feat: added occupationLog stack

src/main/java/com/example/prapro2spring/controller/OccupationLogController.java

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+package com.example.prapro2spring.controller;
+
+import com.example.prapro2spring.dto.OccupationLogDTO;
+import com.example.prapro2spring.model.OccupationLog;
+import com.example.prapro2spring.service.OccupationLogDTOService;
+import com.example.prapro2spring.service.OccupationLogService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
+
+@RestController
+@RequestMapping("/api/occupationLogs")
+public class OccupationLogController {
+
+    @Autowired
+    private OccupationLogService occupationLogService;
+    @Autowired
+    private OccupationLogDTOService occupationLogDTOService;
+
+    @GetMapping
+    public List<OccupationLog> getAllOccupationLogs() {
+        return occupationLogService.findAll();
+    }
+
+    @GetMapping("/{id}")
+    public OccupationLog getOccupationLogById(@PathVariable Long id) {
+        return occupationLogService.findById(id).orElse(null);
+    }
+
+    @PostMapping
+    public OccupationLogDTO createOccupationLog(@RequestBody OccupationLogDTO occupationLog) {
+        occupationLog.setId(null);
+        return occupationLogDTOService.save(occupationLog);
+    }
+
+    @PutMapping("/{id}")
+    public OccupationLogDTO updateOccupationLog(@PathVariable Long id, @RequestBody OccupationLogDTO occupationLogDetails) {
+        OccupationLogDTO occupationLog = occupationLogDTOService.findById(id).orElse(null);
+        if (occupationLog != null) {
+            occupationLog.setOccupationId(occupationLogDetails.getOccupationId());
+            occupationLog.setPersonId(occupationLogDetails.getPersonId());
+            occupationLog.setStartTimestamp(occupationLogDetails.getStartTimestamp());
+            occupationLog.setEndTimestamp(occupationLogDetails.getEndTimestamp());
+            occupationLog.setGrade(occupationLogDetails.getGrade());
+            return occupationLogDTOService.save(occupationLog);
+        }
+        return null;
+    }
+
+    @DeleteMapping("/{id}")
+    public void deleteOccupationLog(@PathVariable Long id) {
+        occupationLogService.deleteById(id);
+    }
+}

src/main/java/com/example/prapro2spring/dto/OccupationLogDTO.java

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+package com.example.prapro2spring.dto;
+
+import com.example.prapro2spring.model.Occupation;
+import com.example.prapro2spring.model.Person;
+import jakarta.persistence.*;
+
+import java.time.LocalDateTime;
+
+@Entity
+@Table(name = "occupation_log")
+public class OccupationLogDTO {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    @Column(name = "occupationId")
+    private Long occupationId;
+
+    @Column(name = "humanId")
+    private Long personId;
+
+    @Column(name = "start_timestamp")
+    private LocalDateTime startTimestamp;
+
+    @Column(name = "end_timestamp")
+    private LocalDateTime endTimestamp;
+
+    @Column(name = "grade")
+    private Integer grade;
+
+    // getters and setters
+
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    public Long getOccupationId() {
+        return occupationId;
+    }
+
+    public void setOccupationId(Long occupationId) {
+        this.occupationId = occupationId;
+    }
+
+    public Long getPersonId() {
+        return personId;
+    }
+
+    public void setPersonId(Long personId) {
+        this.personId = personId;
+    }
+
+    public LocalDateTime getStartTimestamp() {
+        return startTimestamp;
+    }
+
+    public void setStartTimestamp(LocalDateTime startTimestamp) {
+        this.startTimestamp = startTimestamp;
+    }
+
+    public LocalDateTime getEndTimestamp() {
+        return endTimestamp;
+    }
+
+    public void setEndTimestamp(LocalDateTime endTimestamp) {
+        this.endTimestamp = endTimestamp;
+    }
+
+    public Integer getGrade() {
+        return grade;
+    }
+
+    public void setGrade(Integer grade) {
+        this.grade = grade;
+    }
+}

src/main/java/com/example/prapro2spring/service/OccupationLogDTOService.java

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+package com.example.prapro2spring.service;
+
+import com.example.prapro2spring.dto.OccupationLogDTO;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Service;
+
+@Service
+public interface OccupationLogDTOService extends JpaRepository<OccupationLogDTO, Long> {
+}

src/main/java/com/example/prapro2spring/service/OccupationLogService.java

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+package com.example.prapro2spring.service;
+
+import com.example.prapro2spring.model.OccupationLog;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Service;
+
+@Service
+public interface OccupationLogService extends JpaRepository<OccupationLog, Long> {
+}