Merge pull request #27 from UMC-HACKATHON-SnapSpot/feat/#21

feat: Visit 저장/조회 추가

src/main/java/com/umc/hackaton/snapspot/visit/controller/VisitController.java

@@ -0,0 +1,26 @@
+package com.umc.hackaton.snapspot.visit.controller;
+
+import com.umc.hackaton.snapspot.visit.dto.VisitRequestDto;
+import com.umc.hackaton.snapspot.visit.service.VisitService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+
+@RestController
+@RequestMapping("/api/v1/visit")
+@RequiredArgsConstructor
+public class VisitController {
+
+    private final VisitService visitService;
+
+    @PostMapping
+    public ResponseEntity<?> saveVisit(@RequestBody VisitRequestDto dto) {
+        try {
+            visitService.saveVisit(dto);
+            return ResponseEntity.ok().body("스팟 방문 저장 성공.");
+        } catch (Exception e) {
+            return ResponseEntity.status(HttpStatus.BAD_REQUEST).body("스팟 방문 저장에 실패하였습니다.");
+        }
+    }
+}

src/main/java/com/umc/hackaton/snapspot/visit/dto/VisitDto.java

@@ -0,0 +1,21 @@
+package com.umc.hackaton.snapspot.visit.dto;
+
+import com.umc.hackaton.snapspot.spot.entity.Spot;
+import com.umc.hackaton.snapspot.user.entity.User;
+import com.umc.hackaton.snapspot.visit.entity.Visit;
+import lombok.Getter;
+import lombok.Setter;
+
+@Getter
+@Setter
+public class VisitDto {
+    private Spot spot;
+    private User user;
+
+    public Visit toEntity() {
+        return Visit.builder()
+                .spot(spot)
+                .user(user)
+                .build();
+    }
+}

src/main/java/com/umc/hackaton/snapspot/visit/dto/VisitRequestDto.java

@@ -0,0 +1,12 @@
+package com.umc.hackaton.snapspot.visit.dto;
+
+import lombok.Getter;
+import lombok.Setter;
+
+@Getter
+@Setter
+public class VisitRequestDto {
+    private Long spotId;
+    private Long userId;
+
+}

src/main/java/com/umc/hackaton/snapspot/visit/dto/VisitResponseDto.java

@@ -0,0 +1,21 @@
+package com.umc.hackaton.snapspot.visit.dto;
+
+import com.umc.hackaton.snapspot.visit.entity.Visit;
+import lombok.Builder;
+import lombok.Getter;
+
+@Getter
+@Builder
+public class VisitResponseDto {
+    private Long id;
+    private Long spotId;
+    private Long userId;
+
+    public static VisitResponseDto fromEntity(Visit visit) {
+        return VisitResponseDto.builder()
+                .id(visit.getId())
+                .spotId(visit.getSpot().getId())
+                .userId(visit.getUser().getId())
+                .build();
+    }
+}

src/main/java/com/umc/hackaton/snapspot/visit/entity/Visit.java

@@ -0,0 +1,30 @@
+package com.umc.hackaton.snapspot.visit.entity;
+
+import com.umc.hackaton.snapspot.config.entity.BaseEntity;
+import com.umc.hackaton.snapspot.spot.entity.Spot;
+import com.umc.hackaton.snapspot.user.entity.User;
+import jakarta.persistence.*;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Entity
+@Builder
+@Getter
+@NoArgsConstructor
+@AllArgsConstructor
+public class Visit extends BaseEntity {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    @ManyToOne
+    @JoinColumn(name = "spot_id")
+    private Spot spot;
+
+    @ManyToOne
+    @JoinColumn(name = "user_id")
+    private User user;
+}

src/main/java/com/umc/hackaton/snapspot/visit/repository/VisitRepository.java

@@ -0,0 +1,11 @@
+package com.umc.hackaton.snapspot.visit.repository;
+
+import com.umc.hackaton.snapspot.visit.entity.Visit;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+import java.util.Optional;
+
+public interface VisitRepository extends JpaRepository<Visit, Long> {
+
+    Optional<Visit> findBySpotId(Long spotId);
+}

src/main/java/com/umc/hackaton/snapspot/visit/service/VisitService.java

@@ -0,0 +1,54 @@
+package com.umc.hackaton.snapspot.visit.service;
+
+import com.umc.hackaton.snapspot.spot.entity.Spot;
+import com.umc.hackaton.snapspot.spot.repository.SpotRepository;
+import com.umc.hackaton.snapspot.user.entity.User;
+import com.umc.hackaton.snapspot.user.repository.UserRepository;
+import com.umc.hackaton.snapspot.visit.dto.VisitDto;
+import com.umc.hackaton.snapspot.visit.dto.VisitRequestDto;
+import com.umc.hackaton.snapspot.visit.dto.VisitResponseDto;
+import com.umc.hackaton.snapspot.visit.entity.Visit;
+import com.umc.hackaton.snapspot.visit.repository.VisitRepository;
+import jakarta.transaction.Transactional;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+import java.util.Optional;
+
+@Service
+@RequiredArgsConstructor
+public class VisitService {
+
+    private final VisitRepository visitRepository;
+    private final UserRepository userRepository;
+    private final SpotRepository spotRepository;
+
+    @Transactional
+    public void saveVisit(VisitRequestDto dto) {
+
+        User user = userRepository.findById(dto.getUserId())
+                .orElseThrow(() -> new IllegalArgumentException("사용자를 찾을 수 없습니다."));
+
+        Spot spot = spotRepository.findById(dto.getSpotId())
+                .orElseThrow(() -> new IllegalArgumentException("스팟을 찾을 수 없습니다."));
+
+        VisitDto visitDto = new VisitDto();
+        visitDto.setUser(user);
+        visitDto.setSpot(spot);
+
+        visitRepository.save(visitDto.toEntity());
+
+    }
+
+    @Transactional
+    public VisitResponseDto getVisit(Long spotId) {
+        Optional<Visit> visit = visitRepository.findBySpotId(spotId);
+
+       if (visit.isEmpty()) {
+            throw new IllegalArgumentException("해당 스팟에 대한 방문 정보가 없습니다.");
+        }
+
+        return VisitResponseDto.fromEntity(visit.get());
+    }
+}