[Backend : Feat] 여행 후 사용자가 사진을 저장하는 기능 구현

[Backend : Feat] 여행 후 사용자가 사진을 저장하는 기능 구현

backend/src/main/java/com/isp/backend/domain/scheduleImage/controller/ScheduleImageController.java

@@ -0,0 +1,24 @@
+package com.isp.backend.domain.scheduleImage.controller;
+
+import com.isp.backend.domain.scheduleImage.dto.SaveScheduleImageRequest;
+import com.isp.backend.domain.scheduleImage.dto.SaveScheduleImageResponse;
+import com.isp.backend.domain.scheduleImage.service.SaveImageService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.http.HttpStatus;
+import org.springframework.web.bind.annotation.*;
+import org.springframework.web.multipart.MultipartFile;
+
+@RestController
+@RequiredArgsConstructor
+@RequestMapping("/scheduleImages")
+public class ScheduleImageController {
+
+    private final SaveImageService saveImageService;
+
+    @PostMapping
+    @ResponseStatus(HttpStatus.CREATED)
+    public SaveScheduleImageResponse create(@RequestPart(value = "image", required = false) MultipartFile image,
+            @RequestPart(value = "saveScheduleImageRequest") SaveScheduleImageRequest request) {
+        return saveImageService.save(request, image);
+    }
+}

backend/src/main/java/com/isp/backend/domain/scheduleImage/dto/SaveScheduleImageRequest.java

@@ -0,0 +1,19 @@
+package com.isp.backend.domain.scheduleImage.dto;
+
+import com.fasterxml.jackson.annotation.JsonFormat;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+import java.time.LocalDateTime;
+
+@Getter
+@NoArgsConstructor
+public class SaveScheduleImageRequest {
+    private Long scheduleId;
+    @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss")
+    private LocalDateTime saveDate;
+
+    public Long scheduleId() {
+        return scheduleId;
+    }
+}

backend/src/main/java/com/isp/backend/domain/scheduleImage/dto/SaveScheduleImageResponse.java

@@ -0,0 +1,13 @@
+package com.isp.backend.domain.scheduleImage.dto;
+
+import com.isp.backend.domain.scheduleImage.entity.ScheduleImage;
+import lombok.Getter;
+
+@Getter
+public final class SaveScheduleImageResponse {
+    private final ScheduleImage scheduleImage;
+
+    public SaveScheduleImageResponse(ScheduleImage scheduleImage) {
+        this.scheduleImage = scheduleImage;
+    }
+}

backend/src/main/java/com/isp/backend/domain/scheduleImage/entity/ScheduleImage.java

@@ -0,0 +1,27 @@
+package com.isp.backend.domain.scheduleImage.entity;
+
+import com.isp.backend.domain.schedule.entity.Schedule;
+import jakarta.persistence.*;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Entity
+@Getter
+@NoArgsConstructor
+@Table(name = "schedule_image")
+public class ScheduleImage {
+
+	@Id
+	@GeneratedValue(strategy = GenerationType.IDENTITY)
+	private Long id;
+
+	@ManyToOne
+	@JoinColumn(name = "schedule_id")
+	private Schedule schedule;
+	private String path;
+
+	public ScheduleImage(Schedule schedule, String path) {
+		this.schedule = schedule;
+		this.path = path;
+	}
+}

backend/src/main/java/com/isp/backend/domain/scheduleImage/repository/ScheduleImageRepository.java

@@ -0,0 +1,7 @@
+package com.isp.backend.domain.scheduleImage.repository;
+
+import com.isp.backend.domain.scheduleImage.entity.ScheduleImage;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface ScheduleImageRepository extends JpaRepository<ScheduleImage, Long> {
+}

backend/src/main/java/com/isp/backend/domain/scheduleImage/repository/ScheduleImageS3Repository.java

@@ -0,0 +1,51 @@
+package com.isp.backend.domain.scheduleImage.repository;
+
+import com.isp.backend.domain.scheduleImage.dto.SaveScheduleImageRequest;
+import io.awspring.cloud.s3.S3Resource;
+import io.awspring.cloud.s3.S3Template;
+import lombok.AccessLevel;
+import lombok.experimental.FieldDefaults;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Repository;
+import org.springframework.web.multipart.MultipartFile;
+
+import java.io.IOException;
+import java.io.InputStream;
+
+@Repository
+@FieldDefaults(level = AccessLevel.PRIVATE, makeFinal = true)
+public class ScheduleImageS3Repository {
+	private static final String IMAGE = "HowAboutTrip-Backend-ScheduleImage/";
+	private static final String SLASH = "/";
+
+	private final S3Template s3template;
+	private final String bucketName;
+
+	public ScheduleImageS3Repository(S3Template s3template,
+									 @Value("${spring.cloud.aws.s3.bucket}") String bucketName) {
+		this.s3template = s3template;
+		this.bucketName = bucketName;
+	}
+
+	public String save(SaveScheduleImageRequest request, MultipartFile image) {
+		String path = IMAGE + request.scheduleId() + SLASH + image.getOriginalFilename();
+        S3Resource result = s3template.upload(bucketName, path, getInputStream(image));
+        return getUrl(result);
+    }
+
+	private InputStream getInputStream(MultipartFile image) {
+		try {
+			return image.getInputStream();
+		} catch (IOException e) {
+			throw new RuntimeException("Error getting input stream from MultipartFile", e);
+		}
+	}
+
+	private String getUrl(S3Resource s3Resource) {
+		try {
+			return s3Resource.getURL().toString();
+		} catch (IOException e) {
+			throw new RuntimeException("Error getting URL from S3Resource", e);
+		}
+	}
+}

backend/src/main/java/com/isp/backend/domain/scheduleImage/service/SaveImageService.java

@@ -0,0 +1,10 @@
+package com.isp.backend.domain.scheduleImage.service;
+
+import com.isp.backend.domain.scheduleImage.dto.SaveScheduleImageRequest;
+import com.isp.backend.domain.scheduleImage.dto.SaveScheduleImageResponse;
+import org.springframework.web.multipart.MultipartFile;
+
+public interface SaveImageService {
+
+	SaveScheduleImageResponse save(SaveScheduleImageRequest request, MultipartFile image);
+}

backend/src/main/java/com/isp/backend/domain/scheduleImage/service/ScheduleImageService.java

@@ -0,0 +1,31 @@
+package com.isp.backend.domain.scheduleImage.service;
+
+import com.isp.backend.domain.schedule.entity.Schedule;
+import com.isp.backend.domain.schedule.repository.ScheduleRepository;
+import com.isp.backend.domain.scheduleImage.dto.SaveScheduleImageRequest;
+import com.isp.backend.domain.scheduleImage.dto.SaveScheduleImageResponse;
+import com.isp.backend.domain.scheduleImage.entity.ScheduleImage;
+import com.isp.backend.domain.scheduleImage.repository.ScheduleImageRepository;
+import com.isp.backend.domain.scheduleImage.repository.ScheduleImageS3Repository;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.springframework.web.multipart.MultipartFile;
+
+@Service
+@RequiredArgsConstructor
+public class ScheduleImageService implements SaveImageService {
+
+	private final ScheduleImageS3Repository scheduleImageS3Repository;
+	private final ScheduleRepository scheduleRepository;
+	private final ScheduleImageRepository scheduleImageRepository;
+
+	@Override
+	public SaveScheduleImageResponse save(SaveScheduleImageRequest request, MultipartFile image) {
+		String imagePath = scheduleImageS3Repository.save(request, image);
+		Schedule schedule = scheduleRepository.findById(request.scheduleId()).orElseThrow(IllegalArgumentException::new);
+		ScheduleImage scheduleImage = new ScheduleImage(schedule, imagePath);
+
+		scheduleImageRepository.save(scheduleImage);
+		return new SaveScheduleImageResponse(scheduleImage);
+	}
+}