package com.iailab.module.infra.service.demo;
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import org.springframework.stereotype.Service;
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import javax.annotation.Resource;
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import org.springframework.validation.annotation.Validated;
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import org.springframework.transaction.annotation.Transactional;
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import java.util.*;
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import com.iailab.module.infra.controller.admin.demo.vo.*;
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import com.iailab.module.infra.dal.dataobject.demo.InfraStudentDO;
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import com.iailab.module.infra.dal.dataobject.demo.InfraStudentContactDO;
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import com.iailab.module.infra.dal.dataobject.demo.InfraStudentTeacherDO;
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import com.iailab.framework.common.pojo.PageResult;
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import com.iailab.framework.common.pojo.PageParam;
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import com.iailab.framework.common.util.object.BeanUtils;
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import com.iailab.module.infra.dal.mysql.demo.InfraStudentMapper;
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import com.iailab.module.infra.dal.mysql.demo.InfraStudentContactMapper;
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import com.iailab.module.infra.dal.mysql.demo.InfraStudentTeacherMapper;
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import static com.iailab.framework.common.exception.util.ServiceExceptionUtil.exception;
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import static com.iailab.module.infra.enums.ErrorCodeConstants.*;
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/**
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* 学生 Service 实现类
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*
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* @author iailab
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*/
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@Service
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@Validated
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public class InfraStudentServiceImpl implements InfraStudentService {
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@Resource
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private InfraStudentMapper studentMapper;
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@Resource
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private InfraStudentContactMapper studentContactMapper;
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@Resource
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private InfraStudentTeacherMapper studentTeacherMapper;
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@Override
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public Long createStudent(InfraStudentSaveReqVO createReqVO) {
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// 插入
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InfraStudentDO student = BeanUtils.toBean(createReqVO, InfraStudentDO.class);
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studentMapper.insert(student);
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// 返回
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return student.getId();
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}
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@Override
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public void updateStudent(InfraStudentSaveReqVO updateReqVO) {
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// 校验存在
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validateStudentExists(updateReqVO.getId());
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// 更新
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InfraStudentDO updateObj = BeanUtils.toBean(updateReqVO, InfraStudentDO.class);
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studentMapper.updateById(updateObj);
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}
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@Override
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@Transactional(rollbackFor = Exception.class)
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public void deleteStudent(Long id) {
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// 校验存在
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validateStudentExists(id);
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// 删除
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studentMapper.deleteById(id);
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// 删除子表
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deleteStudentContactByStudentId(id);
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deleteStudentTeacherByStudentId(id);
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}
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private void validateStudentExists(Long id) {
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if (studentMapper.selectById(id) == null) {
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throw exception(STUDENT_NOT_EXISTS);
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}
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}
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@Override
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public InfraStudentDO getStudent(Long id) {
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return studentMapper.selectById(id);
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}
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@Override
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public PageResult<InfraStudentDO> getStudentPage(InfraStudentPageReqVO pageReqVO) {
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return studentMapper.selectPage(pageReqVO);
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}
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// ==================== 子表（学生联系人） ====================
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@Override
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public PageResult<InfraStudentContactDO> getStudentContactPage(PageParam pageReqVO, Long studentId) {
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return studentContactMapper.selectPage(pageReqVO, studentId);
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}
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@Override
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public Long createStudentContact(InfraStudentContactDO studentContact) {
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studentContactMapper.insert(studentContact);
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return studentContact.getId();
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}
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@Override
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public void updateStudentContact(InfraStudentContactDO studentContact) {
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// 校验存在
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validateStudentContactExists(studentContact.getId());
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// 更新
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studentContactMapper.updateById(studentContact);
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}
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@Override
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public void deleteStudentContact(Long id) {
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// 校验存在
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validateStudentContactExists(id);
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// 删除
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studentContactMapper.deleteById(id);
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}
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@Override
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public InfraStudentContactDO getStudentContact(Long id) {
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return studentContactMapper.selectById(id);
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}
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private void validateStudentContactExists(Long id) {
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if (studentContactMapper.selectById(id) == null) {
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throw exception(STUDENT_CONTACT_NOT_EXISTS);
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}
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}
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private void deleteStudentContactByStudentId(Long studentId) {
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studentContactMapper.deleteByStudentId(studentId);
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}
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// ==================== 子表（学生班主任） ====================
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@Override
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public PageResult<InfraStudentTeacherDO> getStudentTeacherPage(PageParam pageReqVO, Long studentId) {
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return studentTeacherMapper.selectPage(pageReqVO, studentId);
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}
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@Override
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public Long createStudentTeacher(InfraStudentTeacherDO studentTeacher) {
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// 校验是否已经存在
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if (studentTeacherMapper.selectByStudentId(studentTeacher.getStudentId()) != null) {
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throw exception(STUDENT_TEACHER_EXISTS);
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}
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// 插入
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studentTeacherMapper.insert(studentTeacher);
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return studentTeacher.getId();
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}
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@Override
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public void updateStudentTeacher(InfraStudentTeacherDO studentTeacher) {
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// 校验存在
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validateStudentTeacherExists(studentTeacher.getId());
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// 更新
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studentTeacherMapper.updateById(studentTeacher);
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}
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@Override
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public void deleteStudentTeacher(Long id) {
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// 校验存在
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validateStudentTeacherExists(id);
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// 删除
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studentTeacherMapper.deleteById(id);
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}
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@Override
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public InfraStudentTeacherDO getStudentTeacher(Long id) {
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return studentTeacherMapper.selectById(id);
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}
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private void validateStudentTeacherExists(Long id) {
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if (studentTeacherMapper.selectById(id) == null) {
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throw exception(STUDENT_TEACHER_NOT_EXISTS);
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}
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}
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private void deleteStudentTeacherByStudentId(Long studentId) {
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studentTeacherMapper.deleteByStudentId(studentId);
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}
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}
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