package com.gkhy.exam.system.service.impl;
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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import com.gkhy.exam.common.api.CommonPage;
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import com.gkhy.exam.common.config.MinioConfig;
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import com.gkhy.exam.common.constant.UserConstant;
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import com.gkhy.exam.common.domain.entity.SysUser;
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import com.gkhy.exam.common.enums.PrivatizeEnum;
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import com.gkhy.exam.common.enums.ResourceTypeEnum;
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import com.gkhy.exam.common.enums.UserTypeEnum;
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import com.gkhy.exam.common.exception.ApiException;
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import com.gkhy.exam.common.utils.PageUtils;
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import com.gkhy.exam.common.utils.SecurityUtils;
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import com.gkhy.exam.system.domain.ExResource;
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import com.gkhy.exam.system.mapper.ExResourceMapper;
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import com.gkhy.exam.system.service.ExResourceService;
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import com.gkhy.exam.system.service.SysCommonService;
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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 org.springframework.transaction.annotation.Transactional;
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import java.util.List;
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/**
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* <p>
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* 课程资源表 服务实现类
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* </p>
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*
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* @author kzy
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* @since 2024-06-06 10:25:36
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*/
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@Service
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public class ExResourceServiceImpl extends ServiceImpl<ExResourceMapper, ExResource> implements ExResourceService {
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@Autowired
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private SysCommonService commonService;
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@Autowired
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private MinioConfig minioConfig;
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@Override
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public CommonPage selectResourseList(ExResource resource) {
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SysUser currentUser = SecurityUtils.getLoginUser().getUser();
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if(!currentUser.getUserType().equals(UserTypeEnum.SYSTEM_USER.getCode())){
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resource.setCompanyId(currentUser.getCompanyId());
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}
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PageUtils.startPage();
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List<ExResource> resourceList=baseMapper.selectResourceList(resource);
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resourceList.forEach(item -> {
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item.setResourcePath(minioConfig.getEndpoint()+minioConfig.getBucketName()+"/"+item.getResourcePath());
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});
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return CommonPage.restPage(resourceList);
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}
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@Override
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public ExResource selectResourceById(Long resourceId) {
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ExResource resource= baseMapper.selectResourceById(resourceId);
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if(resource==null){
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return resource;
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}
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resource.setResourcePath(minioConfig.getEndpoint()+minioConfig.getBucketName()+"/"+resource.getResourcePath());
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if(resource.getPrivatize().equals(PrivatizeEnum.PUBLIC.getCode())){
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return resource;
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}
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SysUser currentUser=SecurityUtils.getLoginUser().getUser();
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if(currentUser.getUserType().equals(UserTypeEnum.SYSTEM_USER.getCode())){
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return resource;
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}
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if(!resource.getCompanyId().equals(currentUser.getCompanyId())){
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throw new ApiException("无权限查看其它企业资源");
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}
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return resource;
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}
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@Override
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public ExResource selectResourceByPeriodId(Long periodId) {
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ExResource resource= baseMapper.selectResourceByPeriodId(periodId);
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if(resource==null){
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return resource;
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}
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resource.setResourcePath(minioConfig.getEndpoint()+minioConfig.getBucketName()+"/"+resource.getResourcePath());
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if(resource.getPrivatize().equals(PrivatizeEnum.PUBLIC.getCode())){
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return resource;
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}
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SysUser currentUser=SecurityUtils.getLoginUser().getUser();
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if(currentUser.getUserType().equals(UserTypeEnum.SYSTEM_USER.getCode())){
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return resource;
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}
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if(!resource.getCompanyId().equals(currentUser.getCompanyId())){
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throw new ApiException("无权限查看其它企业资源");
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}
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return resource;
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}
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@Override
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public int insertResource(ExResource resource) {
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if(resource.getResourceType().equals(ResourceTypeEnum.VIDEO.getCode())||resource.getResourceType().equals(ResourceTypeEnum.AUDIO.getCode())){
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if(resource.getResourceLength()==null){
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throw new ApiException("视频或者音频时长不能为空");
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}
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}else{
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if(resource.getDocPage()==null){
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throw new ApiException("文档页数不能为空");
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}
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}
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SysUser user=SecurityUtils.getLoginUser().getUser();
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if(user.getUserType().equals(UserTypeEnum.SYSTEM_USER.getCode())){
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resource.setPrivatize(PrivatizeEnum.PUBLIC.getCode());
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}else{
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resource.setCompanyId(user.getCompanyId());
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}
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checkUserAllowed(resource);
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if(!checkNameUnique(resource)){
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throw new ApiException("资源名称已存在");
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}
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resource.setCreateBy(SecurityUtils.getUsername());
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int row=baseMapper.insert(resource);
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if(row<1){
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throw new ApiException("新增资源失败");
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}
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return row;
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}
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@Override
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public int updateResource(ExResource resource) {
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if(resource.getResourceType().equals(ResourceTypeEnum.VIDEO.getCode())||resource.getResourceType().equals(ResourceTypeEnum.AUDIO.getCode())){
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if(resource.getResourceLength()==null){
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throw new ApiException("视频或者音频时长不能为空");
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}
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}else{
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if(resource.getDocPage()==null){
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throw new ApiException("文档页数不能为空");
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}
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}
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checkUserAllowed(resource);
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if(!checkNameUnique(resource)){
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throw new ApiException("资源名称已存在");
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}
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String resourcePath=resource.getResourcePath();
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if(resourcePath.startsWith(minioConfig.getEndpoint()+minioConfig.getBucketName()+"/")) {
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resourcePath = resourcePath.replace(minioConfig.getEndpoint()+minioConfig.getBucketName() + "/", "");
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resource.setResourcePath(resourcePath);
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}
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int row=baseMapper.updateById(resource);
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if(row<1){
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throw new ApiException("更新资源失败");
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}
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return row;
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}
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public void checkUserAllowed(ExResource resource) {
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SysUser currentUser= SecurityUtils.getLoginUser().getUser();
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if(currentUser.getUserType().equals(UserTypeEnum.SYSTEM_USER.getCode())){
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return;
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}
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if(currentUser.getUserType().equals(UserTypeEnum.STUDENT.getCode())){
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throw new ApiException("没有权限操作");
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}
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if(resource.getCompanyId()!=null&&!currentUser.getCompanyId().equals(resource.getCompanyId())){
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throw new ApiException("没有权限操作其他企业资源");
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}
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}
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@Override
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@Transactional(rollbackFor = RuntimeException.class)
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public int deleteResourceById(Long resourceId) {
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checkUserAllowed(baseMapper.selectById(resourceId));
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//校验资源是否绑定
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int count= baseMapper.checkResourceAssign(resourceId);
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if(count>0){
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throw new ApiException("资源已跟课时关联，不能删除");
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}
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ExResource resource=getById(resourceId);
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int row=baseMapper.deleteById(resourceId);
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if(row<1){
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throw new ApiException("删除资源失败");
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}
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//删除文件
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commonService.removeMinioFile(resourceId,resource.getResourcePath());
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return row;
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}
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@Override
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public boolean checkNameUnique(ExResource resource) {
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Long resourceId=resource.getId()==null?-1L:resource.getId();
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ExResource res= baseMapper.checkNameUnique(resource.getName(),resource.getCompanyId());
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if(res!=null&&res.getId().longValue()!=resourceId.longValue()){
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return UserConstant.NOT_UNIQUE;
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}
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return UserConstant.UNIQUE;
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}
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}
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