/*
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* Copyright (c) 2018-2028, Chill Zhuang All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* Neither the name of the dreamlu.net developer nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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* Author: Chill 庄骞 (smallchill@163.com)
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*/
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package org.springblade.core.tenant;
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import com.baomidou.mybatisplus.core.metadata.TableFieldInfo;
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import com.baomidou.mybatisplus.core.metadata.TableInfo;
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import com.baomidou.mybatisplus.core.metadata.TableInfoHelper;
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import com.baomidou.mybatisplus.extension.plugins.handler.TenantLineHandler;
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import lombok.RequiredArgsConstructor;
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import lombok.extern.slf4j.Slf4j;
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import net.sf.jsqlparser.expression.Expression;
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import net.sf.jsqlparser.expression.StringValue;
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import org.springblade.core.secure.utils.AuthUtil;
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import org.springblade.core.tenant.annotation.TableExclude;
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import org.springblade.core.tool.constant.BladeConstant;
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import org.springblade.core.tool.utils.Func;
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import org.springblade.core.tool.utils.SpringUtil;
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import org.springblade.core.tool.utils.StringUtil;
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import org.springframework.beans.factory.SmartInitializingSingleton;
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import org.springframework.context.ApplicationContext;
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import java.util.*;
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/**
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* 租户信息处理器
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*
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* @author Chill, L.cm
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*/
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@Slf4j
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@RequiredArgsConstructor
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public class BladeTenantHandler implements TenantLineHandler, SmartInitializingSingleton {
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/**
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* 匹配的多租户表
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*/
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private final List<String> tenantTableList = new ArrayList<>();
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/**
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* 需要排除进行自定义的多租户表
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*/
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private final List<String> excludeTableList = Arrays.asList("blade_user", "blade_dept", "blade_role", "blade_tenant", "act_de_model");
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/**
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* 多租户配置
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*/
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private final BladeTenantProperties tenantProperties;
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/**
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* 获取租户ID
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*
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* @return 租户ID
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*/
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@Override
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public Expression getTenantId() {
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return new StringValue(Func.toStr(AuthUtil.getTenantId(), BladeConstant.ADMIN_TENANT_ID));
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}
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/**
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* 获取租户字段名称
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*
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* @return 租户字段名称
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*/
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@Override
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public String getTenantIdColumn() {
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return tenantProperties.getColumn();
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}
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/**
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* 根据表名判断是否忽略拼接多租户条件
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* 默认都要进行解析并拼接多租户条件
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*
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* @param tableName 表名
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* @return 是否忽略, true:表示忽略,false:需要解析并拼接多租户条件
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*/
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@Override
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public boolean ignoreTable(String tableName) {
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if (BladeTenantHolder.isIgnore()) {
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return true;
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}
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return !(tenantTableList.contains(tableName) && StringUtil.isNotBlank(AuthUtil.getTenantId()));
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}
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@Override
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public void afterSingletonsInstantiated() {
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ApplicationContext context = SpringUtil.getContext();
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if (tenantProperties.getAnnotationExclude() && context != null) {
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Map<String, Object> tables = context.getBeansWithAnnotation(TableExclude.class);
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List<String> excludeTables = tenantProperties.getExcludeTables();
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for (Object o : tables.values()) {
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TableExclude annotation = o.getClass().getAnnotation(TableExclude.class);
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String value = annotation.value();
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excludeTables.add(value);
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}
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}
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List<TableInfo> tableInfos = TableInfoHelper.getTableInfos();
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tableFor:
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for (TableInfo tableInfo : tableInfos) {
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String tableName = tableInfo.getTableName();
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if (tenantProperties.getExcludeTables().contains(tableName) ||
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excludeTableList.contains(tableName.toLowerCase()) ||
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excludeTableList.contains(tableName.toUpperCase())) {
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continue;
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}
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List<TableFieldInfo> fieldList = tableInfo.getFieldList();
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for (TableFieldInfo fieldInfo : fieldList) {
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String column = fieldInfo.getColumn();
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if (tenantProperties.getColumn().equals(column)) {
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tenantTableList.add(tableName);
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continue tableFor;
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}
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}
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}
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}
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}
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