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- package com.persagy.proxy.adm.utils;
- import cn.hutool.core.map.MapUtil;
- import cn.hutool.core.util.ArrayUtil;
- import cn.hutool.core.util.StrUtil;
- import com.baomidou.mybatisplus.core.metadata.OrderItem;
- import com.fasterxml.jackson.databind.JsonNode;
- import com.fasterxml.jackson.databind.node.ArrayNode;
- import com.fasterxml.jackson.databind.node.JsonNodeFactory;
- import com.fasterxml.jackson.databind.node.ObjectNode;
- import com.persagy.dmp.basic.model.QueryCriteria;
- import com.persagy.dmp.basic.model.QueryOperator;
- import com.persagy.dmp.common.model.entity.BaseEntity;
- import com.persagy.proxy.adm.constant.enums.ValidEnum;
- import com.persagy.proxy.adm.request.AdmQueryCriteria;
- import java.math.BigDecimal;
- import java.util.ArrayList;
- import java.util.HashMap;
- import java.util.List;
- import java.util.Map;
- /**
- * ADM通用查询条件
- * @author Charlie Yu
- * @date 2021-08-16
- */
- public class AdmQueryCriteriaHelper {
- /** 条件匹配字符串 */
- private static final String[] COND_STR = {" = "," != "," > "," >= "," < "," <= "," in "," isnull "," contain "," startwith "," endwith "};
- /** 条件匹配字符串 根据ADM实际调用查看,去掉空格*/
- private static final String[] COND_STR_TRIM = {"=","!=",">",">=","<","<=","in","isnull","contain","startwith","endwith"};
- /** 需要替换的字段对照 Map<AdmQueryCriteria.name, Map<AdmFieldName, DmpFieldName> */
- private static Map<String, Map<String, String>> RENAME_MAP = new HashMap<>(16);
- /** 与数据中台的操作参数对照 */
- private static Map<String, String> OPERATOR_MAP = new HashMap<>();
- static {
- OPERATOR_MAP.put("!=", "$ne");
- OPERATOR_MAP.put(">", "$gt");
- OPERATOR_MAP.put(">=", "$gte");
- OPERATOR_MAP.put("<", "$lt");
- OPERATOR_MAP.put("<=", "$lte");
- OPERATOR_MAP.put("in", "$in");
- OPERATOR_MAP.put("contain", "$like");
- OPERATOR_MAP.put("startwith", "$likeLeft");
- OPERATOR_MAP.put("endwith", "$likeRight");
- }
- /**
- * 将ADM的查询条件转换为DMP的
- * 调用前注意:
- * - 调用前将name赋值,才会将条件中adm的属性替换为dmp的属性
- * - 统计查询时将isOnlyCount设置为true
- * 调用后注意(需要调用者自行处理的):
- * - 不处理级联,级联应在调用者里处理级联调用转换后查询赋值
- * - 不处理projection,查询后自行根据projection筛选返回属性。(dmp只能指定扩展属性,而adm的是针对所有属性的)
- * @param admCriteria
- * @return
- */
- public static QueryCriteria toDmpCriteria(AdmQueryCriteria admCriteria) {
- QueryCriteria dmpCriteria = new QueryCriteria();
- // 拷贝分页
- copyPageInfo(admCriteria, dmpCriteria);
- // 处理filters
- ObjectNode criteria = toCriteria(admCriteria.getName(), admCriteria.getFilters());
- dmpCriteria.setCriteria(criteria);
- if(StrUtil.isNotEmpty(admCriteria.getName())){
- // 处理name
- criteria.put("objType", admCriteria.getName());
- }
- // 补充valid = 1
- if(!criteria.has(BaseEntity.PROP_VALID)) {
- criteria.put(BaseEntity.PROP_VALID, ValidEnum.TRUE.getValue());
- }
- // 补充关系条件
- if(admCriteria.getRelationFrom() != null) {
- criteria.set(QueryOperator.RELATION_FROM.getIndex(), admCriteria.getRelationFrom());
- }
- if(admCriteria.getRelationTo() != null) {
- criteria.set(QueryOperator.RELATION_TO.getIndex(), admCriteria.getRelationTo());
- }
- // 处理排序
- dmpCriteria.setOrders(toOrderItem(admCriteria.getOrders()));
- // 处理统计
- dmpCriteria.setOnlyCount(admCriteria.isOnlyCount());
- return dmpCriteria;
- }
- /**
- * 处理分页信息
- * @param admCriteria
- * @param dmpCriteria
- */
- public static void copyPageInfo(AdmQueryCriteria admCriteria, QueryCriteria dmpCriteria) {
- // 页码
- Integer pageNumber = admCriteria.getPageNumber();
- if(pageNumber == null || pageNumber < 1) {
- pageNumber = 1;
- }
- dmpCriteria.setPage(pageNumber.longValue());
- // 条数
- Integer pageSize = admCriteria.getPageSize();
- if(pageSize == null || pageSize > admCriteria.getMaxRow()) {
- pageSize = admCriteria.getMaxRow();
- }
- dmpCriteria.setSize(pageSize.longValue());
- }
- /**
- * 排序字符串转换为对象
- * @param orderStr
- */
- public static List<OrderItem> toOrderItem(String orderStr) {
- if(StrUtil.isBlank(orderStr)) {
- return null;
- }
- // 按,分隔
- String[] orders = StrUtil.split(orderStr, ",");
- List<OrderItem> orderList = new ArrayList<>();
- for(String order:orders) {
- // 按空格分隔
- String[] items = StrUtil.split(order, " ");
- // 去除空串
- items = ArrayUtil.removeEmpty(items);
- if(ArrayUtil.isEmpty(items)) {
- continue;
- }
- OrderItem orderItem = new OrderItem();
- // 第一位为排序字段
- orderItem.setColumn(items[0].trim());
- // 只有一位 或 第二位不是desc 表示为升序
- orderItem.setAsc(items.length <= 1 || !"desc".equalsIgnoreCase(items[1]));
- orderList.add(orderItem);
- }
- return orderList;
- }
- /**
- * 将ADM过滤条件转换为DMP查询
- * 由于数据中台不支持or条件,因此不能转换为中台的KV条件形式,只能转换为sql
- * @param filters
- * @return
- */
- public static ObjectNode toCriteria(String name, String filters) {
- ObjectNode criteria = JsonNodeFactory.instance.objectNode();
- // filters格式参考:http://doc.sagacloud.cn/doc/service/dev/lib/web/filters.html#%E8%BF%87%E6%BB%A4%E6%9D%A1%E4%BB%B6
- if(StrUtil.isBlank(filters)) {
- return criteria;
- }
- // 替换逻辑运算符: && || ;
- filters = StrUtil.replace(filters, "&&", " and ");
- filters = StrUtil.replace(filters, "||", " or ");
- filters = StrUtil.replace(filters, ";", " and ");
- // 处理[]
- filters = StrUtil.replace(filters, "[", " ( ");
- filters = StrUtil.replace(filters, "]", " ) ");
- // 查找下一个 连接点[and or为连接点]
- ensureOrCondition(name, criteria, filters);
- return criteria;
- }
- /**
- * 从or条件中截取表达式
- * @param criteria
- * @param filters
- */
- private static void ensureOrCondition(String name, ObjectNode criteria, String filters) {
- int orIndex = StrUtil.indexOfIgnoreCase(filters, " or ", 0);
- String orLeft = orIndex < 0 ? filters : StrUtil.subPre(filters, orIndex);
- ensureAndCondition(name, criteria, orLeft);
- // 有or条件
- if(orIndex >= 0) {
- String orRight = StrUtil.subSuf(filters, orIndex + 4);
- ObjectNode node = criteria.putObject("$or");
- // 右侧字符串继续递归处理
- ensureOrCondition(name, node, orRight);
- }
- }
- /**
- * 从and条件中截取表达式
- * @param criteria
- * @param filters
- */
- private static void ensureAndCondition(String name, ObjectNode criteria, String filters) {
- int andIndex = StrUtil.indexOfIgnoreCase(filters, " and ", 0);
- String andLeft = andIndex < 0 ? filters : StrUtil.subPre(filters, andIndex);
- // 处理左侧条件
- ensureAndExpress(name, criteria, andLeft);
- // 处理右侧条件
- if(andIndex >= 0) {
- String andRight = StrUtil.subSuf(filters, andIndex+5);
- // 递归处理and
- ensureAndCondition(name, criteria, andRight);
- }
- }
- /**
- * 处理表达式
- * @param criteria
- * @param express
- */
- private static void ensureAndExpress(String name, ObjectNode criteria, String express) {
- String cond = StrUtil.isBlank(StrUtil.getContainsStr(express, COND_STR)) ? StrUtil.getContainsStr(express, COND_STR_TRIM) : StrUtil.getContainsStr(express, COND_STR);
- if(StrUtil.isBlank(cond)) {
- return;
- }
- int condIndex = StrUtil.indexOfIgnoreCase(express, cond, 0);
- String condLeft = StrUtil.subPre(express, condIndex).trim();
- String condRight = StrUtil.subSuf(express, condIndex+cond.length()).trim();
- addCondition(name, criteria, condLeft, cond.trim(), condRight);
- }
- /**
- * 拼接条件
- * @param criteria
- * @param column
- * @param operator
- * @param value
- */
- private static void addCondition(String name, ObjectNode criteria, String column, String operator, String value) {
- // 20211015 移除列名中的infos.
- column = StrUtil.replaceIgnoreCase(column, "infos.", "");
- // 替换列名
- column = replaceColumns(name, column);
- if("=".equals(operator)) {
- criteria.set(column, getJsonNode(criteria, value));
- } else if("in".equals(operator)) {
- // 按,分隔
- String[] splits = StrUtil.split(value, ",");
- if(ArrayUtil.isEmpty(splits)) {
- return;
- }
- ArrayNode node = criteria.putArray(column);
- for(String split:splits) {
- // 去掉所有的() 即为值
- split = StrUtil.removeAll(split, '(',')');
- node.add(getJsonNode(criteria, split.trim()));
- }
- } else if("isnull".equals(operator)) {
- boolean ifNot = true;
- if(column.indexOf("not") >= 0){
- ifNot = false;
- column = column.split(" ")[1];
- }
- ObjectNode node = criteria.putObject(column);
- node.put("$null", ifNot);
- } else {
- ObjectNode node = criteria.putObject(column);
- node.set(OPERATOR_MAP.get(operator), getJsonNode(node, value));
- }
- }
- /**
- * 取Json值对象
- * @param criteria
- * @param value
- * @return
- */
- private static JsonNode getJsonNode(ObjectNode criteria, String value) {
- if(StrUtil.isBlank(value)) {
- return criteria.nullNode();
- }
- // 字符串
- if(StrUtil.startWith(value, "'") && StrUtil.endWith(value, "'")) {
- return criteria.textNode(StrUtil.sub(value, 1, value.length()-1));
- }
- // 数值
- if (StrUtil.contains(value, ".")) {
- try {
- BigDecimal no = new BigDecimal(value);
- return criteria.numberNode(no);
- } catch (NumberFormatException e) {
- }
- }
- // 整型
- try {
- Integer no = Integer.valueOf(value);
- return criteria.numberNode(no);
- } catch (NumberFormatException e) {
- }
- return criteria.nullNode();
- }
- /**
- * 替换属性称名
- * @param name
- * @param column
- * @return
- */
- private static String replaceColumns(String name, String column) {
- Map<String, String> fieldMap = getRenameFields(name);
- // 没有对照则使用原本的
- if(MapUtil.isEmpty(fieldMap) || !fieldMap.containsKey(column)) {
- return column;
- }
- return fieldMap.get(column);
- }
- /**
- * 获取更名对照
- * @param name
- * @return
- */
- private static Map<String, String> getRenameFields(String name) {
- // 获取通用对照
- Map<String, String> commonMap = getRenameMap().get("COMMON");
- // 获取此类型的对照
- Map<String, String> nameMap = getRenameMap().get(name);
- if(MapUtil.isEmpty(nameMap)) {
- return commonMap;
- }
- Map<String, String> rsMap = new HashMap<>();
- rsMap.putAll(commonMap);
- rsMap.putAll(nameMap);
- return rsMap;
- }
- /**
- * 获取通用Map
- * @return
- */
- private static Map<String, Map<String, String>> getRenameMap() {
- if(MapUtil.isEmpty(RENAME_MAP)) {
- // COMMON表示通用对照
- Map<String, String> commonMap = new HashMap<>();
- commonMap.put("createTime", "creationTime");
- commonMap.put("lastUpdate", "modifiedTime");
- RENAME_MAP.put("COMMON", commonMap);
- }
- return RENAME_MAP;
- }
- }
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