feat: S3 이미지 조회

.env 파일은 환경변수 깃허브에 설정해 놓았습니다. 커밋하지 않았습니다.

BE/error/build.gradle

@@ -53,6 +53,12 @@ dependencies {
 	implementation 'org.hibernate:hibernate-validator:5.2.4.Final'
 
 	//implementation 'org.springframework.boot:spring-boot-starter-security'
+
+	implementation 'com.amazonaws:aws-java-sdk-s3:1.12.3'
+	implementation 'org.springframework.cloud:spring-cloud-starter-aws:2.2.6.RELEASE'
+	implementation 'software.amazon.awssdk:s3:2.17.28'
+	implementation "me.paulschwarz:spring-dotenv:4.0.0"
+	implementation "com.amazonaws:aws-java-sdk-s3:1.12.281"
 }
 
 tasks.named('test') {

BE/error/src/main/java/com/example/demo/config/EnvConfig.java

@@ -0,0 +1,9 @@
+package com.example.demo.config;
+
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.PropertySource;
+import org.springframework.context.annotation.PropertySources;
+
+@Configuration
+@PropertySource("classpath:/.env")
+public class EnvConfig {}

BE/error/src/main/java/com/example/demo/config/StorageConfig.java

@@ -0,0 +1,34 @@
+package com.example.demo.config;
+
+import com.amazonaws.auth.AWSStaticCredentialsProvider;
+import com.amazonaws.auth.BasicAWSCredentials;
+import com.amazonaws.regions.Regions;
+import com.amazonaws.services.s3.AmazonS3Client;
+import com.amazonaws.services.s3.AmazonS3ClientBuilder;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Bean;
+
+@Configuration
+public class StorageConfig {
+
+    @Value("${cloud.aws.credentials.accessKey}")
+    private String accessKey;
+
+    @Value("${SECRET_KEY}")
+    private String secretKey;
+
+    @Value("${cloud.aws.region.static}")
+    private String region;
+
+    @Bean
+    public AmazonS3Client amazonS3Client() {
+        BasicAWSCredentials awsCredentials = new BasicAWSCredentials(accessKey, secretKey);
+
+        return (AmazonS3Client) AmazonS3ClientBuilder.standard()
+            .withRegion(region)
+            .withCredentials(new AWSStaticCredentialsProvider(awsCredentials))
+            .build();
+    }
+
+}

BE/error/src/main/java/com/example/demo/image/application/service/ImageService.java

@@ -0,0 +1,54 @@
+package com.example.demo.image.application.service;
+
+import com.amazonaws.services.s3.AmazonS3Client;
+import com.amazonaws.services.s3.model.ListObjectsV2Request;
+import com.amazonaws.services.s3.model.ListObjectsV2Result;
+import com.amazonaws.services.s3.model.S3ObjectSummary;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Service;
+
+@Slf4j
+@RequiredArgsConstructor
+@Service
+public class ImageService {
+
+    private final AmazonS3Client amazonS3Client;
+
+    @Value("${cloud.aws.s3.bucket}")
+    private String bucketName;
+
+    @Value("${cloud.aws.region.static}")
+    private String region;
+
+    public List<Map<String, Object>> getFileList(String directory) {
+        List<Map<String, Object>> fileList = new ArrayList<>();
+
+        ListObjectsV2Request listObjectsV2Request = new ListObjectsV2Request()
+            .withBucketName(bucketName)
+            .withPrefix(directory + "/");
+
+        ListObjectsV2Result result = amazonS3Client.listObjectsV2(listObjectsV2Request);
+        List<S3ObjectSummary> objectSummaries = result.getObjectSummaries();
+
+        int id = 1;
+        for (S3ObjectSummary objectSummary : objectSummaries) {
+            String key = objectSummary.getKey();
+            if (!key.equals(directory + "/")) {
+                Map<String, Object> fileInfo = new HashMap<>();
+                fileInfo.put("id", id++);
+                fileInfo.put("url", "https://" + bucketName + ".s3." + region + ".amazonaws.com/" + key);
+                fileList.add(fileInfo);
+            }
+        }
+
+        Collections.shuffle(fileList);
+        return fileList.size() > 16 ? fileList.subList(0, 16) : fileList;
+    }
+}

BE/error/src/main/java/com/example/demo/image/presentation/ImageController.java

@@ -0,0 +1,28 @@
+package com.example.demo.image.presentation;
+
+import com.example.demo.image.application.service.ImageService;
+import java.util.List;
+import java.util.Map;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@RequestMapping("/api/images")
+public class ImageController {
+
+    private final ImageService imageService;
+
+    public ImageController(ImageService imageService) {
+        this.imageService = imageService;
+    }
+
+    @GetMapping
+    public List<Map<String, Object>> getProfileImages (){
+        List<Map<String, Object>> profileImageList = imageService.getFileList("styleganresult2");
+        return profileImageList;
+    }
+}

BE/error/src/main/resources/application.properties

@@ -9,6 +9,3 @@ spring.config.activate.on-profile.oauth.provider.slack.clientId=437291124342.714
 spring.config.activate.on-profile.oauth.provider.slack.cliientSecret=b7ea56364590159cd00916bd9e03bec3
 spring.data.redis.host=redis
 spring.data.redis.port=6379
-
-
-

BE/error/src/main/resources/application.yml

@@ -0,0 +1,33 @@
+spring:
+  application:
+    name: error
+
+  jpa:
+    properties:
+      hibernate:
+        format_sql: true
+        dialect: org.hibernate.dialect.MySQLDialect
+    show-sql: true
+    hibernate:
+      ddl-auto: create
+
+logging:
+  level:
+    org:
+      hibernate:
+        type:
+          descriptor:
+            sql:
+              BasicBinder: TRACE
+
+cloud:
+  aws:
+    region:
+      static: ap-northeast-2
+    stack:
+      auto: false
+    credentials:
+      accessKey: ${ACCESS_KEY}
+      secretKey: ${SECRET_KEY}
+    s3:
+      bucket: zepimage0