NCBACK-34 add logic to find similar image in db

src/main/java/ru/soune/nocopy/controller/ApiController.java

@@ -15,16 +15,14 @@ import ru.soune.nocopy.dto.BaseRequest;
 import ru.soune.nocopy.dto.BaseResponse;
 import ru.soune.nocopy.dto.MessageCode;
 import ru.soune.nocopy.dto.RegAnswer;
-import ru.soune.nocopy.dto.file.ChunkUploadResponse;
-import ru.soune.nocopy.dto.file.CompleteUploadResponse;
-import ru.soune.nocopy.dto.file.FileEntityResponse;
-import ru.soune.nocopy.dto.file.UploadProgress;
+import ru.soune.nocopy.dto.file.*;
 import ru.soune.nocopy.entity.AuthToken;
 import ru.soune.nocopy.entity.file.FileStatus;
 import ru.soune.nocopy.entity.file.UploadStatus;
 import ru.soune.nocopy.exception.*;
 import ru.soune.nocopy.handler.*;
 import ru.soune.nocopy.repository.AuthTokenRepository;
+import ru.soune.nocopy.service.FileSimilarityService;
 import ru.soune.nocopy.service.file.FileEntityService;
 import ru.soune.nocopy.service.file.FileUploadService;
 
@@ -50,6 +48,8 @@ public class ApiController {
 
     private final AuthTokenRepository authTokenRepository;
 
+    private final FileSimilarityService fileSimilarityService;
+
     @PostMapping("/v{version}/data")
     public ResponseEntity<?> handlePostRequest(@RequestBody BaseRequest request,
                                                @PathVariable("version") int version) {
@@ -127,6 +127,16 @@ public class ApiController {
 
             return ResponseEntity.ok().body(new BaseResponse(20004, MessageCode.SUCCESS.getCode(),
                     "Chunk uploaded successfully", responseBody));
+        } catch (DuplicateImageException e) {
+            log.error("Error uploading chunk", e);
+            ChunkUploadResponse responseBody = ChunkUploadResponse.builder()
+                    .uploadId(uploadId)
+                    .chunkNumber(chunkNumber)
+                    .build();
+
+            return ResponseEntity.ok().body(new BaseResponse(
+                    20004, MessageCode.DUPLICATE_FILE_UPLOAD.getCode(),
+                    "Failed to upload chunk: " + e.getMessage(), responseBody));
         } catch (Exception e) {
             log.error("Error uploading chunk", e);
 
@@ -141,6 +151,11 @@ public class ApiController {
         }
     }
 
+    @GetMapping("/files/{fileId}/similar")
+    public List<SimilarFileResponse> getSimilarFiles(@PathVariable String fileId) {
+        return fileSimilarityService.findSimilarFiles(fileId);
+    }
+
     @GetMapping("/v{version}/files/progress/{uploadId}")
     public ResponseEntity<BaseResponse> getUploadProgress(
             @PathVariable("version") int version,