DDD1542
248 lines
11 KiB
Java
248 lines
11 KiB
Java
package com.erp.service;
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import com.erp.common.BaseService;
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import lombok.RequiredArgsConstructor;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.jdbc.core.JdbcTemplate;
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import org.springframework.stereotype.Service;
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import org.springframework.transaction.annotation.Transactional;
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import java.util.*;
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import java.util.stream.Collectors;
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@Service
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@RequiredArgsConstructor
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@Slf4j
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public class CodeMergeService extends BaseService {
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private final JdbcTemplate jdbcTemplate;
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private static final String NS = "codeMerge.";
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// ── Tables With Column ────────────────────────────────────────────────────
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/**
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* GET /tables-with-column/:columnName
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* 해당 컬럼과 company_code 컬럼을 함께 가진 public 테이블 목록 반환
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*/
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public Map<String, Object> getTablesWithColumn(String columnName) {
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Map<String, Object> params = new HashMap<>();
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params.put("column_name", columnName);
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List<Map<String, Object>> rows = sqlSession.selectList(NS + "getTablesWithColumn", params);
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List<String> tables = rows.stream()
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.map(r -> {
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Object val = r.get("table_name");
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return val != null ? val.toString() : null;
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})
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.filter(Objects::nonNull)
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.collect(Collectors.toList());
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Map<String, Object> result = new LinkedHashMap<>();
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result.put("column_name", columnName);
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result.put("tables", tables);
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result.put("count", tables.size());
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return result;
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}
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// ── Preview (column-based) ────────────────────────────────────────────────
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/**
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* POST /preview
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* columnName + oldValue 기준으로 영향받을 테이블/행 수 미리보기 (DB 변경 없음)
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*/
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public Map<String, Object> previewCodeMerge(Map<String, Object> body) {
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String columnName = str(body.get("column_name"));
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String oldValue = str(body.get("old_value"));
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String companyCode = str(body.get("company_code"));
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if (isBlank(columnName) || isBlank(oldValue)) {
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throw new IllegalArgumentException("필수 필드가 누락되었습니다. (columnName, oldValue)");
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}
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log.info("코드 병합 미리보기: column={}, oldValue={}, company={}", columnName, oldValue, companyCode);
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Map<String, Object> params = new HashMap<>();
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params.put("column_name", columnName);
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List<Map<String, Object>> tableRows = sqlSession.selectList(NS + "getTablesWithColumn", params);
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List<Map<String, Object>> preview = new ArrayList<>();
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int totalRows = 0;
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for (Map<String, Object> tableRow : tableRows) {
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Object nameVal = tableRow.get("table_name");
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if (nameVal == null) continue;
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String tableName = nameVal.toString();
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// 테이블명·컬럼명은 information_schema에서 검증된 값 — SQL 인젝션 위험 없음
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String countSql = String.format(
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"SELECT COUNT(*) FROM \"%s\" WHERE \"%s\" = ? AND company_code = ?",
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tableName, columnName);
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try {
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Integer count = jdbcTemplate.queryForObject(countSql, Integer.class, oldValue, companyCode);
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if (count != null && count > 0) {
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Map<String, Object> item = new LinkedHashMap<>();
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item.put("table_name", tableName);
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item.put("affected_rows", count);
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preview.add(item);
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totalRows += count;
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}
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} catch (Exception e) {
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log.warn("테이블 {} 조회 실패 (건너뜀): {}", tableName, e.getMessage());
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}
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}
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Map<String, Object> result = new LinkedHashMap<>();
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result.put("column_name", columnName);
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result.put("old_value", oldValue);
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result.put("preview", preview);
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result.put("total_affected_rows", totalRows);
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return result;
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}
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// ── Merge All Tables (column-based) ───────────────────────────────────────
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/**
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* POST /merge-all-tables
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* PostgreSQL 함수 merge_code_all_tables(columnName, oldValue, newValue, companyCode) 호출
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*/
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@Transactional
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public Map<String, Object> mergeAllTables(Map<String, Object> body) {
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String columnName = str(body.get("column_name"));
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String oldValue = str(body.get("old_value"));
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String newValue = str(body.get("new_value"));
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String companyCode = str(body.get("company_code"));
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if (isBlank(columnName) || isBlank(oldValue) || isBlank(newValue)) {
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throw new IllegalArgumentException("필수 필드가 누락되었습니다. (columnName, oldValue, newValue)");
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}
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if (oldValue.equals(newValue)) {
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throw new IllegalArgumentException("기존 값과 새 값이 동일합니다.");
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}
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log.info("코드 병합 시작: column={}, {} → {}, company={}", columnName, oldValue, newValue, companyCode);
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List<Map<String, Object>> rows = jdbcTemplate.queryForList(
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"SELECT * FROM merge_code_all_tables(?, ?, ?, ?)",
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columnName, oldValue, newValue, companyCode);
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int totalRows = rows.stream()
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.mapToInt(r -> r.get("rows_updated") != null ? ((Number) r.get("rows_updated")).intValue() : 0)
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.sum();
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List<Map<String, Object>> affectedTables = rows.stream().map(r -> {
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Map<String, Object> item = new LinkedHashMap<>();
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item.put("table_name", r.get("table_name"));
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item.put("rows_updated", r.get("rows_updated") != null ? ((Number) r.get("rows_updated")).intValue() : 0);
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return item;
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}).collect(Collectors.toList());
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log.info("코드 병합 완료: 영향 테이블 {}개, 총 {}행", affectedTables.size(), totalRows);
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Map<String, Object> result = new LinkedHashMap<>();
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result.put("column_name", columnName);
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result.put("old_value", oldValue);
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result.put("new_value", newValue);
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result.put("affected_tables", affectedTables);
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result.put("total_rows_updated", totalRows);
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return result;
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}
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// ── Merge By Value ────────────────────────────────────────────────────────
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/**
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* POST /merge-by-value
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* PostgreSQL 함수 merge_code_by_value(oldValue, newValue, companyCode) 호출
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* 컬럼명에 관계없이 해당 값을 가진 모든 위치를 변경
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*/
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@Transactional
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public Map<String, Object> mergeByValue(Map<String, Object> body) {
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String oldValue = str(body.get("old_value"));
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String newValue = str(body.get("new_value"));
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String companyCode = str(body.get("company_code"));
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if (isBlank(oldValue) || isBlank(newValue)) {
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throw new IllegalArgumentException("필수 필드가 누락되었습니다. (oldValue, newValue)");
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}
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if (oldValue.equals(newValue)) {
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throw new IllegalArgumentException("기존 값과 새 값이 동일합니다.");
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}
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log.info("값 기반 코드 병합 시작: {} → {}, company={}", oldValue, newValue, companyCode);
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List<Map<String, Object>> rows = jdbcTemplate.queryForList(
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"SELECT * FROM merge_code_by_value(?, ?, ?)",
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oldValue, newValue, companyCode);
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int totalRows = rows.stream()
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.mapToInt(r -> r.get("out_rows_updated") != null ? ((Number) r.get("out_rows_updated")).intValue() : 0)
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.sum();
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List<Map<String, Object>> affectedData = rows.stream().map(r -> {
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Map<String, Object> item = new LinkedHashMap<>();
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item.put("table_name", r.get("out_table_name"));
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item.put("column_name", r.get("out_column_name"));
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item.put("rows_updated", r.get("out_rows_updated") != null ? ((Number) r.get("out_rows_updated")).intValue() : 0);
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return item;
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}).collect(Collectors.toList());
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log.info("값 기반 코드 병합 완료: {} → {}, 총 {}행", oldValue, newValue, totalRows);
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Map<String, Object> result = new LinkedHashMap<>();
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result.put("old_value", oldValue);
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result.put("new_value", newValue);
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result.put("affected_data", affectedData);
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result.put("total_rows_updated", totalRows);
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return result;
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}
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// ── Preview By Value ──────────────────────────────────────────────────────
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/**
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* POST /preview-by-value
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* PostgreSQL 함수 preview_merge_code_by_value(oldValue, companyCode) 호출
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*/
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public Map<String, Object> previewByValue(Map<String, Object> body) {
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String oldValue = str(body.get("old_value"));
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String companyCode = str(body.get("company_code"));
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if (isBlank(oldValue)) {
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throw new IllegalArgumentException("필수 필드가 누락되었습니다. (oldValue)");
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}
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log.info("값 기반 코드 병합 미리보기: oldValue={}, company={}", oldValue, companyCode);
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List<Map<String, Object>> rows = jdbcTemplate.queryForList(
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"SELECT * FROM preview_merge_code_by_value(?, ?)",
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oldValue, companyCode);
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int totalRows = rows.stream()
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.mapToInt(r -> r.get("out_affected_rows") != null ? ((Number) r.get("out_affected_rows")).intValue() : 0)
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.sum();
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List<Map<String, Object>> preview = rows.stream().map(r -> {
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Map<String, Object> item = new LinkedHashMap<>();
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item.put("table_name", r.get("out_table_name"));
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item.put("column_name", r.get("out_column_name"));
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item.put("affected_rows", r.get("out_affected_rows") != null ? ((Number) r.get("out_affected_rows")).intValue() : 0);
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return item;
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}).collect(Collectors.toList());
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Map<String, Object> result = new LinkedHashMap<>();
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result.put("old_value", oldValue);
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result.put("preview", preview);
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result.put("total_affected_rows", totalRows);
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return result;
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}
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// ── Helpers ───────────────────────────────────────────────────────────────
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private String str(Object val) {
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return val != null ? val.toString() : null;
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}
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private boolean isBlank(String s) {
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return s == null || s.isBlank();
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}
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}
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