) => `'${key}'`).join(",");