[JT-38] 회차 등록 구현

build.gradle

@@ -52,6 +52,7 @@ project(':module-domain') {
 
     dependencies {
         implementation project(':module-core')
+        implementation project(':module-domain-s3')
         implementation project(':module-domain-smtp')
         implementation project(':module-internal')
     }

module-application/src/main/java/com/devtoon/jtoon/webtoon/presentation/WebtoonController.java

@@ -1,9 +1,28 @@
 package com.devtoon.jtoon.webtoon.presentation;
 
+import org.springframework.http.HttpStatus;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.ResponseStatus;
 import org.springframework.web.bind.annotation.RestController;
 
+import com.devtoon.jtoon.webtoon.application.WebtoonService;
+import com.devtoon.jtoon.webtoon.request.CreateEpisodeReq;
+
+import jakarta.validation.Valid;
+import lombok.RequiredArgsConstructor;
+
 @RestController
+@RequiredArgsConstructor
 @RequestMapping("/webtoons")
 public class WebtoonController {
+
+	private final WebtoonService webtoonService;
+
+	@PostMapping("/{webtoonId}")
+	@ResponseStatus(HttpStatus.CREATED)
+	public void createEpisode(@PathVariable Long webtoonId, @Valid CreateEpisodeReq req) {
+		webtoonService.createEpisode(webtoonId, req);
+	}
 }

module-domain-s3/src/main/java/com/devtoon/jtoon/application/S3Service.java

@@ -0,0 +1,29 @@
+package com.devtoon.jtoon.application;
+
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Service;
+import org.springframework.web.multipart.MultipartFile;
+
+import com.devtoon.jtoon.common.FileName;
+import com.devtoon.jtoon.common.ImageType;
+import com.devtoon.jtoon.util.S3Uploader;
+
+import lombok.RequiredArgsConstructor;
+
+@Service
+@RequiredArgsConstructor
+public class S3Service {
+
+	private final S3Uploader s3Uploader;
+
+	@Value("${spring.cloud.aws.cloud-front.url}")
+	private String IMAGE_URL;
+
+	//TODO 확장자 포함
+	public String upload(ImageType imageType, String webtoonTitle, FileName fileName, MultipartFile image) {
+		String key = imageType.getPath(webtoonTitle, fileName.getValue());
+		s3Uploader.upload(key, image);
+
+		return IMAGE_URL + key;
+	}
+}

module-domain-s3/src/main/java/com/devtoon/jtoon/common/FileName.java

@@ -0,0 +1,22 @@
+package com.devtoon.jtoon.common;
+
+import java.util.UUID;
+
+import lombok.AccessLevel;
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+
+@Getter
+@RequiredArgsConstructor(access = AccessLevel.PRIVATE)
+public class FileName {
+
+	private final String value;
+
+	public static FileName forWebtoon() {
+		return new FileName(UUID.randomUUID().toString());
+	}
+
+	public static FileName forEpisode(int no) {
+		return new FileName(String.format("%04d_", no) + UUID.randomUUID());
+	}
+}

module-domain-s3/src/main/java/com/devtoon/jtoon/common/ImageType.java

@@ -0,0 +1,19 @@
+package com.devtoon.jtoon.common;
+
+import lombok.AccessLevel;
+import lombok.RequiredArgsConstructor;
+
+@RequiredArgsConstructor(access = AccessLevel.PRIVATE)
+public enum ImageType {
+
+	WEBTOON_THUMBNAIL("webtoons/%s/thumbnail/%s"),
+	EPISODE_MAIN("webtoons/%s/episodes/main/%s"),
+	EPISODE_THUMBNAIL("webtoons/%s/episodes/thumbnail/%s"),
+	;
+
+	private final String pathFormat;
+
+	public String getPath(String webtoonTitle, String filename) {
+		return String.format(pathFormat, webtoonTitle, filename);
+	}
+}

module-domain-s3/src/main/java/com/devtoon/jtoon/S3Uploader.java → module-domain-s3/src/main/java/com/devtoon/jtoon/util/S3Uploader.java

@@ -1,8 +1,6 @@
-package com.devtoon.jtoon;
+package com.devtoon.jtoon.util;
 
-import java.io.File;
 import java.io.IOException;
-import java.util.UUID;
 
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Component;
@@ -21,9 +19,7 @@ public class S3Uploader {
 	@Value("${spring.cloud.aws.s3.bucket}")
 	private String BUCKET;
 
-	public void upload(String directory, MultipartFile file) {
-		String key = directory + File.separator + UUID.randomUUID();
-
+	public void upload(String key, MultipartFile file) {
 		try {
 			s3Template.upload(
 				BUCKET,
@@ -35,4 +31,6 @@ public void upload(String directory, MultipartFile file) {
 			throw new RuntimeException(e);
 		}
 	}
+
+	//TODO 업로드는 성공했지만, 비즈니스 로직 실패 시 delete 처리 추가
 }

module-domain/src/main/java/com/devtoon/jtoon/webtoon/application/WebtoonService.java

@@ -1,7 +1,50 @@
 package com.devtoon.jtoon.webtoon.application;
 
+import static com.devtoon.jtoon.common.ImageType.*;
+
 import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import com.devtoon.jtoon.application.S3Service;
+import com.devtoon.jtoon.common.FileName;
+import com.devtoon.jtoon.webtoon.entity.Episode;
+import com.devtoon.jtoon.webtoon.entity.Webtoon;
+import com.devtoon.jtoon.webtoon.repository.EpisodeRepository;
+import com.devtoon.jtoon.webtoon.repository.WebtoonRepository;
+import com.devtoon.jtoon.webtoon.request.CreateEpisodeReq;
+
+import lombok.RequiredArgsConstructor;
 
 @Service
+@RequiredArgsConstructor
+@Transactional(readOnly = true)
 public class WebtoonService {
+
+	private final WebtoonRepository webtoonRepository;
+	private final EpisodeRepository episodeRepository;
+	private final S3Service s3Service;
+
+	@Transactional
+	public void createEpisode(Long webtoonId, CreateEpisodeReq req) {
+		Webtoon webtoon = getWebtoonById(webtoonId);
+		String mainUrl = s3Service.upload(
+			EPISODE_MAIN,
+			webtoon.getTitle(),
+			FileName.forEpisode(req.no()),
+			req.mainImage()
+		);
+		String thumbnailUrl = s3Service.upload(
+			EPISODE_THUMBNAIL,
+			webtoon.getTitle(),
+			FileName.forEpisode(req.no()),
+			req.thumbnailImage()
+		);
+		Episode episode = req.toEntity(webtoon, mainUrl, thumbnailUrl);
+		episodeRepository.save(episode);
+	}
+
+	private Webtoon getWebtoonById(Long webtoonId) {
+		return webtoonRepository.findById(webtoonId)
+			.orElseThrow(() -> new RuntimeException("존재하는 웹툰이 아닙니다."));
+	}
 }

module-domain/src/main/java/com/devtoon/jtoon/webtoon/entity/Episode.java

@@ -37,16 +37,16 @@ public class Episode extends BaseTimeEntity {
 	@Column(name = "no", nullable = false)
 	private int no;
 
-	@Column(name = "title", nullable = false, unique = true, length = 30)
+	@Column(name = "title", nullable = false, length = 30)
 	private String title;
 
+	@Column(name = "main_url", nullable = false, length = 65535)
+	private String mainUrl;
+
 	@ColumnDefault("'default thumbnail url'")
 	@Column(name = "thumbnail_url", nullable = false, length = 65535)
 	private String thumbnailUrl = "default thumbnail url";
 
-	@Column(name = "webtoon_url", nullable = false, length = 65535)
-	private String webtoonUrl;
-
 	@ColumnDefault("1")
 	@Column(name = "has_comment", nullable = false)
 	private boolean hasComment;
@@ -62,8 +62,8 @@ public class Episode extends BaseTimeEntity {
 	private Episode(
 		int no,
 		String title,
+		String mainUrl,
 		String thumbnailUrl,
-		String webtoonUrl,
 		boolean hasComment,
 		LocalDateTime openedAt,
 		Webtoon webtoon
@@ -74,8 +74,8 @@ private Episode(
 
 		this.no = no;
 		this.title = requireNonNull(title, "title is null");
+		this.mainUrl = requireNonNull(mainUrl, "mainUrl is null");
 		this.thumbnailUrl = thumbnailUrl;
-		this.webtoonUrl = requireNonNull(webtoonUrl, "webtoonUrl is null");
 		this.hasComment = hasComment;
 		this.openedAt = requireNonNull(openedAt, "openedAt is null");
 		this.webtoon = requireNonNull(webtoon, "webtoon is null");

module-domain/src/main/java/com/devtoon/jtoon/webtoon/request/CreateEpisodeReq.java

@@ -0,0 +1,35 @@
+package com.devtoon.jtoon.webtoon.request;
+
+import java.time.LocalDateTime;
+
+import org.springframework.web.multipart.MultipartFile;
+
+import com.devtoon.jtoon.webtoon.entity.Episode;
+import com.devtoon.jtoon.webtoon.entity.Webtoon;
+
+import jakarta.validation.constraints.Min;
+import jakarta.validation.constraints.NotBlank;
+import jakarta.validation.constraints.NotNull;
+import jakarta.validation.constraints.Size;
+
+public record CreateEpisodeReq(
+	@Min(1) int no,
+	@NotBlank @Size(max = 30) String title,
+	boolean hasComment,
+	@NotNull LocalDateTime openedAt,
+	@NotNull MultipartFile mainImage,
+	MultipartFile thumbnailImage
+) {
+
+	public Episode toEntity(Webtoon webtoon, String mainUrl, String thumbnailUrl) {
+		return Episode.builder()
+			.no(no)
+			.title(title)
+			.hasComment(hasComment)
+			.openedAt(openedAt)
+			.mainUrl(mainUrl)
+			.thumbnailUrl(thumbnailUrl)
+			.webtoon(webtoon)
+			.build();
+	}
+}