dev

# Conflicts:
#	src/main/java/ru/soune/nocopy/controller/ApiController.java

.env

@@ -1,19 +1,10 @@
-# Postgres
 POSTGRES_DB=no_copy_
 POSTGRES_USER=ncp_db
 POSTGRES_PASSWORD=ncpDbApp
 POSTGRES_PORT=5432
 POSTGRES_HOST=postgres
 
-# Redis
 REDIS_HOST=redis
 REDIS_PORT=6379
 
-# Backend server
-SERVER_PORT=8080
-
-# Postfix
-MAIL_HOST_PROD=postfix-production
-MAIL_PORT_PROD=25
-MAIL_USERNAME_PROD=noreply@nocopy.com
-SMTP_PASSWORD_PROD=nocopy!nocopy!
+SERVER_PORT=8080

build.gradle

@@ -30,7 +30,8 @@ dependencies {
 	implementation 'org.springframework.security:spring-security-crypto:6.5.3'
 	implementation 'org.mapstruct:mapstruct:1.5.5.Final'
 	implementation 'commons-validator:commons-validator:1.7'
-	implementation group: 'org.springframework.boot', name: 'spring-boot-starter-mail', version: '4.0.1'
+
+	implementation 'org.flywaydb:flyway-core:9.22.0'
 
 	implementation 'com.fasterxml.jackson.dataformat:jackson-dataformat-xml:2.17.0'
 	implementation 'tools.jackson.core:jackson-core:3.0.3'

docker-compose.yaml

@@ -17,29 +17,6 @@ services:
     command: tail -f /dev/null
     restart: unless-stopped
 
-#  postfix:
-#    image: boky/postfix:latest
-#    container_name: postfix-production
-#    hostname: ${DOMAIN:-no-copy.ru}
-#    environment:
-#      - DOMAIN=${DOMAIN:-no-copy.ru}
-#      - ALLOWED_SENDER_DOMAINS=*
-#      - RELAYHOST=
-#      - DISABLE_SMTP_AUTH=
-#      - SMTP_USERNAME=${MAIL_USERNAME:-noreply@no-copy.ru}
-#      - SMTP_PASSWORD=${SMTP_PASSWORD:-nocopy!nocopy!}
-#      - RELAY_NETWORKS=172.16.0.0/12
-#      - POSTFIX_mynetworks=127.0.0.0/8 172.17.0.0/16 172.16.0.0/12
-#      - POSTFIX_smtpd_relay_restrictions=permit_mynetworks, permit_sasl_authenticated, reject_unauth_destination
-#      - POSTFIX_smtpd_recipient_restrictions=permit_mynetworks, permit_sasl_authenticated, reject_unauth_destination
-#      - DISABLE_SIGNING=true
-#    ports:
-#      - "25:25"
-#      - "587:587"
-#    networks:
-#      - app-network
-#    restart: unless-stopped
-
   db:
     image: postgres:17.7
     restart: always
@@ -53,8 +30,6 @@ services:
           memory: 1G
     environment:
       POSTGRES_DB: no_copy_
-      #      POSTGRES_USER: postgres
-      #      POSTGRES_PASSWORD: postgres
       POSTGRES_USER: ${POSTGRES_USER}
       POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}
       POSTGRES_SHARED_BUFFERS: 512MB
@@ -84,11 +59,8 @@ services:
     environment:
       FILE_STORAGE_PATH: /data/uploads
       MAX_FILE_SIZE: 10737418240
-      #      FILE_CHUNK_SIZE: 1048576
       FILE_CHUNK_SIZE: 1000000
       POSTGRES_DB: no_copy_
-      #      POSTGRES_USER: postgres
-      #      POSTGRES_PASSWORD: postgres
       POSTGRES_USER: ${POSTGRES_USER}
       POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}
       POSTGRES_PORT: 5432
@@ -98,13 +70,6 @@ services:
       YANDEX_API_KEY: AQVNyaVaUmgUb1GMCtf5zSEqFxy0woXrcMOOB43q
       YANDEX_FOLDER_ID: b1gokpdbm6qfpsou8pcd
       YANDEX_SEARCH_URL: "https://searchapi.api.cloud.yandex.net/v2/image/search_by_image"
-#      MAIL_HOST: postfix
-#      MAIL_PORT: 25
-#      MAIL_USERNAME: noreply@no-copy.ru
-#      SMTP_PASSWORD: nocopy!nocopy!
-#      SPRING_MAIL_PROPERTIES_MAIL_SMTP_STARTTLS_ENABLE: "false"
-#      SPRING_MAIL_PROPERTIES_MAIL_SMTP_AUTH: "false"
-#      SPRING_MAIL_PROPERTIES_MAIL_DEBUG: "true"
     depends_on:
       - db
     ports:
@@ -273,7 +238,7 @@ volumes:
   loki_rules:
   uploads_data:
   prometheus_data:
-#  postfix-data:
+
 networks:
   app-network:
     external: true

referral/build.gradle.kts

@@ -0,0 +1,28 @@
+plugins {
+    kotlin("jvm") version "2.1.10"
+}
+
+group = "ru.soune"
+version = "1.0.0"
+
+repositories {
+    mavenCentral()
+}
+
+dependencies {
+
+    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.10.2")
+    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core-jvm:1.10.2")
+
+    implementation("io.insert-koin:koin-core:4.1.1")
+    implementation("io.insert-koin:koin-core-jvm:4.1.1")
+
+    testImplementation(kotlin("test"))
+}
+
+tasks.test {
+    useJUnitPlatform()
+}
+kotlin {
+    jvmToolchain(21)
+}

referral/src/main/kotlin/Main.kt

@@ -0,0 +1,5 @@
+package ru.soune
+
+fun main() {
+    println("Hello World!")
+}

settings.gradle

@@ -1 +1,6 @@
+plugins {
+    id 'org.gradle.toolchains.foojay-resolver-convention' version '0.8.0'
+}
 rootProject.name = 'no-copy'
+include 'referral'
+

src/main/java/ru/soune/nocopy/configuration/HandlerConfig.java

@@ -18,9 +18,7 @@ public class HandlerConfig {
             FileEntityHandler file,
             LogoutRequestHandler logoutHandler,
             ImageFoundRequestHandler imageFoundRequestHandler,
-            VerifyRegisterUserHandler verifyRegisterUser,
-            AuthRequestHandler authRequestHandler,
-            ResetPasswordHandler resetPasswordHandler
+            AuthRequestHandler authRequestHandler
     ) {
         Map<Integer, RequestHandler> map = new HashMap<>();
         map.put(20001, login);
@@ -30,8 +28,6 @@ public class HandlerConfig {
         map.put(20006, logoutHandler);
         map.put(20007, imageFoundRequestHandler);
         map.put(20008, authRequestHandler);
-        map.put(20009, verifyRegisterUser);
-        map.put(20010, resetPasswordHandler);
 
         return map;
     }

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

@@ -4,6 +4,9 @@ import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.core.io.Resource;
 import org.springframework.core.io.UrlResource;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.Pageable;
+import org.springframework.data.web.PageableDefault;
 import org.springframework.http.HttpHeaders;
 import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
@@ -14,7 +17,9 @@ import org.springframework.web.multipart.MultipartFile;
 import ru.soune.nocopy.dto.BaseRequest;
 import ru.soune.nocopy.dto.BaseResponse;
 import ru.soune.nocopy.dto.MessageCode;
-import ru.soune.nocopy.dto.register.RegAnswer;
+import ru.soune.nocopy.dto.RegAnswer;
+import ru.soune.nocopy.dto.file.*;
+import ru.soune.nocopy.entity.file.FileEntity;
 import ru.soune.nocopy.dto.file.ChunkUploadResponse;
 import ru.soune.nocopy.dto.file.CompleteUploadResponse;
 import ru.soune.nocopy.dto.file.FileEntityResponse;
@@ -23,7 +28,9 @@ 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.service.register.AuthService;
+import ru.soune.nocopy.repository.FileEntityRepository;
+import ru.soune.nocopy.service.FileSimilarityService;
+import ru.soune.nocopy.service.auth.AuthService;
 import ru.soune.nocopy.service.file.FileEntityService;
 import ru.soune.nocopy.service.file.FileUploadService;
 
@@ -34,6 +41,7 @@ import java.nio.file.Paths;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.Optional;
 import java.util.stream.Collectors;
 
 @Slf4j
@@ -49,6 +57,10 @@ public class ApiController {
 
     private final AuthService authService;
 
+    private final FileSimilarityService fileSimilarityService;
+
+    private final FileEntityRepository fileEntityRepository;
+
     @PostMapping("/v{version}/data")
     public ResponseEntity<?> handlePostRequest(@RequestBody BaseRequest request,
                                                @PathVariable("version") int version) {
@@ -70,9 +82,6 @@ public class ApiController {
             return ResponseEntity.ok().body(response);
         } catch (ValidationException e) {
             return createValidationErrorResponse(e.getBindingResult(), e.getMsgId());
-        } catch (UserNotFoundException e) {
-            return ResponseEntity.ok().body(new BaseResponse(msgId, MessageCode.USER_NOT_FOUND.getCode(),
-                    MessageCode.USER_NOT_FOUND.getDescription(), new HashMap<>()));
         } catch (NotFoundAuthToken e) {
             return ResponseEntity.ok().body(new BaseResponse(msgId, MessageCode.AUTH_TOKEN_NOT_FOUND.getCode(),
                     MessageCode.AUTH_TOKEN_NOT_FOUND.getDescription(), new HashMap<>()));
@@ -98,54 +107,63 @@ public class ApiController {
             @RequestParam(value = "chunk", required = false) MultipartFile chunk) {
         try {
             if (chunk == null || chunk.isEmpty()) {
-                return ResponseEntity.ok().body(new BaseResponse(20004, MessageCode.FILE_UPLOAD_ERROR.getCode(),
-                        "Chunk file null or empty", ChunkUploadResponse.builder()
-                        .uploadId(uploadId)
-                        .chunkNumber(chunkNumber)
-                        .build()));
+                return buildErrorResponse(uploadId, chunkNumber, "Chunk file null or empty");
             }
-
             if (uploadId == null || uploadId.isBlank()) {
-                return ResponseEntity.ok().body(new BaseResponse(20004, MessageCode.FILE_UPLOAD_ERROR.getCode(),
-                        "Upload ID is required", ChunkUploadResponse.builder()
-                        .uploadId(uploadId)
-                        .chunkNumber(chunkNumber)
-                        .build()));
+                return buildErrorResponse(uploadId, chunkNumber, "Upload ID is required");
             }
-
             if (chunkNumber == null || chunkNumber < 0) {
-                return ResponseEntity.ok().body(new BaseResponse(20004, MessageCode.FILE_UPLOAD_ERROR.getCode(),
-                        "Valid chunk number is required", ChunkUploadResponse.builder()
-                        .uploadId(uploadId)
-                        .chunkNumber(chunkNumber)
-                        .build()));
+                return buildErrorResponse(uploadId, chunkNumber, "Valid chunk number is required");
             }
 
             fileUploadService.uploadChunk(uploadId, chunkNumber, chunk);
 
-            ChunkUploadResponse responseBody = ChunkUploadResponse.builder()
-                    .uploadId(uploadId)
-                    .chunkNumber(chunkNumber)
-                    .chunkSize(chunk.getSize())
-                    .message("Chunk uploaded successfully")
-                    .build();
-
-            return ResponseEntity.ok().body(new BaseResponse(20004, MessageCode.SUCCESS.getCode(),
-                    "Chunk uploaded successfully", responseBody));
+            return buildSuccessResponse(uploadId, chunkNumber, chunk);
+        } catch (DuplicateImageException e) {
+            return ResponseEntity.ok().body(new BaseResponse(20004, MessageCode.DUPLICATE_FILE_UPLOAD.getCode(),
+                    MessageCode.DUPLICATE_FILE_UPLOAD.getDescription(),
+                    Map.of("duplicateOwnerId", e.userId(), "duplicateFileId", e.duplicateFileId())));
         } catch (Exception e) {
             log.error("Error uploading chunk", e);
-
-            ChunkUploadResponse responseBody = ChunkUploadResponse.builder()
-                    .uploadId(uploadId)
-                    .chunkNumber(chunkNumber)
-                    .build();
-
-            return ResponseEntity.ok().body(new BaseResponse(
-                    20004, MessageCode.FILE_UPLOAD_ERROR.getCode(),
-                    "Failed to upload chunk: " + e.getMessage(), responseBody));
+            return buildErrorResponse(uploadId, chunkNumber, "Failed to upload chunk: " + e.getMessage());
         }
     }
 
+    @GetMapping("/v{version}/files/{fileId}/similar")
+    public ResponseEntity<BaseResponse> findSimilarFiles(
+            @PathVariable("version") int version,
+            @PathVariable String fileId,
+            @RequestParam(required = false) List<String> similarityLevels,
+            @PageableDefault(size = 20, sort = "hammingDistance") Pageable pageable) {
+        SimilarityFilter filter = SimilarityFilter.builder()
+                .similarityLevels(similarityLevels)
+                .build();
+        Page<SimilarFileResponse> similarFiles = fileSimilarityService.findSimilarFiles(fileId, filter, pageable);
+
+        String messageDesc;
+        MessageCode success;
+
+        if (similarFiles.isEmpty()) {
+            messageDesc = MessageCode.FILE_NOT_FOUND.getDescription();
+            success = MessageCode.FILE_NOT_FOUND;
+        } else {
+            messageDesc = MessageCode.SIMILAR_FILES_FOUND.getDescription();
+            success = MessageCode.SIMILAR_FILES_FOUND;
+        }
+
+        Map<String, Object> responseData = new HashMap<>();
+        responseData.put("content", similarFiles.getContent());
+        responseData.put("page", similarFiles.getNumber());
+        responseData.put("size", similarFiles.getSize());
+        responseData.put("totalElements", similarFiles.getTotalElements());
+        responseData.put("totalPages", similarFiles.getTotalPages());
+        responseData.put("hasNext", similarFiles.hasNext());
+        responseData.put("hasPrevious", similarFiles.hasPrevious());
+
+        return ResponseEntity.ok()
+                .body(new BaseResponse(20004, success.getCode(), messageDesc, responseData));
+    }
+
     @GetMapping("/v{version}/files/progress/{uploadId}")
     public ResponseEntity<BaseResponse> getUploadProgress(
             @PathVariable("version") int version,
@@ -169,7 +187,6 @@ public class ApiController {
 
             return ResponseEntity.ok().body(new BaseResponse(
                     20004, MessageCode.SUCCESS.getCode(), MessageCode.SUCCESS.getDescription(), responseBody));
-
         } catch (Exception e) {
             log.error("Error getting progress for upload: {}", uploadId, e);
 
@@ -177,8 +194,7 @@ public class ApiController {
                     .uploadId(uploadId)
                     .build();
 
-            return ResponseEntity.ok().body(new BaseResponse(
-                    20004, MessageCode.FILE_UPLOAD_ERROR.getCode(),
+            return ResponseEntity.ok().body(new BaseResponse(20004, MessageCode.FILE_UPLOAD_ERROR.getCode(),
                     "Failed to get upload progress: " + e.getMessage(), responseBody));
         }
     }
@@ -337,6 +353,78 @@ public class ApiController {
         }
     }
 
+    private ResponseEntity<BaseResponse> checkForDuplicates(String uploadId) throws IOException {
+        Optional<FileEntity> uploadedFile = fileEntityRepository.findByUploadSessionId(uploadId);
+
+        if (uploadedFile.isEmpty() || !uploadedFile.get().getMimeType().equals("image")) {
+            return null;
+        }
+
+        FileEntity fileEntity = uploadedFile.get();
+        List<SimilarFileResponse> similarFiles = fileSimilarityService.findSimilarFiles(fileEntity.getId());
+
+        if (hasDuplicate(similarFiles)) {
+            return handleDuplicate(fileEntity, similarFiles);
+        }
+
+        return null;
+    }
+
+    private boolean hasDuplicate(List<SimilarFileResponse> similarFiles) {
+        return similarFiles.stream().anyMatch(f -> f.getHammingDistance() <= 5);
+    }
+
+    private ResponseEntity<BaseResponse> handleDuplicate(FileEntity fileEntity, List<SimilarFileResponse> similarFiles)
+            throws IOException {
+        fileEntityService.deleteFromDisk(fileEntity);
+
+        fileEntityService.markAsDeleted(fileEntity);
+
+        Optional<FileEntity> originalFile = fileEntityRepository.findById(similarFiles.get(0).getFileId());
+
+        if (originalFile.isPresent()) {
+            Map<String, String> duplicateInfo = Map.of(
+                    "duplicate_file_id", originalFile.get().getId(),
+                    "owner_user_id", String.valueOf(originalFile.get().getUserId()));
+
+            return ResponseEntity.ok().body(new BaseResponse(
+                    20004,
+                    MessageCode.DUPLICATE_FILE_UPLOAD.getCode(),
+                    "Failed to upload chunk, duplicate",
+                    duplicateInfo));
+        }
+
+        return null;
+    }
+
+    private ResponseEntity<BaseResponse> buildSuccessResponse(String uploadId, Integer chunkNumber, MultipartFile chunk) {
+        ChunkUploadResponse responseBody = ChunkUploadResponse.builder()
+                .uploadId(uploadId)
+                .chunkNumber(chunkNumber)
+                .chunkSize(chunk.getSize())
+                .message("Chunk uploaded successfully")
+                .build();
+
+        return ResponseEntity.ok().body(new BaseResponse(
+                20000,
+                MessageCode.SUCCESS.getCode(),
+                "Chunk uploaded successfully",
+                responseBody));
+    }
+
+    private ResponseEntity<BaseResponse> buildErrorResponse(String uploadId, Integer chunkNumber, String errorMessage) {
+        ChunkUploadResponse responseBody = ChunkUploadResponse.builder()
+                .uploadId(uploadId)
+                .chunkNumber(chunkNumber)
+                .build();
+
+        return ResponseEntity.ok().body(new BaseResponse(
+                20004,
+                MessageCode.FILE_UPLOAD_ERROR.getCode(),
+                errorMessage,
+                responseBody));
+    }
+
     private ResponseEntity<BaseResponse> createValidationErrorResponse(BindingResult bindingResult, Integer msgId) {
         List<Map<String, String>> fieldErrors = bindingResult.getFieldErrors()
                 .stream()

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

@@ -3,17 +3,17 @@ package ru.soune.nocopy.controller;
 import lombok.RequiredArgsConstructor;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.*;
-import ru.soune.nocopy.dto.register.ChangePasswordRequest;
-import ru.soune.nocopy.dto.user.UserDTO;
-import ru.soune.nocopy.dto.user.UserRequest;
-import ru.soune.nocopy.entity.user.AuthToken;
-import ru.soune.nocopy.entity.user.User;
+import ru.soune.nocopy.dto.ChangePasswordRequest;
+import ru.soune.nocopy.dto.UserDTO;
+import ru.soune.nocopy.dto.UserRequest;
+import ru.soune.nocopy.entity.AuthToken;
+import ru.soune.nocopy.entity.User;
 import ru.soune.nocopy.exception.InvalidUserEmail;
 import ru.soune.nocopy.exception.NotFoundAuthToken;
 import ru.soune.nocopy.mapper.UserMapper;
 import ru.soune.nocopy.repository.AuthTokenRepository;
 import ru.soune.nocopy.repository.UserRepository;
-import ru.soune.nocopy.service.user.UserService;
+import ru.soune.nocopy.service.UserService;
 
 import java.util.List;
 import java.util.Optional;
@@ -34,7 +34,7 @@ public class UserController {
     @GetMapping("/all")
     public ResponseEntity<List<UserDTO>> getAllUsers() {
         List<UserDTO> allUsers = userRepository.findAll().stream()
-                .map(u -> new UserDTO(u.getFullName(), u.getCompany(), u.getEmail(), u.isActive(),
+                .map(u -> new UserDTO(u.getFullName(), u.getCompany(), u.getEmail(), u.getIsActive(),
                         u.getPhone(), u.getGenderType(),
                         u.getBirthday(), u.getCreatedAt(), u.getSubscriptionType()))
                 .toList();
@@ -52,19 +52,19 @@ public class UserController {
         AuthToken authToken = tokenOptional.orElseThrow(() -> new NotFoundAuthToken("Token: " + token + "not found"));
 
         if (authToken != null) {
-            User user = userRepository.findByEmail(email);
+            Optional<User> user = userRepository.findByEmail(email);
             //TODO add mapper
-            if (user != null) {
-                UserDTO userDTO = userMapper.toDTO(user);
+            if (user.isPresent()) {
+                UserDTO userDTO = userMapper.toDTO(user.get());
                 userDTO.setEmail(email);
-                userDTO.setFullName(user.getFullName());
-                userDTO.setCompany(user.getCompany());
-                userDTO.setPhone(user.getPhone());
-                userDTO.setGenderType(user.getGenderType());
-                userDTO.setBirthday(user.getBirthday());
-                userDTO.setCreatedAt(user.getCreatedAt());
-                userDTO.setSubscriptionType(user.getSubscriptionType());
-                userDTO.setActive(user.isActive());
+                userDTO.setFullName(user.get().getFullName());
+                userDTO.setCompany(user.get().getCompany());
+                userDTO.setPhone(user.get().getPhone());
+                userDTO.setGenderType(user.get().getGenderType());
+                userDTO.setBirthday(user.get().getBirthday());
+                userDTO.setCreatedAt(user.get().getCreatedAt());
+                userDTO.setSubscriptionType(user.get().getSubscriptionType());
+                userDTO.setActive(user.get().getIsActive());
 
                 return ResponseEntity.ok(userDTO);
             }

src/main/java/ru/soune/nocopy/dto/AuthResponse.java

@@ -0,0 +1,10 @@
+package ru.soune.nocopy.dto;
+
+import java.time.LocalDateTime;
+
+public record AuthResponse (
+        boolean success,
+        String message,
+        String token,
+        LocalDateTime expiresAt
+) {}

src/main/java/ru/soune/nocopy/dto/ChangePasswordRequest.java

@@ -1,4 +1,4 @@
-package ru.soune.nocopy.dto.register;
+package ru.soune.nocopy.dto;
 
 import lombok.AllArgsConstructor;
 import lombok.Data;

src/main/java/ru/soune/nocopy/dto/LogOutAnswer.java

@@ -1,4 +1,4 @@
-package ru.soune.nocopy.dto.register;
+package ru.soune.nocopy.dto;
 
 import lombok.AllArgsConstructor;
 import lombok.Data;

src/main/java/ru/soune/nocopy/dto/LoginAnswer.java

@@ -1,4 +1,4 @@
-package ru.soune.nocopy.dto.register;
+package ru.soune.nocopy.dto;
 
 import lombok.AllArgsConstructor;
 import lombok.Data;
@@ -13,9 +13,5 @@ import java.util.Map;
 public class LoginAnswer {
     private String Token;
 
-    private boolean isActive;
-
-    private boolean isVerified;
-
     private List<Map<String, String>> fieldErrors;
 }

src/main/java/ru/soune/nocopy/dto/LoginRequest.java

@@ -1,4 +1,4 @@
-package ru.soune.nocopy.dto.register;
+package ru.soune.nocopy.dto;
 
 import com.fasterxml.jackson.annotation.JsonFormat;
 import jakarta.validation.constraints.Email;

src/main/java/ru/soune/nocopy/dto/LogoutRequest.java

@@ -1,4 +1,4 @@
-package ru.soune.nocopy.dto.register;
+package ru.soune.nocopy.dto;
 
 import jakarta.validation.constraints.Email;
 import jakarta.validation.constraints.NotBlank;

src/main/java/ru/soune/nocopy/dto/MessageCode.java

@@ -6,12 +6,10 @@ public enum MessageCode {
     REG_EMAIL_OR_PHONE_EXISTS(1, "Email or phone already registered"),
     INVALID_FIELD(2, "Invalid field"),
     INVALID_TOKEN(2, "Invalid token"),
-    TOKEN_IS_ALIVE(2, "Token is alive"),
     INVALID_ACTION(2, "Invalid action"),
     FILE_UPLOAD_ERROR(2, "File upload error"),
+    DUPLICATE_FILE_UPLOAD(2, "Duplicate file upload"),
     FILE_DOWNLOAD_ERROR(2, "File download error"),
-    USER_NOT_VERIFIED(2, "User not verified"),
-    USER_NOT_FOUND(2, "User not found"),
     FILE_DOWNLOAD_ERROR_NOT_CORRECT_FIELD(2, "Not correct field"),
     IMAGE_FOUND_ERROR(2, "Image found error"),
     INVALID_JSON_BODY(2, "Invalid fields in JSON object"),
@@ -25,7 +23,7 @@ public enum MessageCode {
     AUTH_TOKEN_NOT_FOUND(4, "Token not found"),
     FILE_NOT_FOUND(4, "File not found"),
     AUTH_PASSWORD_NOT_MATCHES(2, "Password does not match"),
-    USER_NOT_ACTIVE(2, "User not active");
+    SIMILAR_FILES_FOUND(0, "Similar files found");
 
     private final Integer code;
 

src/main/java/ru/soune/nocopy/dto/RegAnswer.java

@@ -1,4 +1,4 @@
-package ru.soune.nocopy.dto.register;
+package ru.soune.nocopy.dto;
 
 import lombok.AllArgsConstructor;
 import lombok.Data;
@@ -13,9 +13,5 @@ import java.util.Map;
 public class RegAnswer {
     private String Token;
 
-    private boolean isActive;
-
-    private boolean isVerified;
-
     private List<Map<String, String>> fieldErrors;
 }

src/main/java/ru/soune/nocopy/dto/RegRequest.java

@@ -1,4 +1,4 @@
-package ru.soune.nocopy.dto.register;
+package ru.soune.nocopy.dto;
 
 import com.fasterxml.jackson.annotation.JsonFormat;
 import jakarta.validation.constraints.*;

src/main/java/ru/soune/nocopy/dto/UserContentDTO.java

@@ -0,0 +1,14 @@
+package ru.soune.nocopy.dto;
+
+import lombok.Data;
+
+@Data
+public class UserContentDTO {
+    String fileName;
+    String originalFilename;
+    String fileType;
+    String fileExtension;
+    Long fileSize;
+    String filePath;
+    Integer protectionLevel;
+}

src/main/java/ru/soune/nocopy/dto/UserContentRequest.java

@@ -1,4 +1,4 @@
-package ru.soune.nocopy.dto.user;
+package ru.soune.nocopy.dto;
 
 import jakarta.validation.constraints.Email;
 import jakarta.validation.constraints.NotBlank;

src/main/java/ru/soune/nocopy/dto/UserContentResponse.java

@@ -0,0 +1,17 @@
+package ru.soune.nocopy.dto;
+
+import ru.soune.nocopy.entity.ContentStatus;
+import ru.soune.nocopy.entity.file.FileType;
+
+import java.time.LocalDateTime;
+
+public record UserContentResponse(
+        Long id,
+        String filename,
+        String originalFilename,
+        FileType fileType,
+        long fileSize,
+        String filePath,
+        ContentStatus status,
+        LocalDateTime uploadDate
+) {}

src/main/java/ru/soune/nocopy/dto/UserContentUpdateRequest.java

@@ -1,4 +1,4 @@
-package ru.soune.nocopy.dto.user;
+package ru.soune.nocopy.dto;
 
 import jakarta.validation.constraints.Email;
 import jakarta.validation.constraints.NotBlank;

src/main/java/ru/soune/nocopy/dto/UserDTO.java

@@ -1,11 +1,11 @@
-package ru.soune.nocopy.dto.user;
+package ru.soune.nocopy.dto;
 
 import lombok.AllArgsConstructor;
 import lombok.Builder;
 import lombok.Data;
 import lombok.NoArgsConstructor;
-import ru.soune.nocopy.entity.user.GenderType;
-import ru.soune.nocopy.entity.user.SubscriptionType;
+import ru.soune.nocopy.entity.GenderType;
+import ru.soune.nocopy.entity.SubscriptionType;
 
 import java.time.LocalDate;
 import java.time.LocalDateTime;

src/main/java/ru/soune/nocopy/dto/UserRequest.java

@@ -1,11 +1,11 @@
-package ru.soune.nocopy.dto.user;
+package ru.soune.nocopy.dto;
 
 import com.fasterxml.jackson.annotation.JsonFormat;
 import jakarta.validation.constraints.Email;
 import jakarta.validation.constraints.Past;
 import jakarta.validation.constraints.Size;
 import lombok.Data;
-import ru.soune.nocopy.entity.user.GenderType;
+import ru.soune.nocopy.entity.GenderType;
 
 import java.time.LocalDate;
 

src/main/java/ru/soune/nocopy/dto/file/SimilarFileResponse.java

@@ -0,0 +1,14 @@
+package ru.soune.nocopy.dto.file;
+
+import lombok.Builder;
+import lombok.Value;
+
+@Value
+@Builder
+public class SimilarFileResponse {
+    String fileId;
+    String originalFileName;
+    Long fileSize;
+    Integer hammingDistance;
+    String similarityLevel;
+}

src/main/java/ru/soune/nocopy/dto/file/SimilarityFilter.java

@@ -0,0 +1,18 @@
+package ru.soune.nocopy.dto.file;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.util.List;
+
+@Data
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+public class SimilarityFilter {
+    private List<String> similarityLevels;
+    private Integer page;
+    private Integer size;
+}

src/main/java/ru/soune/nocopy/dto/register/ResetPasswordRequest.java

@@ -1,24 +0,0 @@
-package ru.soune.nocopy.dto.register;
-
-import com.fasterxml.jackson.annotation.JsonProperty;
-import lombok.AllArgsConstructor;
-import lombok.Data;
-import lombok.NoArgsConstructor;
-
-@Data
-@AllArgsConstructor
-@NoArgsConstructor
-public class ResetPasswordRequest {
-
-    @JsonProperty("email")
-    private String email;
-
-    @JsonProperty("verifyToken")
-    private String verifyToken;
-
-    @JsonProperty("action")
-    private String action;
-
-    @JsonProperty("password")
-    private String password;
-}

src/main/java/ru/soune/nocopy/dto/register/ResetPasswordResponse.java

@@ -1,13 +0,0 @@
-package ru.soune.nocopy.dto.register;
-
-import com.fasterxml.jackson.annotation.JsonProperty;
-import lombok.Data;
-
-@Data
-public class ResetPasswordResponse {
-    @JsonProperty("user_id")
-    private Long userId;
-
-    @JsonProperty("authToken")
-    private String authToken;
-}

src/main/java/ru/soune/nocopy/dto/register/VerifyUserRequest.java

@@ -1,20 +0,0 @@
-package ru.soune.nocopy.dto.register;
-
-import com.fasterxml.jackson.annotation.JsonProperty;
-import lombok.AllArgsConstructor;
-import lombok.Data;
-import lombok.NoArgsConstructor;
-
-@Data
-@AllArgsConstructor
-@NoArgsConstructor
-public class VerifyUserRequest {
-    @JsonProperty("verify_token")
-    private String verifyToken;
-
-    @JsonProperty("user_id")
-    private Long userId;
-
-    @JsonProperty("resend")
-    private Integer resend;
-}

src/main/java/ru/soune/nocopy/entity/AuthToken.java

@@ -1,4 +1,4 @@
-package ru.soune.nocopy.entity.user;
+package ru.soune.nocopy.entity;
 
 import jakarta.persistence.*;
 import lombok.*;

src/main/java/ru/soune/nocopy/entity/ContentStatus.java

@@ -1,4 +1,4 @@
-package ru.soune.nocopy.entity.file;
+package ru.soune.nocopy.entity;
 
 import lombok.Getter;
 

src/main/java/ru/soune/nocopy/entity/GenderType.java

@@ -1,4 +1,4 @@
-package ru.soune.nocopy.entity.user;
+package ru.soune.nocopy.entity;
 
 public enum GenderType {
     MALE, FEMALE

src/main/java/ru/soune/nocopy/entity/ImageProtection.java

@@ -1,11 +1,9 @@
-package ru.soune.nocopy.entity.file;
+package ru.soune.nocopy.entity;
 
 import jakarta.persistence.*;
 import lombok.*;
 import org.springframework.data.annotation.CreatedDate;
 import org.springframework.data.jpa.domain.support.AuditingEntityListener;
-import ru.soune.nocopy.entity.user.User;
-import ru.soune.nocopy.entity.user.UserContent;
 
 import java.time.LocalDateTime;
 

src/main/java/ru/soune/nocopy/entity/SubscriptionType.java

@@ -1,4 +1,4 @@
-package ru.soune.nocopy.entity.user;
+package ru.soune.nocopy.entity;
 
 import lombok.Getter;
 

src/main/java/ru/soune/nocopy/entity/User.java

@@ -1,14 +1,11 @@
-package ru.soune.nocopy.entity.user;
+package ru.soune.nocopy.entity;
 
 import com.fasterxml.jackson.annotation.JsonIgnore;
 import jakarta.persistence.*;
 import jakarta.validation.constraints.Size;
 import lombok.*;
-import org.hibernate.annotations.ColumnDefault;
 import org.springframework.data.annotation.CreatedDate;
 import org.springframework.data.jpa.domain.support.AuditingEntityListener;
-import ru.soune.nocopy.entity.file.ImageProtection;
-import ru.soune.nocopy.entity.file.Violation;
 
 import java.time.LocalDate;
 import java.time.LocalDateTime;
@@ -36,9 +33,6 @@ public class User {
     @Column(name = "email", nullable = false, length = 1024, unique = true)
     private String email;
 
-    @Column(name = "email_verified")
-    private boolean emailVerified = false;
-
     @Column(name = "company")
     private String company;
 
@@ -70,23 +64,23 @@ public class User {
     private LocalDateTime lastLoginAt;
 
     @Column(name = "is_active")
-    private boolean isActive = false;
+    private Boolean isActive = true;
 
     @OneToMany(mappedBy = "user", cascade = CascadeType.ALL, orphanRemoval = true)
     @JsonIgnore
     @ToString.Exclude
     private List<AuthToken> tokens = new ArrayList<>();
 
-    @OneToOne(mappedBy = "user", cascade = CascadeType.ALL, orphanRemoval = true)
-    @JsonIgnore
-    @ToString.Exclude
-    private UserNotActive userNotActive;
-
     @OneToMany(mappedBy = "user", cascade = CascadeType.ALL, orphanRemoval = true)
     @JsonIgnore
     @ToString.Exclude
     private List<UserContent> userContents = new ArrayList<>();
 
+    @OneToMany(mappedBy = "user", cascade = CascadeType.ALL, orphanRemoval = true)
+    @JsonIgnore
+    @ToString.Exclude
+    private List<UserAction> userActions = new ArrayList<>();
+
     @OneToMany(mappedBy = "user", cascade = CascadeType.ALL, orphanRemoval = true)
     @JsonIgnore
     @ToString.Exclude
@@ -96,8 +90,4 @@ public class User {
     @JsonIgnore
     @ToString.Exclude
     private List<ImageProtection> imageProtections = new ArrayList<>();
-
-    @Column(name = "failed_login_attempts")
-    @ColumnDefault("0")
-    private Integer failedLoginAttempts = 0;
 }

src/main/java/ru/soune/nocopy/entity/UserAction.java

@@ -0,0 +1,44 @@
+package ru.soune.nocopy.entity;
+
+import jakarta.persistence.*;
+import lombok.*;
+import org.springframework.data.annotation.CreatedDate;
+import org.springframework.data.jpa.domain.support.AuditingEntityListener;
+
+import java.time.LocalDateTime;
+
+@Entity
+@Table(name = "user_actions")
+@Getter
+@Setter
+@NoArgsConstructor
+@AllArgsConstructor
+@ToString
+@EntityListeners(AuditingEntityListener.class)
+public class UserAction {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long actionId;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "user_id", nullable = false)
+    @ToString.Exclude
+    private User user;
+
+    @Column(name = "action", nullable = false, length = 100)
+    private String action;
+
+    @Column(name = "details", columnDefinition = "TEXT")
+    private String details;
+
+    @Column(name = "ip_address", length = 45)
+    private String ipAddress;
+
+    @Column(name = "user_agent", columnDefinition = "TEXT")
+    private String userAgent;
+
+    @CreatedDate
+    @Column(name = "created_at", nullable = false, updatable = false)
+    private LocalDateTime createdAt;
+}

src/main/java/ru/soune/nocopy/entity/UserContent.java

@@ -1,10 +1,9 @@
-package ru.soune.nocopy.entity.user;
+package ru.soune.nocopy.entity;
 
 import jakarta.persistence.*;
 import lombok.*;
 import org.springframework.data.annotation.CreatedDate;
 import org.springframework.data.jpa.domain.support.AuditingEntityListener;
-import ru.soune.nocopy.entity.file.ContentStatus;
 import ru.soune.nocopy.entity.file.FileType;
 
 import java.time.LocalDateTime;

src/main/java/ru/soune/nocopy/entity/Violation.java

@@ -1,10 +1,9 @@
-package ru.soune.nocopy.entity.file;
+package ru.soune.nocopy.entity;
 
 import jakarta.persistence.*;
 import lombok.*;
 import org.springframework.data.annotation.CreatedDate;
 import org.springframework.data.jpa.domain.support.AuditingEntityListener;
-import ru.soune.nocopy.entity.user.User;
 
 import java.time.LocalDateTime;
 

src/main/java/ru/soune/nocopy/entity/file/FileEntity.java

@@ -1,5 +1,6 @@
 package ru.soune.nocopy.entity.file;
 
+import com.fasterxml.jackson.annotation.JsonIgnore;
 import jakarta.persistence.*;
 import lombok.*;
 import org.hibernate.annotations.GenerationTime;
@@ -65,6 +66,10 @@ public class FileEntity {
     @Column(name = "updated_at")
     private LocalDateTime updatedAt;
 
+    @OneToOne(mappedBy = "file", cascade = CascadeType.ALL, orphanRemoval = true)
+    @JsonIgnore
+    private ImageHashEntity imageHash;
+
     @PrePersist
     public void prePersist() {
         if (this.status == null) {

src/main/java/ru/soune/nocopy/entity/file/FileUploadSession.java

@@ -69,6 +69,7 @@ public class FileUploadSession {
     private String extension;
 
     @Column(name = "retry_count")
+    @Builder.Default
     private Integer retryCount = 0;
 
     @Column(name = "completed_at")
@@ -81,6 +82,7 @@ public class FileUploadSession {
     )
     @MapKeyColumn(name = "chunk_number")
     @Column(name = "chunk_path")
+    @Builder.Default
     private Map<Integer, String> chunkPaths = new HashMap<>();
 
     @PrePersist

src/main/java/ru/soune/nocopy/entity/file/ImageHashEntity.java

@@ -0,0 +1,39 @@
+package ru.soune.nocopy.entity.file;
+
+import jakarta.persistence.*;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.time.LocalDateTime;
+
+@Entity
+@Table(name = "image_hashes")
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
+@Builder
+public class ImageHashEntity {
+
+    @Id
+    @Column(name = "file_id")
+    private String fileId;
+
+    @OneToOne(fetch = FetchType.LAZY)
+    @MapsId
+    @JoinColumn(name = "file_id")
+    private FileEntity file;
+
+    @Column(name = "hash64_hi")
+    private Integer hash64Hi;
+
+    @Column(name = "hash64_lo")
+    private Integer hash64Lo;
+
+    @Column(name = "hash_algorithm", nullable = false)
+    private String hashAlgorithm;
+
+    @Column(name = "created_at")
+    private LocalDateTime createdAt;
+}

src/main/java/ru/soune/nocopy/entity/user/EmailVerificationToken.java

@@ -1,35 +0,0 @@
-package ru.soune.nocopy.entity.user;
-
-import jakarta.persistence.*;
-import lombok.*;
-import java.time.LocalDateTime;
-
-@Entity
-@Table(name = "email_verification_tokens")
-@Getter
-@Setter
-@NoArgsConstructor
-@AllArgsConstructor
-public class EmailVerificationToken {
-
-    @Id
-    @GeneratedValue(strategy = GenerationType.IDENTITY)
-    private Long id;
-
-    @ManyToOne(fetch = FetchType.LAZY)
-    @JoinColumn(name = "user_id", nullable = false)
-    private User user;
-
-    @Column(name = "token", nullable = false, length = 6)
-    private String token;
-
-    @Column(name = "expires_at", nullable = false)
-    private LocalDateTime expiresAt = LocalDateTime.now().plusMinutes(15);
-
-    @Column(name = "created_at", nullable = false)
-    private LocalDateTime createdAt;
-
-    public boolean isExpired() {
-        return LocalDateTime.now().isAfter(expiresAt);
-    }
-}

src/main/java/ru/soune/nocopy/entity/user/UserNotActive.java

@@ -1,32 +0,0 @@
-package ru.soune.nocopy.entity.user;
-
-import jakarta.persistence.*;
-import lombok.*;
-import org.springframework.data.annotation.CreatedDate;
-
-import java.time.LocalDateTime;
-
-@Entity
-@Table(name = "user_not_active")
-@Getter
-@Setter
-@NoArgsConstructor
-@AllArgsConstructor
-@ToString
-@Builder
-public class UserNotActive {
-
-    @Id
-    @GeneratedValue(strategy = GenerationType.IDENTITY)
-    private Long id;
-
-    @OneToOne(fetch = FetchType.LAZY)
-    private User user;
-
-    @CreatedDate
-    @Column(name = "created_at", updatable = false)
-    private LocalDateTime createdAt;
-
-    @Column(name = "blocked_until")
-    private LocalDateTime blockedUntil;
-}

src/main/java/ru/soune/nocopy/exception/DuplicateImageException.java

@@ -0,0 +1,20 @@
+package ru.soune.nocopy.exception;
+
+public class DuplicateImageException extends RuntimeException {
+    private final String duplicateFileId;
+    private final Long userId;
+
+    public DuplicateImageException(String message, String duplicateFileId, Long userId) {
+        super(message);
+        this.duplicateFileId = duplicateFileId;
+        this.userId = userId;
+    }
+
+    public String duplicateFileId() {
+        return duplicateFileId;
+    }
+
+    public Long userId() {
+        return userId;
+    }
+}

src/main/java/ru/soune/nocopy/handler/AuthRequestHandler.java

@@ -9,7 +9,7 @@ import ru.soune.nocopy.dto.BaseResponse;
 import ru.soune.nocopy.dto.MessageCode;
 import ru.soune.nocopy.dto.TokenProcessRequest;
 import ru.soune.nocopy.exception.NotFoundAuthToken;
-import ru.soune.nocopy.service.register.AuthService;
+import ru.soune.nocopy.service.auth.AuthService;
 
 import java.util.Map;
 

src/main/java/ru/soune/nocopy/handler/FileEntityHandler.java

@@ -6,13 +6,12 @@ import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Component;
 import ru.soune.nocopy.dto.*;
 import ru.soune.nocopy.dto.file.*;
-import ru.soune.nocopy.entity.user.AuthToken;
 import ru.soune.nocopy.entity.file.FileEntity;
 import ru.soune.nocopy.entity.file.FileStatus;
 import ru.soune.nocopy.exception.FileEntityNotFoundException;
 import ru.soune.nocopy.exception.NotFoundAuthToken;
 import ru.soune.nocopy.repository.FileEntityRepository;
-import ru.soune.nocopy.service.register.AuthService;
+import ru.soune.nocopy.service.auth.AuthService;
 import ru.soune.nocopy.service.file.FileEntityService;
 import ru.soune.nocopy.service.file.FileStatsService;
 

src/main/java/ru/soune/nocopy/handler/FileUploadHandler.java

@@ -10,14 +10,14 @@ import org.springframework.validation.BindingResult;
 import org.springframework.validation.FieldError;
 import ru.soune.nocopy.dto.*;
 import ru.soune.nocopy.dto.file.*;
-import ru.soune.nocopy.entity.user.AuthToken;
+import ru.soune.nocopy.entity.AuthToken;
 import ru.soune.nocopy.entity.file.FileType;
 import ru.soune.nocopy.entity.file.FileUploadSession;
 import ru.soune.nocopy.exception.*;
 import ru.soune.nocopy.handler.validator.FileUploadRequestValidator;
 import ru.soune.nocopy.repository.AuthTokenRepository;
 import ru.soune.nocopy.repository.FileUploadSessionRepository;
-import ru.soune.nocopy.service.register.AuthService;
+import ru.soune.nocopy.service.auth.AuthService;
 import ru.soune.nocopy.service.file.FileUploadService;
 
 import java.util.*;
@@ -177,40 +177,13 @@ public class FileUploadHandler implements RequestHandler {
         }
     }
 
-    private BaseResponse handleRetryUpload(BaseRequest request, FileUploadRequest fileRequest) {
-        try {
-            fileUploadService.retryFailedUpload(fileRequest.getUploadId());
-            ru.soune.nocopy.dto.file.UploadProgressResponse progress =
-                    fileUploadService.getUploadProgress(fileRequest.getUploadId());
-
-            RetryUploadResponse response = RetryUploadResponse.builder()
-                    .uploadId(progress.getUploadId())
-                    .message("Upload retry initiated")
-                    .status(progress.getStatus().toString())
-                    .build();
-
-            return new BaseResponse(request.getMsgId(), MessageCode.SUCCESS.getCode(), "Upload retry initiated",
-                    response);
-
-        } catch (UploadSessionNotFoundException e) {
-            return new BaseResponse(request.getMsgId(), MessageCode.FILE_NOT_FOUND.getCode(),
-                    "Upload session not found", null);
-        } catch (FileUploadException e) {
-            return new BaseResponse(request.getMsgId(), MessageCode.FILE_UPLOAD_ERROR.getCode(), e.getMessage(),
-                    null);
-        } catch (Exception e) {
-            log.error("Error retrying upload", e);
-            return new BaseResponse(request.getMsgId(), MessageCode.FILE_UPLOAD_ERROR.getCode(),
-                    "Failed to retry upload", null);
-        }
-    }
-
     private BaseResponse handleGetChunkStatus(BaseRequest request, FileUploadRequest fileRequest) {
         try {
             FileUploadSession session = fileUploadSessionRepository.findById(fileRequest.getUploadId())
                     .orElseThrow(() -> new UploadSessionNotFoundException(fileRequest.getUploadId()));
 
             Map<String, Boolean> chunkStatus = new HashMap<>();
+
             for (int i = 0; i < session.getTotalChunks(); i++) {
                 chunkStatus.put("chunk_" + i, session.getChunkPaths().containsKey(i));
             }
@@ -225,7 +198,6 @@ public class FileUploadHandler implements RequestHandler {
 
             return new BaseResponse(request.getMsgId(), MessageCode.SUCCESS.getCode(),
                     MessageCode.SUCCESS.getDescription(), response);
-
         } catch (UploadSessionNotFoundException e) {
             return new BaseResponse(request.getMsgId(), MessageCode.FILE_NOT_FOUND.getCode(),
                     "Upload session not found", null);

src/main/java/ru/soune/nocopy/handler/GlobalExceptionHandler.java

@@ -5,15 +5,16 @@ import org.springframework.context.support.DefaultMessageSourceResolvable;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.MethodArgumentNotValidException;
-import org.springframework.web.bind.annotation.ExceptionHandler;
-import org.springframework.web.bind.annotation.ResponseStatus;
-import org.springframework.web.bind.annotation.RestControllerAdvice;
+import org.springframework.web.bind.annotation.*;
+import ru.soune.nocopy.dto.BaseResponse;
+import ru.soune.nocopy.dto.MessageCode;
 import ru.soune.nocopy.exception.*;
 
 import java.util.Map;
 
 @RestControllerAdvice
 @AllArgsConstructor
+@ControllerAdvice
 public class GlobalExceptionHandler {
 
     @ExceptionHandler(MethodArgumentNotValidException.class)
@@ -81,4 +82,12 @@ public class GlobalExceptionHandler {
                         "message" ,ex.getMessage()
                 ));
     }
+
+    @ExceptionHandler(DuplicateImageException.class)
+    @ResponseBody
+    public ResponseEntity<BaseResponse> handleDuplicateImage(DuplicateImageException e) {
+        return ResponseEntity.ok().body(new BaseResponse(
+                20004, MessageCode.DUPLICATE_FILE_UPLOAD.getCode(),
+                "Duplicate image detected", e.getMessage()));
+    }
 }

src/main/java/ru/soune/nocopy/handler/ImageFoundRequestHandler.java

@@ -3,13 +3,14 @@ package ru.soune.nocopy.handler;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Component;
 import ru.soune.nocopy.dto.BaseRequest;
 import ru.soune.nocopy.dto.BaseResponse;
 import ru.soune.nocopy.dto.MessageCode;
 import ru.soune.nocopy.dto.file.ImageSearchRequest;
 import ru.soune.nocopy.dto.file.YandexSearchResponse;
-import ru.soune.nocopy.service.search.YandexSearchService;
+import ru.soune.nocopy.service.YandexSearchService;
 
 @Slf4j
 @Component

src/main/java/ru/soune/nocopy/handler/LoginRequestHandler.java

@@ -4,13 +4,10 @@ import com.fasterxml.jackson.databind.ObjectMapper;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Component;
 import ru.soune.nocopy.dto.*;
-import ru.soune.nocopy.dto.register.LoginAnswer;
-import ru.soune.nocopy.dto.register.LoginRequest;
-import ru.soune.nocopy.entity.user.AuthToken;
-import ru.soune.nocopy.entity.user.User;
+import ru.soune.nocopy.entity.AuthToken;
 import ru.soune.nocopy.exception.NotValidFieldException;
 import ru.soune.nocopy.repository.UserRepository;
-import ru.soune.nocopy.service.register.AuthService;
+import ru.soune.nocopy.service.auth.AuthService;
 
 import java.util.Arrays;
 import java.util.Map;
@@ -28,9 +25,8 @@ public class LoginRequestHandler implements RequestHandler {
     @Override
     public BaseResponse handle(BaseRequest request) {
         LoginRequest loginRequest = objectMapper.convertValue(request.getMessageBody(), LoginRequest.class);
-        User user = userRepository.findByEmail(loginRequest.getEmail());
 
-        if (user == null) {
+        if (!userRepository.existsByEmail(loginRequest.getEmail())) {
             LoginAnswer loginAnswer = new LoginAnswer();
             loginAnswer.setFieldErrors(Arrays.asList(Map.of("email", loginRequest.getEmail())));
 
@@ -39,17 +35,6 @@ public class LoginRequestHandler implements RequestHandler {
                             MessageCode.AUTH_EMAIL_NOT_FOUND.getDescription(), loginAnswer));
         }
 
-        if (!user.isActive() && !user.isEmailVerified()) {
-            LoginAnswer loginAnswer = new LoginAnswer();
-
-            loginAnswer.setFieldErrors(Arrays.asList(Map.of(
-                    "verified", String.valueOf(user.isEmailVerified()),
-                    "isActive", String.valueOf(user.isActive()))));
-
-            return new BaseResponse(request.getMsgId(), MessageCode.USER_NOT_VERIFIED.getCode(),
-                    MessageCode.USER_NOT_VERIFIED.getDescription(), loginAnswer);
-        }
-
         AuthToken authToken = authService.login(loginRequest);
         String token = authToken.getToken();
 

src/main/java/ru/soune/nocopy/handler/LogoutRequestHandler.java

@@ -4,14 +4,12 @@ import com.fasterxml.jackson.databind.ObjectMapper;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Component;
 import ru.soune.nocopy.dto.*;
-import ru.soune.nocopy.dto.register.LogOutAnswer;
-import ru.soune.nocopy.dto.register.LogoutRequest;
-import ru.soune.nocopy.entity.user.AuthToken;
-import ru.soune.nocopy.entity.user.User;
+import ru.soune.nocopy.entity.AuthToken;
+import ru.soune.nocopy.entity.User;
 import ru.soune.nocopy.exception.NotValidFieldException;
 import ru.soune.nocopy.repository.AuthTokenRepository;
 import ru.soune.nocopy.repository.UserRepository;
-import ru.soune.nocopy.service.register.AuthService;
+import ru.soune.nocopy.service.auth.AuthService;
 
 import java.util.Objects;
 import java.util.Optional;
@@ -33,16 +31,16 @@ public class LogoutRequestHandler implements RequestHandler {
         LogoutRequest logoutRequest = objectMapper.convertValue(request.getMessageBody(), LogoutRequest.class);
 
         Optional<AuthToken> opToken = authTokenRepository.findByToken(logoutRequest.getToken());
-        User user = userRepository.findByEmail(logoutRequest.getEmail());
+        Optional<User> user = userRepository.findByEmail(logoutRequest.getEmail());
 
-        if (opToken.isEmpty() || user == null) {
+        if (opToken.isEmpty() || user.isEmpty()) {
             throw new NotValidFieldException("User with email or token not found",
                     new BaseResponse(request.getMsgId(), MessageCode.AUTH_EMAIL_OR_TOKEN_NOT_FOUND.getCode(),
                             MessageCode.AUTH_EMAIL_OR_TOKEN_NOT_FOUND.getDescription(),
                             new LogoutRequest(logoutRequest.getEmail(), logoutRequest.getToken())));
         }
 
-        if (!Objects.equals(opToken.get().getUser().getId(), user.getId())) {
+        if (!Objects.equals(opToken.get().getUser().getId(), user.get().getId())) {
             throw new NotValidFieldException("User token mismatch with user",
                     new BaseResponse(request.getMsgId(), MessageCode.AUTH_TOKEN_MISMATCH.getCode(),
                             MessageCode.AUTH_TOKEN_MISMATCH.getDescription(),

src/main/java/ru/soune/nocopy/handler/RegRequestHandler.java

@@ -7,16 +7,12 @@ import org.springframework.stereotype.Component;
 import org.springframework.validation.BeanPropertyBindingResult;
 import org.springframework.validation.BindingResult;
 import ru.soune.nocopy.dto.*;
-import ru.soune.nocopy.dto.register.RegAnswer;
-import ru.soune.nocopy.dto.register.RegRequest;
-import ru.soune.nocopy.entity.user.AuthToken;
-import ru.soune.nocopy.entity.user.EmailVerificationToken;
+import ru.soune.nocopy.entity.AuthToken;
 import ru.soune.nocopy.exception.NotValidFieldException;
 import ru.soune.nocopy.exception.ValidationException;
 import ru.soune.nocopy.handler.validator.RegRequestValidator;
 import ru.soune.nocopy.repository.UserRepository;
-import ru.soune.nocopy.service.register.AuthService;
-import ru.soune.nocopy.service.mail.EmailService;
+import ru.soune.nocopy.service.auth.AuthService;
 
 import java.util.Arrays;
 import java.util.Map;
@@ -33,8 +29,6 @@ public class RegRequestHandler implements RequestHandler {
 
     private final ObjectMapper objectMapper;
 
-    private final EmailService emailService;
-
     @Override
     public BaseResponse handle(BaseRequest request) throws ValidationException {
         RegRequest regRequest = objectMapper.convertValue(request.getMessageBody(), RegRequest.class);
@@ -51,7 +45,6 @@ public class RegRequestHandler implements RequestHandler {
         }
 
         BindingResult bindingResult = new BeanPropertyBindingResult(regRequest, "regRequest");
-
         regRequestValidator.validate(regRequest, bindingResult);
 
         if (bindingResult.hasErrors()) {
@@ -59,16 +52,11 @@ public class RegRequestHandler implements RequestHandler {
         }
 
         AuthToken authToken = authService.register(regRequest);
-        EmailVerificationToken emailToken = emailService.createEmailVerificationToken(authToken);
-
-        emailService.sendVerificationEmail(authToken.getUser(), emailToken.getToken());
         String token = authToken.getToken();
         authService.useUserAuthToken(token);
 
         RegAnswer regAnswer = new RegAnswer();
         regAnswer.setToken(token);
-        regAnswer.setVerified(false);
-        regAnswer.setActive(false);
 
         return new BaseResponse(request.getMsgId(), MessageCode.SUCCESS.getCode(),
                 MessageCode.SUCCESS.getDescription(), regAnswer);

src/main/java/ru/soune/nocopy/handler/ResetPasswordHandler.java

@@ -1,112 +0,0 @@
-package ru.soune.nocopy.handler;
-
-import com.fasterxml.jackson.databind.ObjectMapper;
-import lombok.RequiredArgsConstructor;
-import lombok.extern.slf4j.Slf4j;
-import org.springframework.security.crypto.password.PasswordEncoder;
-import org.springframework.stereotype.Component;
-import ru.soune.nocopy.dto.BaseRequest;
-import ru.soune.nocopy.dto.BaseResponse;
-import ru.soune.nocopy.dto.MessageCode;
-import ru.soune.nocopy.dto.file.ActionResponse;
-import ru.soune.nocopy.dto.register.ResetPasswordRequest;
-import ru.soune.nocopy.dto.register.ResetPasswordResponse;
-import ru.soune.nocopy.entity.user.AuthToken;
-import ru.soune.nocopy.entity.user.EmailVerificationToken;
-import ru.soune.nocopy.entity.user.User;
-import ru.soune.nocopy.exception.NotValidFieldException;
-import ru.soune.nocopy.exception.UserNotFoundException;
-import ru.soune.nocopy.repository.AuthTokenRepository;
-import ru.soune.nocopy.repository.EmailVerificationTokenRepository;
-import ru.soune.nocopy.repository.UserRepository;
-import ru.soune.nocopy.service.mail.EmailService;
-import ru.soune.nocopy.service.register.AuthService;
-
-import java.util.Arrays;
-import java.util.List;
-import java.util.Map;
-import java.util.Optional;
-
-@Component
-@Slf4j
-@RequiredArgsConstructor
-public class ResetPasswordHandler implements RequestHandler{
-
-    private final ObjectMapper objectMapper;
-
-    private final EmailService emailService;
-
-    private final AuthService authService;
-
-    private final UserRepository userRepository;
-
-    private final EmailVerificationTokenRepository emailVerificationTokenRepository;
-
-    private final AuthTokenRepository authTokenRepository;
-
-    private final PasswordEncoder passwordEncoder;
-
-    @Override
-    public BaseResponse handle(BaseRequest request) throws Exception {
-        ResetPasswordRequest resetPasswordRequest = objectMapper.convertValue(request.getMessageBody(),
-                ResetPasswordRequest.class);
-        String action = resetPasswordRequest.getAction();
-        User user = userRepository.findByEmail(resetPasswordRequest.getEmail());
-        AuthToken authToken;
-
-        if (user == null) {
-            throw new UserNotFoundException("User not found with email: " + resetPasswordRequest.getEmail());
-        }
-
-        switch (action) {
-            case "resetPassword":
-                authToken = authService.generateAuthToken(user);
-
-                EmailVerificationToken emailToken = emailService.createEmailVerificationToken(authToken);
-
-                emailService.sendResetPasswordEmail(authToken.getUser(), emailToken.getToken());
-
-                return successResponse(request, authToken, user, MessageCode.SUCCESS.getDescription());
-            case "confirmVerification":
-                String verifyToken = resetPasswordRequest.getVerifyToken();
-
-                EmailVerificationToken verificationToken =
-                        emailVerificationTokenRepository.findByUserIdAndToken(user.getId(), verifyToken);
-
-                if (verificationToken == null) {
-                    throw new NotValidFieldException("Verification token not found",
-                            new BaseResponse(request.getMsgId(), MessageCode.INVALID_TOKEN.getCode(),
-                                    MessageCode.INVALID_TOKEN.getDescription(), Map.of("verifyToken", verifyToken)));
-                }
-                List<AuthToken> authTokens = authTokenRepository.findByUserId(user.getId());
-
-                authToken = authTokens.isEmpty() ? authService.generateAuthToken(user): authTokens.getFirst();
-
-                user.setPassword(passwordEncoder.encode(resetPasswordRequest.getPassword()));
-                user.setActive(true);
-
-                emailVerificationTokenRepository.delete(verificationToken);
-
-                User saveUser = userRepository.save(user);
-
-                return successResponse(request, authToken, saveUser, MessageCode.SUCCESS.getDescription());
-            default:
-                ActionResponse response = ActionResponse.builder()
-                        .action(action)
-                        .availableActions(Arrays.asList("confirmVerification", "resetPassword"))
-                        .build();
-
-                return new BaseResponse(request.getMsgId(), MessageCode.INVALID_ACTION.getCode(),
-                        "Invalid action: " + action, response);
-
-        }
-    }
-
-    private BaseResponse successResponse(BaseRequest request, AuthToken authToken, User user, String message) {
-        ResetPasswordResponse resetPasswordResponse = new ResetPasswordResponse();
-        resetPasswordResponse.setAuthToken(authToken.getToken());
-        resetPasswordResponse.setUserId(user.getId());
-
-        return new BaseResponse(request.getMsgId(), MessageCode.SUCCESS.getCode(), message, resetPasswordResponse);
-    }
-}

src/main/java/ru/soune/nocopy/handler/VerifyRegisterUserHandler.java

@@ -1,119 +0,0 @@
-package ru.soune.nocopy.handler;
-
-import com.fasterxml.jackson.databind.ObjectMapper;
-import lombok.RequiredArgsConstructor;
-import lombok.extern.slf4j.Slf4j;
-import org.springframework.stereotype.Component;
-import ru.soune.nocopy.dto.BaseRequest;
-import ru.soune.nocopy.dto.BaseResponse;
-import ru.soune.nocopy.dto.MessageCode;
-import ru.soune.nocopy.dto.register.RegAnswer;
-import ru.soune.nocopy.dto.register.VerifyUserRequest;
-import ru.soune.nocopy.entity.user.AuthToken;
-import ru.soune.nocopy.entity.user.EmailVerificationToken;
-import ru.soune.nocopy.entity.user.User;
-import ru.soune.nocopy.exception.NotValidFieldException;
-import ru.soune.nocopy.exception.UserNotFoundException;
-import ru.soune.nocopy.repository.AuthTokenRepository;
-import ru.soune.nocopy.repository.EmailVerificationTokenRepository;
-import ru.soune.nocopy.repository.UserRepository;
-import ru.soune.nocopy.service.mail.EmailService;
-import ru.soune.nocopy.service.register.AuthService;
-import ru.soune.nocopy.service.user.UserService;
-
-import java.util.List;
-import java.util.Map;
-import java.util.Optional;
-
-@Component
-@Slf4j
-@RequiredArgsConstructor
-public class VerifyRegisterUserHandler implements RequestHandler {
-    private final ObjectMapper objectMapper;
-
-    private final EmailVerificationTokenRepository emailVerificationTokenRepository;
-
-    private final EmailService emailService;
-
-    private final UserRepository userRepository;
-
-    private final UserService userService;
-
-    private final AuthTokenRepository authTokenRepository;
-
-    private final AuthService authService;
-
-    @Override
-    public BaseResponse handle(BaseRequest request) {
-        VerifyUserRequest verifyUserRequest = objectMapper.convertValue(request.getMessageBody(), VerifyUserRequest.class);
-
-        Long userId = verifyUserRequest.getUserId();
-
-        User user = userRepository.findById(userId)
-                .orElseThrow(() -> new UserNotFoundException("User not found with id: " + userId));
-
-        List<AuthToken> authTokens = authTokenRepository.findByUserId(user.getId());
-
-        AuthToken authToken = authTokens.isEmpty() ? authService.generateAuthToken(user): authTokens.getFirst();
-
-        if (verifyUserRequest.getResend() != null && verifyUserRequest.getResend() == 1) {
-            return handleResend(request, user, authToken);
-        }
-
-        return handleVerify(request, user, authToken, verifyUserRequest.getVerifyToken());
-    }
-
-    private BaseResponse handleResend(BaseRequest request, User user, AuthToken authToken) {
-
-        EmailVerificationToken token = emailVerificationTokenRepository.findByUserId(user.getId());
-
-        if (token != null && !token.isExpired()) {
-            emailService.sendVerificationEmail(user, token.getToken());
-
-            log.info("Verification token resent for user {}", user.getEmail());
-            return successResponse(request, authToken, "Verification code has been resent", false, false);
-        }
-
-        if (token != null) {
-            emailVerificationTokenRepository.delete(token);
-        }
-
-        EmailVerificationToken newToken = emailService.createEmailVerificationToken(authToken);
-
-        emailService.sendVerificationEmail(user, newToken.getToken());
-
-        log.info("New verification token generated for user {}", user.getEmail());
-
-        return successResponse(request, authToken, "New verification code has been sent",
-                false, false);
-    }
-
-
-    private BaseResponse handleVerify(BaseRequest request, User user, AuthToken authToken, String providedToken) {
-
-        EmailVerificationToken token = emailVerificationTokenRepository.findByUserIdAndToken(user.getId(), providedToken);
-
-        if (token == null || token.isExpired()) {
-            throw new NotValidFieldException("Invalid or expired token",
-                    new BaseResponse(request.getMsgId(), MessageCode.INVALID_TOKEN.getCode(),
-                            MessageCode.INVALID_TOKEN.getDescription(), Map.of("userId", user.getId())));
-        }
-
-        User updateUser = userService.activateAndVerifyUser(user.getId());
-        emailVerificationTokenRepository.delete(token);
-
-        return successResponse(request, authToken, MessageCode.SUCCESS.getDescription(), updateUser.isActive(),
-                updateUser.isEmailVerified());
-    }
-
-    private BaseResponse successResponse(BaseRequest request, AuthToken authToken, String message, boolean isActive,
-                                         boolean isVerified) {
-
-        RegAnswer regAnswer = new RegAnswer();
-        regAnswer.setToken(authToken.getToken());
-        regAnswer.setVerified(isVerified);
-        regAnswer.setActive(isActive);
-
-        return new BaseResponse(request.getMsgId(), MessageCode.SUCCESS.getCode(), message, regAnswer);
-    }
-}

src/main/java/ru/soune/nocopy/handler/validator/RegRequestValidator.java

@@ -1,11 +1,14 @@
 package ru.soune.nocopy.handler.validator;
 
+import org.apache.commons.validator.routines.DomainValidator;
 import org.apache.commons.validator.routines.EmailValidator;
 import org.springframework.stereotype.Component;
 import org.springframework.validation.Errors;
 import org.springframework.validation.Validator;
-import ru.soune.nocopy.dto.register.RegRequest;
+import ru.soune.nocopy.dto.RegRequest;
 
+import java.net.InetAddress;
+import java.net.UnknownHostException;
 import java.util.*;
 
 @Component

src/main/java/ru/soune/nocopy/mapper/UserContentMapper.java

@@ -4,8 +4,8 @@ import org.mapstruct.Mapper;
 import org.mapstruct.MappingTarget;
 import org.mapstruct.NullValuePropertyMappingStrategy;
 import org.mapstruct.factory.Mappers;
-import ru.soune.nocopy.dto.user.UserContentUpdateRequest;
-import ru.soune.nocopy.entity.user.UserContent;
+import ru.soune.nocopy.dto.UserContentUpdateRequest;
+import ru.soune.nocopy.entity.UserContent;
 
 @Mapper(componentModel = "spring",
         nullValuePropertyMappingStrategy = NullValuePropertyMappingStrategy.IGNORE)

src/main/java/ru/soune/nocopy/mapper/UserMapper.java

@@ -3,8 +3,8 @@ package ru.soune.nocopy.mapper;
 import org.mapstruct.Mapper;
 import org.mapstruct.NullValuePropertyMappingStrategy;
 import org.mapstruct.factory.Mappers;
-import ru.soune.nocopy.dto.user.UserDTO;
-import ru.soune.nocopy.entity.user.User;
+import ru.soune.nocopy.dto.UserDTO;
+import ru.soune.nocopy.entity.User;
 
 @Mapper(componentModel = "spring",
         nullValuePropertyMappingStrategy = NullValuePropertyMappingStrategy.IGNORE)

src/main/java/ru/soune/nocopy/repository/AuthTokenRepository.java

@@ -2,7 +2,7 @@ package ru.soune.nocopy.repository;
 
 import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.stereotype.Repository;
-import ru.soune.nocopy.entity.user.AuthToken;
+import ru.soune.nocopy.entity.AuthToken;
 
 import java.time.LocalDateTime;
 import java.util.List;
@@ -13,6 +13,4 @@ public interface AuthTokenRepository extends JpaRepository<AuthToken, Long> {
     List<AuthToken> findByExpiresAtBefore(LocalDateTime expiresAtBefore);
     Optional<AuthToken> findByLastUsedAtBefore(LocalDateTime lastUsedAt);
     Optional<AuthToken> findByToken(String token);
-    Optional<AuthToken> findByUserIdAndIsActive(Long userId, boolean isActive);
-    List<AuthToken> findByUserId(Long userId);
 }

src/main/java/ru/soune/nocopy/repository/EmailVerificationTokenRepository.java

@@ -1,15 +0,0 @@
-package ru.soune.nocopy.repository;
-
-import org.springframework.data.jpa.repository.JpaRepository;
-import ru.soune.nocopy.entity.user.EmailVerificationToken;
-
-import java.time.LocalDateTime;
-import java.util.List;
-import java.util.Optional;
-
-public interface EmailVerificationTokenRepository extends JpaRepository<EmailVerificationToken, Long> {
-    Optional<EmailVerificationToken> findByToken(String token);
-    EmailVerificationToken findByUserIdAndToken(Long userId, String token);
-    List<EmailVerificationToken> findByExpiresAtBefore(LocalDateTime expiresAtBefore);
-    EmailVerificationToken findByUserId(Long userId);
-}

src/main/java/ru/soune/nocopy/repository/FileEntityRepository.java

@@ -30,5 +30,8 @@ public interface FileEntityRepository extends JpaRepository<FileEntity, String>
     @Query("SELECT f FROM FileEntity f WHERE f.userId = :userId AND f.originalFileName LIKE %:keyword%")
     List<FileEntity> searchByFileName(@Param("userId") Long userId, @Param("keyword") String keyword);
 
+    @Query("SELECT f FROM FileEntity f WHERE f.status = :status")
+    List<FileEntity> searchFileEntityByStatus(@Param("status") FileStatus status);
+
     long countByUserId(Long userId);
 }

src/main/java/ru/soune/nocopy/repository/ImageHashRepository.java

@@ -0,0 +1,10 @@
+package ru.soune.nocopy.repository;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+import ru.soune.nocopy.entity.file.ImageHashEntity;
+
+@Repository
+public interface ImageHashRepository extends JpaRepository<ImageHashEntity, String> {
+    void deleteByFileId(String fileId);
+}

src/main/java/ru/soune/nocopy/repository/ImageSimilarityRepository.java

@@ -0,0 +1,54 @@
+package ru.soune.nocopy.repository;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.data.repository.query.Param;
+import org.springframework.stereotype.Repository;
+import ru.soune.nocopy.entity.file.FileEntity;
+
+import java.util.List;
+
+@Repository
+public interface ImageSimilarityRepository
+        extends JpaRepository<FileEntity, String> {
+
+    @Query(value = """
+
+            SELECT
+            f.id AS similarFileId,
+            f.original_file_name AS originalFileName,
+            f.file_size AS fileSize,
+            h.hash64_hi AS hash64Hi,
+            h.hash64_lo AS hash64Lo
+        FROM image_hashes ref
+        JOIN image_hashes h
+            ON ref.file_id <> h.file_id
+        JOIN file_entities f
+            ON f.id = h.file_id
+        WHERE ref.file_id = :fileId
+        """,
+            nativeQuery = true)
+    List<SimilarImageProjection> findCandidates(
+            @Param("fileId") String fileId
+    );
+
+    @Query(value = """
+    SELECT
+        h.hash64_hi AS hash64Hi,
+        h.hash64_lo AS hash64Lo,
+        h.file_id AS fileId,
+        f.user_id AS userId,
+        f.original_file_name AS originalFileName,
+        f.file_size AS fileSize,
+        f.stored_file_name AS similarFileId
+    FROM image_hashes h
+    JOIN file_entities f ON f.id = h.file_id
+    WHERE h.hash64_hi = :hash64Hi 
+      AND h.hash64_lo = :hash64Lo
+    """,
+            nativeQuery = true)
+    List<SimilarImageProjection> findExactDuplicates(
+            @Param("hash64Hi") Integer hash64_hi,
+            @Param("hash64Lo") Integer hash64_lo);
+}
+

src/main/java/ru/soune/nocopy/repository/SimilarImageProjection.java

@@ -0,0 +1,10 @@
+package ru.soune.nocopy.repository;
+
+public interface SimilarImageProjection {
+    Integer getHash64Hi();
+    Integer getHash64Lo();
+    String getId();
+    Long getUserId();
+    String getOriginalFileName();
+    Long getFileSize();
+}

src/main/java/ru/soune/nocopy/repository/UserContentRepository.java

@@ -3,7 +3,7 @@ package ru.soune.nocopy.repository;
 import org.springframework.data.domain.Pageable;
 import org.springframework.data.jpa.repository.JpaRepository;
 import ru.soune.nocopy.entity.file.FileType;
-import ru.soune.nocopy.entity.user.UserContent;
+import ru.soune.nocopy.entity.UserContent;
 
 import java.util.List;
 

src/main/java/ru/soune/nocopy/repository/UserNotActiveRepository.java

@@ -1,16 +0,0 @@
-package ru.soune.nocopy.repository;
-
-import org.springframework.data.jpa.repository.JpaRepository;
-import org.springframework.stereotype.Repository;
-import ru.soune.nocopy.entity.user.UserNotActive;
-
-import java.time.LocalDateTime;
-import java.util.List;
-import java.util.Optional;
-
-@Repository
-public interface UserNotActiveRepository extends JpaRepository<UserNotActive, Long> {
-    Optional<UserNotActive> findByUserId(Long userId);
-    List<UserNotActive> findByBlockedUntilBefore(LocalDateTime now);
-
-}

src/main/java/ru/soune/nocopy/repository/UserRepository.java

@@ -2,12 +2,12 @@ package ru.soune.nocopy.repository;
 
 import jakarta.validation.constraints.Size;
 import org.springframework.data.jpa.repository.JpaRepository;
-import ru.soune.nocopy.entity.user.User;
+import ru.soune.nocopy.entity.User;
 
 import java.util.Optional;
 
 public interface UserRepository extends JpaRepository<User, Long> {
-    User findByEmail(String email);
+    Optional<User> findByEmail(String email);
     boolean existsByEmail(String email);
     boolean existsByPhone(@Size(min = 11, max = 14) String phone);
 }

src/main/java/ru/soune/nocopy/service/FileSimilarityService.java

@@ -0,0 +1,135 @@
+package ru.soune.nocopy.service;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.PageImpl;
+import org.springframework.data.domain.Pageable;
+import org.springframework.stereotype.Service;
+import ru.soune.nocopy.dto.file.SimilarFileResponse;
+import ru.soune.nocopy.dto.file.SimilarityFilter;
+import ru.soune.nocopy.repository.ImageHashRepository;
+import ru.soune.nocopy.repository.ImageSimilarityRepository;
+import ru.soune.nocopy.repository.SimilarImageProjection;
+
+import java.util.ArrayList;
+import java.util.Comparator;
+import java.util.List;
+import java.util.stream.Collectors;
+
+@Service
+@RequiredArgsConstructor
+public class FileSimilarityService {
+    private final ImageSimilarityRepository repository;
+
+    private final ImageHashRepository hashRepository;
+
+    public List<SimilarFileResponse> findSimilarFiles(String fileId) {
+        var imageHashEntity = hashRepository.findById(fileId)
+                .orElseThrow(() -> new RuntimeException("Hash not found"));
+
+        Integer hash64Hi = imageHashEntity.getHash64Hi();
+        Integer hash64Lo = imageHashEntity.getHash64Lo();
+
+        List<SimilarImageProjection> candidates =
+                repository.findCandidates(fileId);
+
+        return candidates.stream()
+                .map(c -> {
+                    Integer cHi = c.getHash64Hi();
+                    Integer cLo = c.getHash64Lo();
+
+                    int hamming = hamming64(hash64Hi, hash64Lo, cHi, cLo);
+
+                    String level;
+                    if (hamming <= 5) {
+                        level = "DUPLICATE";
+                    } else if (hamming <= 12) {
+                        level = "SIMILAR";
+                    } else {
+                        level = "DIFFERENT";
+                    }
+
+                    return SimilarFileResponse.builder()
+                            .fileId(c.getId())
+                            .originalFileName(c.getOriginalFileName())
+                            .fileSize(c.getFileSize())
+                            .hammingDistance(hamming)
+                            .similarityLevel(level)
+                            .build();
+                })
+                .sorted((a, b) ->
+                        Integer.compare(a.getHammingDistance(), b.getHammingDistance()))
+                .toList();
+    }
+
+    public List<SimilarImageProjection> findDuplicatedByHash(Integer hash64Hi, Integer hash64Lo) {
+        List<SimilarImageProjection> duplicates = repository.findExactDuplicates(hash64Hi,hash64Lo);
+
+        if (duplicates.isEmpty()) {
+            return new ArrayList<>();
+        }
+
+        return duplicates;
+    }
+
+    public Page<SimilarFileResponse> findSimilarFiles(String fileId, SimilarityFilter filter, Pageable pageable) {
+        var imageHashEntity = hashRepository.findById(fileId)
+                .orElseThrow(() -> new RuntimeException("Hash not found"));
+
+        Integer hash64Hi = imageHashEntity.getHash64Hi();
+        Integer hash64Lo = imageHashEntity.getHash64Lo();
+
+        List<SimilarImageProjection> candidates = repository.findCandidates(fileId);
+
+        List<String> similarityLevels = (filter != null && filter.getSimilarityLevels() != null)
+                ? filter.getSimilarityLevels()
+                : List.of("DUPLICATE", "SIMILAR", "DIFFERENT");
+
+        List<SimilarFileResponse> allResults = candidates.stream()
+                .map(c -> createSimilarFileResponse(c, hash64Hi, hash64Lo))
+                .filter(response -> similarityLevels.contains(response.getSimilarityLevel()))
+                .sorted(Comparator.comparingInt(SimilarFileResponse::getHammingDistance))
+                .collect(Collectors.toList());
+
+        int total = allResults.size();
+        int page = (pageable != null) ? pageable.getPageNumber() : 0;
+        int size = (pageable != null) ? pageable.getPageSize() : 20;
+
+        int fromIndex = Math.min(page * size, total);
+        int toIndex = Math.min(fromIndex + size, total);
+
+        List<SimilarFileResponse> pageContent = allResults.subList(fromIndex, toIndex);
+
+        return new PageImpl<>(pageContent, pageable, total);
+    }
+
+    private SimilarFileResponse createSimilarFileResponse(SimilarImageProjection similarImageProjection,
+                                                          Integer hash64Hi, Integer hash64Lo) {
+        Integer imageProjectionHash64Hi = similarImageProjection.getHash64Hi();
+        Integer similarImageProjectionHash64Lo = similarImageProjection.getHash64Lo();
+
+        int hamming = hamming64(hash64Hi, hash64Lo, imageProjectionHash64Hi, similarImageProjectionHash64Lo);
+
+        String level;
+        if (hamming <= 5) {
+            level = "DUPLICATE";
+        } else if (hamming <= 12) {
+            level = "SIMILAR";
+        } else {
+            level = "DIFFERENT";
+        }
+
+        return SimilarFileResponse.builder()
+                .fileId(similarImageProjection.getId())
+                .originalFileName(similarImageProjection.getOriginalFileName())
+                .fileSize(similarImageProjection.getFileSize())
+                .hammingDistance(hamming)
+                .similarityLevel(level)
+                .build();
+    }
+
+    private int hamming64(int aHi, int aLo, int bHi, int bLo) {
+        return Integer.bitCount(aHi ^ bHi)
+                + Integer.bitCount(aLo ^ bLo);
+    }
+}

src/main/java/ru/soune/nocopy/service/ImageHashService.java

@@ -0,0 +1,154 @@
+package ru.soune.nocopy.service;
+
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Service;
+import ru.soune.nocopy.entity.file.FileEntity;
+import ru.soune.nocopy.entity.file.ImageHashEntity;
+import ru.soune.nocopy.repository.ImageHashRepository;
+
+import javax.imageio.ImageIO;
+import java.awt.*;
+import java.awt.image.BufferedImage;
+import java.io.IOException;
+import java.io.InputStream;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.time.LocalDateTime;
+import java.util.Arrays;
+import java.util.Map;
+
+@Service
+@RequiredArgsConstructor
+@Slf4j
+public class ImageHashService {
+
+    private final ImageHashRepository repository;
+
+    public Map<String, Integer> calculateHash(Path imagePath) throws IOException {
+        long hash64 = computePhash64(imagePath);
+
+        return Map.of(
+                "hi", high32(hash64),
+                "low", low32(hash64));
+    }
+
+    public void create(FileEntity file,  Map<String, Integer> stringIntegerMap) {
+        ImageHashEntity entity = ImageHashEntity.builder()
+                .file(file)
+                .hash64Hi(stringIntegerMap.get("hi"))
+                .hash64Lo(stringIntegerMap.get("low"))
+                .hashAlgorithm("PHASH64")
+                .createdAt(LocalDateTime.now())
+                .build();
+
+        repository.save(entity);
+    }
+
+    private long computePhash64(Path path) throws IOException {
+        try (InputStream is = Files.newInputStream(path)) {
+            BufferedImage image = ImageIO.read(is);
+            if (image == null) throw new IOException("Cannot read image file: " + path);
+
+            BufferedImage gray = toGrayScale(image);
+            BufferedImage resized = resizeImage(gray, 32, 32);
+
+            double[][] dct = applyDCT(resized);
+            double[][] topLeft = extractTopLeft8x8(dct);
+            double median = calculateMedian(topLeft, true);
+
+            return create64BitHashLong(topLeft, median);
+        }
+    }
+
+    private BufferedImage toGrayScale(BufferedImage image) {
+        BufferedImage gray = new BufferedImage(image.getWidth(), image.getHeight(), BufferedImage.TYPE_BYTE_GRAY);
+        Graphics2D g = gray.createGraphics();
+        g.drawImage(image, 0, 0, null);
+        g.dispose();
+        return gray;
+    }
+
+    private BufferedImage resizeImage(BufferedImage image, int width, int height) {
+        BufferedImage resized = new BufferedImage(width, height, BufferedImage.TYPE_BYTE_GRAY);
+        Graphics2D g = resized.createGraphics();
+        g.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR);
+        g.drawImage(image, 0, 0, width, height, null);
+        g.dispose();
+        return resized;
+    }
+
+    private double[][] applyDCT(BufferedImage image) {
+        int w = image.getWidth();
+        int h = image.getHeight();
+        double[][] pixels = new double[h][w];
+
+        for (int y = 0; y < h; y++) {
+            for (int x = 0; x < w; x++) {
+                int gray = image.getRGB(x, y) & 0xFF;
+                pixels[y][x] = gray;
+            }
+        }
+
+        double[][] dct = new double[h][w];
+        for (int u = 0; u < h; u++) {
+            double au = u == 0 ? 1.0 / Math.sqrt(h) : Math.sqrt(2.0 / h);
+            for (int v = 0; v < w; v++) {
+                double av = v == 0 ? 1.0 / Math.sqrt(w) : Math.sqrt(2.0 / w);
+                double sum = 0.0;
+                for (int x = 0; x < h; x++) {
+                    for (int y = 0; y < w; y++) {
+                        sum += pixels[x][y] *
+                                Math.cos((2 * x + 1) * u * Math.PI / (2.0 * h)) *
+                                Math.cos((2 * y + 1) * v * Math.PI / (2.0 * w));
+                    }
+                }
+                dct[u][v] = au * av * sum;
+            }
+        }
+        return dct;
+    }
+
+    private double[][] extractTopLeft8x8(double[][] dct) {
+        double[][] block = new double[8][8];
+        for (int i = 0; i < 8; i++) System.arraycopy(dct[i], 0, block[i], 0, 8);
+        return block;
+    }
+
+    private double calculateMedian(double[][] block, boolean excludeDC) {
+        double[] vals = new double[63];
+        int idx = 0;
+        for (int i = 0; i < 8; i++) {
+            for (int j = 0; j < 8; j++) {
+                if (i == 0 && j == 0 && excludeDC) continue;
+                vals[idx++] = block[i][j];
+            }
+        }
+        Arrays.sort(vals);
+        return (vals.length % 2 == 0) ?
+                (vals[vals.length / 2 - 1] + vals[vals.length / 2]) / 2.0 :
+                vals[vals.length / 2];
+    }
+
+    private long create64BitHashLong(double[][] block, double median) {
+        long hash = 0L;
+
+        for (int i = 0; i < 8; i++) {
+            for (int j = 0; j < 8; j++) {
+                if (i == 0 && j == 0) continue;
+                hash <<= 1;
+                if (block[i][j] > median) hash |= 1;
+            }
+        }
+
+        return hash;
+    }
+
+    private int high32(long hash64) {
+        return (int) (hash64 >>> 32);
+    }
+
+    private int low32(long hash64) {
+        return (int) hash64;
+    }
+}

src/main/java/ru/soune/nocopy/service/UserContentService.java

@@ -0,0 +1,72 @@
+package ru.soune.nocopy.service;
+
+import lombok.AllArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+import ru.soune.nocopy.dto.UserContentRequest;
+import ru.soune.nocopy.dto.UserContentUpdateRequest;
+import ru.soune.nocopy.entity.file.FileType;
+import ru.soune.nocopy.entity.User;
+import ru.soune.nocopy.entity.UserContent;
+import ru.soune.nocopy.exception.ContentNotFoundException;
+import ru.soune.nocopy.exception.UserNotFoundException;
+import ru.soune.nocopy.mapper.UserContentMapper;
+import ru.soune.nocopy.repository.UserContentRepository;
+import ru.soune.nocopy.repository.UserRepository;
+
+import java.util.List;
+import java.util.Optional;
+
+@Service
+@AllArgsConstructor
+public class UserContentService {
+
+    private final UserContentRepository userContentRepository;
+
+    private final UserRepository userRepository;
+
+    private final UserContentMapper userContentMapper;
+
+    public List<UserContent> findByUser(long userId) {
+        return userContentRepository.findByUserId(userId);
+    }
+
+    @Transactional
+    public UserContent addUserContent(UserContentRequest userContentRequest) {
+        UserContent userContent = new UserContent();
+
+        Optional<User> byEmail = userRepository.findByEmail(userContentRequest.userEmail());
+        User user = byEmail.orElseThrow(() -> new UserNotFoundException(userContentRequest.userEmail()));
+
+        userContent.setUser(user);
+        userContent.setFilename(userContentRequest.fileName());
+        userContent.setFileExtension(userContentRequest.fileExtension());
+        userContent.setFilePath(userContentRequest.filePath());
+        userContent.setFileType(FileType.valueOf(userContentRequest.fileType()));
+        userContent.setOriginalFilename(userContentRequest.originalFilename());
+        userContent.setProtectionLevel(userContentRequest.protectionLevel());
+        userContent.setFileSize(userContentRequest.fileSize());
+
+        //TODO add
+        //    @Column(name = "protection_hash", length = 64)
+        //    private String protectionHash;
+        //    @Column(name = "watermark_id", length = 50)
+        //    private String watermarkId;
+
+        return userContentRepository.save(userContent);
+    }
+
+    @Transactional
+    public UserContent updateUserContent(UserContentUpdateRequest userContentRequest) {
+        UserContent entity = userContentRepository.findById(userContentRequest.id())
+                .orElseThrow(() -> new ContentNotFoundException("Content not found with: " + userContentRequest.id()));
+
+        userContentMapper.updateEntityFromDto(userContentRequest, entity);
+
+        return userContentRepository.save(entity);
+    }
+
+    public void deleteUserContent(long userContentId) {
+        userContentRepository.deleteById(userContentId);
+    }
+}

src/main/java/ru/soune/nocopy/service/UserService.java

@@ -1,20 +1,18 @@
-package ru.soune.nocopy.service.user;
+package ru.soune.nocopy.service;
 
 import lombok.AllArgsConstructor;
 import org.springframework.security.crypto.password.PasswordEncoder;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
-import ru.soune.nocopy.dto.register.ChangePasswordRequest;
-import ru.soune.nocopy.dto.user.UserDTO;
-import ru.soune.nocopy.dto.user.UserRequest;
-import ru.soune.nocopy.entity.user.User;
+import ru.soune.nocopy.dto.ChangePasswordRequest;
+import ru.soune.nocopy.dto.UserDTO;
+import ru.soune.nocopy.dto.UserRequest;
+import ru.soune.nocopy.entity.User;
 import ru.soune.nocopy.exception.InvalidUserEmail;
 import ru.soune.nocopy.exception.NotValidationPasswordException;
 import ru.soune.nocopy.exception.UserNotFoundException;
 import ru.soune.nocopy.repository.UserRepository;
 
-import java.util.Optional;
-
 @Service
 @AllArgsConstructor
 public class UserService {
@@ -46,16 +44,6 @@ public class UserService {
         return mapToDTO(updatedUser);
     }
 
-    @Transactional
-    public User activateAndVerifyUser(long userId) {
-        Optional<User> users = userRepository.findById(userId);
-        User user = users.orElseThrow(() -> new UserNotFoundException("User not found with id: " + userId));
-        user.setActive(true);
-        user.setEmailVerified(true);
-
-        return userRepository.save(user);
-    }
-
     private void updateUserFromRequest(User user, UserRequest request) {
         if (request.getFullName() != null) {
             user.setFullName(request.getFullName());

src/main/java/ru/soune/nocopy/service/YandexSearchService.java

@@ -1,4 +1,4 @@
-package ru.soune.nocopy.service.search;
+package ru.soune.nocopy.service;
 
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.databind.ObjectMapper;
@@ -12,6 +12,7 @@ import ru.soune.nocopy.dto.BaseResponse;
 import ru.soune.nocopy.dto.MessageCode;
 import ru.soune.nocopy.dto.file.YandexSearchResponse;
 import ru.soune.nocopy.entity.file.FileEntity;
+import ru.soune.nocopy.exception.FileEntityNotFoundException;
 import ru.soune.nocopy.exception.NotValidFieldException;
 import ru.soune.nocopy.repository.FileEntityRepository;
 

src/main/java/ru/soune/nocopy/service/auth/AuthService.java

@@ -1,26 +1,23 @@
-package ru.soune.nocopy.service.register;
+package ru.soune.nocopy.service.auth;
 
 import lombok.RequiredArgsConstructor;
-import org.springframework.context.MessageSource;
 import org.springframework.security.crypto.password.PasswordEncoder;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 import ru.soune.nocopy.dto.*;
-import ru.soune.nocopy.dto.register.LoginAnswer;
-import ru.soune.nocopy.dto.register.LoginRequest;
-import ru.soune.nocopy.dto.register.RegRequest;
-import ru.soune.nocopy.entity.user.AuthToken;
-import ru.soune.nocopy.entity.user.User;
-import ru.soune.nocopy.entity.user.UserNotActive;
+import ru.soune.nocopy.entity.AuthToken;
+import ru.soune.nocopy.entity.User;
 import ru.soune.nocopy.exception.NotFoundAuthToken;
 import ru.soune.nocopy.exception.NotValidFieldException;
 import ru.soune.nocopy.repository.AuthTokenRepository;
-import ru.soune.nocopy.repository.UserNotActiveRepository;
 import ru.soune.nocopy.repository.UserRepository;
 
 import java.security.SecureRandom;
 import java.time.LocalDateTime;
-import java.util.*;
+import java.util.Arrays;
+import java.util.Base64;
+import java.util.Map;
+import java.util.Optional;
 
 @Service
 @RequiredArgsConstructor
@@ -32,8 +29,6 @@ public class AuthService {
 
     private final PasswordEncoder passwordEncoder;
 
-    private final UserNotActiveRepository userNotActiveRepository;
-
     private final SecureRandom secureRandom = new SecureRandom();
 
     @Transactional
@@ -53,7 +48,33 @@ public class AuthService {
 
         User savedUser = userRepository.save(user);
 
-        AuthToken authToken = genereateAuthToken(savedUser);
+        AuthToken authToken = new AuthToken();
+        authToken.setToken(generateAuthToken());
+        authToken.setUser(savedUser);
+
+        return authTokenRepository.save(authToken);
+    }
+
+    @Transactional
+    public AuthToken login(LoginRequest request) {
+        Optional<User> userOpt = userRepository.findByEmail(request.getEmail());
+        User user = userOpt.get();
+
+        if (!passwordEncoder.matches(request.getPassword(), user.getPassword())) {
+            LoginAnswer loginAnswer = new LoginAnswer();
+            loginAnswer.setFieldErrors(Arrays.asList(Map.of("password", request.getPassword())));
+
+            throw new NotValidFieldException("Invalid password", new BaseResponse(20003,
+                    MessageCode.AUTH_PASSWORD_NOT_MATCHES.getCode(),
+                    MessageCode.AUTH_PASSWORD_NOT_MATCHES.getDescription(), loginAnswer));
+        }
+
+        user.setLastLoginAt(LocalDateTime.now());
+        User savedUser = userRepository.save(user);
+
+        AuthToken authToken = new AuthToken();
+        authToken.setToken(generateAuthToken());
+        authToken.setUser(savedUser);
 
         return authTokenRepository.save(authToken);
     }
@@ -78,86 +99,15 @@ public class AuthService {
         return authToken.getUser().getId();
     }
 
-    public AuthToken login(LoginRequest request) {
-        User user = userRepository.findByEmail(request.getEmail());
-
-        if (!user.isActive()) {
-            throw new NotValidFieldException("User not active", new BaseResponse(20003,
-                    MessageCode.USER_NOT_ACTIVE.getCode(),
-                    MessageCode.USER_NOT_ACTIVE.getDescription(), Map.of("userId", user.getId())));
-        }
-
-        if (!passwordEncoder.matches(request.getPassword(), user.getPassword())) {
-            LoginAnswer loginAnswer = new LoginAnswer();
-            loginAnswer.setFieldErrors(Arrays.asList(Map.of("password", request.getPassword())));
-            loginAnswer.setVerified(user.isEmailVerified());
-            loginAnswer.setActive(user.isActive());
-
-            int attempts = user.getFailedLoginAttempts() + 1;
-            user.setFailedLoginAttempts(attempts);
-
-            if (attempts >= 5) {
-                user.setActive(false);
-                blockUser(user);
-            }
-
-            userRepository.save(user);
-
-            throw new NotValidFieldException("Invalid password", new BaseResponse(20003,
-                    MessageCode.AUTH_PASSWORD_NOT_MATCHES.getCode(),
-                    MessageCode.AUTH_PASSWORD_NOT_MATCHES.getDescription(), loginAnswer));
-        }
-
-        user.setLastLoginAt(LocalDateTime.now());
-        user.setFailedLoginAttempts(0);
-        user.setActive(true);
-
-        User savedUser = userRepository.save(user);
-
-        AuthToken authToken = new AuthToken();
-        authToken.setToken(generateAuthToken());
-        authToken.setUser(savedUser);
-
-        return authTokenRepository.save(authToken);
-    }
-
     @Transactional
     public void logout(String token) {
         authTokenRepository.findByToken(token)
                 .ifPresent(authTokenRepository::delete);
     }
 
-    @Transactional
-    public AuthToken generateAuthToken(User user) {
-        return authTokenRepository.save(genereateAuthToken(user));
-    }
-
-    private AuthToken genereateAuthToken(User user) {
-        AuthToken authToken = new AuthToken();
-        authToken.setToken(generateAuthToken());
-        authToken.setUser(user);
-
-        return authToken;
-    }
-
     private String generateAuthToken() {
         byte[] bytes = new byte[32];
         secureRandom.nextBytes(bytes);
         return Base64.getUrlEncoder().withoutPadding().encodeToString(bytes);
     }
-
-    public void blockUser(User user) {
-        Optional<UserNotActive> existing = userNotActiveRepository.findByUserId(user.getId());
-        if (existing.isEmpty()) {
-            LocalDateTime now = LocalDateTime.now();
-
-            UserNotActive notActive = UserNotActive.builder()
-                    .user(user)
-                    .createdAt(now)
-                    .blockedUntil(now.plusMinutes(15))
-                    .build();
-
-            userNotActiveRepository.save(notActive);
-        }
-    }
 }

src/main/java/ru/soune/nocopy/service/auth/CleanUpNotActiveUser.java

@@ -1,48 +0,0 @@
-package ru.soune.nocopy.service.auth;
-
-import lombok.RequiredArgsConstructor;
-import lombok.extern.slf4j.Slf4j;
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.scheduling.annotation.Scheduled;
-import org.springframework.stereotype.Component;
-import org.springframework.transaction.annotation.Transactional;
-import ru.soune.nocopy.entity.user.User;
-import ru.soune.nocopy.entity.user.UserNotActive;
-import ru.soune.nocopy.repository.UserNotActiveRepository;
-import ru.soune.nocopy.repository.UserRepository;
-
-import java.time.LocalDateTime;
-import java.util.List;
-
-@Slf4j
-@Component
-@RequiredArgsConstructor
-public class CleanUpNotActiveUser {
-
-    @Autowired
-    private UserNotActiveRepository userNotActiveRepository;
-
-    @Autowired
-    private UserRepository userRepository;
-
-    @Transactional
-    @Scheduled(fixedDelay = 600000)
-    public void cleanupNotActiveUsers() {
-        LocalDateTime now = LocalDateTime.now();
-
-        List<UserNotActive> expiredTokens = userNotActiveRepository.findByBlockedUntilBefore(now);
-
-        for (UserNotActive userNotActive : expiredTokens) {
-            User user = userNotActive.getUser();
-            user.setActive(true);
-            user.setFailedLoginAttempts(0);
-
-            userRepository.save(user);
-        }
-
-        if (!expiredTokens.isEmpty()) {
-            userNotActiveRepository.deleteAll(expiredTokens);
-
-        }
-    }
-}

src/main/java/ru/soune/nocopy/service/auth/CleanupTokenSessionsService.java

@@ -7,7 +7,7 @@ import org.springframework.beans.factory.annotation.Value;
 import org.springframework.scheduling.annotation.Scheduled;
 import org.springframework.stereotype.Component;
 import org.springframework.transaction.annotation.Transactional;
-import ru.soune.nocopy.entity.user.AuthToken;
+import ru.soune.nocopy.entity.AuthToken;
 import ru.soune.nocopy.repository.AuthTokenRepository;
 
 import java.time.LocalDateTime;

src/main/java/ru/soune/nocopy/service/file/FileEntityService.java

@@ -9,8 +9,12 @@ import ru.soune.nocopy.dto.file.FileResponse;
 import ru.soune.nocopy.entity.file.FileEntity;
 import ru.soune.nocopy.entity.file.FileStatus;
 import ru.soune.nocopy.entity.file.FileUploadSession;
+import ru.soune.nocopy.exception.DuplicateImageException;
 import ru.soune.nocopy.exception.FileEntityNotFoundException;
 import ru.soune.nocopy.repository.FileEntityRepository;
+import ru.soune.nocopy.repository.SimilarImageProjection;
+import ru.soune.nocopy.service.FileSimilarityService;
+import ru.soune.nocopy.service.ImageHashService;
 
 import java.io.IOException;
 import java.nio.file.Files;
@@ -18,6 +22,7 @@ import java.nio.file.Path;
 import java.nio.file.Paths;
 import java.time.LocalDateTime;
 import java.util.List;
+import java.util.Map;
 import java.util.stream.Collectors;
 
 @Slf4j
@@ -27,7 +32,11 @@ public class FileEntityService {
 
     private final FileEntityRepository fileEntityRepository;
 
-    @Transactional
+    private final ImageHashService imageHashService;
+
+    private final FileSimilarityService fileSimilarityService;
+
+    @Transactional(noRollbackFor = DuplicateImageException.class)
     public FileEntity createFromUploadSession(FileUploadSession session, String checksum) {
         log.info("Creating FileEntity for upload session: {}", session.getUploadId());
 
@@ -38,6 +47,21 @@ public class FileEntityService {
                 throw new IOException("File not found on disk: " + filePath);
             }
 
+            Map<String, Integer> imageHash = Map.of();
+
+            if (session.getFileType().startsWith("image")) {
+                imageHash = imageHashService.calculateHash(filePath);
+                List<SimilarImageProjection> duplicatedByHash = fileSimilarityService.findDuplicatedByHash(
+                        imageHash.get("hi"), imageHash.get("low"));
+
+                if (!duplicatedByHash.isEmpty()) {
+                    SimilarImageProjection similarImageProjection = duplicatedByHash.get(0);
+
+                    throw new DuplicateImageException("Duplicate", similarImageProjection.getFileId(),
+                            similarImageProjection.getUserId());
+                }
+            }
+
             long fileSize = Files.size(filePath);
             String originalName = session.getFileName();
             String storedName = filePath.getFileName().toString();
@@ -56,11 +80,12 @@ public class FileEntityService {
                     .build();
 
             FileEntity saved = fileEntityRepository.save(fileEntity);
-            log.info("FileEntity created successfully: {} (size: {} bytes)",
-                    saved.getId(), fileSize);
+
+            if (!imageHash.isEmpty()) {
+                imageHashService.create(saved, imageHash);
+            }
 
             return saved;
-
         } catch (IOException e) {
             log.error("Failed to create FileEntity for session {}: {}",
                     session.getUploadId(), e.getMessage(), e);
@@ -68,15 +93,6 @@ public class FileEntityService {
         }
     }
 
-
-    private String extractFileExtension(String fileName) {
-        int dotIndex = fileName.lastIndexOf('.');
-        if (dotIndex > 0 && dotIndex < fileName.length() - 1) {
-            return fileName.substring(dotIndex + 1).toLowerCase();
-        }
-        return "";
-    }
-
     @Transactional(readOnly = true)
     public FileEntityResponse getById(String fileId, int version) {
         FileEntity fileEntity = fileEntityRepository.findById(fileId)
@@ -94,39 +110,6 @@ public class FileEntityService {
         return convertToResponse(fileEntity, version);
     }
 
-    @Transactional(readOnly = true)
-    public FileEntityResponse getByFilePath(String filePath, int version) {
-        FileEntity fileEntity = fileEntityRepository.findByFilePath(filePath)
-                .orElseThrow(() -> new FileEntityNotFoundException("Path: " + filePath));
-
-        return convertToResponse(fileEntity, version);
-    }
-
-
-    @Transactional(readOnly = true)
-    public FileResponse getAllUserFiles(Long userId, int version) {
-        List<FileEntity> fileEntities = fileEntityRepository.findByUserIdAndStatus(
-                userId, FileStatus.ACTIVE);
-
-        List<FileEntityResponse> files = fileEntities.stream()
-                .map(file -> convertToResponse(file, version))
-                .collect(Collectors.toList());
-
-        long totalSize = fileEntities.stream()
-                .mapToLong(FileEntity::getFileSize)
-                .sum();
-
-        return FileResponse.builder()
-                .files(files)
-                .totalCount(files.size())
-                .totalSize(totalSize)
-                .formattedTotalSize(formatFileSize(totalSize))
-                .page(1)
-                .pageSize(files.size())
-                .build();
-    }
-
-
     @Transactional(readOnly = true)
     public FileResponse getUserFiles(Long userId, int page, int pageSize, int version) {
         List<FileEntity> allFiles = fileEntityRepository.findByUserIdAndStatus(
@@ -184,6 +167,8 @@ public class FileEntityService {
 
         Files.delete(path);
 
+        markAsDeleted(fileEntity);
+
         return true;
     }
 

src/main/java/ru/soune/nocopy/service/file/FileUploadService.java

@@ -17,7 +17,5 @@ public interface FileUploadService {
 
     void handleExpiredSession(FileUploadSession session);
 
-    public void retryFailedUpload(String uploadId);
-
     public void cancelUpload(String uploadId);
 }

src/main/java/ru/soune/nocopy/service/file/FileUploadServiceImpl.java

@@ -10,12 +10,19 @@ import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 import org.springframework.web.multipart.MultipartFile;
 import ru.soune.nocopy.dto.file.UploadProgressResponse;
+import ru.soune.nocopy.entity.file.FileEntity;
+import ru.soune.nocopy.entity.file.FileStatus;
 import ru.soune.nocopy.entity.file.FileUploadSession;
 import ru.soune.nocopy.entity.file.UploadStatus;
 import ru.soune.nocopy.exception.ChunkSizeExceededException;
+import ru.soune.nocopy.exception.DuplicateImageException;
 import ru.soune.nocopy.exception.FileUploadException;
 import ru.soune.nocopy.exception.UploadSessionNotFoundException;
+import ru.soune.nocopy.repository.FileEntityRepository;
 import ru.soune.nocopy.repository.FileUploadSessionRepository;
+import ru.soune.nocopy.repository.SimilarImageProjection;
+import ru.soune.nocopy.service.FileSimilarityService;
+import ru.soune.nocopy.service.ImageHashService;
 
 import java.io.*;
 import java.nio.file.*;
@@ -23,10 +30,7 @@ import java.nio.file.attribute.PosixFilePermission;
 import java.security.MessageDigest;
 import java.security.NoSuchAlgorithmException;
 import java.time.LocalDateTime;
-import java.util.Comparator;
-import java.util.HashSet;
-import java.util.Set;
-import java.util.UUID;
+import java.util.*;
 import java.util.concurrent.CompletableFuture;
 import java.util.stream.Stream;
 
@@ -57,6 +61,15 @@ public class FileUploadServiceImpl implements FileUploadService {
 
     private Path storageRoot;
 
+    @Autowired
+    private ImageHashService imageHashService;
+
+    @Autowired
+    private FileSimilarityService fileSimilarityService;
+
+    @Autowired
+    private FileEntityRepository fileEntityRepository;
+
     @Autowired
     private FileEntityService fileEntityService;
 
@@ -129,10 +142,6 @@ public class FileUploadServiceImpl implements FileUploadService {
     @Transactional
     public UploadProgressResponse uploadChunk(String uploadId, Integer chunkNumber,
                                               MultipartFile chunkFile) {
-
-        log.info("Processing chunk {} for session {}, size: {} bytes",
-                chunkNumber, uploadId, chunkFile.getSize());
-
         FileUploadSession session = sessionRepository.findById(uploadId)
                 .orElseThrow(() -> new UploadSessionNotFoundException(uploadId));
 
@@ -173,12 +182,13 @@ public class FileUploadServiceImpl implements FileUploadService {
 
     @Async("fileUploadTaskExecutor")
     @Transactional
-    public void assembleFileAsync(FileUploadSession session) {
+    public void assembleFileAsync(FileUploadSession session) throws DuplicateImageException {
         try {
             assembleFile(session);
             log.info("File assembly completed successfully for session: {}",
                     session.getUploadId());
-
+        } catch (DuplicateImageException e) {
+            throw new DuplicateImageException("DUBL", e.duplicateFileId(), e.userId());
         } catch (Exception e) {
             log.error("Failed to assemble file for session {}: {}",
                     session.getUploadId(), e.getMessage(), e);
@@ -205,35 +215,6 @@ public class FileUploadServiceImpl implements FileUploadService {
         log.info("Upload cancelled: {}", uploadId);
     }
 
-    @Override
-    @Transactional
-    public void retryFailedUpload(String uploadId) {
-        FileUploadSession session = sessionRepository.findById(uploadId)
-                .orElseThrow(() -> new UploadSessionNotFoundException(uploadId));
-
-        if (session.getStatus() != UploadStatus.FAILED) {
-            throw new FileUploadException("Only failed uploads can be retried");
-        }
-
-        if (session.getRetryCount() >= maxRetryAttempts) {
-            throw new FileUploadException("Max retry attempts exceeded");
-        }
-
-        session.setStatus(UploadStatus.UPLOADING);
-        session.setRetryCount(session.getRetryCount() + 1);
-        session.setLastError(null);
-
-        sessionRepository.save(session);
-
-        if (session.getChunksUploaded().equals(session.getTotalChunks())) {
-            log.info("Retrying file assembly for session: {}", uploadId);
-            assembleFileAsync(session);
-        }
-
-        log.info("Upload retry initiated for session: {} (attempt {})",
-                uploadId, session.getRetryCount());
-    }
-
     @Override
     public UploadProgressResponse getUploadProgress(String uploadId) {
         FileUploadSession session = sessionRepository.findById(uploadId)
@@ -271,9 +252,42 @@ public class FileUploadServiceImpl implements FileUploadService {
         }
     }
 
-    private UploadProgressResponse processChunk(FileUploadSession session,
-                                                Integer chunkNumber,
-                                                MultipartFile chunkFile) {
+    @Async("fileUploadTaskExecutor")
+    @Transactional
+    public void completeFileProcessingAsync(FileUploadSession session) {
+        try {
+            Path filePath = Paths.get(session.getFilePath());
+            String checksum = calculateChecksum(filePath);
+
+            FileEntity fileEntity = FileEntity.builder()
+                    .userId(session.getUserId())
+                    .originalFileName(session.getFileName())
+                    .storedFileName(filePath.getFileName().toString())
+                    .filePath(session.getFilePath())
+                    .fileSize(session.getFileSize())
+                    .mimeType(session.getFileType())
+                    .fileExtension(session.getExtension())
+                    .checksum(checksum)
+                    .uploadSessionId(session.getUploadId())
+                    .status(FileStatus.ACTIVE)
+                    .build();
+
+            FileEntity saved = fileEntityRepository.save(fileEntity);
+
+            Map<String, Integer> hash = imageHashService.calculateHash(filePath);
+            imageHashService.create(saved, hash);
+
+            cleanupSessionFiles(session);
+
+            log.info("File processing completed for session: {}", session.getUploadId());
+
+        } catch (Exception e) {
+            log.error("Failed to complete file processing for session {}: {}",
+                    session.getUploadId(), e.getMessage(), e);
+        }
+    }
+
+    private UploadProgressResponse processChunk(FileUploadSession session, Integer chunkNumber, MultipartFile chunkFile) {
         String chunkPath = null;
 
         try {
@@ -291,17 +305,42 @@ public class FileUploadServiceImpl implements FileUploadService {
             log.debug("Chunk {} saved successfully. Uploaded: {}/{}",
                     chunkNumber, session.getChunksUploaded(), session.getTotalChunks());
 
-            if (session.getChunksUploaded().equals(session.getTotalChunks())) {
+            boolean isLastChunk = session.getChunksUploaded().equals(session.getTotalChunks());
+
+            if (isLastChunk) {
                 log.info("All chunks uploaded for session {}. Starting assembly...",
                         session.getUploadId());
-                sessionRepository.save(session);
-                assembleFileAsync(session);
+
+                String finalFilePath = assembleFileSynchronously(session);
+
+                if (session.getFileType().startsWith("image")) {
+                    checkForDuplicatesSynchronously(finalFilePath);
+                }
+
+                session.setStatus(UploadStatus.COMPLETED);
+                session.setFilePath(finalFilePath);
+
+                completeFileProcessingAsync(session);
+
             } else {
                 sessionRepository.save(session);
             }
 
             return UploadProgressResponse.fromSession(session);
 
+        } catch (DuplicateImageException e) {
+            if (chunkPath != null) {
+                cleanupFailedChunk(chunkPath);
+            }
+
+            log.warn("Duplicate image found for session {}: {}",
+                    session.getUploadId(), e.getMessage());
+
+            session.setStatus(UploadStatus.FAILED);
+            session.setLastError(e.getMessage());
+            sessionRepository.save(session);
+
+            throw e;
         } catch (Exception e) {
             if (chunkPath != null) {
                 cleanupFailedChunk(chunkPath);
@@ -318,6 +357,29 @@ public class FileUploadServiceImpl implements FileUploadService {
         }
     }
 
+    private String assembleFileSynchronously(FileUploadSession session) throws IOException {
+        Path finalFilePath = prepareFinalFile(session);
+
+        validateAllChunksExist(session);
+        mergeChunksToFile(session, finalFilePath);
+        validateFinalFile(session, finalFilePath);
+
+        return finalFilePath.toString();
+    }
+
+    private void checkForDuplicatesSynchronously(String filePath)
+            throws IOException {
+        Path path = Paths.get(filePath);
+        Map<String, Integer> hash = imageHashService.calculateHash(path);
+        List<SimilarImageProjection> duplicates = fileSimilarityService.findDuplicatedByHash(
+                hash.get("hi"), hash.get("low"));
+
+        if (!duplicates.isEmpty()) {
+            throw new DuplicateImageException("Duplicate", duplicates.get(0).getFileId(),
+                    duplicates.get(0).getUserId());
+        }
+    }
+
     private UploadProgressResponse handleExistingChunk(FileUploadSession session,
                                                        Integer chunkNumber,
                                                        MultipartFile chunkFile) throws IOException {
@@ -325,25 +387,24 @@ public class FileUploadServiceImpl implements FileUploadService {
         Path chunkPath = Paths.get(existingPath);
 
         if (!Files.exists(chunkPath)) {
-            log.warn("Chunk file missing, re-uploading: {}", chunkPath);
             session.getChunkPaths().remove(chunkNumber);
             session.setChunksUploaded(session.getChunksUploaded() - 1);
             sessionRepository.save(session);
+
             return processChunk(session, chunkNumber, chunkFile);
         }
 
         long existingSize = Files.size(chunkPath);
+
         if (existingSize != chunkFile.getSize()) {
-            log.warn("Chunk size mismatch, re-uploading: {} != {}",
-                    existingSize, chunkFile.getSize());
             Files.deleteIfExists(chunkPath);
             session.getChunkPaths().remove(chunkNumber);
             session.setChunksUploaded(session.getChunksUploaded() - 1);
             sessionRepository.save(session);
+
             return processChunk(session, chunkNumber, chunkFile);
         }
 
-        log.debug("Chunk {} already uploaded and valid", chunkNumber);
         return UploadProgressResponse.fromSession(session);
     }
 
@@ -402,7 +463,7 @@ public class FileUploadServiceImpl implements FileUploadService {
                 session.getUploadId(), session.getFileName());
 
         Path finalFilePath = null;
-        String checksum = null;
+        String checksum;
 
         try {
             finalFilePath = prepareFinalFile(session);
@@ -428,6 +489,8 @@ public class FileUploadServiceImpl implements FileUploadService {
                 fileEntityService.createFromUploadSession(session, checksum);
                 log.info("FileEntity successfully created for session: {}",
                         session.getUploadId());
+            } catch (DuplicateImageException e) {
+                throw new DuplicateImageException("Duplicate", e.duplicateFileId(), e.userId());
             } catch (Exception e) {
                 log.error("Failed to create FileEntity for session {} (file uploaded, but metadata not saved): {}",
                         session.getUploadId(), e.getMessage());
@@ -591,44 +654,10 @@ public class FileUploadServiceImpl implements FileUploadService {
     private void handleAssemblyFailure(FileUploadSession session, Exception e) {
         session.setStatus(UploadStatus.FAILED);
         session.setLastError(e.getMessage());
+
         sessionRepository.save(session);
-
-        log.error("File assembly failed for session {}: {}",
-                session.getUploadId(), e.getMessage());
     }
 
-
-
-//    @Override
-//    @Transactional
-//    public void cleanupExpiredSessions() {
-//        log.info("Starting cleanup of expired upload sessions");
-//
-//        LocalDateTime expiryThreshold = LocalDateTime.now().minusHours(sessionExpiryHours);
-//
-//        try {
-//            var expiredSessions = sessionRepository.findByStatusInAndCreatedAtBefore(
-//                    Set.of(UploadStatus.INITIATED, UploadStatus.UPLOADING, UploadStatus.FAILED),
-//                    expiryThreshold
-//            );
-//
-//            int cleanedCount = 0;
-//            for (FileUploadSession session : expiredSessions) {
-//                session.setStatus(UploadStatus.FAILED);
-//                session.setLastError("Session expired during cleanup");
-//                sessionRepository.save(session);
-//
-//                CompletableFuture.runAsync(() -> cleanupSessionFiles(session));
-//                cleanedCount++;
-//            }
-//
-//            log.info("Cleaned up {} expired upload sessions", cleanedCount);
-//
-//        } catch (Exception e) {
-//            log.error("Error during session cleanup", e);
-//        }
-//    }
-
     private Path getChunkDirectory(Long userId, String uploadId) {
         return storageRoot.resolve("temp")
                 .resolve("user")

src/main/java/ru/soune/nocopy/service/file/NotExistFilesCleanupService.java

@@ -0,0 +1,35 @@
+package ru.soune.nocopy.service.file;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.scheduling.annotation.Scheduled;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+import ru.soune.nocopy.entity.file.FileEntity;
+import ru.soune.nocopy.entity.file.FileStatus;
+import ru.soune.nocopy.repository.FileEntityRepository;
+
+import java.nio.file.Files;
+import java.nio.file.Paths;
+import java.util.List;
+
+@Service
+@RequiredArgsConstructor
+public class NotExistFilesCleanupService {
+
+    @Autowired
+    private FileEntityRepository fileEntityRepository;
+
+    @Transactional
+    @Scheduled(fixedDelay = 30000)
+    public void cleanUpNotExistFiles() {
+        List<FileEntity> fileEntities = fileEntityRepository.searchFileEntityByStatus(FileStatus.DELETED);
+
+        for (FileEntity fileEntity : fileEntities) {
+            boolean exists = Files.exists(Paths.get(fileEntity.getFilePath()));
+            if (!exists) {
+                fileEntityRepository.delete(fileEntity);
+            }
+        }
+    }
+}

src/main/java/ru/soune/nocopy/service/mail/EmailService.java

@@ -1,123 +0,0 @@
-package ru.soune.nocopy.service.mail;
-
-import jakarta.mail.internet.MimeMessage;
-import lombok.RequiredArgsConstructor;
-import lombok.extern.slf4j.Slf4j;
-import org.springframework.beans.factory.annotation.Value;
-import org.springframework.core.io.ClassPathResource;
-import org.springframework.mail.javamail.JavaMailSender;
-import org.springframework.mail.javamail.MimeMessageHelper;
-import org.springframework.stereotype.Service;
-import org.springframework.transaction.annotation.Transactional;
-import ru.soune.nocopy.entity.user.AuthToken;
-import ru.soune.nocopy.entity.user.EmailVerificationToken;
-import ru.soune.nocopy.entity.user.User;
-import ru.soune.nocopy.repository.EmailVerificationTokenRepository;
-
-import java.io.IOException;
-import java.nio.charset.StandardCharsets;
-import java.security.SecureRandom;
-import java.time.LocalDateTime;
-
-@Service
-@RequiredArgsConstructor
-@Slf4j
-public class EmailService {
-
-    private final JavaMailSender mailSender;
-
-    private final EmailVerificationTokenRepository emailVerificationTokenRepository;
-
-    @Value("${app.email.verification.standart-subject}")
-    private String standartSubject;
-
-    @Value("${app.email.verification.drop-password-subject}")
-    private String dropPasswordSubject;
-
-    @Value("${app.email.verification.standart-address-from}")
-    private String standartAdressFrom;
-
-    @Value("${app.email.verification.user}")
-    private String user;
-
-    public void sendVerificationEmail(User user, String code) {
-        try {
-            MimeMessage message = mailSender.createMimeMessage();
-            MimeMessageHelper helper = new MimeMessageHelper(message, true, "UTF-8");
-
-            helper.setFrom(standartAdressFrom);
-            helper.setTo(user.getEmail());
-            helper.setSubject(standartSubject);
-
-            String htmlContent = loadAndProcessTemplate(user.getFullName(), code,
-                    "templates/email-verification.html");
-            helper.setText(htmlContent, true);
-
-            mailSender.send(message);
-
-            log.info("Email sent to: {}", user.getEmail());
-
-        } catch (Exception e) {
-            log.error("Failed to send email: {}", e.getMessage());
-        }
-    }
-
-    public void sendResetPasswordEmail(User user, String code) {
-        try {
-            MimeMessage message = mailSender.createMimeMessage();
-            MimeMessageHelper helper = new MimeMessageHelper(message, true, "UTF-8");
-
-            helper.setFrom(standartAdressFrom);
-            helper.setTo(user.getEmail());
-            helper.setSubject(dropPasswordSubject);
-
-            String htmlContent = loadAndProcessTemplate(user.getFullName(), code,
-                    "templates/reset-password.html");
-            helper.setText(htmlContent, true);
-
-            mailSender.send(message);
-
-            log.info("Email sent to: {}", user.getEmail());
-        } catch (Exception e) {
-            log.error("Failed to send email: {}", e.getMessage());
-        }
-    }
-
-    @Transactional
-    public EmailVerificationToken createEmailVerificationToken(AuthToken authToken) {
-        EmailVerificationToken emailToken = new EmailVerificationToken();
-        emailToken.setUser(authToken.getUser());
-        emailToken.setToken(generateVerificationCode());
-        emailToken.setCreatedAt(LocalDateTime.now());
-
-        return emailVerificationTokenRepository.save(emailToken);
-    }
-
-    private String generateVerificationCode() {
-        SecureRandom random = new SecureRandom();
-        int code = 100000 + random.nextInt(900000);
-
-        return String.valueOf(code);
-    }
-
-    private String loadAndProcessTemplate(String username, String code, String templatePath) throws IOException {
-        ClassPathResource resource = new ClassPathResource(templatePath);
-        String template = new String(resource.getInputStream().readAllBytes(), StandardCharsets.UTF_8);
-        String safeUsername = escapeHtml(username != null ? username : user);
-        String safeCode = escapeHtml(code);
-
-        return template
-                .replace("{{username}}", safeUsername)
-                .replace("{{code}}", safeCode);
-    }
-
-    private String escapeHtml(String text) {
-        if (text == null) return "";
-        return text
-                .replace("&", "&")
-                .replace("<", "&lt;")
-                .replace(">", "&gt;")
-                .replace("\"", "&quot;")
-                .replace("'", "&#39;");
-    }
-}

src/main/java/ru/soune/nocopy/service/register/CleanUpVerifyTokens.java

@@ -1,31 +0,0 @@
-package ru.soune.nocopy.service.register;
-
-import lombok.RequiredArgsConstructor;
-import org.springframework.scheduling.annotation.Scheduled;
-import org.springframework.stereotype.Service;
-import org.springframework.transaction.annotation.Transactional;
-import ru.soune.nocopy.entity.user.EmailVerificationToken;
-import ru.soune.nocopy.repository.EmailVerificationTokenRepository;
-
-import java.time.LocalDateTime;
-import java.util.List;
-
-@Service
-@RequiredArgsConstructor
-public class CleanUpVerifyTokens {
-
-    private final EmailVerificationTokenRepository emailVerificationTokenRepository;
-
-    @Transactional
-    @Scheduled(fixedDelay = 30000)
-    public void cleanupExpiredTokens() {
-        LocalDateTime now = LocalDateTime.now();
-
-
-        List<EmailVerificationToken> expiredTokens = emailVerificationTokenRepository.findByExpiresAtBefore(now);
-
-        if (!expiredTokens.isEmpty()) {
-            emailVerificationTokenRepository.deleteAll(expiredTokens);
-        }
-    }
-}

src/main/resources/application.yaml

@@ -1,25 +1,7 @@
 spring:
-  mail:
-    host: smtp.gmail.com
-    port: 587
-    username: vlad.popovtsev@gmail.com
-    password: gocjwvrqrzlaatsr
-    properties:
-      mail:
-        smtp:
-          auth: true
-          starttls:
-            enable: true
-
-#    mail:
-#      host: postfix
-  #      port: 25
-  #      username: noreply@nocopy.com
-  #      password: nocopy!nocopy!
-  #      properties:
-  #        mail.smtp.auth: false
-  #        mail.smtp.starttls.enable: false
-  #        mail.debug: true
+  flyway:
+    enabled: true
+    baseline-on-migrate: true
 
   datasource:
     url: jdbc:postgresql://${POSTGRES_HOST}:${POSTGRES_PORT}/${POSTGRES_DB}
@@ -77,12 +59,4 @@ logging:
 yandex:
   api-key: ${YANDEX_API_KEY:AQVNyaVaUmgUb1GMCtf5zSEqFxy0woXrcMOOB43q}
   folder-id: ${YANDEX_FOLDER_ID:b1gokpdbm6qfpsou8pcd}
-  search-url: ${YANDEX_SEARCH_URL:https://searchapi.api.cloud.yandex.net/v2/image/search_by_image}
-
-app:
-  email:
-    verification:
-      standart-subject: NO COPY - Подтверждение email адреса
-      drop-password-subject: NO COPY - сброс пароля
-      standart-address-from: NO COPY <noreply@nocopy.com>
-      user: Пользователь
+  search-url: ${YANDEX_SEARCH_URL:https://searchapi.api.cloud.yandex.net/v2/image/search_by_image}

src/main/resources/db/migration/V1__add_image_hash_prefix_index.sql

@@ -0,0 +1,2 @@
+CREATE INDEX idx_image_hash_prefix
+    ON image_hashes ((hash_value >> 48));

src/main/resources/templates/email-verification.html

@@ -1,127 +0,0 @@
-<!DOCTYPE html>
-<html>
-<head>
-    <meta charset="UTF-8">
-    <meta name="viewport" content="width=device-width, initial-scale=1.0">
-    <title>Подтверждение email</title>
-    <style>
-        body {
-            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
-            line-height: 1.6;
-            color: #333;
-            margin: 0;
-            padding: 0;
-            background-color: #f5f5f5;
-        }
-        .container {
-            max-width: 600px;
-            margin: 0 auto;
-            background: white;
-            border-radius: 12px;
-            overflow: hidden;
-            box-shadow: 0 6px 20px rgba(0,0,0,0.1);
-        }
-        .header {
-            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
-            color: white;
-            padding: 40px 20px;
-            text-align: center;
-        }
-        .logo {
-            font-size: 32px;
-            font-weight: 800;
-            margin-bottom: 10px;
-            letter-spacing: 1px;
-        }
-        .content {
-            padding: 40px 30px;
-        }
-        .greeting {
-            font-size: 18px;
-            margin-bottom: 20px;
-        }
-        .username {
-            color: #667eea;
-            font-weight: bold;
-        }
-        .code-container {
-            background: #f8f9fa;
-            border: 2px dashed #667eea;
-            border-radius: 10px;
-            padding: 25px;
-            text-align: center;
-            margin: 30px 0;
-        }
-        .verification-code {
-            font-size: 42px;
-            font-weight: 800;
-            letter-spacing: 8px;
-            color: #333;
-            margin: 0;
-        }
-        .info-text {
-            color: #666;
-            font-size: 14px;
-            margin: 10px 0;
-        }
-        .warning {
-            background: #fff3cd;
-            border: 1px solid #ffeaa7;
-            color: #856404;
-            padding: 15px;
-            border-radius: 8px;
-            margin: 25px 0;
-            font-size: 14px;
-        }
-        .footer {
-            text-align: center;
-            padding: 25px;
-            color: #666;
-            font-size: 12px;
-            border-top: 1px solid #eee;
-            background: #f9f9f9;
-        }
-        .highlight {
-            color: #764ba2;
-            font-weight: 600;
-        }
-    </style>
-</head>
-<body>
-<div class="container">
-    <div class="header">
-        <div class="logo">NO COPY</div>
-        <h1>Подтверждение email адреса</h1>
-    </div>
-
-    <div class="content">
-        <p class="greeting">
-            Здравствуйте, <span class="username">{{username}}</span>!
-        </p>
-
-        <p>Спасибо за регистрацию на платформе NO COPY.
-            Для завершения регистрации, пожалуйста, введите код подтверждения:</p>
-
-        <div class="code-container">
-            <p class="verification-code">{{code}}</p>
-            <p class="info-text">Код подтверждения</p>
-        </div>
-
-        <p class="info-text">
-            Код действителен в течение <span class="highlight">15 минут</span>
-        </p>
-
-        <div class="warning">
-             <strong>Важно:</strong> Если вы не регистрировались на NO COPY,
-            просто проигнорируйте это письмо.
-        </div>
-    </div>
-
-    <div class="footer">
-        <p>© 2024 NO COPY. Все права защищены.</p>
-        <p>Это письмо отправлено автоматически, пожалуйста, не отвечайте на него.</p>
-        <p>Если у вас возникли вопросы, обратитесь в службу поддержки.</p>
-    </div>
-</div>
-</body>
-</html>

src/main/resources/templates/reset-password.html

@@ -1,201 +0,0 @@
-<!DOCTYPE html>
-<html>
-<head>
-    <meta charset="UTF-8">
-    <meta name="viewport" content="width=device-width, initial-scale=1.0">
-    <title>Восстановление пароля</title>
-    <style>
-        body {
-            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
-            line-height: 1.6;
-            color: #333;
-            margin: 0;
-            padding: 0;
-            background-color: #f5f5f5;
-        }
-        .container {
-            max-width: 600px;
-            margin: 0 auto;
-            background: white;
-            border-radius: 12px;
-            overflow: hidden;
-            box-shadow: 0 6px 20px rgba(0,0,0,0.1);
-        }
-        .header {
-            background: linear-gradient(135deg, #ff6b6b 0%, #ee5a52 100%);
-            color: white;
-            padding: 40px 20px;
-            text-align: center;
-        }
-        .logo {
-            font-size: 32px;
-            font-weight: 800;
-            margin-bottom: 10px;
-            letter-spacing: 1px;
-        }
-        .content {
-            padding: 40px 30px;
-        }
-        .greeting {
-            font-size: 18px;
-            margin-bottom: 20px;
-        }
-        .username {
-            color: #ee5a52;
-            font-weight: bold;
-        }
-        .code-container {
-            background: #f8f9fa;
-            border: 2px dashed #ff6b6b;
-            border-radius: 10px;
-            padding: 25px;
-            text-align: center;
-            margin: 30px 0;
-        }
-        .verification-code {
-            font-size: 42px;
-            font-weight: 800;
-            letter-spacing: 8px;
-            color: #333;
-            margin: 0;
-        }
-        .info-text {
-            color: #666;
-            font-size: 14px;
-            margin: 10px 0;
-        }
-        .warning {
-            background: #fff3cd;
-            border: 1px solid #ffeaa7;
-            color: #856404;
-            padding: 15px;
-            border-radius: 8px;
-            margin: 25px 0;
-            font-size: 14px;
-        }
-        .action-button {
-            display: inline-block;
-            background: linear-gradient(135deg, #ff6b6b 0%, #ee5a52 100%);
-            color: white;
-            padding: 14px 32px;
-            text-decoration: none;
-            border-radius: 8px;
-            font-weight: 600;
-            margin: 20px 0;
-            text-align: center;
-            transition: all 0.3s ease;
-        }
-        .action-button:hover {
-            background: linear-gradient(135deg, #ee5a52 0%, #d64541 100%);
-            transform: translateY(-2px);
-            box-shadow: 0 4px 12px rgba(238, 90, 82, 0.3);
-        }
-        .steps {
-            margin: 30px 0;
-            padding-left: 20px;
-        }
-        .steps li {
-            margin-bottom: 10px;
-            padding-left: 5px;
-        }
-        .footer {
-            text-align: center;
-            padding: 25px;
-            color: #666;
-            font-size: 12px;
-            border-top: 1px solid #eee;
-            background: #f9f9f9;
-        }
-        .highlight {
-            color: #ee5a52;
-            font-weight: 600;
-        }
-        .urgent {
-            color: #d63031;
-            font-weight: 700;
-        }
-        .link-fallback {
-            margin-top: 15px;
-            font-size: 13px;
-            color: #666;
-        }
-        .timer {
-            background: #ffebee;
-            border-left: 4px solid #ff6b6b;
-            padding: 12px 15px;
-            margin: 20px 0;
-            border-radius: 0 8px 8px 0;
-        }
-        .timer-text {
-            color: #d32f2f;
-            font-weight: 600;
-        }
-    </style>
-</head>
-<body>
-<div class="container">
-    <div class="header">
-        <div class="logo">NO COPY</div>
-        <h1>Восстановление пароля</h1>
-        <p>Безопасный доступ к вашему аккаунту</p>
-    </div>
-
-    <div class="content">
-        <p class="greeting">
-            Здравствуйте, <span class="username">{{username}}</span>!
-        </p>
-
-        <p>Мы получили запрос на восстановление пароля для вашего аккаунта NO COPY.</p>
-        <p>Для продолжения восстановления доступа, пожалуйста, используйте следующий код подтверждения:</p>
-
-        <div class="code-container">
-            <p class="verification-code">{{code}}</p>
-            <p class="info-text">Код для восстановления пароля</p>
-        </div>
-
-        <div class="timer">
-            <p class="timer-text">Код действителен в течение 15 минут</p>
-        </div>
-
-        <h3>Как использовать этот код:</h3>
-        <ol class="steps">
-            <li>Вернитесь на страницу восстановления пароля</li>
-            <li>Введите полученный код в поле подтверждения</li>
-            <li>Создайте новый надежный пароль</li>
-            <li>Войдите в аккаунт с новым паролем</li>
-        </ol>
-
-        <div style="text-align: center;">
-            <a href="{{resetLink}}" class="action-button">Перейти к восстановлению пароля</a>
-        </div>
-
-        <p class="link-fallback">
-            Если кнопка не работает, скопируйте и вставьте эту ссылку в браузер:<br>
-            <span style="color: #3498db; word-break: break-all;">{{resetLink}}</span>
-        </p>
-
-        <div class="warning">
-            <strong>Важная информация:</strong><br>
-            1. Если вы не запрашивали восстановление пароля, проигнорируйте это письмо.<br>
-            2. Никому не сообщайте этот код, включая сотрудников поддержки.<br>
-            3. После успешного восстановления старый пароль будет недействителен.
-        </div>
-
-        <p style="font-size: 13px; color: #7f8c8d;">
-            <strong>Совет по безопасности:</strong> Используйте пароль длиной не менее 8 символов,
-            содержащий буквы (заглавные и строчные), цифры и специальные символы.
-        </p>
-    </div>
-
-    <div class="footer">
-        <p>© 2024 NO COPY. Все права защищены.</p>
-        <p>Это письмо отправлено автоматически, пожалуйста, не отвечайте на него.</p>
-        <p>Если у вас возникли вопросы или вы не запрашивали восстановление пароля,
-            <a href="mailto:support@nocopy.com" style="color: #ee5a52;">свяжитесь со службой поддержки</a>.</p>
-        <p style="font-size: 11px; margin-top: 10px;">
-            IP запроса: {{ipAddress}} • Время: {{timestamp}} • Устройство: {{deviceInfo}}
-        </p>
-    </div>
-</div>
-</body>
-</html>