feat: 사원 정보수정 기능 추가

.gitignore

@@ -1,5 +1,5 @@
 # Compiled class file
-*.class
+#*.class
 
 # Log file
 *.log

src/main/java/app/api/controller/EmpAPIController.java

@@ -0,0 +1,25 @@
+package app.api.controller;
+
+import app.dto.EmpDto;
+import app.entity.Dept;
+import app.entity.Emp;
+import app.repository.EmpRepository;
+import app.service.EmpService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.web.bind.annotation.*;
+
+@RequiredArgsConstructor
+@RestController
+@RequestMapping("/api")
+public class EmpAPIController {
+
+    private final EmpService empService;
+
+    @PutMapping("/emp/{empno}")
+    public EmpDto updateEmp(@RequestBody EmpDto updateEmp, @PathVariable("empno") Integer empno) {
+
+        Emp emp = empService.updateEmp(updateEmp, empno);
+
+        return EmpDto.from(emp);
+    }
+}

src/main/java/app/dto/EmpDto.java

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+package app.dto;
+
+import app.entity.Emp;
+import lombok.Getter;
+import lombok.ToString;
+
+import java.time.LocalDate;
+
+@ToString
+@Getter
+public class EmpDto {
+    private Integer empno;
+    private String ename;
+    private String job;
+    private Integer mgr;
+    private LocalDate hiredate;
+    private Double sal;
+    private Double comm;
+    private Integer deptno;
+
+    public EmpDto(Integer empno, String ename, String job, Integer mgr, LocalDate hiredate, Double sal, Double comm, Integer deptno) {
+        this.empno = empno;
+        this.ename = ename;
+        this.job = job;
+        this.mgr = mgr;
+        this.hiredate = hiredate;
+        this.sal = sal;
+        this.comm = comm;
+        this.deptno = deptno;
+    }
+
+    public static EmpDto of(Integer empno, String ename, String job, Integer mgr, LocalDate hiredate, Double sal, Double comm, Integer deptno) {
+        return new EmpDto(empno, ename, job, mgr, hiredate, sal, comm, deptno);
+    }
+
+    public static EmpDto from(Emp emp){
+        return of(emp.getEmpno(), emp.getEname(), emp.getJob(), emp.getMgr(), emp.getHiredate(), emp.getSal(), emp.getComm(), emp.getDept().getDeptno());
+    }
+}
+
+
+
+

src/main/java/app/entity/Emp.java

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+package app.entity;
+
+import app.dto.EmpDto;
+import app.entity.Dept;
+import jakarta.persistence.*;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.ToString;
+
+import java.time.LocalDate;
+
+@NoArgsConstructor
+@Getter
+@ToString
+@Builder
+@Entity
+public class Emp {
+    @Id
+    @Column(name = "empno")
+    private Integer empno;
+
+    @Column(name = "ename")
+    private String ename;
+
+    @Column(name = "job")
+    private String job;
+
+    @Column(name = "mgr")
+    private Integer mgr;
+
+    @Column(name = "hiredate")
+    private LocalDate hiredate;
+
+    @Column(name = "sal")
+    private Double sal;
+
+    @Column(name = "comm")
+    private Double comm;
+
+    @ManyToOne
+    @JoinColumn(name = "deptno")
+    private Dept dept;
+
+    @Builder
+    public Emp(int empno, String ename, String job, Integer mgr, LocalDate hiredate, Double sal, Double comm, Dept dept) {
+        this.empno = empno;
+        this.ename = ename;
+        this.job = job;
+        this.mgr = mgr;
+        this.hiredate = hiredate;
+        this.sal = sal;
+        this.comm = comm;
+        this.dept = dept;
+    }
+
+    public void updateInfo(EmpDto updateEmp, Dept updateDept) {
+        this.empno = updateEmp.getEmpno();
+        this.ename = updateEmp.getEname();
+        this.job = updateEmp.getJob();
+        this.mgr = updateEmp.getMgr();
+        this.hiredate = updateEmp.getHiredate();
+        this.sal = updateEmp.getSal();
+        this.comm = updateEmp.getComm();
+        this.dept = updateDept;
+    }
+}

src/main/java/app/service/EmpService.java

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+package app.service;
+
+import app.dto.EmpDto;
+import app.entity.Dept;
+import app.entity.Emp;
+import app.repository.DeptRepository;
+import app.repository.EmpRepository;
+import jakarta.persistence.EntityNotFoundException;
+import jakarta.transaction.Transactional;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.springframework.web.bind.annotation.PathVariable;
+
+@RequiredArgsConstructor
+@Service
+public class EmpService {
+
+    private final EmpRepository empRepository;
+    private final DeptRepository deptRepository;
+
+    @Transactional
+    public Emp updateEmp(EmpDto updateEmp, Integer empno) {
+        Emp emp = empRepository.findById(empno)
+                .orElseThrow(() -> new EntityNotFoundException("해당 직원의 정보가 존재하지 않습니다."));
+        Dept dept =deptRepository.findById(updateEmp.getDeptno())
+                .orElseThrow(() -> new EntityNotFoundException("해당 부서가 존재하지 않습니다."));
+
+        emp.updateInfo(updateEmp, dept);
+
+        return emp;
+    }
+}