Merge pull request #50 from Louie-03/BE-feature-42

[BE] 파일 업로드 기능 구현

BE/build.gradle

@@ -24,6 +24,7 @@ dependencies {
 	implementation 'org.springframework.boot:spring-boot-starter-web'
 	implementation 'org.springframework.boot:spring-boot-starter-webflux'
 	implementation 'com.github.gavlyukovskiy:p6spy-spring-boot-starter:1.8.0'
+	implementation 'org.springframework.cloud:spring-cloud-starter-aws:2.2.6.RELEASE'
 	implementation 'com.auth0:java-jwt:3.19.1'
 	compileOnly 'org.projectlombok:lombok'
 	runtimeOnly 'com.h2database:h2'

BE/src/main/java/louie/hanse/issuetracker/domain/Comment.java

@@ -20,9 +20,6 @@ public class Comment {
     @Id @GeneratedValue(strategy = IDENTITY)
     private Long id;
 
-    @OneToMany(mappedBy = "comment")
-    private List<UploadFile> uploadFiles = new ArrayList<>();
-
     @ManyToOne(fetch = LAZY)
     @JoinColumn
     private Issue issue;

BE/src/main/java/louie/hanse/issuetracker/service/S3Service.java

@@ -0,0 +1,47 @@
+package louie.hanse.issuetracker.service;
+
+import com.amazonaws.services.s3.AmazonS3Client;
+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 lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Service;
+import org.springframework.web.multipart.MultipartFile;
+
+@Slf4j
+@RequiredArgsConstructor
+@Service
+public class S3Service {
+
+    private final AmazonS3Client amazonS3Client;
+
+    @Value("${cloud.aws.s3.bucket}")
+    private String bucket;
+
+    @Value("${directory.name}")
+    private String directoryName;
+
+    public String fileUpload(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);
+
+        String key = directoryName + "/" + UUID.randomUUID() + ext;
+        try (InputStream inputStream = multipartFile.getInputStream()) {
+            PutObjectRequest putObjectRequest = new PutObjectRequest(
+                bucket, key, inputStream, objectMetadata)
+                .withCannedAcl(CannedAccessControlList.PublicRead);
+            amazonS3Client.putObject(putObjectRequest);
+        }
+        return amazonS3Client.getUrl(bucket, key).toString();
+    }
+}

BE/src/main/java/louie/hanse/issuetracker/web/controller/FileUploadController.java

@@ -0,0 +1,23 @@
+package louie.hanse.issuetracker.web.controller;
+
+import java.io.IOException;
+import java.util.Collections;
+import java.util.Map;
+import lombok.RequiredArgsConstructor;
+import louie.hanse.issuetracker.service.S3Service;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.multipart.MultipartFile;
+
+@RequiredArgsConstructor
+@RequestMapping("/upload-files")
+@RestController
+public class FileUploadController {
+    private final S3Service s3Service;
+
+    @PostMapping
+    public Map<String, String> fileUpload(MultipartFile file) throws IOException {
+        return Collections.singletonMap("url", s3Service.fileUpload(file));
+    }
+}

BE/src/main/resources/application.yml

@@ -19,7 +19,16 @@ spring:
     defer-datasource-initialization: true
 
   config:
-    import: classpath:oauth.yml
+    import: classpath:oauth.yml,classpath:s3.yml
+
+  servlet:
+    multipart:
+      max-file-size: 10MB
 
 logging.level:
-  org.hibernate.SQL: debug
+  org:
+    hibernate.SQL: debug
+  com:
+    amazonaws:
+      util:
+        EC2MetadataUtils: error

BE/src/main/resources/s3.yml

@@ -0,0 +1,15 @@
+cloud:
+  aws:
+    region:
+      static: ap-northeast-2
+    s3:
+      bucket: louie1se-file-upload
+    credentials:
+      access-key: ${FILE_UPLOAD_S3_ACCESS_KEY}
+      secret-key: ${FILE_UPLOAD_S3_SECRET_KEY}
+    stack:
+      auto: false
+
+directory:
+  name:
+    louie1se

BE/src/test/java/louie/hanse/issuetracker/IssueTrackerApplicationTests.java

@@ -6,27 +6,6 @@
 class IssueTrackerApplicationTests {
 
     @Test
-    void contextLoads() throws Exception {
-        throwCheckedException();
-    }
-
-    void throwCheckedException() {
-        try {
-            throw new Exception();
-        } catch (Exception e) {
-            e.printStackTrace();
-        }
-    }
-
-    void throwUnCheckedException() {
-        throw new RuntimeException();
-    }
-
-    static class CheckedException extends Exception {
-
-    }
-
-    static class UnCheckedException extends RuntimeException {
-
+    void contextLoads() {
     }
 }