FEAT: 이미지생성 API구현(dall e)

build.gradle

@@ -66,6 +66,12 @@ dependencies {
 
 	// JSON
 	implementation 'com.googlecode.json-simple:json-simple:1.1.1'
+
+
+
+
+	implementation 'org.apache.httpcomponents:httpclient:4.5.13'
+
 }
 
 tasks.named('bootBuildImage') {

src/main/java/org/kau/kkoolbeeServer/KkoolbeeServerApplication.java

@@ -16,7 +16,7 @@ public static void main(String[] args) {
 
 		TimeZone.setDefault(TimeZone.getTimeZone("UTC"));
 		TimeZone tz = TimeZone.getDefault();
-		System.out.println("현재 시간대: " + tz.getID());
+
 
 
 	}

src/main/java/org/kau/kkoolbeeServer/S3/S3UploaderService.java

@@ -10,6 +10,7 @@
 import org.springframework.web.multipart.MultipartFile;
 
 import java.io.File;
+import java.io.FileInputStream;
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.security.MessageDigest;
@@ -50,13 +51,36 @@ public String upload(MultipartFile file) throws IOException, NoSuchAlgorithmExce
         return amazonS3Client.getUrl(bucketName, fileName).toString();
     }
 
+    public String uploadFile(File file) throws IOException, NoSuchAlgorithmException {
+        String fileHash = calculateFileHash(file);
+        String fileName = fileHash + "-" + file.getName();
+
+        if (!amazonS3Client.doesObjectExist(bucketName, fileName)) {
+            amazonS3Client.putObject(new PutObjectRequest(bucketName, fileName, file));
+        }
+
+        return amazonS3Client.getUrl(bucketName, fileName).toString();
+
+    }
+
     private String calculateFileHash(MultipartFile file) throws IOException, NoSuchAlgorithmException {
         MessageDigest digest = MessageDigest.getInstance("SHA-256");
         byte[] fileBytes = file.getBytes();
         byte[] hash = digest.digest(fileBytes);
         return Hex.encodeHexString(hash);
     }
 
+    private String calculateFileHash(File file) throws IOException, NoSuchAlgorithmException {
+        MessageDigest digest = MessageDigest.getInstance("SHA-256");
+        try (FileInputStream fis = new FileInputStream(file)) {
+            byte[] fileBytes = new byte[(int) file.length()];
+            fis.read(fileBytes);
+            byte[] hash = digest.digest(fileBytes);
+            return Hex.encodeHexString(hash);
+        }
+    }
+
+