Feat: 이미지 업로드 기능

.github/workflows/Build&Test.yml

@@ -27,6 +27,9 @@ jobs:
       - name: Setup Gradle
         uses: gradle/actions/setup-gradle@417ae3ccd767c252f5661f1ace9f835f9654f2b5 # v3.1.0
 
+      - name: Set Environment Variables
+        run: echo "IMGBB_API_KEY=${{ secrets.IMGBB_API_KEY }}" >> $GITHUB_ENV
+
       - name: Test with Gradle
         run: ./gradlew --info test
 

src/main/java/ac/kr/deu/connect/luck/exception/CustomErrorCode.java

@@ -19,7 +19,8 @@ public enum CustomErrorCode {
     ROLE_NOT_MATCH(HttpStatus.BAD_REQUEST, "권한이 일치하지 않습니다."),
     FOOD_TRUCK_MENU_NOT_FOUND(HttpStatus.BAD_REQUEST, "푸드트럭 메뉴를 찾을 수 없습니다."),
     FOOD_TRUCK_IS_ALREADY_OPERATING(HttpStatus.BAD_REQUEST, "푸드트럭이 이미 운영중입니다."),
-    FOOD_TRUCK_IS_NOT_OPERATING(HttpStatus.BAD_REQUEST, "푸드트럭이 운영중이 아닙니다.");
+    FOOD_TRUCK_IS_NOT_OPERATING(HttpStatus.BAD_REQUEST, "푸드트럭이 운영중이 아닙니다."),
+    IMAGE_UPLOAD_FAILED(HttpStatus.BAD_REQUEST, "이미지 업로드에 실패했습니다.");
 
 
     private final HttpStatus status;

src/main/java/ac/kr/deu/connect/luck/image/ImageRestController.java

@@ -0,0 +1,28 @@
+package ac.kr.deu.connect.luck.image;
+
+import io.swagger.v3.oas.annotations.Parameter;
+import io.swagger.v3.oas.annotations.tags.Tag;
+import lombok.AllArgsConstructor;
+import org.springframework.http.MediaType;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestPart;
+import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.multipart.MultipartFile;
+
+@RestController
+@Tag(name = "Image", description = "Image API")
+@RequestMapping("/api/image")
+@AllArgsConstructor
+public class ImageRestController {
+
+    private final ImageUploader imageUploader;
+
+    @PostMapping(consumes = MediaType.MULTIPART_FORM_DATA_VALUE)
+    public String uploadImage(
+            @Parameter(description = "multipart/form-data 형식의 이미지 리스트를 input으로 받습니다. 이때 key 값은 image 입니다.")
+            @RequestPart("image") MultipartFile multipartFile) {
+        return imageUploader.uploadImage(multipartFile).getData().getUrl();
+    }
+
+}

src/main/java/ac/kr/deu/connect/luck/image/ImageUploadResponse.java

@@ -0,0 +1,45 @@
+package ac.kr.deu.connect.luck.image;
+
+import lombok.Getter;
+import lombok.Setter;
+import lombok.ToString;
+
+@Getter
+@Setter
+@ToString
+public class ImageUploadResponse {
+    private Data data;
+    private boolean success;
+    private int status;
+
+    @Getter
+    @Setter
+    @ToString
+    public static class Data {
+        private String id;
+        private String title;
+        private String urlViewer;
+        private String url;
+        private String displayUrl;
+        private String width;
+        private String height;
+        private String size;
+        private String time;
+        private String expiration;
+        private ImageInfo image;
+        private ImageInfo thumb;
+        private ImageInfo medium;
+        private String deleteUrl;
+    }
+
+    @Getter
+    @Setter
+    @ToString
+    public static class ImageInfo {
+        private String filename;
+        private String name;
+        private String mime;
+        private String extension;
+        private String url;
+    }
+}

src/main/java/ac/kr/deu/connect/luck/image/ImageUploader.java

@@ -0,0 +1,58 @@
+package ac.kr.deu.connect.luck.image;
+
+import ac.kr.deu.connect.luck.exception.CustomErrorCode;
+import ac.kr.deu.connect.luck.exception.CustomException;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.http.HttpEntity;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.MediaType;
+import org.springframework.http.ResponseEntity;
+import org.springframework.stereotype.Component;
+import org.springframework.util.LinkedMultiValueMap;
+import org.springframework.util.MultiValueMap;
+import org.springframework.web.client.RestTemplate;
+import org.springframework.web.multipart.MultipartFile;
+
+import java.util.Base64;
+
+@Component
+@Slf4j
+public class ImageUploader {
+
+    @Value("${imgbb.api-key}")
+    private String API_KEY;
+
+    private String BASE_URL = "https://api.imgbb.com/1/upload";
+
+    private Long EXPIRATION = 15552000L;
+
+    private RestTemplate restTemplate = new RestTemplate();
+
+
+    public ImageUploadResponse uploadImage(MultipartFile file) {
+        try {
+            byte[] image = file.getBytes();
+            String base64Image = Base64.getEncoder().encodeToString(image);
+
+            String apiUrl = String.format("%s?key=%s&expiration=%d", BASE_URL, API_KEY, EXPIRATION);
+
+            HttpHeaders headers = new HttpHeaders();
+            headers.setContentType(MediaType.APPLICATION_FORM_URLENCODED);
+
+            MultiValueMap<String, String> bodyMap = new LinkedMultiValueMap<>();
+            bodyMap.add("image", base64Image);
+
+            HttpEntity<MultiValueMap<String, String>> request = new HttpEntity<>(bodyMap, headers);
+
+            ResponseEntity<ImageUploadResponse> response = restTemplate.postForEntity(apiUrl, request, ImageUploadResponse.class);
+
+            log.info("Image upload response: {}", response.getBody());
+            log.info("Image upload URL: {}", response.getBody().getData().getUrl());
+            return response.getBody();
+        } catch (Exception e) {
+            log.error("Image upload failed: {}", e.getMessage());
+            throw new CustomException(CustomErrorCode.IMAGE_UPLOAD_FAILED);
+        }
+    }
+}

src/main/resources/application.yaml

@@ -13,6 +13,11 @@ spring:
       mode: embedded
       encoding: utf-8
 
+  servlet:
+    multipart:
+      max-file-size: 32MB
+      max-request-size: 32MB
+
 
 logging:
   level:
@@ -27,3 +32,6 @@ server:
     encoding:
       charset: UTF-8
       force-response: true
+
+imgbb:
+  api-key: ${IMGBB_API_KEY}

src/test/java/ac/kr/deu/connect/luck/image/ImageUploaderTest.java

@@ -0,0 +1,35 @@
+package ac.kr.deu.connect.luck.image;
+
+import ac.kr.deu.connect.luck.image.ImageUploader;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.mock.web.MockMultipartFile;
+
+import java.io.FileInputStream;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+
+@SpringBootTest
+class ImageUploaderTest {
+
+    @Autowired
+    private ImageUploader imageUploader;
+
+    @Test
+    void uploadImage() throws Exception {
+        // Given
+        final String filePath = "src/test/resources/test.jpg";
+        FileInputStream fis = new FileInputStream(filePath);
+        MockMultipartFile file = new MockMultipartFile("file", fis);
+
+        // When
+        ImageUploadResponse imageUrl = imageUploader.uploadImage(file);
+
+        // Then
+        assertEquals(200, imageUrl.getStatus());
+        assertNotNull(imageUrl.getData().getUrl());
+    }
+
+}