[BE]: 스터디 thumbnail Image CRUD 기능

backend/build.gradle

@@ -27,6 +27,8 @@ dependencies {
     implementation 'org.springframework.boot:spring-boot-starter-web'
     implementation 'org.springframework.boot:spring-boot-starter-validation'
 
+    implementation 'org.springframework.cloud:spring-cloud-starter-aws:2.2.6.RELEASE'
+
     compileOnly 'org.projectlombok:lombok'
     annotationProcessor 'org.projectlombok:lombok'
 

backend/src/main/java/com/woowacourse/moamoa/study/ImageController.java

@@ -0,0 +1,22 @@
+package com.woowacourse.moamoa.study;
+
+import java.io.IOException;
+import lombok.RequiredArgsConstructor;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.multipart.MultipartFile;
+
+@RequiredArgsConstructor
+@RestController
+public class ImageController {
+
+    private final ImageService imageService;
+
+    @PostMapping("/api/study/thumbnail")
+    public ResponseEntity<Void> upload(@RequestParam("thumbnail") MultipartFile multipartFile) throws IOException {
+        final ThumbnailImage thumbnailImage = imageService.saveUploadFile(multipartFile);
+        return ResponseEntity.ok().build();
+    }
+}

backend/src/main/java/com/woowacourse/moamoa/study/ImageService.java

@@ -0,0 +1,48 @@
+package com.woowacourse.moamoa.study;
+
+import com.amazonaws.services.s3.AmazonS3;
+import com.amazonaws.services.s3.model.CannedAccessControlList;
+import com.amazonaws.services.s3.model.ObjectMetadata;
+import com.amazonaws.services.s3.model.PutObjectRequest;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.UUID;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.transaction.annotation.Transactional;
+import org.springframework.web.multipart.MultipartFile;
+
+@Service
+@RequiredArgsConstructor
+public class ImageService {
+
+    private final AmazonS3 amazonS3;
+    private final ThumbnailRepository thumbnailRepository;
+
+    @Value("${cloud.aws.s3.bucket}")
+    private String bucket;
+
+    @Transactional
+    public ThumbnailImage saveUploadFile(MultipartFile multipartFile) throws IOException {
+        ObjectMetadata objectMetadata = new ObjectMetadata();
+        objectMetadata.setContentType(multipartFile.getContentType());
+        objectMetadata.setContentLength(multipartFile.getSize());
+
+        String originalFilename = multipartFile.getOriginalFilename();
+        int index = originalFilename.lastIndexOf(".");
+        String ext = originalFilename.substring(index + 1);
+
+        String storeFileName = UUID.randomUUID() + "." + ext;
+        String key = "thumbnail/" + storeFileName;
+
+        try (InputStream inputStream = multipartFile.getInputStream()) {
+            amazonS3.putObject(new PutObjectRequest(bucket, key, inputStream, objectMetadata)
+                    .withCannedAcl(CannedAccessControlList.PublicRead));
+        }
+
+        String storeFileUrl = amazonS3.getUrl(bucket, key).toString();
+        ThumbnailImage thumbnailImage = new ThumbnailImage(originalFilename, storeFileUrl);
+        return thumbnailRepository.save(thumbnailImage);
+    }
+}

backend/src/main/java/com/woowacourse/moamoa/study/JpaThumbnailRepository.java

@@ -0,0 +1,6 @@
+package com.woowacourse.moamoa.study;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface JpaThumbnailRepository extends JpaRepository<ThumbnailImage, Long>, ThumbnailRepository {
+}

backend/src/main/java/com/woowacourse/moamoa/study/ThumbnailImage.java

@@ -0,0 +1,26 @@
+package com.woowacourse.moamoa.study;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import lombok.AccessLevel;
+import static javax.persistence.GenerationType.IDENTITY;
+
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import javax.persistence.Id;
+
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+@Entity(name = "thumbnail_image")
+@Getter
+public class ThumbnailImage {
+
+    @Id @GeneratedValue(strategy = IDENTITY)
+    private Long id;
+    private String fileName;
+    private String fileUrl;
+
+    public ThumbnailImage(String fileName, String fileUrl) {
+        this.fileName = fileName;
+        this.fileUrl = fileUrl;
+    }
+}

backend/src/main/java/com/woowacourse/moamoa/study/ThumbnailRepository.java

@@ -0,0 +1,8 @@
+package com.woowacourse.moamoa.study;
+
+public interface ThumbnailRepository {
+
+    ThumbnailImage save(ThumbnailImage thumbnailImage);
+
+    ThumbnailImage findByFileName(String fileName);
+}

backend/src/main/resources/application.yml

@@ -15,3 +15,16 @@ spring:
     url: jdbc:h2:mem://localhost/~/testdb;MODE=MYSQL
   profiles:
     include: security
+  servlet:
+    multipart:
+      max-file-size: 100MB
+      max-request-size: 100MB
+
+cloud:
+  aws:
+    region:
+      static: ap-northeast-2
+    stack:
+      auto: false
+    s3:
+      bucket: 2022-moamoa-thumbnail

backend/src/main/resources/schema.sql

@@ -1,3 +1,10 @@
+CREATE TABLE IF NOT EXISTS thumbnail_image
+(
+    id BIGINT PRIMARY KEY AUTO_INCREMENT,
+    file_name VARCHAR(50) NOT NULL,
+    file_url VARCHAR(50) NOT NULL
+);
+
 CREATE TABLE IF NOT EXISTS member
 (
     id          BIGINT PRIMARY KEY AUTO_INCREMENT,
@@ -66,7 +73,7 @@ CREATE TABLE IF NOT EXISTS tag
     description VARCHAR(255) NOT NULL,
     category_id BIGINT,
     FOREIGN KEY (category_id) REFERENCES category (id)
-);
+    );
 
 CREATE TABLE IF NOT EXISTS study_tag
 (
@@ -100,4 +107,4 @@ CREATE TABLE IF NOT EXISTS article
     deleted            boolean      NOT NULL,
     FOREIGN KEY (author_id) REFERENCES member (id),
     FOREIGN KEY (study_id) REFERENCES study (id)
-);
+);

backend/src/test/resources/application.yml

@@ -17,3 +17,16 @@ spring:
     url: jdbc:h2:mem:~/moamoa;MODE=MYSQL
   profiles:
     include: security
+  servlet:
+    multipart:
+      max-file-size: 100MB
+      max-request-size: 100MB
+
+cloud:
+  aws:
+    region:
+      static: ap-northeast-2
+    stack:
+      auto: false
+    s3:
+      bucket: 2022-moamoa-thumbnail