ERP-node/backend-node/src/services/flowExecutionService.ts

388 lines
12 KiB
TypeScript

// @ts-nocheck
/**
* 플로우 실행 서비스
* 단계별 데이터 카운트 및 리스트 조회
*/
import db from "../database/db";
import { FlowStepDataCount, FlowStepDataList } from "../types/flow";
import { FlowDefinitionService } from "./flowDefinitionService";
import { FlowStepService } from "./flowStepService";
import { FlowConditionParser } from "./flowConditionParser";
import { executeExternalQuery } from "./externalDbHelper";
import { getPlaceholder, buildPaginationClause } from "./dbQueryBuilder";
export class FlowExecutionService {
private flowDefinitionService: FlowDefinitionService;
private flowStepService: FlowStepService;
constructor() {
this.flowDefinitionService = new FlowDefinitionService();
this.flowStepService = new FlowStepService();
}
/**
* 특정 플로우 단계에 해당하는 데이터 카운트
*/
async getStepDataCount(flowId: number, stepId: number): Promise<number> {
// 1. 플로우 정의 조회
const flowDef = await this.flowDefinitionService.findById(flowId);
if (!flowDef) {
throw new Error(`Flow definition not found: ${flowId}`);
}
console.log("🔍 [getStepDataCount] Flow Definition:", {
flowId,
dbSourceType: flowDef.dbSourceType,
dbConnectionId: flowDef.dbConnectionId,
tableName: flowDef.tableName,
});
// 2. 플로우 단계 조회
const step = await this.flowStepService.findById(stepId);
if (!step) {
throw new Error(`Flow step not found: ${stepId}`);
}
if (step.flowDefinitionId !== flowId) {
throw new Error(`Step ${stepId} does not belong to flow ${flowId}`);
}
// 3. 테이블명 결정: 단계에 지정된 테이블이 있으면 사용, 없으면 플로우의 기본 테이블 사용
const tableName = step.tableName || flowDef.tableName;
// 4. 조건 JSON을 SQL WHERE절로 변환
const { where, params } = FlowConditionParser.toSqlWhere(
step.conditionJson
);
// 5. 카운트 쿼리 실행 (내부 또는 외부 DB)
const query = `SELECT COUNT(*) as count FROM ${tableName} WHERE ${where}`;
console.log("🔍 [getStepDataCount] Query Info:", {
tableName,
query,
params,
isExternal: flowDef.dbSourceType === "external",
connectionId: flowDef.dbConnectionId,
});
let result: any;
if (flowDef.dbSourceType === "external" && flowDef.dbConnectionId) {
// 외부 DB 조회
console.log(
"✅ [getStepDataCount] Using EXTERNAL DB:",
flowDef.dbConnectionId
);
const externalResult = await executeExternalQuery(
flowDef.dbConnectionId,
query,
params
);
console.log("📦 [getStepDataCount] External result:", externalResult);
result = externalResult.rows;
} else {
// 내부 DB 조회
console.log("✅ [getStepDataCount] Using INTERNAL DB");
result = await db.query(query, params);
}
const count = parseInt(result[0].count || result[0].COUNT);
console.log("✅ [getStepDataCount] Final count:", count);
return count;
}
/**
* 특정 플로우 단계에 해당하는 데이터 리스트
*/
async getStepDataList(
flowId: number,
stepId: number,
page: number = 1,
pageSize: number = 20
): Promise<FlowStepDataList> {
// 1. 플로우 정의 조회
const flowDef = await this.flowDefinitionService.findById(flowId);
if (!flowDef) {
throw new Error(`Flow definition not found: ${flowId}`);
}
// 2. 플로우 단계 조회
const step = await this.flowStepService.findById(stepId);
if (!step) {
throw new Error(`Flow step not found: ${stepId}`);
}
if (step.flowDefinitionId !== flowId) {
throw new Error(`Step ${stepId} does not belong to flow ${flowId}`);
}
// 3. 테이블명 결정: 단계에 지정된 테이블이 있으면 사용, 없으면 플로우의 기본 테이블 사용
const tableName = step.tableName || flowDef.tableName;
// 4. 조건 JSON을 SQL WHERE절로 변환
const { where, params } = FlowConditionParser.toSqlWhere(
step.conditionJson
);
const offset = (page - 1) * pageSize;
const isExternalDb =
flowDef.dbSourceType === "external" && flowDef.dbConnectionId;
// 5. 전체 카운트
const countQuery = `SELECT COUNT(*) as count FROM ${tableName} WHERE ${where}`;
let countResult: any;
let total: number;
if (isExternalDb) {
const externalCountResult = await executeExternalQuery(
flowDef.dbConnectionId!,
countQuery,
params
);
countResult = externalCountResult.rows;
total = parseInt(countResult[0].count || countResult[0].COUNT);
} else {
countResult = await db.query(countQuery, params);
total = parseInt(countResult[0].count);
}
// 6. 데이터 조회 (DB 타입별 페이징 처리)
let dataQuery: string;
let dataParams: any[];
if (isExternalDb) {
// 외부 DB는 id 컬럼으로 정렬 (가정)
// DB 타입에 따른 페이징 절은 빌더에서 처리하지 않고 직접 작성
// PostgreSQL, MySQL, MSSQL, Oracle 모두 지원하도록 단순화
dataQuery = `
SELECT * FROM ${tableName}
WHERE ${where}
ORDER BY id DESC
LIMIT ${pageSize} OFFSET ${offset}
`;
dataParams = params;
const externalDataResult = await executeExternalQuery(
flowDef.dbConnectionId!,
dataQuery,
dataParams
);
return {
records: externalDataResult.rows,
total,
page,
pageSize,
};
} else {
// 내부 DB (PostgreSQL)
// Primary Key 컬럼 찾기
let orderByColumn = "";
try {
const pkQuery = `
SELECT a.attname
FROM pg_index i
JOIN pg_attribute a ON a.attrelid = i.indrelid AND a.attnum = ANY(i.indkey)
WHERE i.indrelid = $1::regclass
AND i.indisprimary
LIMIT 1
`;
const pkResult = await db.query(pkQuery, [tableName]);
if (pkResult.length > 0) {
orderByColumn = pkResult[0].attname;
}
} catch (err) {
console.warn(`Could not find primary key for table ${tableName}:`, err);
}
const orderByClause = orderByColumn
? `ORDER BY ${orderByColumn} DESC`
: "";
dataQuery = `
SELECT * FROM ${tableName}
WHERE ${where}
${orderByClause}
LIMIT $${params.length + 1} OFFSET $${params.length + 2}
`;
const dataResult = await db.query(dataQuery, [
...params,
pageSize,
offset,
]);
return {
records: dataResult,
total,
page,
pageSize,
};
}
}
/**
* 플로우의 모든 단계별 데이터 카운트
*/
async getAllStepCounts(flowId: number): Promise<FlowStepDataCount[]> {
const steps = await this.flowStepService.findByFlowId(flowId);
const counts: FlowStepDataCount[] = [];
for (const step of steps) {
const count = await this.getStepDataCount(flowId, step.id);
counts.push({
stepId: step.id,
count,
});
}
return counts;
}
/**
* 특정 레코드의 현재 플로우 상태 조회
*/
async getCurrentStatus(
flowId: number,
recordId: string
): Promise<{ currentStepId: number | null; tableName: string } | null> {
const query = `
SELECT current_step_id, table_name
FROM flow_data_status
WHERE flow_definition_id = $1 AND record_id = $2
`;
const result = await db.query(query, [flowId, recordId]);
if (result.length === 0) {
return null;
}
return {
currentStepId: result[0].current_step_id,
tableName: result[0].table_name,
};
}
/**
* 스텝 데이터 업데이트 (인라인 편집)
* 원본 테이블의 데이터를 직접 업데이트합니다.
*/
async updateStepData(
flowId: number,
stepId: number,
recordId: string,
updateData: Record<string, any>,
userId: string,
companyCode?: string
): Promise<{ success: boolean }> {
try {
// 1. 플로우 정의 조회
const flowDef = await this.flowDefinitionService.findById(flowId);
if (!flowDef) {
throw new Error(`Flow definition not found: ${flowId}`);
}
// 2. 스텝 조회
const step = await this.flowStepService.findById(stepId);
if (!step) {
throw new Error(`Flow step not found: ${stepId}`);
}
// 3. 테이블명 결정
const tableName = step.tableName || flowDef.tableName;
if (!tableName) {
throw new Error("Table name not found");
}
// 4. Primary Key 컬럼 결정 (기본값: id)
const primaryKeyColumn = flowDef.primaryKey || "id";
console.log(`🔍 [updateStepData] Updating table: ${tableName}, PK: ${primaryKeyColumn}=${recordId}`);
// 5. SET 절 생성
const updateColumns = Object.keys(updateData);
if (updateColumns.length === 0) {
throw new Error("No columns to update");
}
// 6. 외부 DB vs 내부 DB 구분
if (flowDef.dbSourceType === "external" && flowDef.dbConnectionId) {
// 외부 DB 업데이트
console.log("✅ [updateStepData] Using EXTERNAL DB:", flowDef.dbConnectionId);
// 외부 DB 연결 정보 조회
const connectionResult = await db.query(
"SELECT * FROM external_db_connection WHERE id = $1",
[flowDef.dbConnectionId]
);
if (connectionResult.length === 0) {
throw new Error(`External DB connection not found: ${flowDef.dbConnectionId}`);
}
const connection = connectionResult[0];
const dbType = connection.db_type?.toLowerCase();
// DB 타입에 따른 placeholder 및 쿼리 생성
let setClause: string;
let params: any[];
if (dbType === "mysql" || dbType === "mariadb") {
// MySQL/MariaDB: ? placeholder
setClause = updateColumns.map((col) => `\`${col}\` = ?`).join(", ");
params = [...Object.values(updateData), recordId];
} else if (dbType === "mssql") {
// MSSQL: @p1, @p2 placeholder
setClause = updateColumns.map((col, idx) => `[${col}] = @p${idx + 1}`).join(", ");
params = [...Object.values(updateData), recordId];
} else {
// PostgreSQL: $1, $2 placeholder
setClause = updateColumns.map((col, idx) => `"${col}" = $${idx + 1}`).join(", ");
params = [...Object.values(updateData), recordId];
}
const updateQuery = `UPDATE ${tableName} SET ${setClause} WHERE ${primaryKeyColumn} = ${dbType === "mysql" || dbType === "mariadb" ? "?" : dbType === "mssql" ? `@p${params.length}` : `$${params.length}`}`;
console.log(`📝 [updateStepData] Query: ${updateQuery}`);
console.log(`📝 [updateStepData] Params:`, params);
await executeExternalQuery(flowDef.dbConnectionId, updateQuery, params);
} else {
// 내부 DB 업데이트
console.log("✅ [updateStepData] Using INTERNAL DB");
const setClause = updateColumns.map((col, idx) => `"${col}" = $${idx + 1}`).join(", ");
const params = [...Object.values(updateData), recordId];
const updateQuery = `UPDATE "${tableName}" SET ${setClause} WHERE "${primaryKeyColumn}" = $${params.length}`;
console.log(`📝 [updateStepData] Query: ${updateQuery}`);
console.log(`📝 [updateStepData] Params:`, params);
// 트랜잭션으로 감싸서 사용자 ID 세션 변수 설정 후 업데이트 실행
// (트리거에서 changed_by를 기록하기 위함)
await db.query("BEGIN");
try {
await db.query(`SET LOCAL app.user_id = '${userId}'`);
await db.query(updateQuery, params);
await db.query("COMMIT");
} catch (txError) {
await db.query("ROLLBACK");
throw txError;
}
}
console.log(`✅ [updateStepData] Data updated successfully: ${tableName}.${primaryKeyColumn}=${recordId}`, {
updatedFields: updateColumns,
userId,
});
return { success: true };
} catch (error: any) {
console.error("❌ [updateStepData] Error:", error);
throw error;
}
}
}