package cn.iocoder.yudao.module.hrm.api.employee;
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import cn.iocoder.yudao.framework.common.util.object.BeanUtils;
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import cn.iocoder.yudao.module.hrm.api.employee.dto.HrmEmployeeSimpleDTO;
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import cn.iocoder.yudao.module.hrm.dal.dataobject.employee.HrmEmployeeDO;
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import cn.iocoder.yudao.module.hrm.dal.mysql.employee.HrmEmployeeMapper;
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import cn.iocoder.yudao.module.system.api.dept.DeptApi;
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import cn.iocoder.yudao.module.system.api.dept.dto.DeptRespDTO;
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import jakarta.annotation.Resource;
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import org.springframework.stereotype.Service;
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import java.util.Collection;
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import java.util.List;
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import java.util.Map;
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import java.util.Objects;
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/**
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* 员工档案 API 实现类
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*
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* @author 超级管理员
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*/
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@Service
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public class HrmEmployeeApiImpl implements HrmEmployeeApi {
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@Resource
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private HrmEmployeeMapper employeeMapper;
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@Resource
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private DeptApi deptApi;
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@Override
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public HrmEmployeeSimpleDTO getEmployee(Long id) {
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if (id == null) {
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return null;
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}
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HrmEmployeeDO employee = employeeMapper.selectById(id);
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if (employee == null) {
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return null;
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}
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return build(employee, getDeptName(employee.getDeptId()));
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}
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@Override
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public List<HrmEmployeeSimpleDTO> getEmployeeList(Collection<Long> ids) {
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if (ids == null || ids.isEmpty()) {
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return List.of();
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}
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List<HrmEmployeeDO> employees = employeeMapper.selectBatchIds(ids);
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if (employees.isEmpty()) {
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return List.of();
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}
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// 批量查部门，避免 N+1
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List<Long> deptIds = employees.stream().map(HrmEmployeeDO::getDeptId)
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.filter(Objects::nonNull).distinct().toList();
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Map<Long, DeptRespDTO> deptMap = deptIds.isEmpty() ? Map.of() : deptApi.getDeptMap(deptIds);
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return employees.stream()
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.map(e -> {
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DeptRespDTO dept = deptMap.get(e.getDeptId());
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return build(e, dept == null ? null : dept.getName());
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})
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.toList();
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}
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@Override
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public boolean validateEmployeeExists(Long id) {
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return id != null && employeeMapper.selectById(id) != null;
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}
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private String getDeptName(Long deptId) {
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if (deptId == null) {
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return null;
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}
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DeptRespDTO dept = deptApi.getDept(deptId);
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return dept == null ? null : dept.getName();
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}
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private static HrmEmployeeSimpleDTO build(HrmEmployeeDO employee, String deptName) {
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HrmEmployeeSimpleDTO dto = BeanUtils.toBean(employee, HrmEmployeeSimpleDTO.class);
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dto.setDeptName(deptName);
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return dto;
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}
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}
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