package com.tievd.jyz.aspect;

import com.tievd.cube.commons.utils.SystemContextUtil;
import com.tievd.cube.modules.system.model.LoginUser;
import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.springframework.stereotype.Component;

import java.lang.reflect.Field;
import java.util.Map;


@Aspect
@Component
public class PermissionFilter {
    
    /**
     * 列表查询增加用户自身的orgCode参数，以过滤数据
     * @param joinPoint
     */
    @Before("execution(* com.tievd.jyz.controller.*.*List(..)) || " +
            "execution(* com.tievd.jyz.controller.*.exportXls(..)) || execution(* com.tievd.jyz.controller.DataTableController.*(..))")
    public void beforeReq(JoinPoint joinPoint) {
        Object[] args = joinPoint.getArgs();
        if (args.length == 0) {
            return;
        }
        LoginUser user = SystemContextUtil.currentLoginUser();
        if (user == null) {
            return;
        }
        for (Object param : args) {
            try {
                Class clazz = param.getClass();
                if (param instanceof Map) {
                    ((Map) param).putIfAbsent("orgCode", user.getOrgCode());
                } else if(clazz.getPackage().getName().contains("com.tievd.jyz.entity")) {
                    Field field = clazz.getDeclaredField("orgCode");
                    field.setAccessible(true);
                    Object val = field.get(param);
                    if (val == null || val.toString().trim().equals("")) {
                        field.set(param, user.getOrgCode());
                        return;
                    }
                }
            } catch (Exception e) {
                continue;
            }
        }
    }
    
}