From b4678b74ab4de1f42580993985c1dfade485fe41 Mon Sep 17 00:00:00 2001
From: 疯狂的狮子Li <15040126243@163.com>
Date: 星期一, 11 十一月 2024 13:52:16 +0800
Subject: [PATCH] update 优化 使用ObjectUtils新增方法封装代码

---
 ruoyi-common/ruoyi-common-mybatis/src/main/java/org/dromara/common/mybatis/handler/PlusDataPermissionHandler.java |  148 +++++++++++++++++++++----------------------------
 1 files changed, 64 insertions(+), 84 deletions(-)

diff --git a/ruoyi-common/ruoyi-common-mybatis/src/main/java/org/dromara/common/mybatis/handler/PlusDataPermissionHandler.java b/ruoyi-common/ruoyi-common-mybatis/src/main/java/org/dromara/common/mybatis/handler/PlusDataPermissionHandler.java
index c9a578f..f46ec69 100644
--- a/ruoyi-common/ruoyi-common-mybatis/src/main/java/org/dromara/common/mybatis/handler/PlusDataPermissionHandler.java
+++ b/ruoyi-common/ruoyi-common-mybatis/src/main/java/org/dromara/common/mybatis/handler/PlusDataPermissionHandler.java
@@ -1,11 +1,13 @@
 package org.dromara.common.mybatis.handler;
 
-import cn.hutool.core.annotation.AnnotationUtil;
 import cn.hutool.core.collection.CollUtil;
-import cn.hutool.core.collection.ConcurrentHashSet;
-import cn.hutool.core.util.ArrayUtil;
-import cn.hutool.core.util.ClassUtil;
 import cn.hutool.core.util.ObjectUtil;
+import lombok.extern.slf4j.Slf4j;
+import net.sf.jsqlparser.JSQLParserException;
+import net.sf.jsqlparser.expression.Expression;
+import net.sf.jsqlparser.expression.operators.conditional.AndExpression;
+import net.sf.jsqlparser.expression.operators.relational.ParenthesedExpressionList;
+import net.sf.jsqlparser.parser.CCJSqlParserUtil;
 import org.dromara.common.core.domain.dto.RoleDTO;
 import org.dromara.common.core.domain.model.LoginUser;
 import org.dromara.common.core.exception.ServiceException;
@@ -17,12 +19,6 @@
 import org.dromara.common.mybatis.enums.DataScopeType;
 import org.dromara.common.mybatis.helper.DataPermissionHelper;
 import org.dromara.common.satoken.utils.LoginHelper;
-import lombok.extern.slf4j.Slf4j;
-import net.sf.jsqlparser.JSQLParserException;
-import net.sf.jsqlparser.expression.Expression;
-import net.sf.jsqlparser.expression.Parenthesis;
-import net.sf.jsqlparser.expression.operators.conditional.AndExpression;
-import net.sf.jsqlparser.parser.CCJSqlParserUtil;
 import org.springframework.context.expression.BeanFactoryResolver;
 import org.springframework.expression.BeanResolver;
 import org.springframework.expression.ExpressionParser;
@@ -31,9 +27,9 @@
 import org.springframework.expression.spel.standard.SpelExpressionParser;
 import org.springframework.expression.spel.support.StandardEvaluationContext;
 
-import java.lang.reflect.Method;
-import java.util.*;
-import java.util.concurrent.ConcurrentHashMap;
+import java.util.Arrays;
+import java.util.HashSet;
+import java.util.Set;
 import java.util.function.Function;
 
 /**
@@ -46,16 +42,6 @@
 public class PlusDataPermissionHandler {
 
     /**
-     * 鏂规硶鎴栫被(鍚嶇О) 涓� 娉ㄨВ鐨勬槧灏勫叧绯荤紦瀛�
-     */
-    private final Map<String, DataPermission> dataPermissionCacheMap = new ConcurrentHashMap<>();
-
-    /**
-     * 鏃犳晥娉ㄨВ鏂规硶缂撳瓨鐢ㄤ簬蹇�熻繑鍥�
-     */
-    private final Set<String> invalidCacheSet = new ConcurrentHashSet<>();
-
-    /**
      * spel 瑙f瀽鍣�
      */
     private final ExpressionParser parser = new SpelExpressionParser();
@@ -65,30 +51,36 @@
      */
     private final BeanResolver beanResolver = new BeanFactoryResolver(SpringUtils.getBeanFactory());
 
-
+    /**
+     * 鑾峰彇鏁版嵁杩囨护鏉′欢鐨� SQL 鐗囨
+     *
+     * @param where             鍘熷鐨勬煡璇㈡潯浠惰〃杈惧紡
+     * @param mappedStatementId Mapper 鏂规硶鐨� ID
+     * @param isSelect          鏄惁涓烘煡璇㈣鍙�
+     * @return 鏁版嵁杩囨护鏉′欢鐨� SQL 鐗囨
+     */
     public Expression getSqlSegment(Expression where, String mappedStatementId, boolean isSelect) {
-        DataColumn[] dataColumns = findAnnotation(mappedStatementId);
-        if (ArrayUtil.isEmpty(dataColumns)) {
-            invalidCacheSet.add(mappedStatementId);
-            return where;
-        }
-        LoginUser currentUser = DataPermissionHelper.getVariable("user");
-        if (ObjectUtil.isNull(currentUser)) {
-            currentUser = LoginHelper.getLoginUser();
-            DataPermissionHelper.setVariable("user", currentUser);
-        }
-        // 濡傛灉鏄秴绾х鐞嗗憳鎴栫鎴风鐞嗗憳锛屽垯涓嶈繃婊ゆ暟鎹�
-        if (LoginHelper.isSuperAdmin() || LoginHelper.isTenantAdmin()) {
-            return where;
-        }
-        String dataFilterSql = buildDataFilter(dataColumns, isSelect);
-        if (StringUtils.isBlank(dataFilterSql)) {
-            return where;
-        }
         try {
+            // 鑾峰彇鏁版嵁鏉冮檺閰嶇疆
+            DataPermission dataPermission = DataPermissionHelper.getPermission();
+            // 鑾峰彇褰撳墠鐧诲綍鐢ㄦ埛淇℃伅
+            LoginUser currentUser = DataPermissionHelper.getVariable("user");
+            if (ObjectUtil.isNull(currentUser)) {
+                currentUser = LoginHelper.getLoginUser();
+                DataPermissionHelper.setVariable("user", currentUser);
+            }
+            // 濡傛灉鏄秴绾х鐞嗗憳鎴栫鎴风鐞嗗憳锛屽垯涓嶈繃婊ゆ暟鎹�
+            if (LoginHelper.isSuperAdmin() || LoginHelper.isTenantAdmin()) {
+                return where;
+            }
+            // 鏋勯�犳暟鎹繃婊ゆ潯浠剁殑 SQL 鐗囨
+            String dataFilterSql = buildDataFilter(dataPermission, isSelect);
+            if (StringUtils.isBlank(dataFilterSql)) {
+                return where;
+            }
             Expression expression = CCJSqlParserUtil.parseExpression(dataFilterSql);
             // 鏁版嵁鏉冮檺浣跨敤鍗曠嫭鐨勬嫭鍙� 闃叉涓庡叾浠栨潯浠跺啿绐�
-            Parenthesis parenthesis = new Parenthesis(expression);
+            ParenthesedExpressionList<Expression> parenthesis = new ParenthesedExpressionList<>(expression);
             if (ObjectUtil.isNotNull(where)) {
                 return new AndExpression(where, parenthesis);
             } else {
@@ -96,15 +88,25 @@
             }
         } catch (JSQLParserException e) {
             throw new ServiceException("鏁版嵁鏉冮檺瑙f瀽寮傚父 => " + e.getMessage());
+        } finally {
+            DataPermissionHelper.removePermission();
         }
     }
 
     /**
-     * 鏋勯�犳暟鎹繃婊ql
+     * 鏋勫缓鏁版嵁杩囨护鏉′欢鐨� SQL 璇彞
+     *
+     * @param dataPermission 鏁版嵁鏉冮檺娉ㄨВ
+     * @param isSelect       鏍囧織褰撳墠鎿嶄綔鏄惁涓烘煡璇㈡搷浣滐紝鏌ヨ鎿嶄綔鍜屾洿鏂版垨鍒犻櫎鎿嶄綔鍦ㄥ鐞嗚繃婊ゆ潯浠舵椂浼氭湁涓嶅悓鐨勫鐞嗘柟寮�
+     * @return 鏋勫缓鐨勬暟鎹繃婊ゆ潯浠剁殑 SQL 璇彞
+     * @throws ServiceException 濡傛灉瑙掕壊鐨勬暟鎹寖鍥村紓甯告垨鑰� key 涓� value 鐨勯暱搴︿笉鍖归厤锛屽垯鎶涘嚭 ServiceException 寮傚父
      */
-    private String buildDataFilter(DataColumn[] dataColumns, boolean isSelect) {
+    private String buildDataFilter(DataPermission dataPermission, boolean isSelect) {
         // 鏇存柊鎴栧垹闄ら渶婊¤冻鎵�鏈夋潯浠�
         String joinStr = isSelect ? " OR " : " AND ";
+        if (StringUtils.isNotBlank(dataPermission.joinStr())) {
+            joinStr = " " + dataPermission.joinStr() + " ";
+        }
         LoginUser user = DataPermissionHelper.getVariable("user");
         StandardEvaluationContext context = new StandardEvaluationContext();
         context.setBeanResolver(beanResolver);
@@ -122,7 +124,7 @@
                 return "";
             }
             boolean isSuccess = false;
-            for (DataColumn dataColumn : dataColumns) {
+            for (DataColumn dataColumn : dataPermission.value()) {
                 if (dataColumn.key().length != dataColumn.value().length) {
                     throw new ServiceException("瑙掕壊鏁版嵁鑼冨洿寮傚父 => key涓巚alue闀垮害涓嶅尮閰�");
                 }
@@ -132,13 +134,23 @@
                 )) {
                     continue;
                 }
+                // 鍖呭惈鏉冮檺鏍囪瘑绗� 杩欑洿鎺ヨ烦杩�
+                if (StringUtils.isNotBlank(dataColumn.permission()) &&
+                    CollUtil.contains(user.getMenuPermission(), dataColumn.permission())
+                ) {
+                    isSuccess = true;
+                    continue;
+                }
                 // 璁剧疆娉ㄨВ鍙橀噺 key 涓鸿〃杈惧紡鍙橀噺 value 涓哄彉閲忓��
                 for (int i = 0; i < dataColumn.key().length; i++) {
                     context.setVariable(dataColumn.key()[i], dataColumn.value()[i]);
                 }
 
+                // 蹇界暐鏁版嵁鏉冮檺 闃叉spel琛ㄨ揪寮忓唴鏈夊叾浠杝ql鏌ヨ瀵艰嚧姝诲惊鐜皟鐢�
+                String sql = DataPermissionHelper.ignore(() ->
+                    parser.parseExpression(type.getSqlTemplate(), parserContext).getValue(context, String.class)
+                );
                 // 瑙f瀽sql妯℃澘骞跺~鍏�
-                String sql = parser.parseExpression(type.getSqlTemplate(), parserContext).getValue(context, String.class);
                 conditions.add(joinStr + sql);
                 isSuccess = true;
             }
@@ -155,44 +167,12 @@
         return "";
     }
 
-    private DataColumn[] findAnnotation(String mappedStatementId) {
-        StringBuilder sb = new StringBuilder(mappedStatementId);
-        int index = sb.lastIndexOf(".");
-        String clazzName = sb.substring(0, index);
-        String methodName = sb.substring(index + 1, sb.length());
-        Class<?> clazz = ClassUtil.loadClass(clazzName);
-        List<Method> methods = Arrays.stream(ClassUtil.getDeclaredMethods(clazz))
-            .filter(method -> method.getName().equals(methodName)).toList();
-        DataPermission dataPermission;
-        // 鑾峰彇鏂规硶娉ㄨВ
-        for (Method method : methods) {
-            dataPermission = dataPermissionCacheMap.get(mappedStatementId);
-            if (ObjectUtil.isNotNull(dataPermission)) {
-                return dataPermission.value();
-            }
-            if (AnnotationUtil.hasAnnotation(method, DataPermission.class)) {
-                dataPermission = AnnotationUtil.getAnnotation(method, DataPermission.class);
-                dataPermissionCacheMap.put(mappedStatementId, dataPermission);
-                return dataPermission.value();
-            }
-        }
-        dataPermission = dataPermissionCacheMap.get(clazz.getName());
-        if (ObjectUtil.isNotNull(dataPermission)) {
-            return dataPermission.value();
-        }
-        // 鑾峰彇绫绘敞瑙�
-        if (AnnotationUtil.hasAnnotation(clazz, DataPermission.class)) {
-            dataPermission = AnnotationUtil.getAnnotation(clazz, DataPermission.class);
-            dataPermissionCacheMap.put(clazz.getName(), dataPermission);
-            return dataPermission.value();
-        }
-        return null;
-    }
-
     /**
-     * 鏄惁涓烘棤鏁堟柟娉� 鏃犳暟鎹潈闄�
+     * 妫�鏌ョ粰瀹氱殑鏄犲皠璇彞 ID 鏄惁鏈夋晥锛屽嵆鏄惁鑳藉鎵惧埌瀵瑰簲鐨� DataPermission 娉ㄨВ瀵硅薄
+     *
+     * @return 濡傛灉鎵惧埌瀵瑰簲鐨� DataPermission 娉ㄨВ瀵硅薄锛屽垯杩斿洖 false锛涘惁鍒欒繑鍥� true
      */
-    public boolean isInvalid(String mappedStatementId) {
-        return invalidCacheSet.contains(mappedStatementId);
+    public boolean invalid() {
+        return DataPermissionHelper.getPermission() == null;
     }
 }

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