package org.jeecg.common.system.query;

import com.alibaba.fastjson.JSON;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.beanutils.PropertyUtils;
import org.jeecg.common.constant.CommonConstant;
import org.jeecg.common.constant.DataBaseConstant;
import org.jeecg.common.system.api.ISysBaseAPI;
import org.jeecg.common.system.util.JeecgDataAutorUtils;
import org.jeecg.common.system.util.JwtUtil;
import org.jeecg.common.system.vo.SysPermissionDataRuleModel;
import org.jeecg.common.util.DateUtils;
import org.jeecg.common.util.SqlInjectionUtil;
import org.jeecg.common.util.oConvertUtils;
import org.jeecgframework.core.util.ApplicationContextUtil;
import org.springframework.util.NumberUtils;

import java.beans.PropertyDescriptor;
import java.io.UnsupportedEncodingException;
import java.math.BigDecimal;
import java.net.URLDecoder;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.*;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

@Slf4j
public class QueryGenerator {
    public static final String SQL_RULES_COLUMN = "SQL_RULES_COLUMN";

    private static final String BEGIN = "_begin";
    private static final String END = "_end";
    /**
     * 数字类型字段,拼接此后缀 接受多值参数
     */
    private static final String MULTI = "_MultiString";
    private static final String STAR = "*";
    private static final String COMMA = ",";
    private static final String NOT_EQUAL = "!";
    /**页面带有规则值查询,空格作为分隔符*/
    private static final String QUERY_SEPARATE_KEYWORD = " ";
    /**高级查询前端传来的参数名*/
    private static final String SUPER_QUERY_PARAMS = "superQueryParams";
    /** 高级查询前端传来的拼接方式参数名 */
    private static final String SUPER_QUERY_MATCH_TYPE = "superQueryMatchType";
    /** 单引号 */
    public static final String SQL_SQ = "'";
    /**排序列*/
    private static final String ORDER_COLUMN = "column";
    /**排序方式*/
    private static final String ORDER_TYPE = "order";
    private static final String ORDER_TYPE_ASC = "ASC";
    
    /**时间格式化 */
    private static final ThreadLocal<SimpleDateFormat> local = new ThreadLocal<SimpleDateFormat>();
    private static SimpleDateFormat getTime(){
        SimpleDateFormat time = local.get();
        if(time == null){
            time = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
            local.set(time);
        }
        return time;
    }
    
    /**
     * 获取查询条件构造器QueryWrapper实例 通用查询条件已被封装完成
     * @param searchObj 查询实体
     * @param parameterMap request.getParameterMap()
     * @return QueryWrapper实例
     */
    public static <T> QueryWrapper<T> initQueryWrapper(T searchObj,Map<String, String[]> parameterMap){
        long start = System.currentTimeMillis();
        QueryWrapper<T> queryWrapper = new QueryWrapper<T>();
        installMplus(queryWrapper, searchObj, parameterMap);
        log.debug("---查询条件构造器初始化完成,耗时:"+(System.currentTimeMillis()-start)+"毫秒----");
        return queryWrapper;
    }
    
    /**
     * 组装Mybatis Plus 查询条件
     * <p>使用此方法 需要有如下几点注意:   
     * <br>1.使用QueryWrapper 而非LambdaQueryWrapper;
     * <br>2.实例化QueryWrapper时不可将实体传入参数   
     * <br>错误示例:如QueryWrapper<JeecgDemo> queryWrapper = new QueryWrapper<JeecgDemo>(jeecgDemo);
     * <br>正确示例:QueryWrapper<JeecgDemo> queryWrapper = new QueryWrapper<JeecgDemo>();
     * <br>3.也可以不使用这个方法直接调用 {@link #initQueryWrapper}直接获取实例
     */
    public static void installMplus(QueryWrapper<?> queryWrapper,Object searchObj,Map<String, String[]> parameterMap) {
        
        /*
         * 注意:权限查询由前端配置数据规则 当一个人有多个所属部门时候 可以在规则配置包含条件 orgCode 包含 #{sys_org_code}
        但是不支持在自定义SQL中写orgCode in #{sys_org_code} 
        当一个人只有一个部门 就直接配置等于条件: orgCode 等于 #{sys_org_code} 或者配置自定义SQL: orgCode = '#{sys_org_code}'
        */
        
        //区间条件组装 模糊查询 高级查询组装 简单排序 权限查询
        PropertyDescriptor origDescriptors[] = PropertyUtils.getPropertyDescriptors(searchObj);
        Map<String,SysPermissionDataRuleModel> ruleMap = getRuleMap();
        
        //权限规则自定义SQL表达式
        for (String c : ruleMap.keySet()) {
            if(oConvertUtils.isNotEmpty(c) && c.startsWith(SQL_RULES_COLUMN)){
                queryWrapper.and(i ->i.apply(getSqlRuleValue(ruleMap.get(c).getRuleValue())));
            }
        }
        
        String name, type;
        for (int i = 0; i < origDescriptors.length; i++) {
            //aliasName = origDescriptors[i].getName();  mybatis  不存在实体属性 不用处理别名的情况
            name = origDescriptors[i].getName();
            type = origDescriptors[i].getPropertyType().toString();
            try {
                if (judgedIsUselessField(name)|| !PropertyUtils.isReadable(searchObj, name)) {
                    continue;
                }
                
                //数据权限查询
                if(ruleMap.containsKey(name)) {
                    addRuleToQueryWrapper(ruleMap.get(name), name, origDescriptors[i].getPropertyType(), queryWrapper);
                }
                
                // 添加 判断是否有区间值
                String endValue = null,beginValue = null;
                if (parameterMap != null && parameterMap.containsKey(name + BEGIN)) {
                    beginValue = parameterMap.get(name + BEGIN)[0].trim();
                    addQueryByRule(queryWrapper, name, type, beginValue, QueryRuleEnum.GE);
                    
                }
                if (parameterMap != null && parameterMap.containsKey(name + END)) {
                    endValue = parameterMap.get(name + END)[0].trim();
                    addQueryByRule(queryWrapper, name, type, endValue, QueryRuleEnum.LE);
                }
                //多值查询
                if (parameterMap != null && parameterMap.containsKey(name + MULTI)) {
                    endValue = parameterMap.get(name + MULTI)[0].trim();
                    addQueryByRule(queryWrapper, name.replace(MULTI,""), type, endValue, QueryRuleEnum.IN);
                }

                //判断单值  参数带不同标识字符串 走不同的查询
                //TODO 这种前后带逗号的支持分割后模糊查询需要否 使多选字段的查询生效
                Object value = PropertyUtils.getSimpleProperty(searchObj, name);
                if (null != value && value.toString().startsWith(COMMA) && value.toString().endsWith(COMMA)) {
                    String multiLikeval = value.toString().replace(",,", COMMA);
                    String[] vals = multiLikeval.substring(1, multiLikeval.length()).split(COMMA);
                    final String field = oConvertUtils.camelToUnderline(name);
                    if(vals.length>1) {
                        queryWrapper.and(j -> {
                            j = j.like(field,vals[0]);
                            for (int k=1;k<vals.length;k++) {
                                j = j.or().like(field,vals[k]);
                            }
                            //return j;
                        });
                    }else {
                        queryWrapper.and(j -> j.like(field,vals[0]));
                    }
                }else {
                    //根据参数值带什么关键字符串判断走什么类型的查询
                    QueryRuleEnum rule = convert2Rule(value);
                    value = replaceValue(rule,value);
                    // add -begin 添加判断为字符串时设为全模糊查询
                    //if( (rule==null || QueryRuleEnum.EQ.equals(rule)) && "class java.lang.String".equals(type)) {
                        // 可以设置左右模糊或全模糊,因人而异
                        //rule = QueryRuleEnum.LIKE;
                    //}
                    // add -end 添加判断为字符串时设为全模糊查询
                    addEasyQuery(queryWrapper, name, rule, value);
                }
                
            } catch (Exception e) {
                log.error(e.getMessage(), e);
            }
        }
        // 排序逻辑 处理 
        doMultiFieldsOrder(queryWrapper, parameterMap);
                
        //高级查询
        doSuperQuery(queryWrapper, parameterMap);
        
    }
    
    //多字段排序 TODO 需要修改前端
    public static void doMultiFieldsOrder(QueryWrapper<?> queryWrapper,Map<String, String[]> parameterMap) {
        String column=null,order=null;
        if(parameterMap!=null&& parameterMap.containsKey(ORDER_COLUMN)) {
            column = parameterMap.get(ORDER_COLUMN)[0];
        }
        if(parameterMap!=null&& parameterMap.containsKey(ORDER_TYPE)) {
            order = parameterMap.get(ORDER_TYPE)[0];
        }
        log.debug("排序规则>>列:"+column+",排序方式:"+order);
        if (oConvertUtils.isNotEmpty(column) && oConvertUtils.isNotEmpty(order)) {
            //字典字段,去掉字典翻译文本后缀
            if(column.endsWith(CommonConstant.DICT_TEXT_SUFFIX)) {
                column = column.substring(0, column.lastIndexOf(CommonConstant.DICT_TEXT_SUFFIX));
            }
            //SQL注入check
            SqlInjectionUtil.filterContent(column); 
            
            if (order.toUpperCase().indexOf(ORDER_TYPE_ASC)>=0) {
                queryWrapper.orderByAsc(oConvertUtils.camelToUnderline(column));
            } else {
                queryWrapper.orderByDesc(oConvertUtils.camelToUnderline(column));
            }
        }
    }
    
    /**
     * 高级查询
     * @param queryWrapper
     * @param parameterMap
     */
    public static void doSuperQuery(QueryWrapper<?> queryWrapper,Map<String, String[]> parameterMap) {
        if(parameterMap!=null&& parameterMap.containsKey(SUPER_QUERY_PARAMS)){
            String superQueryParams = parameterMap.get(SUPER_QUERY_PARAMS)[0];
            String superQueryMatchType = parameterMap.get(SUPER_QUERY_MATCH_TYPE) != null ? parameterMap.get(SUPER_QUERY_MATCH_TYPE)[0] : MatchTypeEnum.AND.getValue();
            MatchTypeEnum matchType = MatchTypeEnum.getByValue(superQueryMatchType);
            // update-begin--Author:sunjianlei  Date:20200325 for:高级查询的条件要用括号括起来,防止和用户的其他条件冲突 -------
            try {
                superQueryParams = URLDecoder.decode(superQueryParams, "UTF-8");
                List<QueryCondition> conditions = JSON.parseArray(superQueryParams, QueryCondition.class);
                if (conditions == null || conditions.size() == 0) {
                    return;
                }
                log.info("---高级查询参数-->" + conditions.toString());
                queryWrapper.and(andWrapper -> {
                    for (int i = 0; i < conditions.size(); i++) {
                        QueryCondition rule = conditions.get(i);
                        if (oConvertUtils.isNotEmpty(rule.getField())
                                && oConvertUtils.isNotEmpty(rule.getRule())
                                && oConvertUtils.isNotEmpty(rule.getVal())) {

                            log.debug("SuperQuery ==> " + rule.toString());
                            addEasyQuery(andWrapper, rule.getField(), QueryRuleEnum.getByValue(rule.getRule()), rule.getVal());

                            // 如果拼接方式是OR,就拼接OR
                            if (MatchTypeEnum.OR == matchType && i < (conditions.size() - 1)) {
                                andWrapper.or();
                            }
                        }
                    }
                    //return andWrapper;
                });
            } catch (UnsupportedEncodingException e) {
                log.error("--高级查询参数转码失败:" + superQueryParams, e);
            } catch (Exception e) {
                log.error("--高级查询拼接失败:" + e.getMessage());
                e.printStackTrace();
            }
            // update-end--Author:sunjianlei  Date:20200325 for:高级查询的条件要用括号括起来,防止和用户的其他条件冲突 -------
        }
        //log.info(" superQuery getCustomSqlSegment: "+ queryWrapper.getCustomSqlSegment());
    }
    /**
     * 根据所传的值 转化成对应的比较方式
     * 支持><= like in !
     * @param value
     * @return
     */
    private static QueryRuleEnum convert2Rule(Object value) {
        // 避免空数据
        if (value == null) {
            return null;
        }
        String val = (value + "").toString().trim();
        if (val.length() == 0) {
            return null;
        }
        QueryRuleEnum rule =null;

        //update-begin--Author:scott  Date:20190724 for:initQueryWrapper组装sql查询条件错误 #284-------------------
        //TODO 此处规则,只适用于 le lt ge gt
        // step 2 .>= =<
        if (rule == null && val.length() >= 3) {
            if(QUERY_SEPARATE_KEYWORD.equals(val.substring(2, 3))){
                rule = QueryRuleEnum.getByValue(val.substring(0, 2));
            }
        }
        // step 1 .> <
        if (rule == null && val.length() >= 2) {
            if(QUERY_SEPARATE_KEYWORD.equals(val.substring(1, 2))){
                rule = QueryRuleEnum.getByValue(val.substring(0, 1));
            }
        }
        //update-end--Author:scott  Date:20190724 for:initQueryWrapper组装sql查询条件错误 #284---------------------

        // step 3 like
        if (rule == null && val.contains(STAR)) {
            if (val.startsWith(STAR) && val.endsWith(STAR)) {
                rule = QueryRuleEnum.LIKE;
            } else if (val.startsWith(STAR)) {
                rule = QueryRuleEnum.LEFT_LIKE;
            } else if(val.endsWith(STAR)){
                rule = QueryRuleEnum.RIGHT_LIKE;
            }
        }
        // step 4 in
        if (rule == null && val.contains(COMMA)) {
            //TODO in 查询这里应该有个bug  如果一字段本身就是多选 此时用in查询 未必能查询出来
            rule = QueryRuleEnum.IN;
        }
        // step 5 != 
        if(rule == null && val.startsWith(NOT_EQUAL)){
            rule = QueryRuleEnum.NE;
        }
        return rule != null ? rule : QueryRuleEnum.EQ;
    }
    
    /**
     * 替换掉关键字字符
     * 
     * @param rule
     * @param value
     * @return
     */
    private static Object replaceValue(QueryRuleEnum rule, Object value) {
        if (rule == null) {
            return null;
        }
        if (! (value instanceof String)){
            return value;
        }
        String val = (value + "").toString().trim();
        if (rule == QueryRuleEnum.LIKE) {
            value = val.substring(1, val.length() - 1);
        } else if (rule == QueryRuleEnum.LEFT_LIKE || rule == QueryRuleEnum.NE) {
            value = val.substring(1);
        } else if (rule == QueryRuleEnum.RIGHT_LIKE) {
            value = val.substring(0, val.length() - 1);
        } else if (rule == QueryRuleEnum.IN) {
            value = val.split(",");
        } else {
            //update-begin--Author:scott  Date:20190724 for:initQueryWrapper组装sql查询条件错误 #284-------------------
            if(val.startsWith(rule.getValue())){
                //TODO 此处逻辑应该注释掉-> 如果查询内容中带有查询匹配规则符号,就会被截取的(比如:>=您好)
                value = val.replaceFirst(rule.getValue(),"");
            }else if(val.startsWith(rule.getCondition()+QUERY_SEPARATE_KEYWORD)){
                value = val.replaceFirst(rule.getCondition()+QUERY_SEPARATE_KEYWORD,"").trim();
            }
            //update-end--Author:scott  Date:20190724 for:initQueryWrapper组装sql查询条件错误 #284-------------------
        }
        return value;
    }
    
    private static void addQueryByRule(QueryWrapper<?> queryWrapper,String name,String type,String value,QueryRuleEnum rule) throws ParseException {
        if(oConvertUtils.isNotEmpty(value)) {
            Object temp;
            // 针对数字类型字段,多值查询
            if(value.indexOf(COMMA)!=-1){
                temp = value;
                addEasyQuery(queryWrapper, name, rule, temp);
                return;
            }

            switch (type) {
            case "class java.lang.Integer":
                temp =  Integer.parseInt(value);
                break;
            case "class java.math.BigDecimal":
                temp =  new BigDecimal(value);
                break;
            case "class java.lang.Short":
                temp =  Short.parseShort(value);
                break;
            case "class java.lang.Long":
                temp =  Long.parseLong(value);
                break;
            case "class java.lang.Float":
                temp =   Float.parseFloat(value);
                break;
            case "class java.lang.Double":
                temp =  Double.parseDouble(value);
                break;
            case "class java.util.Date":
                temp = getDateQueryByRule(value, rule);
                break;
            default:
                temp = value;
                break;
            }
            addEasyQuery(queryWrapper, name, rule, temp);
        }
    }
    
    /**
     * 获取日期类型的值
     * @param value
     * @param rule
     * @return
     * @throws ParseException
     */
    private static Date getDateQueryByRule(String value,QueryRuleEnum rule) throws ParseException {
        Date date = null;
        if(value.length()==10) {
            if(rule==QueryRuleEnum.GE) {
                //比较大于
                date = getTime().parse(value + " 00:00:00");
            }else if(rule==QueryRuleEnum.LE) {
                //比较小于
                date = getTime().parse(value + " 23:59:59");
            }
            //TODO 日期类型比较特殊 可能oracle下不一定好使
        }
        if(date==null) {
            date = getTime().parse(value);
        }
        return date;
    }
    
    /**
      * 根据规则走不同的查询
     * @param queryWrapper QueryWrapper
     * @param name         字段名字
     * @param rule         查询规则
     * @param value        查询条件值
     */
    private static void addEasyQuery(QueryWrapper<?> queryWrapper, String name, QueryRuleEnum rule, Object value) {
        if (value == null || rule == null || oConvertUtils.isEmpty(value)) {
            return;
        }
        name = oConvertUtils.camelToUnderline(name);
        log.info("--查询规则-->"+name+" "+rule.getValue()+" "+value);
        switch (rule) {
        case GT:
            queryWrapper.gt(name, value);
            break;
        case GE:
            queryWrapper.ge(name, value);
            break;
        case LT:
            queryWrapper.lt(name, value);
            break;
        case LE:
            queryWrapper.le(name, value);
            break;
        case EQ:
            queryWrapper.eq(name, value);
            break;
        case NE:
            queryWrapper.ne(name, value);
            break;
        case IN:
            if(value instanceof String) {
                queryWrapper.in(name, (Object[])value.toString().split(","));
            }else if(value instanceof String[]) {
                queryWrapper.in(name, (Object[]) value);
            }else {
                queryWrapper.in(name, value);
            }
            break;
        case LIKE:
            queryWrapper.like(name, value);
            break;
        case LEFT_LIKE:
            queryWrapper.likeLeft(name, value);
            break;
        case RIGHT_LIKE:
            queryWrapper.likeRight(name, value);
            break;
        default:
            log.info("--查询规则未匹配到---");
            break;
        }
    }
    /**
     * 
     * @param name
     * @return
     */
    private static boolean judgedIsUselessField(String name) {
        return "class".equals(name) || "ids".equals(name)
                || "page".equals(name) || "rows".equals(name)
                || "sort".equals(name) || "order".equals(name);
    }

    

    /**
     * 获取请求对应的数据权限规则
     * @return
     */
    public static Map<String, SysPermissionDataRuleModel> getRuleMap() {
        Map<String, SysPermissionDataRuleModel> ruleMap = new HashMap<String, SysPermissionDataRuleModel>();
        List<SysPermissionDataRuleModel> list =JeecgDataAutorUtils.loadDataSearchConditon();
        if(list != null&&list.size()>0){
            if(list.get(0)==null){
                return ruleMap;
            }
            for (SysPermissionDataRuleModel rule : list) {
                String column = rule.getRuleColumn();
                if(QueryRuleEnum.SQL_RULES.getValue().equals(rule.getRuleConditions())) {
                    column = SQL_RULES_COLUMN+rule.getId();
                }
                ruleMap.put(column, rule);
            }
        }
        return ruleMap;
    }
    
    private static void addRuleToQueryWrapper(SysPermissionDataRuleModel dataRule, String name, Class propertyType, QueryWrapper<?> queryWrapper) {
        QueryRuleEnum rule = QueryRuleEnum.getByValue(dataRule.getRuleConditions());
        if(rule.equals(QueryRuleEnum.IN) && ! propertyType.equals(String.class)) {
            String[] values = dataRule.getRuleValue().split(",");
            Object[] objs = new Object[values.length];
            for (int i = 0; i < values.length; i++) {
                objs[i] = NumberUtils.parseNumber(values[i], propertyType);
            }
            addEasyQuery(queryWrapper, name, rule, objs);
        }else {
            if (propertyType.equals(String.class)) {
                addEasyQuery(queryWrapper, name, rule, converRuleValue(dataRule.getRuleValue()));
            }else if (propertyType.equals(Date.class)) {
                String dateStr =converRuleValue(dataRule.getRuleValue());
                if(dateStr.length()==10){
                    addEasyQuery(queryWrapper, name, rule, DateUtils.str2Date(dateStr,DateUtils.date_sdf.get()));
                }else{
                    addEasyQuery(queryWrapper, name, rule, DateUtils.str2Date(dateStr,DateUtils.datetimeFormat.get()));
                }
            }else {
                addEasyQuery(queryWrapper, name, rule, NumberUtils.parseNumber(dataRule.getRuleValue(), propertyType));
            }
        }
    }
    
    public static String converRuleValue(String ruleValue) {
        String value = JwtUtil.getSessionData(ruleValue);
        if(oConvertUtils.isEmpty(value)) {
            value = JwtUtil.getUserSystemData(ruleValue,null);
        }
        return value!= null ? value : ruleValue;
    }

    /**
    * @author: scott
    * @Description: 去掉值前后单引号
    * @date: 2020/3/19 21:26
    * @param ruleValue: 
    * @Return: java.lang.String
    */
    public static String trimSingleQuote(String ruleValue) {
        if (oConvertUtils.isEmpty(ruleValue)) {
            return "";
        }
        if (ruleValue.startsWith(QueryGenerator.SQL_SQ)) {
            ruleValue = ruleValue.substring(1);
        }
        if (ruleValue.endsWith(QueryGenerator.SQL_SQ)) {
            ruleValue = ruleValue.substring(0, ruleValue.length() - 1);
        }
        return ruleValue;
    }
    
    public static String getSqlRuleValue(String sqlRule){
        try {
            Set<String> varParams = getSqlRuleParams(sqlRule);
            for(String var:varParams){
                String tempValue = converRuleValue(var);
                sqlRule = sqlRule.replace("#{"+var+"}",tempValue);
            }
        } catch (Exception e) {
            log.error(e.getMessage(), e);
        }
        return sqlRule;
    }
    
    /**
     * 获取sql中的#{key} 这个key组成的set
     */
    public static Set<String> getSqlRuleParams(String sql) {
        if(oConvertUtils.isEmpty(sql)){
            return null;
        }
        Set<String> varParams = new HashSet<String>();
        String regex = "\\#\\{\\w+\\}";
        
        Pattern p = Pattern.compile(regex);
        Matcher m = p.matcher(sql);
        while(m.find()){
            String var = m.group();
            varParams.add(var.substring(var.indexOf("{")+1,var.indexOf("}")));
        }
        return varParams;
    }
    
    /**
     * 获取查询条件 
     * @param field
     * @param alias
     * @param value
     * @param isString
     * @return
     */
    public static String getSingleQueryConditionSql(String field,String alias,Object value,boolean isString) {
        if (value == null) {
            return "";
        }
        field =  alias+oConvertUtils.camelToUnderline(field);
        QueryRuleEnum rule = QueryGenerator.convert2Rule(value);
        return getSingleSqlByRule(rule, field, value, isString);
    }
    
    public static String getSingleSqlByRule(QueryRuleEnum rule,String field,Object value,boolean isString) {
        String res = "";
        switch (rule) {
        case GT:
            res =field+rule.getValue()+getFieldConditionValue(value, isString);
            break;
        case GE:
            res = field+rule.getValue()+getFieldConditionValue(value, isString);
            break;
        case LT:
            res = field+rule.getValue()+getFieldConditionValue(value, isString);
            break;
        case LE:
            res = field+rule.getValue()+getFieldConditionValue(value, isString);
            break;
        case EQ:
            res = field+rule.getValue()+getFieldConditionValue(value, isString);
            break;
        case NE:
            res = field+" <> "+getFieldConditionValue(value, isString);
            break;
        case IN:
            res = field + " in "+getInConditionValue(value, isString);
            break;
        case LIKE:
            res = field + " like "+getLikeConditionValue(value);
            break;
        case LEFT_LIKE:
            res = field + " like "+getLikeConditionValue(value);
            break;
        case RIGHT_LIKE:
            res = field + " like "+getLikeConditionValue(value);
            break;
        default:
            res = field+" = "+getFieldConditionValue(value, isString);
            break;
        }
        return res;
    }
    private static String getFieldConditionValue(Object value,boolean isString) {
        String str = value.toString().trim();
        if(str.startsWith("!")) {
            str = str.substring(1);
        }else if(str.startsWith(">=")) {
            str = str.substring(2);
        }else if(str.startsWith("<=")) {
            str = str.substring(2);
        }else if(str.startsWith(">")) {
            str = str.substring(1);
        }else if(str.startsWith("<")) {
            str = str.substring(1);
        }
        if(isString) {
            if(DataBaseConstant.DB_TYPE_SQLSERVER.equals(getDbType())){
                return " N'"+str+"' ";
            }else{
                return " '"+str+"' ";
            }
        }else {
            return value.toString();
        }
    }
    
    private static String getInConditionValue(Object value,boolean isString) {
        if(isString) {
            String temp[] = value.toString().split(",");
            String res="";
            for (String string : temp) {
                if(DataBaseConstant.DB_TYPE_SQLSERVER.equals(getDbType())){
                    res+=",N'"+string+"'";
                }else{
                    res+=",'"+string+"'";
                }
            }
            return "("+res.substring(1)+")";
        }else {
            return "("+value.toString()+")";
        }
    }
    
    private static String getLikeConditionValue(Object value) {
        String str = value.toString().trim();
        if(str.startsWith("*") && str.endsWith("*")) {
            if(DataBaseConstant.DB_TYPE_SQLSERVER.equals(getDbType())){
                return "N'%"+str.substring(1,str.length()-1)+"%'";
            }else{
                return "'%"+str.substring(1,str.length()-1)+"%'";
            }
        }else if(str.startsWith("*")) {
            if(DataBaseConstant.DB_TYPE_SQLSERVER.equals(getDbType())){
                return "N'%"+str.substring(1)+"'";
            }else{
                return "'%"+str.substring(1)+"'";
            }
        }else if(str.endsWith("*")) {
            if(DataBaseConstant.DB_TYPE_SQLSERVER.equals(getDbType())){
                return "N'"+str.substring(0,str.length()-1)+"%'";
            }else{
                return "'"+str.substring(0,str.length()-1)+"%'";
            }
        }else {
            if(str.indexOf("%")>=0) {
                if(DataBaseConstant.DB_TYPE_SQLSERVER.equals(getDbType())){
                    if(str.startsWith("'") && str.endsWith("'")){
                        return "N"+str;
                    }else{
                        return "N"+"'"+str+"'";
                    }
                }else{
                    if(str.startsWith("'") && str.endsWith("'")){
                        return str;
                    }else{
                        return "'"+str+"'";
                    }
                }
            }else {
                if(DataBaseConstant.DB_TYPE_SQLSERVER.equals(getDbType())){
                    return "N'%"+str+"%'";
                }else{
                    return "'%"+str+"%'";
                }
            }
        }
    }
    
    /**
     *   根据权限相关配置生成相关的SQL 语句
     * @param searchObj
     * @param parameterMap
     * @return
     */
    @SuppressWarnings({ "unchecked", "rawtypes" })
    public static String installAuthJdbc(Class<?> clazz) {
        StringBuffer sb = new StringBuffer();
        //权限查询
        Map<String,SysPermissionDataRuleModel> ruleMap = getRuleMap();
        PropertyDescriptor origDescriptors[] = PropertyUtils.getPropertyDescriptors(clazz);
        String sql_and = " and ";
        for (String c : ruleMap.keySet()) {
            if(oConvertUtils.isNotEmpty(c) && c.startsWith(SQL_RULES_COLUMN)){
                sb.append(sql_and+getSqlRuleValue(ruleMap.get(c).getRuleValue()));
            }
        }
        String name;
        for (int i = 0; i < origDescriptors.length; i++) {
            name = origDescriptors[i].getName();
            if (judgedIsUselessField(name)) {
                continue;
            }
            if(ruleMap.containsKey(name)) {
                SysPermissionDataRuleModel dataRule = ruleMap.get(name);
                QueryRuleEnum rule = QueryRuleEnum.getByValue(dataRule.getRuleConditions());
                Class propType = origDescriptors[i].getPropertyType();
                boolean isString = propType.equals(String.class);
                Object value;
                if(isString) {
                    value = converRuleValue(dataRule.getRuleValue());
                }else {
                    value = NumberUtils.parseNumber(dataRule.getRuleValue(),propType);
                }
                String filedSql = getSingleSqlByRule(rule, oConvertUtils.camelToUnderline(name), value,isString);
                sb.append(sql_and+filedSql);
            }
        }
        log.info("query auth sql is:"+sb.toString());
        return sb.toString();
    }
    
    /**
      * 根据权限相关配置 组装mp需要的权限
     * @param searchObj
     * @param parameterMap
     * @return
     */
    public static void installAuthMplus(QueryWrapper<?> queryWrapper,Class<?> clazz) {
        //权限查询
        Map<String,SysPermissionDataRuleModel> ruleMap = getRuleMap();
        PropertyDescriptor origDescriptors[] = PropertyUtils.getPropertyDescriptors(clazz);
        for (String c : ruleMap.keySet()) {
            if(oConvertUtils.isNotEmpty(c) && c.startsWith(SQL_RULES_COLUMN)){
                queryWrapper.and(i ->i.apply(getSqlRuleValue(ruleMap.get(c).getRuleValue())));
            }
        }
        String name;
        for (int i = 0; i < origDescriptors.length; i++) {
            name = origDescriptors[i].getName();
            if (judgedIsUselessField(name)) {
                continue;
            }
            if(ruleMap.containsKey(name)) {
                addRuleToQueryWrapper(ruleMap.get(name), name, origDescriptors[i].getPropertyType(), queryWrapper);
            }
        }
    }

    /**
     * 转换sql中的系统变量
     * @param sql
     * @return
     */
    public static String convertSystemVariables(String sql){
        return getSqlRuleValue(sql);
    }

    /**
     * 获取所有配置的权限 返回sql字符串 不受字段限制 配置什么就拿到什么
     * @return
     */
    public static String getAllConfigAuth() {
        StringBuffer sb = new StringBuffer();
        //权限查询
        Map<String,SysPermissionDataRuleModel> ruleMap = getRuleMap();
        String sql_and = " and ";
        for (String c : ruleMap.keySet()) {
            SysPermissionDataRuleModel dataRule = ruleMap.get(c);
            String ruleValue = dataRule.getRuleValue();
            if(oConvertUtils.isEmpty(ruleValue)){
                continue;
            }
            if(oConvertUtils.isNotEmpty(c) && c.startsWith(SQL_RULES_COLUMN)){
                sb.append(sql_and+getSqlRuleValue(ruleValue));
            }else{
                boolean isString  = false;
                ruleValue = ruleValue.trim();
                if(ruleValue.startsWith("'") && ruleValue.endsWith("'")){
                    isString = true;
                    ruleValue = ruleValue.substring(1,ruleValue.length()-1);
                }
                QueryRuleEnum rule = QueryRuleEnum.getByValue(dataRule.getRuleConditions());
                String value = converRuleValue(ruleValue);
                String filedSql = getSingleSqlByRule(rule, c, value,isString);
                sb.append(sql_and+filedSql);
            }
        }
        log.info("query auth sql is = "+sb.toString());
        return sb.toString();
    }



    /** 当前系统数据库类型 */
    private static String DB_TYPE;
    /**
     * 获取系统数据库类型
     */
    private static String getDbType(){
        if(oConvertUtils.isNotEmpty(DB_TYPE)){
            return DB_TYPE;
        }
        try {
            ISysBaseAPI sysBaseAPI = ApplicationContextUtil.getContext().getBean(ISysBaseAPI.class);
            DB_TYPE = sysBaseAPI.getDatabaseType();
            return DB_TYPE;
        } catch (Exception e) {
            e.printStackTrace();
        }
        return DB_TYPE;
    }
    
}
最后修改:2024 年 06 月 04 日
感恩的心,感谢有你!