change package

src/main/java/ru/soune/nocopy/NoCopyApplication.java

@@ -0,0 +1,13 @@
+package ru.soune.nocopy;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class NoCopyApplication {
+
+	public static void main(String[] args) {
+		SpringApplication.run(NoCopyApplication.class, args);
+	}
+
+}

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

@@ -0,0 +1,17 @@
+package ru.soune.nocopy.configuration;
+
+import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
+import org.springframework.security.crypto.password.PasswordEncoder;
+
+@Configuration
+@EnableAutoConfiguration
+public class ApplicationConfig {
+
+    @Bean
+    PasswordEncoder passwordEncoder() {
+        return new BCryptPasswordEncoder();
+    }
+}

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

@@ -0,0 +1,41 @@
+package ru.soune.nocopy.configuration;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.SerializationFeature;
+import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
+import com.fasterxml.jackson.datatype.jsr310.deser.LocalDateDeserializer;
+import com.fasterxml.jackson.datatype.jsr310.ser.LocalDateSerializer;
+import com.fasterxml.jackson.datatype.jsr310.ser.LocalDateTimeSerializer;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Primary;
+
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+
+@Configuration
+public class JacksonConfig {
+
+    @Bean
+    @Primary
+    public ObjectMapper objectMapper() {
+        ObjectMapper mapper = new ObjectMapper();
+
+        JavaTimeModule javaTimeModule = new JavaTimeModule();
+
+        javaTimeModule.addSerializer(LocalDate.class, new LocalDateSerializer(
+                DateTimeFormatter.ofPattern("dd-MM-yyyy")));
+
+        javaTimeModule.addDeserializer(LocalDate.class, new LocalDateDeserializer(
+                DateTimeFormatter.ofPattern("dd-MM-yyyy")));
+
+        javaTimeModule.addSerializer(LocalDateTime.class, new LocalDateTimeSerializer(
+                DateTimeFormatter.ofPattern("dd-MM-yyyy HH:mm:ss")));
+
+        mapper.registerModule(javaTimeModule);
+        mapper.disable(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS);
+
+        return mapper;
+    }
+}

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

@@ -0,0 +1,9 @@
+package ru.soune.nocopy.configuration;
+
+import org.springframework.context.annotation.Configuration;
+import org.springframework.data.jpa.repository.config.EnableJpaAuditing;
+
+@Configuration
+@EnableJpaAuditing
+public class JpaConfiguration {
+}

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

@@ -0,0 +1,35 @@
+package ru.soune.nocopy.configuration;
+
+import lombok.Getter;
+import org.springframework.boot.context.properties.ConfigurationProperties;
+import org.springframework.stereotype.Component;
+
+import java.util.Map;
+
+@Component
+@ConfigurationProperties(prefix = "subscription")
+@Getter
+public class SubscriptionConfig {
+
+    private final Map<SubscriptionType, SubscriptionLimits> limits = Map.of(
+            SubscriptionType.START, new SubscriptionLimits(50, 5.0),
+            SubscriptionType.BASIC, new SubscriptionLimits(200, 20.0),
+            SubscriptionType.PRO, new SubscriptionLimits(1000, 100.0),
+            SubscriptionType.ENTERPRISE, new SubscriptionLimits(-1, 500.0)
+    );
+
+    @Getter
+    public static class SubscriptionLimits {
+        private final int monthlyFiles;
+        private final double storageGB;
+
+        public SubscriptionLimits(int monthlyFiles, double storageGB) {
+            this.monthlyFiles = monthlyFiles;
+            this.storageGB = storageGB;
+        }
+    }
+
+    public enum SubscriptionType {
+        START, BASIC, PRO, ENTERPRISE
+    }
+}

src/main/java/ru/soune/nocopy/configuration/file/AsyncConfig.java

@@ -0,0 +1,24 @@
+package ru.soune.nocopy.configuration.file;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.scheduling.annotation.EnableAsync;
+import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
+
+import java.util.concurrent.Executor;
+
+@Configuration
+@EnableAsync
+public class AsyncConfig {
+
+    @Bean(name = "fileUploadTaskExecutor")
+    public Executor fileUploadTaskExecutor() {
+        ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
+        executor.setCorePoolSize(3);
+        executor.setMaxPoolSize(10);
+        executor.setQueueCapacity(50);
+        executor.setThreadNamePrefix("FileUpload-");
+        executor.initialize();
+        return executor;
+    }
+}

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

@@ -0,0 +1,58 @@
+package ru.soune.nocopy.controller;
+
+import jakarta.validation.Valid;
+import lombok.RequiredArgsConstructor;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+import ru.soune.nocopy.dto.AuthResponse;
+import ru.soune.nocopy.dto.LoginRequest;
+import ru.soune.nocopy.dto.LoginResponse;
+import ru.soune.nocopy.dto.RegisterRequest;
+import ru.soune.nocopy.entity.AuthToken;
+import ru.soune.nocopy.exception.TokenNotFoundException;
+import ru.soune.nocopy.repository.AuthTokenRepository;
+import ru.soune.nocopy.service.AuthService;
+
+import java.util.Map;
+import java.util.Optional;
+
+@RestController
+@RequestMapping("v1/api/auth")
+@RequiredArgsConstructor
+public class AuthController {
+
+    private final AuthService authService;
+
+    private final AuthTokenRepository authTokenRepository;
+
+    @PostMapping("/register")
+    public ResponseEntity<AuthResponse> register(@Valid @RequestBody RegisterRequest registerRequest) {
+        AuthToken authToken = authService.register(registerRequest);
+
+        return ResponseEntity.ok(new AuthResponse(true, "success.user.register", authToken.getToken(),
+                authToken.getExpiresAt()));
+    }
+
+    @PostMapping("/login")
+    public ResponseEntity<LoginResponse> login(@Valid @RequestBody LoginRequest request) {
+        AuthToken login = authService.login(request);
+
+        return ResponseEntity.ok(new LoginResponse(true, login.getUser().getEmail(),
+                login.getToken(),login.getExpiresAt().toString()));
+    }
+
+    @PostMapping("/logout")
+    public ResponseEntity<?> logout(@RequestHeader("Authorization") String tokenHeader) {
+        String token = tokenHeader.replace("Bearer ", "");
+
+        Optional<AuthToken> opToken = authTokenRepository.findByToken(token);
+
+        if (opToken.isEmpty()) {
+            throw new TokenNotFoundException("Token not found");
+        }
+
+        authService.logout(token);
+
+        return ResponseEntity.ok(Map.of("success", true));
+    }
+}

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

@@ -0,0 +1,14 @@
+package ru.soune.nocopy.controller;
+
+import org.springframework.http.HttpStatus;
+import org.springframework.web.bind.annotation.*;
+
+@RestController
+@RequestMapping("/api")
+public class HealtCheckController {
+
+    @GetMapping("/healt")
+    public HttpStatus healtCheck() {
+        return HttpStatus.OK;
+    }
+}

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

@@ -0,0 +1,11 @@
+package ru.soune.nocopy.controller;
+
+import lombok.AllArgsConstructor;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@RequestMapping("v1/api/content")
+@AllArgsConstructor
+public class UserContentController {
+}

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

@@ -0,0 +1,111 @@
+package ru.soune.nocopy.controller;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+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.UserService;
+
+import java.util.List;
+import java.util.Optional;
+
+@RestController
+@RequestMapping("v1/api/user")
+@RequiredArgsConstructor
+public class UserController {
+
+    private final UserRepository userRepository;
+
+    private final UserService userService;
+
+    private final AuthTokenRepository authTokenRepository;
+
+    private final UserMapper userMapper;
+
+    @GetMapping("/all")
+    public ResponseEntity<List<UserDTO>> getAllUsers() {
+        List<UserDTO> allUsers = userRepository.findAll().stream()
+                .map(u -> new UserDTO(u.getFullName(), u.getCompany(), u.getEmail(), u.getIsActive(),
+                        u.getPhone(), u.getGenderType(),
+                        u.getBirthday(), u.getCreatedAt(), u.getSubscriptionType()))
+                .toList();
+
+        return ResponseEntity.ok(allUsers);
+    }
+
+    @GetMapping
+    public ResponseEntity<UserDTO> getUser(@RequestParam("email") String email,
+                                           @RequestHeader("Authorization") String tokenHeader) {
+        String token = tokenHeader.replace("Bearer ", "");
+
+        Optional<AuthToken> tokenOptional = authTokenRepository.findByToken(token);
+
+        AuthToken authToken = tokenOptional.orElseThrow(() -> new NotFoundAuthToken("Token: " + token + "not found"));
+
+        if (authToken != null) {
+            Optional<User> user = userRepository.findByEmail(email);
+            //TODO add mapper
+            if (user.isPresent()) {
+                UserDTO userDTO = userMapper.toDTO(user.get());
+                userDTO.setEmail(email);
+                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);
+            }
+
+        }
+
+        return ResponseEntity.notFound().build();
+    }
+
+    //TODO fix mapper,doesnot exist all fields
+    @PostMapping("/change-password")
+    public ResponseEntity<UserDTO> updateUser(@RequestBody ChangePasswordRequest changePasswordRequest,
+                                              @RequestHeader("Authorization") String tokenHeader) {
+        String token = tokenHeader.replace("Bearer ", "");
+
+        Optional<AuthToken> tokenOptional = authTokenRepository.findByToken(token);
+
+        AuthToken authToken = tokenOptional.orElseThrow(() -> new NotFoundAuthToken("Token: " + token + "not found"));
+
+        User user = authToken.getUser();
+
+        if (!changePasswordRequest.getEmail().equals(user.getEmail())) {
+            throw new InvalidUserEmail("Email is not valid: " + changePasswordRequest.getEmail() + "not found");
+        }
+
+        User updateUser = userService.changePassword(user, changePasswordRequest);
+
+        return ResponseEntity.ok(userMapper.toDTO(updateUser));
+    }
+
+    @PatchMapping("/user-update")
+    public ResponseEntity<UserDTO> updateUser(@RequestBody UserRequest userRequest,
+                                              @RequestHeader("Authorization") String tokenHeader) {
+        String token = tokenHeader.replace("Bearer ", "");
+
+        Optional<AuthToken> tokenOptional = authTokenRepository.findByToken(token);
+
+        AuthToken authToken = tokenOptional.orElseThrow(() -> new NotFoundAuthToken("Token: " + token + "not found"));
+
+        User user = authToken.getUser();
+
+        return ResponseEntity.ok(userService.updateUser(userRequest, user));
+    }
+}

src/main/java/ru/soune/nocopy/controller/file/FileUploadController.java

@@ -0,0 +1,224 @@
+package ru.soune.nocopy.controller.file;
+
+import jakarta.validation.Valid;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+import org.springframework.web.multipart.MultipartFile;
+import ru.soune.nocopy.dto.file.FileApiResponse;
+import ru.soune.nocopy.dto.file.InitUploadRequest;
+import ru.soune.nocopy.dto.file.UploadProgressResponse;
+import ru.soune.nocopy.entity.AuthToken;
+import ru.soune.nocopy.entity.file.FileType;
+import ru.soune.nocopy.entity.file.FileUploadSession;
+import ru.soune.nocopy.entity.file.UploadStatus;
+import ru.soune.nocopy.exception.FileUploadException;
+import ru.soune.nocopy.exception.NotFoundAuthToken;
+import ru.soune.nocopy.exception.UploadSessionNotFoundException;
+import ru.soune.nocopy.repository.AuthTokenRepository;
+import ru.soune.nocopy.repository.FileUploadSessionRepository;
+import ru.soune.nocopy.service.file.FileUploadService;
+
+import java.util.*;
+
+@Slf4j
+@RestController
+@RequestMapping("/api/files")
+@RequiredArgsConstructor
+public class FileUploadController {
+
+    private final FileUploadService fileUploadService;
+
+    private final AuthTokenRepository authTokenRepository;
+
+    private final FileUploadSessionRepository fileUploadSessionRepository;
+
+    //TODO ADD TEMPLATE JSON, RESPONSE OK,ADD MESSAGE CODE
+    @PostMapping("/init")
+    public ResponseEntity<FileApiResponse<FileUploadSession>> initUpload(@Valid @RequestBody InitUploadRequest request,
+                                                                         @RequestHeader("Authorization") String tokenHeader) {
+        String token = tokenHeader.replace("Bearer ", "");
+
+        Optional<AuthToken> tokenOptional = authTokenRepository.findByToken(token);
+
+        AuthToken authToken = tokenOptional.orElseThrow(() -> new NotFoundAuthToken("Token: " + token + "not found"));
+
+        try {
+            FileUploadSession session = fileUploadService.initUpload(authToken.getUser().getId(), request.getFileName(),
+                    request.getFileType(), request.getExtension(), request.getFileSize());
+
+            return ResponseEntity.ok(FileApiResponse.success(session));
+        } catch (Exception e) {
+            log.error("Error initializing upload", e);
+            return ResponseEntity.badRequest()
+                    .body(FileApiResponse.error(e.getMessage()));
+        }
+    }
+
+    @GetMapping("/file-types")
+    public ResponseEntity<List<FileType>> getFileTypes() {
+        return ResponseEntity.ok(Arrays.asList(FileType.values()));
+    }
+
+
+    @PostMapping("/chunk")
+    public ResponseEntity<FileApiResponse<UploadProgressResponse>> uploadChunk(
+            @RequestParam("uploadId") String uploadId,
+            @RequestParam("chunkNumber") Integer chunkNumber,
+            @RequestParam("chunk") MultipartFile chunk) {
+
+        log.info("Uploading chunk {} for session {}, file size: {} bytes",
+                chunkNumber, uploadId, chunk.getSize());
+
+        if (chunk.isEmpty()) {
+            return ResponseEntity.badRequest()
+                    .body(FileApiResponse.error("Chunk file is empty"));
+        }
+
+        if (uploadId == null || uploadId.isBlank()) {
+            return ResponseEntity.badRequest()
+                    .body(FileApiResponse.error("Upload ID is required"));
+        }
+
+        try {
+            UploadProgressResponse progress = fileUploadService.uploadChunk(
+                    uploadId, chunkNumber, chunk);
+
+            return ResponseEntity.ok(FileApiResponse.success(progress));
+
+        } catch (Exception e) {
+            log.error("Error uploading chunk", e);
+            return ResponseEntity.badRequest()
+                    .body(FileApiResponse.error(e.getMessage()));
+        }
+    }
+
+    @GetMapping("/progress/{uploadId}")
+    public ResponseEntity<FileApiResponse<UploadProgressResponse>> getProgress(
+            @PathVariable String uploadId) {
+
+        try {
+            UploadProgressResponse progress = fileUploadService.getUploadProgress(uploadId);
+            return ResponseEntity.ok(FileApiResponse.success(progress));
+
+        } catch (UploadSessionNotFoundException e) {
+            return ResponseEntity.status(HttpStatus.NOT_FOUND)
+                    .body(FileApiResponse.error("Upload session not found"));
+        } catch (Exception e) {
+            log.error("Error getting progress", e);
+            return ResponseEntity.badRequest()
+                    .body(FileApiResponse.error("Failed to get progress"));
+        }
+    }
+
+    @PostMapping("/{uploadId}/complete")
+    public ResponseEntity<FileApiResponse<UploadProgressResponse>> completeUpload(
+            @PathVariable String uploadId) {
+
+        log.info("Manual completion requested for session: {}", uploadId);
+
+        try {
+            UploadProgressResponse progress = fileUploadService.getUploadProgress(uploadId);
+
+            if (progress.getStatus() == UploadStatus.COMPLETED) {
+                return ResponseEntity.ok(FileApiResponse.success(
+                        "Upload already completed", progress));
+            }
+
+            if (progress.getUploadedChunks() < progress.getTotalChunks()) {
+                return ResponseEntity.badRequest()
+                        .body(FileApiResponse.error(
+                                String.format("Not all chunks uploaded: %d/%d",
+                                        progress.getUploadedChunks(), progress.getTotalChunks())));
+            }
+
+            return ResponseEntity.ok(FileApiResponse.success(
+                    "File assembly in progress", progress));
+
+        } catch (UploadSessionNotFoundException e) {
+            return ResponseEntity.status(HttpStatus.NOT_FOUND)
+                    .body(FileApiResponse.error("Upload session not found"));
+        } catch (Exception e) {
+            log.error("Error completing upload", e);
+            return ResponseEntity.internalServerError()
+                    .body(FileApiResponse.error("Failed to complete upload"));
+        }
+    }
+
+    @PostMapping("/{uploadId}/cancel")
+    public ResponseEntity<FileApiResponse<Void>> cancelUpload(
+            @PathVariable String uploadId) {
+
+        log.info("Cancelling upload session: {}", uploadId);
+
+        try {
+            fileUploadService.cancelUpload(uploadId);
+            return ResponseEntity.ok(FileApiResponse.success(
+                    "Upload cancelled successfully", null));
+
+        } catch (UploadSessionNotFoundException e) {
+            return ResponseEntity.status(HttpStatus.NOT_FOUND)
+                    .body(FileApiResponse.error("Upload session not found"));
+        } catch (FileUploadException e) {
+            return ResponseEntity.badRequest()
+                    .body(FileApiResponse.error(e.getMessage()));
+        } catch (Exception e) {
+            log.error("Error cancelling upload", e);
+            return ResponseEntity.internalServerError()
+                    .body(FileApiResponse.error("Failed to cancel upload"));
+        }
+    }
+
+    @PostMapping("/{uploadId}/retry")
+    public ResponseEntity<FileApiResponse<UploadProgressResponse>> retryUpload(
+            @PathVariable String uploadId) {
+
+        log.info("Retry requested for failed upload: {}", uploadId);
+
+        try {
+            fileUploadService.retryFailedUpload(uploadId);
+            UploadProgressResponse progress = fileUploadService.getUploadProgress(uploadId);
+
+            return ResponseEntity.ok(FileApiResponse.success(
+                    "Upload retry initiated", progress));
+
+        } catch (UploadSessionNotFoundException e) {
+            return ResponseEntity.status(HttpStatus.NOT_FOUND)
+                    .body(FileApiResponse.error("Upload session not found"));
+        } catch (FileUploadException e) {
+            return ResponseEntity.badRequest()
+                    .body(FileApiResponse.error(e.getMessage()));
+        } catch (Exception e) {
+            log.error("Error retrying upload", e);
+            return ResponseEntity.internalServerError()
+                    .body(FileApiResponse.error("Failed to retry upload"));
+        }
+    }
+
+    @GetMapping("/{uploadId}/chunks")
+    public ResponseEntity<FileApiResponse<Map<Integer, Boolean>>> getChunkStatus(
+            @PathVariable String uploadId) {
+
+        try {
+            FileUploadSession session = fileUploadSessionRepository.findById(uploadId)
+                    .orElseThrow(() -> new UploadSessionNotFoundException(uploadId));
+
+            Map<Integer, Boolean> chunkStatus = new HashMap<>();
+            for (int i = 0; i < session.getTotalChunks(); i++) {
+                chunkStatus.put(i, session.getChunkPaths().containsKey(i));
+            }
+
+            return ResponseEntity.ok(FileApiResponse.success(chunkStatus));
+
+        } catch (UploadSessionNotFoundException e) {
+            return ResponseEntity.status(HttpStatus.NOT_FOUND)
+                    .body(FileApiResponse.error("Upload session not found"));
+        } catch (Exception e) {
+            log.error("Error getting chunk status", e);
+            return ResponseEntity.internalServerError()
+                    .body(FileApiResponse.error("Failed to get chunk status"));
+        }
+    }
+}

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

@@ -0,0 +1,14 @@
+package ru.soune.nocopy.dto;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.Getter;
+
+@Data
+@AllArgsConstructor
+@Getter
+public class ChangePasswordRequest {
+    private String email;
+    private String currentPassword;
+    private String newPassword;
+}

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

@@ -0,0 +1,20 @@
+package ru.soune.nocopy.dto;
+
+import jakarta.validation.constraints.Email;
+import jakarta.validation.constraints.NotBlank;
+import jakarta.validation.constraints.Size;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+public class LoginRequest {
+
+    @NotBlank(message = "error.not.blank") @Email(message = "error.not.email") @Size(max = 128)
+    private String email;
+
+    @NotBlank(message = "error.not.blank") @Size(min = 8)
+    private String password;
+}

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

@@ -0,0 +1,13 @@
+package ru.soune.nocopy.dto;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+
+@Data
+@AllArgsConstructor
+public class LoginResponse {
+    private boolean success;
+    private String email;
+    private String token;
+    private String expiresAt;
+}

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

@@ -0,0 +1,40 @@
+package ru.soune.nocopy.dto;
+
+import com.fasterxml.jackson.annotation.JsonFormat;
+import jakarta.validation.constraints.Email;
+import jakarta.validation.constraints.NotBlank;
+import jakarta.validation.constraints.Past;
+import jakarta.validation.constraints.Size;
+import org.springframework.format.annotation.DateTimeFormat;
+import ru.soune.nocopy.entity.GenderType;
+import ru.soune.nocopy.entity.SubscriptionType;
+
+import java.time.LocalDate;
+
+public record RegisterRequest(
+        @NotBlank(message = "error.name.length")
+        String fullName,
+
+        String companyName,
+
+        @Size(min = 11, max = 14)
+        String phone,
+
+        @NotBlank(message = "error.not.blank")
+        @Email(message = "error.not.email")
+        @Size(max = 128)
+        String email,
+
+        @DateTimeFormat(pattern = "dd-MM-yyyy")
+        @JsonFormat(pattern = "dd-MM-yyyy")
+        @Past
+        LocalDate birthday,
+
+        @NotBlank(message = "error.not.blank")
+        @Size(min = 8)
+        String password,
+
+        SubscriptionType subscriptionType,
+
+        GenderType genderType
+) {}

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

@@ -0,0 +1,15 @@
+package ru.soune.nocopy.dto;
+
+import jakarta.validation.constraints.Email;
+import jakarta.validation.constraints.NotBlank;
+
+public record UserContentRequest(
+        @NotBlank @Email String userEmail,
+        @NotBlank String fileName,
+        @NotBlank String originalFilename,
+        @NotBlank String fileType,
+        @NotBlank String fileExtension,
+        @NotBlank Long fileSize,
+        @NotBlank String filePath,
+        Integer protectionLevel
+) {}

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

@@ -0,0 +1,16 @@
+package ru.soune.nocopy.dto;
+
+import jakarta.validation.constraints.Email;
+import jakarta.validation.constraints.NotBlank;
+
+public record UserContentUpdateRequest(
+        @NotBlank @Email String userEmail,
+        @NotBlank String fileName,
+        @NotBlank String originalFilename,
+        @NotBlank String fileType,
+        @NotBlank String fileExtension,
+        @NotBlank Long fileSize,
+        @NotBlank String filePath,
+        Integer protectionLevel,
+        Long id
+) {}

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

@@ -0,0 +1,27 @@
+package ru.soune.nocopy.dto;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+import ru.soune.nocopy.entity.GenderType;
+import ru.soune.nocopy.entity.SubscriptionType;
+
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+@Builder
+public class UserDTO {
+    private String fullName;
+    private String company;
+    private String email;
+    private boolean active;
+    private String phone;
+    private GenderType genderType;
+    private LocalDate birthday;
+    private LocalDateTime createdAt;
+    private SubscriptionType subscriptionType;
+}

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

@@ -0,0 +1,24 @@
+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.GenderType;
+
+import java.time.LocalDate;
+
+@Data
+public class UserRequest {
+    @Size(min = 2)
+    private String fullName;
+    private String company;
+    @Email
+    private String email;
+    private String phone;
+    private GenderType genderType;
+    @Past
+    @JsonFormat(pattern = "dd-MM-yyyy")
+    private LocalDate birthday;
+}

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

@@ -0,0 +1,41 @@
+package ru.soune.nocopy.dto.file;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+public class FileApiResponse<T> {
+
+    private boolean success;
+    private String message;
+    private T data;
+    private String error;
+
+    public static <T> FileApiResponse<T> success(T data) {
+        return FileApiResponse.<T>builder()
+                .success(true)
+                .message("Operation completed successfully")
+                .data(data)
+                .build();
+    }
+
+    public static <T> FileApiResponse<T> success(String message, T data) {
+        return FileApiResponse.<T>builder()
+                .success(true)
+                .message(message)
+                .data(data)
+                .build();
+    }
+
+    public static <T> FileApiResponse<T> error(String error) {
+        return FileApiResponse.<T>builder()
+                .success(false)
+                .error(error)
+                .build();
+    }
+}

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

@@ -0,0 +1,23 @@
+package ru.soune.nocopy.dto.file;
+
+import jakarta.validation.constraints.NotBlank;
+import jakarta.validation.constraints.NotNull;
+import jakarta.validation.constraints.Positive;
+import lombok.Data;
+
+@Data
+public class InitUploadRequest {
+
+    @NotBlank(message = "File name is required")
+    private String fileName;
+
+    @NotBlank(message = "File type is required")
+    private String fileType;
+
+    @NotBlank(message = "File extension is required")
+    private String extension;
+
+    @NotNull(message = "File size is required")
+    @Positive(message = "File size must be positive")
+    private Long fileSize;
+}

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

@@ -0,0 +1,39 @@
+package ru.soune.nocopy.dto.file;
+
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+import ru.soune.nocopy.entity.file.FileUploadSession;
+import ru.soune.nocopy.entity.file.UploadStatus;
+
+@Data
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+public class UploadProgressResponse {
+
+    private String uploadId;
+    private String fileName;
+    private Integer totalChunks;
+    private Integer uploadedChunks;
+    private UploadStatus status;
+    private Integer progressPercentage;
+    private String filePath;
+
+    public static UploadProgressResponse fromSession(FileUploadSession session) {
+        int progress = session.getTotalChunks() == 0 ? 0 :
+                (session.getChunksUploaded() * 100) / session.getTotalChunks();
+
+        return UploadProgressResponse.builder()
+                .uploadId(session.getUploadId())
+                .fileName(session.getFileName())
+                .totalChunks(session.getTotalChunks())
+                .uploadedChunks(session.getChunksUploaded())
+                .status(session.getStatus())
+                .progressPercentage(progress)
+                .filePath(session.getFilePath())
+                .build();
+    }
+}

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

@@ -0,0 +1,48 @@
+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 = "auth_tokens")
+@Getter
+@Setter
+@NoArgsConstructor
+@AllArgsConstructor
+@ToString
+@EntityListeners(AuditingEntityListener.class)
+public class AuthToken {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long tokenId;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "user_id", nullable = false)
+    @ToString.Exclude
+    private User user;
+
+    @Column(nullable = false, unique = true, length = 64)
+    private String token;
+
+    @Column(name = "expires_at", nullable = false)
+    private LocalDateTime expiresAt = LocalDateTime.now().plusDays(30);
+
+    @CreatedDate
+    @Column(name = "created_at", updatable = false, nullable = false)
+    private LocalDateTime createdAt;
+
+    @Column(name = "last_used_at")
+    private LocalDateTime lastUsedAt;
+
+    @Column(name = "is_active")
+    private Boolean isActive = true;
+
+    public boolean isValid() {
+        return Boolean.TRUE.equals(isActive) && expiresAt.isAfter(LocalDateTime.now());
+    }
+}

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

@@ -0,0 +1,29 @@
+package ru.soune.nocopy.entity;
+
+import jakarta.persistence.*;
+import lombok.Getter;
+import lombok.Setter;
+import org.springframework.data.annotation.CreatedDate;
+import org.springframework.data.annotation.LastModifiedDate;
+import org.springframework.data.jpa.domain.support.AuditingEntityListener;
+
+import java.time.LocalDateTime;
+
+@MappedSuperclass
+@EntityListeners(AuditingEntityListener.class)
+@Getter
+@Setter
+public abstract class BaseEntity {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    @CreatedDate
+    @Column(name = "created_at", updatable = false, nullable = false)
+    private LocalDateTime createdAt;
+
+    @LastModifiedDate
+    @Column(name = "updated_at")
+    private LocalDateTime updatedAt;
+}

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

@@ -0,0 +1,20 @@
+package ru.soune.nocopy.entity;
+
+import lombok.Getter;
+
+@Getter
+public enum ContentStatus {
+    PROCESSING("processing"),
+    COMPLETED("completed"),
+    ERROR("error");
+
+    private final String code;
+
+    ContentStatus(String code) {
+        this.code = code;
+    }
+
+    public String getCode() {
+        return code;
+    }
+}

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

@@ -0,0 +1,5 @@
+package ru.soune.nocopy.entity;
+
+public enum GenderType {
+    MALE, FEMALE
+}

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

@@ -0,0 +1,49 @@
+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 = "image_protection")
+@Getter
+@Setter
+@NoArgsConstructor
+@AllArgsConstructor
+@ToString
+@EntityListeners(AuditingEntityListener.class)
+public class ImageProtection {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long protectionId;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "user_id", nullable = false)
+    @ToString.Exclude
+    private User user;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "content_id", nullable = false)
+    @ToString.Exclude
+    private UserContent content;
+
+    @Column(name = "protection_method", nullable = false, length = 50)
+    private String protectionMethod;
+
+    @Column(name = "protection_level", nullable = false)
+    private Integer protectionLevel;
+
+    @Column(name = "is_active", nullable = false)
+    private Boolean isActive = true;
+
+    @CreatedDate
+    @Column(name = "applied_at", nullable = false, updatable = false)
+    private LocalDateTime appliedAt;
+
+    @Column(name = "metadata", columnDefinition = "JSON")
+    private String metadata;
+}

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

@@ -0,0 +1,8 @@
+package ru.soune.nocopy.entity;
+
+import lombok.Getter;
+
+@Getter
+public enum SubscriptionType {
+    START, BASIC, PRO, ENTERPRISE, DEMO;
+}

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

@@ -0,0 +1,92 @@
+package ru.soune.nocopy.entity;
+
+import com.fasterxml.jackson.annotation.JsonIgnore;
+import jakarta.persistence.*;
+import jakarta.validation.constraints.Size;
+import lombok.*;
+import org.springframework.data.annotation.CreatedDate;
+import org.springframework.data.jpa.domain.support.AuditingEntityListener;
+
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+import java.util.ArrayList;
+import java.util.List;
+
+@Entity
+@Table(name = "users")
+@Getter
+@Setter
+@NoArgsConstructor
+@AllArgsConstructor
+@ToString
+@EntityListeners(AuditingEntityListener.class)
+public class User {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long Id;
+
+    @Column(name = "full_name", nullable = false)
+    private String fullName;
+
+    @Size(max = 1024)
+    @Column(name = "email", nullable = false, length = 1024, unique = true)
+    private String email;
+
+    @Column(name = "company")
+    private String company;
+
+    @Column(nullable = false)
+    @Size(min = 6)
+    @JsonIgnore
+    private String password;
+
+    @Size(min = 11, max = 14)
+    private String phone;
+
+    @Enumerated(EnumType.STRING)
+    @Column(name = "subscription_type", nullable = false, length = 20)
+    private SubscriptionType subscriptionType = SubscriptionType.DEMO;
+
+    @Enumerated(EnumType.STRING)
+    @Column(name = "gender")
+    private GenderType genderType = GenderType.MALE;
+
+    @Column(name = "birthday")
+    private LocalDate birthday;
+
+    @CreatedDate
+    @Column(name = "created_at", updatable = false, nullable = false)
+    private LocalDateTime createdAt;
+
+    @Column(name = "last_login_at")
+    private LocalDateTime lastLoginAt;
+
+    @Column(name = "is_active")
+    private Boolean isActive = true;
+
+    @OneToMany(mappedBy = "user", cascade = CascadeType.ALL, orphanRemoval = true)
+    @JsonIgnore
+    @ToString.Exclude
+    private List<AuthToken> tokens = new ArrayList<>();
+
+    @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
+    private List<Violation> violations = new ArrayList<>();
+
+    @OneToMany(mappedBy = "user", cascade = CascadeType.ALL, orphanRemoval = true)
+    @JsonIgnore
+    @ToString.Exclude
+    private List<ImageProtection> imageProtections = new ArrayList<>();
+}

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

@@ -0,0 +1,80 @@
+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.FileType;
+
+import java.time.LocalDateTime;
+
+@Entity
+@Table(name = "user_content")
+@Getter
+@Setter
+@NoArgsConstructor
+@AllArgsConstructor
+@ToString
+@EntityListeners(AuditingEntityListener.class)
+public class UserContent {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long contentId;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "user_id", nullable = false)
+    @ToString.Exclude
+    private User user;
+
+    @Column(name = "filename", nullable = false, length = 255)
+    private String filename;
+
+    @Column(name = "original_filename", nullable = false, length = 255)
+    private String originalFilename;
+
+    @Enumerated(EnumType.STRING)
+    @Column(name = "file_type", nullable = false, length = 20)
+    private FileType fileType;
+
+    @Column(name = "file_extension", nullable = false, length = 10)
+    private String fileExtension;
+
+    @Column(name = "file_size", nullable = false)
+    private Long fileSize;
+
+    @Column(name = "file_path", nullable = false, columnDefinition = "TEXT")
+    private String filePath;
+
+    @Column(name = "protection_level")
+    private Integer protectionLevel = 0;
+
+    @Column(name = "geometric_resistant")
+    private Boolean geometricResistant = false;
+
+    @Column(name = "watermark_applied")
+    private Boolean watermarkApplied = false;
+
+    @Column(name = "protection_hash", length = 64)
+    private String protectionHash;
+
+    @Column(name = "watermark_id", length = 50)
+    private String watermarkId;
+
+    @Enumerated(EnumType.STRING)
+    @Column(name = "status", nullable = false, length = 20)
+    private ContentStatus status = ContentStatus.PROCESSING;
+
+    @CreatedDate
+    @Column(name = "upload_date", nullable = false, updatable = false)
+    private LocalDateTime uploadDate;
+
+    public Double getFileSizeInGB() {
+        return fileSize != null ? fileSize / (1024.0 * 1024.0 * 1024.0) : 0.0;
+    }
+
+    public Boolean isProtected() {
+        return protectionLevel != null && protectionLevel > 0;
+    }
+}
+

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

@@ -0,0 +1,56 @@
+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 = "violations")
+@Getter
+@Setter
+@NoArgsConstructor
+@AllArgsConstructor
+@ToString
+@EntityListeners(AuditingEntityListener.class)
+public class Violation {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long violationId;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "user_id", nullable = false)
+    @ToString.Exclude
+    private User user;
+
+    @Column(name = "violation_type", nullable = false, length = 50)
+    private String violationType;
+
+    @Column(name = "description", columnDefinition = "TEXT")
+    private String description;
+
+    @Column(name = "content_id")
+    private Long contentId;
+
+    @Column(name = "status", nullable = false, length = 20)
+    private String status = "new";
+
+    @Column(name = "severity", length = 20)
+    private String severity;
+
+    @Column(name = "resolved_at")
+    private LocalDateTime resolvedAt;
+
+    @Column(name = "resolved_by")
+    private Long resolvedBy;
+
+    @Column(name = "resolution_notes", columnDefinition = "TEXT")
+    private String resolutionNotes;
+
+    @CreatedDate
+    @Column(name = "created_at", nullable = false, updatable = false)
+    private LocalDateTime createdAt;
+}

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

@@ -0,0 +1,21 @@
+package ru.soune.nocopy.entity.file;
+
+import lombok.Getter;
+
+@Getter
+public enum FileType {
+    PHOTO("photo"),
+    VIDEO("video"),
+    AUDIO("audio"),
+    DOCUMENT("document");
+
+    private final String code;
+
+    FileType(String code) {
+        this.code = code;
+    }
+
+    public String getCode() {
+        return code;
+    }
+}

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

@@ -0,0 +1,92 @@
+package ru.soune.nocopy.entity.file;
+
+import jakarta.persistence.*;
+import lombok.*;
+import org.springframework.data.annotation.CreatedDate;
+
+import java.time.LocalDateTime;
+import java.util.HashMap;
+import java.util.Map;
+
+@Data
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+@Entity
+@Table(name = "file_upload_sessions")
+public class FileUploadSession {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.UUID)
+    @Column(name = "upload_id")
+    private String uploadId;
+
+    @Column(name = "user_id", nullable = false)
+    private Long userId;
+
+    @Column(name = "file_name", nullable = false)
+    private String fileName;
+
+    @Column(name = "file_type")
+    private String fileType;
+
+    @Column(name = "file_size")
+    private Long fileSize;
+
+    @Column(name = "total_chunks")
+    private Integer totalChunks;
+
+    @Column(name = "chunks_uploaded")
+    private Integer chunksUploaded;
+
+    @Column(name = "status")
+    @Enumerated(EnumType.STRING)
+    private UploadStatus status;
+
+    @Column(name = "file_path")
+    private String filePath;
+
+    @Column(name = "checksum")
+    private String checksum;
+
+    @CreatedDate
+    @Column(name = "created_at", updatable = false, nullable = false)
+    private LocalDateTime createdAt;
+
+    @Column(name = "expires_at")
+    private LocalDateTime expiresAt;
+
+    @Version
+    private Long version;
+
+    @Column(name = "last_error")
+    private String lastError;
+
+    @Column(name = "extension")
+    private String extension;
+
+    @Column(name = "retry_count")
+    private Integer retryCount = 0;
+
+    @Column(name = "completed_at")
+    private LocalDateTime completedAt;
+
+    @ElementCollection
+    @CollectionTable(
+            name = "uploaded_chunks",
+            joinColumns = @JoinColumn(name = "upload_id")
+    )
+    @MapKeyColumn(name = "chunk_number")
+    @Column(name = "chunk_path")
+    private Map<Integer, String> chunkPaths = new HashMap<>();
+
+    @PrePersist
+    public void prePersist() {
+        this.createdAt = LocalDateTime.now();
+        this.expiresAt = LocalDateTime.now().plusHours(24);
+        this.chunksUploaded = 0;
+        if (this.status == null) {
+            this.status = UploadStatus.INITIATED;
+        }
+    }
+}

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

@@ -0,0 +1,9 @@
+package ru.soune.nocopy.entity.file;
+
+public enum UploadStatus {
+    INITIATED,
+    UPLOADING,
+    COMPLETED,
+    FAILED,
+    CANCELLED
+}

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

@@ -0,0 +1,7 @@
+package ru.soune.nocopy.exception;
+
+public class ChunkSizeExceededException extends RuntimeException {
+    public ChunkSizeExceededException(long actualSize, long maxSize) {
+        super(String.format("Chunk size exceeded: %d > %d", actualSize, maxSize));
+    }
+}

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

@@ -0,0 +1,7 @@
+package ru.soune.nocopy.exception;
+
+public class ContentNotFoundException extends RuntimeException {
+    public ContentNotFoundException(String message) {
+        super(message);
+    }
+}

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

@@ -0,0 +1,7 @@
+package ru.soune.nocopy.exception;
+
+public class FileIntegrityException extends RuntimeException {
+    public FileIntegrityException(String message) {
+        super(message);
+    }
+}

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

@@ -0,0 +1,11 @@
+package ru.soune.nocopy.exception;
+
+public class FileUploadException extends RuntimeException {
+    public FileUploadException(String message) {
+        super(message);
+    }
+
+    public FileUploadException(String message, Throwable cause) {
+        super(message, cause);
+    }
+}

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

@@ -0,0 +1,7 @@
+package ru.soune.nocopy.exception;
+
+public class InvalidPasswordException extends RuntimeException {
+    public InvalidPasswordException(String message) {
+        super(message);
+    }
+}

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

@@ -0,0 +1,7 @@
+package ru.soune.nocopy.exception;
+
+public class InvalidUserEmail extends RuntimeException {
+    public InvalidUserEmail(String message) {
+        super(message);
+    }
+}

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

@@ -0,0 +1,7 @@
+package ru.soune.nocopy.exception;
+
+public class NotFoundAuthToken extends RuntimeException {
+    public NotFoundAuthToken(String message) {
+        super(message);
+    }
+}

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

@@ -0,0 +1,7 @@
+package ru.soune.nocopy.exception;
+
+public class NotValidationPasswordException extends RuntimeException {
+    public NotValidationPasswordException(String message) {
+        super(message);
+    }
+}

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

@@ -0,0 +1,7 @@
+package ru.soune.nocopy.exception;
+
+public class TokenNotFoundException extends RuntimeException {
+    public TokenNotFoundException(String message) {
+        super(message);
+    }
+}

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

@@ -0,0 +1,7 @@
+package ru.soune.nocopy.exception;
+
+public class UploadSessionNotFoundException extends RuntimeException {
+    public UploadSessionNotFoundException(String uploadId) {
+        super("Upload session not found: " + uploadId);
+    }
+}

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

@@ -0,0 +1,7 @@
+package ru.soune.nocopy.exception;
+
+public class UserAlreadyExistsException extends RuntimeException {
+    public UserAlreadyExistsException(String message) {
+        super(message);
+    }
+}

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

@@ -0,0 +1,7 @@
+package ru.soune.nocopy.exception;
+
+public class UserNotFoundException extends RuntimeException {
+    public UserNotFoundException(String message) {
+        super(message);
+    }
+}

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

@@ -0,0 +1,86 @@
+package ru.soune.nocopy.handler;
+
+import lombok.AllArgsConstructor;
+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 ru.soune.nocopy.exception.*;
+
+import java.util.Map;
+
+@RestControllerAdvice
+@AllArgsConstructor
+public class GlobalExceptionHandler {
+
+    @ExceptionHandler(MethodArgumentNotValidException.class)
+    public ResponseEntity<?> handleValidationException(MethodArgumentNotValidException ex) {
+        String message = ex.getBindingResult().getFieldErrors().stream()
+                .map(DefaultMessageSourceResolvable::getDefaultMessage)
+                .findFirst()
+                .orElse("");
+
+        return ResponseEntity.badRequest()
+                .body(Map.of(
+                        "success", false,
+                        "message" ,message));
+    }
+
+    @ExceptionHandler(UserAlreadyExistsException.class)
+    @ResponseStatus(HttpStatus.CONFLICT)
+    public ResponseEntity<?> handleUserContainsException(UserAlreadyExistsException ex) {
+        return ResponseEntity.
+                badRequest()
+                .body(Map.of(
+                        "success", false,
+                        "message" ,ex.getMessage()
+                ));
+    }
+
+    @ExceptionHandler(UserNotFoundException.class)
+    @ResponseStatus(HttpStatus.NOT_FOUND)
+    public ResponseEntity<?> handleUserNotFoundException(UserNotFoundException ex) {
+        return ResponseEntity.
+                badRequest()
+                .body(Map.of(
+                        "success", false,
+                        "message" ,ex.getMessage()
+                ));
+    }
+
+    @ExceptionHandler(ContentNotFoundException.class)
+    @ResponseStatus(HttpStatus.NOT_FOUND)
+    public ResponseEntity<?> handleUserNotFoundException(ContentNotFoundException ex) {
+        return ResponseEntity.
+                badRequest()
+                .body(Map.of(
+                        "success", false,
+                        "message" ,ex.getMessage()
+                ));
+    }
+
+    @ExceptionHandler(NotValidationPasswordException.class)
+    @ResponseStatus(HttpStatus.FORBIDDEN)
+    public ResponseEntity<?> handleNotValidationPasswordException(NotValidationPasswordException ex) {
+        return ResponseEntity.
+                badRequest()
+                .body(Map.of(
+                        "success", false,
+                        "message" ,ex.getMessage()
+                ));
+    }
+
+    @ExceptionHandler(TokenNotFoundException.class)
+    @ResponseStatus(HttpStatus.NOT_FOUND)
+    public ResponseEntity<?> handleNotFoundTokenException(TokenNotFoundException ex) {
+        return ResponseEntity.
+                badRequest()
+                .body(Map.of(
+                        "success", false,
+                        "message" ,ex.getMessage()
+                ));
+    }
+}

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

@@ -0,0 +1,7 @@
+package ru.soune.nocopy.handler;
+
+import org.springframework.stereotype.Component;
+
+@Component
+public class JwtTokenProvider {
+}

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

@@ -0,0 +1,18 @@
+package ru.soune.nocopy.mapper;
+
+import org.mapstruct.Mapper;
+import org.mapstruct.MappingTarget;
+import org.mapstruct.NullValuePropertyMappingStrategy;
+import org.mapstruct.factory.Mappers;
+import ru.soune.nocopy.dto.UserContentUpdateRequest;
+import ru.soune.nocopy.entity.UserContent;
+
+@Mapper(componentModel = "spring",
+        nullValuePropertyMappingStrategy = NullValuePropertyMappingStrategy.IGNORE)
+public interface UserContentMapper {
+
+    UserContentMapper INSTANCE = Mappers.getMapper(UserContentMapper.class);
+
+
+    void updateEntityFromDto(UserContentUpdateRequest dto, @MappingTarget UserContent entity);
+}

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

@@ -0,0 +1,16 @@
+package ru.soune.nocopy.mapper;
+
+import org.mapstruct.Mapper;
+import org.mapstruct.NullValuePropertyMappingStrategy;
+import org.mapstruct.factory.Mappers;
+import ru.soune.nocopy.dto.UserDTO;
+import ru.soune.nocopy.entity.User;
+
+@Mapper(componentModel = "spring",
+        nullValuePropertyMappingStrategy = NullValuePropertyMappingStrategy.IGNORE)
+public interface UserMapper {
+
+    UserMapper INSTANCE = Mappers.getMapper(UserMapper.class);
+
+    UserDTO toDTO(User user);
+}

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

@@ -0,0 +1,14 @@
+package ru.soune.nocopy.repository;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+import ru.soune.nocopy.entity.AuthToken;
+
+import java.time.LocalDate;
+import java.util.Optional;
+
+@Repository
+public interface AuthTokenRepository extends JpaRepository<AuthToken, Long> {
+    Optional<AuthToken> findByTokenAndExpiresAtAfter(String token, LocalDate expiresAtAfter);
+    Optional<AuthToken> findByToken(String token);
+}

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

@@ -0,0 +1,30 @@
+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.FileUploadSession;
+import ru.soune.nocopy.entity.file.UploadStatus;
+
+import java.time.LocalDateTime;
+import java.util.List;
+import java.util.Set;
+
+@Repository
+public interface FileUploadSessionRepository extends JpaRepository<FileUploadSession, String> {
+
+    List<FileUploadSession> findByUserId(Long userId);
+
+    List<FileUploadSession> findByStatus(UploadStatus status);
+
+    @Query("SELECT s FROM FileUploadSession s WHERE s.status IN :statuses AND s.createdAt < :threshold")
+    List<FileUploadSession> findByStatusInAndCreatedAtBefore(
+            @Param("statuses") Set<UploadStatus> statuses,
+            @Param("threshold") LocalDateTime threshold);
+
+    @Query("SELECT s FROM FileUploadSession s WHERE s.expiresAt < :now AND s.status IN :statuses")
+    List<FileUploadSession> findExpiredSessions(
+            @Param("now") LocalDateTime now,
+            @Param("statuses") Set<UploadStatus> statuses);
+}

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

@@ -0,0 +1,20 @@
+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.UserContent;
+
+import java.util.List;
+
+public interface UserContentRepository extends JpaRepository<UserContent, Long> {
+    List<UserContent> findByUserIdOrderByUploadDateDesc(Long userId);
+
+    List<UserContent> findByUserId(Long userId);
+
+    List<UserContent> findByUserIdAndFileTypeOrderByUploadDateDesc(Long userId, FileType type, Pageable pageable);
+
+    long countByUserIdAndFileType(Long userId, FileType type);
+
+    long countByUserId(Long userId);
+}

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

@@ -0,0 +1,11 @@
+package ru.soune.nocopy.repository;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import ru.soune.nocopy.entity.User;
+
+import java.util.Optional;
+
+public interface UserRepository extends JpaRepository<User, Long> {
+    Optional<User> findByEmail(String email);
+    boolean existsByEmail(String email);
+}

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

@@ -0,0 +1,100 @@
+package ru.soune.nocopy.service;
+
+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.LoginRequest;
+import ru.soune.nocopy.dto.RegisterRequest;
+import ru.soune.nocopy.entity.AuthToken;
+import ru.soune.nocopy.entity.User;
+import ru.soune.nocopy.exception.NotValidationPasswordException;
+import ru.soune.nocopy.exception.UserAlreadyExistsException;
+import ru.soune.nocopy.exception.UserNotFoundException;
+import ru.soune.nocopy.repository.AuthTokenRepository;
+import ru.soune.nocopy.repository.UserRepository;
+
+import java.security.SecureRandom;
+import java.time.LocalDateTime;
+import java.util.Base64;
+import java.util.Optional;
+
+@Service
+@RequiredArgsConstructor
+public class AuthService {
+
+    private final UserRepository userRepository;
+
+    private final AuthTokenRepository authTokenRepository;
+
+    private final PasswordEncoder passwordEncoder;
+
+    private final MessageSource messageSource;
+
+    private final SecureRandom secureRandom = new SecureRandom();
+
+    @Transactional
+    public AuthToken register(RegisterRequest registerRequest) {
+        if (userRepository.existsByEmail(registerRequest.email())) {
+            throw new UserAlreadyExistsException("User already exists with email: " + registerRequest.email());
+        }
+
+        User user = new User();
+        user.setFullName(registerRequest.fullName());
+        user.setEmail(registerRequest.email());
+        user.setPassword(passwordEncoder.encode(registerRequest.password()));
+
+        if (registerRequest.companyName() != null) {
+            user.setCompany(registerRequest.companyName());
+        }
+
+        if (registerRequest.phone() != null) {
+            user.setPhone(registerRequest.phone());
+        }
+
+        User savedUser = userRepository.save(user);
+
+        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());
+
+        if (userOpt.isEmpty()) {
+            throw new UserNotFoundException("User with email " + request.getEmail() + " not found");
+        }
+
+        User user = userOpt.get();
+
+        if (!passwordEncoder.matches(request.getPassword(), user.getPassword())) {
+            throw new NotValidationPasswordException("Invalid password");
+        }
+
+        user.setLastLoginAt(LocalDateTime.now());
+        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);
+    }
+
+    private String generateAuthToken() {
+        byte[] bytes = new byte[32];
+        secureRandom.nextBytes(bytes);
+        return Base64.getUrlEncoder().withoutPadding().encodeToString(bytes);
+    }
+}

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

@@ -0,0 +1,86 @@
+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.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;
+
+@Service
+@AllArgsConstructor
+public class UserService {
+
+    private final UserRepository userRepository;
+
+    private final PasswordEncoder passwordEncoder;
+
+    @Transactional
+    public User changePassword(User user, ChangePasswordRequest request) {
+        if (!passwordEncoder.matches(request.getCurrentPassword(), user.getPassword())) {
+            throw new NotValidationPasswordException("Current password is incorrect");
+        }
+
+        user.setPassword(passwordEncoder.encode(request.getNewPassword()));
+
+        return userRepository.save(user);
+    }
+
+    @Transactional
+    public UserDTO updateUser(UserRequest userRequest, User currentUser) {
+        User user = userRepository.findById(currentUser.getId())
+                .orElseThrow(() -> new UserNotFoundException("User not found with id: " + currentUser.getId()));
+
+        updateUserFromRequest(user, userRequest);
+
+        User updatedUser = userRepository.save(user);
+
+        return mapToDTO(updatedUser);
+    }
+
+    private void updateUserFromRequest(User user, UserRequest request) {
+        if (request.getFullName() != null) {
+            user.setFullName(request.getFullName());
+        }
+
+        if (request.getCompany() != null) {
+            user.setCompany(request.getCompany());
+        }
+
+        if (request.getEmail() != null && !request.getEmail().equals(user.getEmail())) {
+            if (userRepository.existsByEmail(request.getEmail())) {
+                throw new InvalidUserEmail("Email already exists: " + request.getEmail());
+            }
+            user.setEmail(request.getEmail());
+        }
+
+        if (request.getPhone() != null) {
+            user.setPhone(request.getPhone());
+        }
+        if (request.getGenderType() != null) {
+            user.setGenderType(request.getGenderType());
+        }
+        if (request.getBirthday() != null) {
+            user.setBirthday(request.getBirthday());
+        }
+    }
+
+    private UserDTO mapToDTO(User user) {
+        return UserDTO.builder()
+                .fullName(user.getFullName())
+                .email(user.getEmail())
+                .company(user.getCompany())
+                .phone(user.getPhone())
+                .genderType(user.getGenderType())
+                .birthday(user.getBirthday())
+                .subscriptionType(user.getSubscriptionType())
+                .createdAt(user.getCreatedAt())
+                .build();
+    }
+}

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

@@ -0,0 +1,80 @@
+package ru.soune.nocopy.service.file;
+
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.scheduling.annotation.Scheduled;
+import org.springframework.stereotype.Component;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+
+import java.io.IOException;
+import java.nio.file.*;
+import java.nio.file.attribute.BasicFileAttributes;
+import java.time.Instant;
+import java.time.LocalDateTime;
+import java.time.ZoneId;
+
+@Slf4j
+@Component
+@RequiredArgsConstructor
+public class FileCleanupService {
+
+    @Value("${file.storage.base-path}")
+    private String basePath;
+
+    @Value("${file.storage.temp-ttl-hours}")
+    private int tempTtlHours;
+
+    @Scheduled(cron = "0 0 3 * * *")
+    public void cleanupExpiredFiles() {
+        log.info("Starting cleanup of expired temporary files");
+
+        Path tempDir = Paths.get(basePath, "temp");
+        if (!Files.exists(tempDir)) {
+            return;
+        }
+
+        try {
+            Files.walkFileTree(tempDir, new SimpleFileVisitor<Path>() {
+                @Override
+                public FileVisitResult visitFile(Path file, BasicFileAttributes attrs)
+                        throws IOException {
+
+                    LocalDateTime fileTime = LocalDateTime.ofInstant(
+                            Instant.ofEpochMilli(attrs.lastModifiedTime().toMillis()),
+                            ZoneId.systemDefault()
+                    );
+
+                    LocalDateTime cutoffTime = LocalDateTime.now()
+                            .minusHours(tempTtlHours);
+
+                    if (fileTime.isBefore(cutoffTime)) {
+                        Files.delete(file);
+                        log.debug("Deleted expired file: {}", file);
+                    }
+
+                    return FileVisitResult.CONTINUE;
+                }
+
+                @Override
+                public FileVisitResult postVisitDirectory(Path dir, IOException exc)
+                        throws IOException {
+
+                    if (exc == null) {
+                        if (Files.list(dir).count() == 0 &&
+                                !dir.equals(tempDir)) {
+                            Files.delete(dir);
+                            log.debug("Deleted empty directory: {}", dir);
+                        }
+                    }
+
+                    return FileVisitResult.CONTINUE;
+                }
+            });
+
+            log.info("Cleanup completed successfully");
+
+        } catch (IOException e) {
+            log.error("Error during cleanup", e);
+        }
+    }
+}

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

@@ -0,0 +1,23 @@
+package ru.soune.nocopy.service.file;
+
+import org.springframework.web.multipart.MultipartFile;
+import ru.soune.nocopy.dto.file.UploadProgressResponse;
+import ru.soune.nocopy.entity.file.FileUploadSession;
+
+import java.io.IOException;
+
+public interface FileUploadService {
+    FileUploadSession initUpload(Long userId, String fileName,
+                                 String fileType, String extension, long fileSize);
+
+    UploadProgressResponse uploadChunk(String uploadId, Integer chunkNumber,
+                                       MultipartFile chunkFile) throws IOException;
+
+    UploadProgressResponse getUploadProgress(String uploadId);
+
+    void cleanupExpiredSessions();
+
+    public void retryFailedUpload(String uploadId);
+
+    public void cancelUpload(String uploadId);
+}

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

@@ -0,0 +1,667 @@
+package ru.soune.nocopy.service.file;
+
+import jakarta.annotation.PostConstruct;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.scheduling.annotation.Async;
+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.FileUploadSession;
+import ru.soune.nocopy.entity.file.UploadStatus;
+import ru.soune.nocopy.exception.ChunkSizeExceededException;
+import ru.soune.nocopy.exception.FileUploadException;
+import ru.soune.nocopy.exception.UploadSessionNotFoundException;
+import ru.soune.nocopy.repository.FileUploadSessionRepository;
+
+import java.io.*;
+import java.nio.file.*;
+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.concurrent.CompletableFuture;
+import java.util.stream.Stream;
+
+@Slf4j
+@Service
+@RequiredArgsConstructor
+public class FileUploadServiceImpl implements FileUploadService {
+
+    private final FileUploadSessionRepository sessionRepository;
+
+    @Value("${file.storage.base-path}")
+    private String basePath;
+
+    @Value("${file.storage.chunk-size}")
+    private int chunkSize;
+
+    @Value("${file.storage.max-file-size}")
+    private long maxFileSize;
+
+    @Value("${file.storage.max-retry-attempts:3}")
+    private int maxRetryAttempts;
+
+    @Value("${file.storage.chunk-timeout-ms:300000}") // 5 минут
+    private long chunkTimeoutMs;
+
+    @Value("${file.storage.session-expiry-hours:24}")
+    private int sessionExpiryHours;
+
+    private Path storageRoot;
+
+    @PostConstruct
+    public void init() {
+        try {
+            storageRoot = Paths.get(basePath).toAbsolutePath().normalize();
+            log.info("Initializing file storage at: {}", storageRoot);
+
+            createDirectoryIfNotExists(storageRoot);
+            createDirectoryIfNotExists(storageRoot.resolve("temp"));
+            createDirectoryIfNotExists(storageRoot.resolve("uploads"));
+
+            if (!System.getProperty("os.name").toLowerCase().contains("win")) {
+                setDirectoryPermissions(storageRoot);
+            }
+
+            log.info("File storage initialized successfully");
+
+        } catch (IOException e) {
+            log.error("Failed to initialize file storage at: {}", basePath, e);
+            throw new RuntimeException("Storage initialization failed", e);
+        }
+    }
+
+    @Override
+    @Transactional
+    public FileUploadSession initUpload(Long userId, String fileName,
+                                        String fileType, String extension, long fileSize) {
+        log.info("Initializing upload for user {}: {} ({} bytes, type: {})",
+                userId, fileName, fileSize, fileType);
+
+        if (fileSize > maxFileSize) {
+            throw new FileUploadException(
+                    String.format("File size %d exceeds maximum allowed size %d",
+                            fileSize, maxFileSize));
+        }
+
+        if (fileSize <= 0) {
+            throw new FileUploadException("File size must be positive");
+        }
+
+        int totalChunks = (int) Math.ceil((double) fileSize / chunkSize);
+        log.debug("File will be split into {} chunks (chunk size: {} bytes)",
+                totalChunks, chunkSize);
+
+        FileUploadSession session = FileUploadSession.builder()
+                .userId(userId)
+                .extension(extension)
+                .fileName(fileName)
+                .fileType(fileType)
+                .fileSize(fileSize)
+                .totalChunks(totalChunks)
+                .chunksUploaded(0)
+                .status(UploadStatus.INITIATED)
+                .expiresAt(LocalDateTime.now().plusHours(sessionExpiryHours))
+                .retryCount(0)
+                .build();
+
+        FileUploadSession savedSession = sessionRepository.save(session);
+        log.info("Upload session created: {} for file: {}",
+                savedSession.getUploadId(), fileName);
+
+        return savedSession;
+    }
+
+    @Override
+    @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));
+
+        validateSession(session);
+
+        if (session.getExpiresAt().isBefore(LocalDateTime.now())) {
+            handleExpiredSession(session);
+            throw new FileUploadException("Upload session expired");
+        }
+
+        if (chunkNumber < 0 || chunkNumber >= session.getTotalChunks()) {
+            throw new FileUploadException(
+                    String.format("Invalid chunk number %d. Expected 0-%d",
+                            chunkNumber, session.getTotalChunks() - 1));
+        }
+
+        if (chunkFile.getSize() > chunkSize) {
+            throw new ChunkSizeExceededException(chunkFile.getSize(), chunkSize);
+        }
+
+        return processChunk(session, chunkNumber, chunkFile);
+    }
+
+    private void validateSession(FileUploadSession session) {
+        UploadStatus status = session.getStatus();
+
+        if (status == UploadStatus.FAILED) {
+            if (session.getRetryCount() >= maxRetryAttempts) {
+                throw new FileUploadException(
+                        "Upload failed after maximum retry attempts");
+            }
+            session.setStatus(UploadStatus.UPLOADING);
+            session.setRetryCount(session.getRetryCount() + 1);
+            sessionRepository.save(session);
+            log.info("Retrying failed upload session: {}, attempt: {}",
+                    session.getUploadId(), session.getRetryCount());
+        }
+
+        if (status == UploadStatus.COMPLETED) {
+            throw new FileUploadException("Upload already completed");
+        }
+
+        if (status == UploadStatus.CANCELLED) {
+            throw new FileUploadException("Upload was cancelled");
+        }
+
+        if (status == UploadStatus.INITIATED) {
+            session.setStatus(UploadStatus.UPLOADING);
+            sessionRepository.save(session);
+        }
+    }
+
+    private void handleExpiredSession(FileUploadSession session) {
+        session.setStatus(UploadStatus.FAILED);
+        session.setLastError("Upload session expired");
+        sessionRepository.save(session);
+
+        CompletableFuture.runAsync(() -> cleanupSessionFiles(session));
+    }
+
+    private UploadProgressResponse processChunk(FileUploadSession session,
+                                                Integer chunkNumber,
+                                                MultipartFile chunkFile) {
+        String chunkPath = null;
+
+        try {
+            if (session.getChunkPaths().containsKey(chunkNumber)) {
+                return handleExistingChunk(session, chunkNumber, chunkFile);
+            }
+
+            chunkPath = saveChunkWithIntegrityCheck(session, chunkNumber, chunkFile);
+
+            session.getChunkPaths().put(chunkNumber, chunkPath);
+            session.setChunksUploaded(session.getChunksUploaded() + 1);
+            session.setStatus(UploadStatus.UPLOADING);
+
+            log.debug("Chunk {} saved successfully. Uploaded: {}/{}",
+                    chunkNumber, session.getChunksUploaded(), session.getTotalChunks());
+
+            if (session.getChunksUploaded().equals(session.getTotalChunks())) {
+                log.info("All chunks uploaded for session {}. Starting assembly...",
+                        session.getUploadId());
+                sessionRepository.save(session);
+                assembleFileAsync(session);
+            } else {
+                sessionRepository.save(session);
+            }
+
+            return UploadProgressResponse.fromSession(session);
+
+        } catch (Exception e) {
+            if (chunkPath != null) {
+                cleanupFailedChunk(chunkPath);
+            }
+
+            log.error("Failed to process chunk {} for session {}: {}",
+                    chunkNumber, session.getUploadId(), e.getMessage(), e);
+
+            session.setStatus(UploadStatus.FAILED);
+            session.setLastError(e.getMessage());
+            sessionRepository.save(session);
+
+            throw new FileUploadException("Failed to upload chunk: " + e.getMessage(), e);
+        }
+    }
+
+    private UploadProgressResponse handleExistingChunk(FileUploadSession session,
+                                                       Integer chunkNumber,
+                                                       MultipartFile chunkFile) throws IOException {
+        String existingPath = session.getChunkPaths().get(chunkNumber);
+        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);
+    }
+
+    private String saveChunkWithIntegrityCheck(FileUploadSession session,
+                                               Integer chunkNumber,
+                                               MultipartFile chunkFile) throws IOException {
+
+        Long userId = session.getUserId();
+        String uploadId = session.getUploadId();
+
+        Path chunkDir = getChunkDirectory(userId, uploadId);
+        Files.createDirectories(chunkDir);
+
+        String tempFileName = String.format("chunk_%04d.%s.tmp",
+                chunkNumber, UUID.randomUUID());
+        String finalFileName = String.format("chunk_%04d.tmp", chunkNumber);
+
+        Path tempPath = chunkDir.resolve(tempFileName);
+        Path finalPath = chunkDir.resolve(finalFileName);
+
+        try {
+            chunkFile.transferTo(tempPath.toFile());
+
+            long savedSize = Files.size(tempPath);
+            long uploadedSize = chunkFile.getSize();
+
+            if (uploadedSize > 0 && savedSize != uploadedSize) {
+                throw new IOException(
+                        String.format("Size mismatch: saved %d, uploaded %d",
+                                savedSize, uploadedSize));
+            }
+
+            Files.move(tempPath, finalPath, StandardCopyOption.ATOMIC_MOVE);
+
+            log.debug("Chunk {} saved successfully: {} bytes",
+                    chunkNumber, savedSize);
+
+            return finalPath.toString();
+
+        } finally {
+            Files.deleteIfExists(tempPath);
+        }
+    }
+
+    private void cleanupFailedChunk(String chunkPath) {
+        try {
+            Files.deleteIfExists(Paths.get(chunkPath));
+            log.debug("Cleaned up failed chunk: {}", chunkPath);
+        } catch (IOException e) {
+            log.warn("Failed to cleanup chunk: {}", chunkPath, e);
+        }
+    }
+
+    @Async("fileUploadTaskExecutor")
+    @Transactional
+    public void assembleFileAsync(FileUploadSession session) {
+        try {
+            assembleFile(session);
+            log.info("File assembly completed successfully for session: {}",
+                    session.getUploadId());
+
+        } catch (Exception e) {
+            log.error("Failed to assemble file for session {}: {}",
+                    session.getUploadId(), e.getMessage(), e);
+
+            handleAssemblyFailure(session, e);
+        }
+    }
+
+    private void assembleFile(FileUploadSession session) throws IOException {
+        log.info("Starting file assembly for session: {} ({})",
+                session.getUploadId(), session.getFileName());
+
+        Path finalFilePath = null;
+
+        try {
+            finalFilePath = prepareFinalFile(session);
+
+            validateAllChunksExist(session);
+
+            mergeChunksToFile(session, finalFilePath);
+
+            validateFinalFile(session, finalFilePath);
+
+            updateSessionOnSuccess(session, finalFilePath);
+
+            cleanupSessionFiles(session);
+
+            log.info("File assembly completed: {} -> {} ({} bytes)",
+                    session.getFileName(), finalFilePath, session.getFileSize());
+
+        } catch (Exception e) {
+            if (finalFilePath != null) {
+                Files.deleteIfExists(finalFilePath);
+            }
+            throw e;
+        }
+    }
+
+    private Path prepareFinalFile(FileUploadSession session) throws IOException {
+        Path userUploadsDir = storageRoot.resolve("uploads")
+                .resolve(String.valueOf(session.getUserId()))
+                .resolve(extractCategory(session.getFileType()));
+
+        Files.createDirectories(userUploadsDir);
+
+        String safeFileName = generateUniqueFileName(session.getFileName(), session.getExtension());
+        Path finalPath = userUploadsDir.resolve(safeFileName);
+
+        if (Files.exists(finalPath)) {
+            throw new IOException("File already exists: " + finalPath);
+        }
+
+        return finalPath;
+    }
+
+    private String generateUniqueFileName(String originalName, String extension) {
+        int dotIndex = originalName.lastIndexOf('.');
+        log.info("dotIndex: {}", dotIndex);
+        log.info("originalName: {}", originalName);
+        String nameWithoutExtension;
+
+        if (dotIndex > 0) {
+            nameWithoutExtension = originalName.substring(0, dotIndex)
+                    .replaceAll("[^a-zA-Z0-9\\-_]", "_");
+        } else {
+            nameWithoutExtension = originalName.replaceAll("[^a-zA-Z0-9\\-_]", "_");
+        }
+
+        String timestamp = String.valueOf(System.currentTimeMillis());
+        String uuid = UUID.randomUUID().toString().substring(0, 8);
+
+        return String.format("%s_%s_%s.%s",
+                nameWithoutExtension, timestamp, uuid, extension);
+    }
+
+    private void validateAllChunksExist(FileUploadSession session) throws IOException {
+        Path chunkDir = getChunkDirectory(session.getUserId(), session.getUploadId());
+
+        for (int i = 0; i < session.getTotalChunks(); i++) {
+            Path chunkPath = chunkDir.resolve(String.format("chunk_%04d.tmp", i));
+            if (!Files.exists(chunkPath)) {
+                throw new IOException("Missing chunk: " + chunkPath.getFileName());
+            }
+
+            if (Files.size(chunkPath) == 0) {
+                throw new IOException("Empty chunk: " + chunkPath.getFileName());
+            }
+        }
+    }
+
+    private void mergeChunksToFile(FileUploadSession session, Path finalPath)
+            throws IOException {
+
+        Path chunkDir = getChunkDirectory(session.getUserId(), session.getUploadId());
+        byte[] buffer = new byte[8192];
+
+        try (BufferedOutputStream outputStream = new BufferedOutputStream(
+                Files.newOutputStream(finalPath, StandardOpenOption.CREATE_NEW))) {
+
+            long totalWritten = 0;
+
+            for (int i = 0; i < session.getTotalChunks(); i++) {
+                Path chunkPath = chunkDir.resolve(String.format("chunk_%04d.tmp", i));
+
+                try (BufferedInputStream inputStream = new BufferedInputStream(
+                        Files.newInputStream(chunkPath))) {
+
+                    int bytesRead;
+                    while ((bytesRead = inputStream.read(buffer)) != -1) {
+                        outputStream.write(buffer, 0, bytesRead);
+                        totalWritten += bytesRead;
+                    }
+                }
+
+                if (log.isDebugEnabled()) {
+                    log.debug("Processed chunk {}: {} bytes (total: {})",
+                            i, Files.size(chunkPath), totalWritten);
+                }
+            }
+
+            outputStream.flush();
+            log.info("Total bytes written to final file: {}", totalWritten);
+        }
+    }
+
+    private void validateFinalFile(FileUploadSession session, Path finalPath)
+            throws IOException {
+
+        long actualSize = Files.size(finalPath);
+
+        if (actualSize != session.getFileSize()) {
+            throw new IOException(
+                    String.format("File size mismatch: expected %d, got %d",
+                            session.getFileSize(), actualSize));
+        }
+
+        String checksum = calculateChecksum(finalPath);
+        log.debug("Final file checksum: {}", checksum);
+    }
+
+    private void updateSessionOnSuccess(FileUploadSession session, Path finalPath) {
+        session.setFilePath(finalPath.toString());
+        session.setChecksum(calculateChecksum(finalPath));
+        session.setStatus(UploadStatus.COMPLETED);
+        session.setCompletedAt(LocalDateTime.now());
+        sessionRepository.save(session);
+    }
+
+    private void cleanupSessionFiles(FileUploadSession session) {
+        try {
+            Path chunkDir = getChunkDirectory(session.getUserId(), session.getUploadId());
+            if (Files.exists(chunkDir)) {
+                deleteDirectoryRecursively(chunkDir);
+                log.info("Cleaned up temp directory for session: {}",
+                        session.getUploadId());
+            }
+        } catch (IOException e) {
+            log.warn("Failed to cleanup temp files for session {}: {}",
+                    session.getUploadId(), e.getMessage());
+        }
+    }
+
+    private void deleteDirectoryRecursively(Path directory) throws IOException {
+        try (Stream<Path> walk = Files.walk(directory)) {
+            walk.sorted(Comparator.reverseOrder())
+                    .forEach(path -> {
+                        try {
+                            Files.deleteIfExists(path);
+                        } catch (IOException e) {
+                            log.warn("Failed to delete: {}", path, e);
+                        }
+                    });
+        }
+    }
+
+    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 cancelUpload(String uploadId) {
+        FileUploadSession session = sessionRepository.findById(uploadId)
+                .orElseThrow(() -> new UploadSessionNotFoundException(uploadId));
+
+        if (session.getStatus() == UploadStatus.COMPLETED) {
+            throw new FileUploadException("Cannot cancel completed upload");
+        }
+
+        session.setStatus(UploadStatus.CANCELLED);
+        sessionRepository.save(session);
+
+        CompletableFuture.runAsync(() -> cleanupSessionFiles(session));
+
+        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)
+                .orElseThrow(() -> new UploadSessionNotFoundException(uploadId));
+
+        return UploadProgressResponse.fromSession(session);
+    }
+
+    @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")
+                .resolve(String.valueOf(userId))
+                .resolve(uploadId);
+    }
+
+    private String extractCategory(String fileType) {
+        if (fileType == null) {
+            return "other";
+        }
+
+        String lowerType = fileType.toLowerCase();
+        if (lowerType.startsWith("image")) {
+            return "images";
+        } else if (lowerType.startsWith("video")) {
+            return "videos";
+        } else if (lowerType.startsWith("audio")) {
+            return "audio";
+        } else if (lowerType.contains("document")) {
+            return "documents";
+        } else {
+            return "other";
+        }
+    }
+
+    private String calculateChecksum(Path filePath) {
+        try {
+            MessageDigest md = MessageDigest.getInstance("SHA-256");
+            byte[] buffer = new byte[8192];
+
+            try (InputStream inputStream = Files.newInputStream(filePath)) {
+                int bytesRead;
+                while ((bytesRead = inputStream.read(buffer)) != -1) {
+                    md.update(buffer, 0, bytesRead);
+                }
+            }
+
+            byte[] digest = md.digest();
+            StringBuilder sb = new StringBuilder();
+            for (byte b : digest) {
+                sb.append(String.format("%02x", b));
+            }
+
+            return sb.toString();
+
+        } catch (NoSuchAlgorithmException | IOException e) {
+            log.warn("Failed to calculate checksum for file: {}", filePath, e);
+            return "N/A";
+        }
+    }
+
+    private void createDirectoryIfNotExists(Path directory) throws IOException {
+        if (!Files.exists(directory)) {
+            Files.createDirectories(directory);
+            log.debug("Created directory: {}", directory);
+        }
+    }
+
+    private void setDirectoryPermissions(Path directory) throws IOException {
+        try {
+            Set<PosixFilePermission> permissions = new HashSet<>();
+            permissions.add(PosixFilePermission.OWNER_READ);
+            permissions.add(PosixFilePermission.OWNER_WRITE);
+            permissions.add(PosixFilePermission.OWNER_EXECUTE);
+            permissions.add(PosixFilePermission.GROUP_READ);
+            permissions.add(PosixFilePermission.GROUP_EXECUTE);
+            permissions.add(PosixFilePermission.OTHERS_READ);
+
+            Files.setPosixFilePermissions(directory, permissions);
+            log.debug("Set permissions for directory: {}", directory);
+
+        } catch (UnsupportedOperationException e) {
+            log.debug("Posix permissions not supported on this system");
+        }
+    }
+}