package com.nova.sankuai.service.impl;

import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.nova.sankuai.domain.entity.RolePermission;
import com.nova.sankuai.infra.mapper.RolePermissionMapper;
import com.nova.sankuai.service.IRolePermissionService;
import lombok.AllArgsConstructor;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.util.List;
import java.util.stream.Collectors;

/**
 * <p>
 * description
 * </p>
 *
 * @author denglb 2021/11/18
 */
@Service
@AllArgsConstructor
public class RolePermissionServiceImpl extends ServiceImpl<RolePermissionMapper, RolePermission> implements IRolePermissionService {

    private RolePermissionMapper rolePermissionMapper;

    @Override
    @Transactional(rollbackFor = Exception.class)
    public void assignPermissions(List<Long> permissionIds, Long roleId) {
        rolePermissionMapper.deleteByRoleId(roleId);
        if (permissionIds.size() > 0) {
            permissionIds = permissionIds.stream().distinct().collect(Collectors.toList());
            rolePermissionMapper.assignPermissions(permissionIds, roleId);
        }
    }
}