package cn.besteam.modules.system.service.impl;
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import cn.besteam.common.constant.ErrorCode;
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import cn.besteam.common.exception.BusinessException;
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import cn.besteam.common.util.oConvertUtils;
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import cn.besteam.modules.system.entity.SysPermission;
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import cn.besteam.modules.system.entity.SysRolePermission;
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import cn.besteam.modules.system.mapper.SysRolePermissionMapper;
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import cn.besteam.modules.system.service.ISysPermissionService;
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import cn.besteam.modules.system.service.ISysRolePermissionService;
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import cn.besteam.modules.system.vo.AppSysPermissionVO;
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import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
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import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Service;
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import java.util.*;
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/**
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* @Description: 角色-菜单权限
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* @author： besteam
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* @date： 2020-04-17
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* @version： V1.0
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*/
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@Service
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public class SysRolePermissionServiceImpl extends ServiceImpl<SysRolePermissionMapper, SysRolePermission> implements ISysRolePermissionService {
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private static final String APP_MANAGE_PERMISSION = "app:manage";
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@Autowired
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private ISysPermissionService sysPermissionService;
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@Override
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public void saveRolePermission(Integer roleId, String permissionIds) {
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LambdaQueryWrapper<SysRolePermission> query = new QueryWrapper<SysRolePermission>().lambda().eq(SysRolePermission::getRoleId, roleId);
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this.remove(query);
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List<SysRolePermission> list = new ArrayList<SysRolePermission>();
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String[] arr = permissionIds.split(",");
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for (String p : arr) {
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if (oConvertUtils.isNotEmpty(p)) {
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SysRolePermission rolepms = new SysRolePermission(roleId, Integer.valueOf(p));
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list.add(rolepms);
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}
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}
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this.saveBatch(list);
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}
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@Override
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public void saveRolePermission(Integer roleId, String permissionIds, String lastPermissionIds) {
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List<String> add = getDiff(lastPermissionIds, permissionIds);
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if (add != null && add.size() > 0) {
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List<SysRolePermission> list = new ArrayList<SysRolePermission>();
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for (String p : add) {
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if (oConvertUtils.isNotEmpty(p)) {
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SysRolePermission rolepms = new SysRolePermission(roleId, Integer.valueOf(p));
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list.add(rolepms);
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}
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}
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this.saveBatch(list);
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}
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List<String> delete = getDiff(permissionIds, lastPermissionIds);
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if (delete != null && delete.size() > 0) {
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for (String permissionId : delete) {
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this.remove(new QueryWrapper<SysRolePermission>().lambda().eq(SysRolePermission::getRoleId, roleId).eq(SysRolePermission::getPermissionId, permissionId));
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}
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}
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}
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@Override
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public List<AppSysPermissionVO> getAppPermissionList(Integer roleId) {
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SysPermission appManagePermission = sysPermissionService.getOne(new QueryWrapper<SysPermission>().lambda().eq(SysPermission::getPerms, APP_MANAGE_PERMISSION));
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if (appManagePermission == null) {
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throw new BusinessException(ErrorCode.ERR_500, "未授权账号");
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}
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SysRolePermission sysRolePermission = getOne(new QueryWrapper<SysRolePermission>().lambda().eq(SysRolePermission::getRoleId, roleId).eq(SysRolePermission::getPermissionId, appManagePermission.getId()));
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if (sysRolePermission == null) {
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throw new BusinessException(ErrorCode.ERR_500, "未授权账号");
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}
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List<AppSysPermissionVO> permissionVOList = new ArrayList<>();
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List<SysPermission> permissionList = sysPermissionService.list(new QueryWrapper<SysPermission>().lambda().eq(SysPermission::getParentId, appManagePermission.getId()));
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for (SysPermission sysPermission : permissionList) {
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if (getOne(new QueryWrapper<SysRolePermission>().lambda().eq(SysRolePermission::getRoleId, roleId).eq(SysRolePermission::getPermissionId, sysPermission.getId())) == null) {
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continue;
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}
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AppSysPermissionVO permissionVO = new AppSysPermissionVO();
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permissionVO.setName(sysPermission.getName());
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permissionVO.setPerms(sysPermission.getPerms());
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permissionVOList.add(permissionVO);
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}
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return permissionVOList;
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}
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/**
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* 从diff中找出main中没有的元素
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*
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* @param main
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* @param diff
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* @return
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*/
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private List<String> getDiff(String main, String diff) {
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if (oConvertUtils.isEmpty(diff)) {
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return null;
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}
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if (oConvertUtils.isEmpty(main)) {
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return Arrays.asList(diff.split(","));
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}
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String[] mainArr = main.split(",");
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String[] diffArr = diff.split(",");
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Map<String, Integer> map = new HashMap<>();
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for (String string : mainArr) {
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map.put(string, 1);
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}
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List<String> res = new ArrayList<String>();
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for (String key : diffArr) {
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if (oConvertUtils.isNotEmpty(key) && !map.containsKey(key)) {
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res.add(key);
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}
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}
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return res;
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}
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}
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