NCBACK-3

# Conflicts:
#	docker-compose.yaml
#	src/main/java/ru/soune/nocopy/dto/MessageCode.java

.gitea/workflows/job.yaml

@@ -0,0 +1,17 @@
+name: Test Workflow
+
+on:
+  push:
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Print environment variables
+        run: |
+          echo "GITHUB_REPOSITORY: $GITHUB_REPOSITORY"  
+          echo "GITHUB_SHA: $GITHUB_SHA"  
+          echo "GITHUB_REF: $GITHUB_REF"  
+          echo "GITHUB_ACTOR: $GITHUB_ACTOR"  
+          echo "PATH: $PATH"

Dockerfile

@@ -12,6 +12,8 @@ WORKDIR /app
 
 COPY --from=build /app/build/libs/*.jar app.jar
 
+RUN mkdir -p /data/uploads && chmod 755 /data/uploads
+
 EXPOSE 8080
 
 CMD ["java", "-jar", "app.jar"]

build.gradle

@@ -29,13 +29,23 @@ dependencies {
 	implementation 'org.springframework.boot:spring-boot-starter-web'
 	implementation 'org.springframework.security:spring-security-crypto:6.5.3'
 	implementation 'org.mapstruct:mapstruct:1.5.5.Final'
+	implementation 'commons-validator:commons-validator:1.7'
+
+	implementation 'com.fasterxml.jackson.dataformat:jackson-dataformat-xml:2.17.0'
+	implementation 'tools.jackson.core:jackson-core:3.0.3'
+	implementation 'jakarta.xml.bind:jakarta.xml.bind-api:4.0.0'
+
 	annotationProcessor 'org.mapstruct:mapstruct-processor:1.5.5.Final'
+	annotationProcessor 'org.projectlombok:lombok'
+
 	compileOnly 'org.projectlombok:lombok'
+
 	developmentOnly 'org.springframework.boot:spring-boot-devtools'
+
 	runtimeOnly 'com.microsoft.sqlserver:mssql-jdbc'
 	runtimeOnly 'com.mysql:mysql-connector-j'
 	runtimeOnly 'org.postgresql:postgresql'
-	annotationProcessor 'org.projectlombok:lombok'
+
 	testImplementation 'org.springframework.boot:spring-boot-starter-test'
 	testImplementation 'org.mockito:mockito-core:5.3.1'
 	testRuntimeOnly 'org.junit.platform:junit-platform-launcher'

docker-compose.yaml

@@ -1,13 +1,39 @@
 version: '3.9'
 
 services:
+  storage:
+    image: alpine:latest
+    container_name: file-storage
+    deploy:
+      resources:
+        limits:
+          memory: 128M
+        reservations:
+          memory: 64M
+    networks:
+      - app-network
+    volumes:
+      - uploads_data:/storage:rw
+    command: tail -f /dev/null
+    restart: unless-stopped
+
   db:
     image: postgres:17
     restart: always
+    deploy:
+      resources:
+        limits:
+          cpus: '2.0'
+          memory: 2G
+        reservations:
+          cpus: '1.0'
+          memory: 1G
     environment:
       POSTGRES_DB: no_copy_
       POSTGRES_USER: postgres
       POSTGRES_PASSWORD: postgres
+      POSTGRES_SHARED_BUFFERS: 512MB
+      POSTGRES_EFFECTIVE_CACHE_SIZE: 1536MB
     ports:
       - "54320:5432"
     volumes:
@@ -21,12 +47,29 @@ services:
   app:
     build: .
     container_name: app-backend
+    deploy:
+      resources:
+        limits:
+          cpus: '1.5'
+          memory: 1G
+        reservations:
+          cpus: '0.5'
+          memory: 512M
     environment:
+      FILE_STORAGE_PATH: /data/uploads
+      MAX_FILE_SIZE: 10737418240
+#      FILE_CHUNK_SIZE: 1048576
+      FILE_CHUNK_SIZE: 1000000
       POSTGRES_DB: no_copy_
       POSTGRES_USER: postgres
       POSTGRES_PASSWORD: postgres
       POSTGRES_PORT: 5432
       POSTGRES_HOST: db
+      YANDEX_API_KEY: AQVNyaVaUmgUb1GMCtf5zSEqFxy0woXrcMOOB43q
+      YANDEX_FOLDER_ID: b1gokpdbm6qfpsou8pcd
+      YANDEX_SEARCH_URL: "https://searchapi.api.cloud.yandex.net/v2/image/search_by_image"
+      STORAGE_SERVICE_URL: http://storage:8081
+      SPRING_PROFILES_ACTIVE: docker
     depends_on:
       - db
     ports:
@@ -37,10 +80,19 @@ services:
           - app
           - backend
           - api
+    volumes:
+      - uploads_data:/data/uploads:rw
 
   grafana:
     image: grafana/grafana:10.3.1
     container_name: grafana
+    deploy:
+      resources:
+        limits:
+          cpus: '0.5'
+          memory: 512M
+        reservations:
+          memory: 256M
     ports:
       - "3000:3000"
     depends_on:
@@ -57,6 +109,8 @@ services:
       GF_SECURITY_ADMIN_USER: admin
       GF_SECURITY_ADMIN_PASSWORD: admin
       GF_METRICS_ENABLED: "true"
+      GF_DATABASE_MAX_IDLE_CONN: "2"
+      GF_DATABASE_MAX_OPEN_CONN: "10"
     volumes:
       - ./infrastructure/grafana/provisioning:/etc/grafana/provisioning
       - ./infrastructure/grafana/dashboards:/var/lib/grafana/dashboards
@@ -71,10 +125,23 @@ services:
   prometheus:
     image: prom/prometheus:latest
     container_name: prometheus
+    deploy:
+      resources:
+        limits:
+          cpus: '0.5'
+          memory: 1G
+        reservations:
+          memory: 512M
     ports:
       - "9090:9090"
     volumes:
       - ./infrastructure/prometheus/prometheus.yml:/etc/prometheus/prometheus.yml
+      - prometheus_data:/prometheus
+    command:
+      - '--config.file=/etc/prometheus/prometheus.yml'
+      - '--storage.tsdb.path=/prometheus'
+      - '--storage.tsdb.retention.time=15d'  # Удерживать 15 дней
+      - '--web.enable-lifecycle'
     healthcheck:
       test: [ "CMD", "wget", "--spider", "http://localhost:9090/-/healthy" ]
       interval: 10s
@@ -86,10 +153,20 @@ services:
   loki:
     image: grafana/loki:2.9.2
     container_name: loki
+    deploy:
+      resources:
+        limits:
+          cpus: '1.0'
+          memory: 2G
+        reservations:
+          memory: 1G
     ports:
       - "3100:3100"
     volumes:
       - ./infrastructure/loki/loki-config.yaml:/etc/loki/loki-config.yaml:ro
+      - loki_data:/loki
+    command:
+      - -config.file=/etc/loki/loki-config.yaml
     healthcheck:
       test: [ "CMD", "wget", "--spider", "-q", "http://localhost:3100/ready" ]
       interval: 10s
@@ -101,6 +178,13 @@ services:
   tempo:
     image: grafana/tempo:2.4.1
     container_name: tempo
+    deploy:
+      resources:
+        limits:
+          cpus: '0.5'
+          memory: 512M
+        reservations:
+          memory: 256M
     command: [ "-config.file=/etc/tempo/tempo.yaml" ]
     volumes:
       - ./infrastructure/tempo/tempo.yaml:/etc/tempo/tempo.yaml
@@ -113,6 +197,13 @@ services:
   alloy:
     image: grafana/alloy:latest
     container_name: alloy
+    deploy:
+      resources:
+        limits:
+          cpus: '0.5'
+          memory: 256M
+        reservations:
+          memory: 128M
     user: root
     ports:
       - "9080:9080"
@@ -141,6 +232,8 @@ volumes:
   loki_chunks:
   loki_index:
   loki_rules:
+  uploads_data:
+  prometheus_data:
 
 networks:
   app-network:

infrastructure/jenkins/deploy-front.groovy

@@ -96,7 +96,7 @@ pipeline {
                                 elif [ -f 'docker-compose.yml' ]; then
                                     docker-compose -f docker-compose.yml build
                                 else
-                                    echo 'Exception:don't found docker-compose'
+                                    echo 'Exception: docker-compose file not found'
                                     exit 1
                                 fi
                             "
@@ -120,6 +120,9 @@ pipeline {
                             sshpass -p '$SSH_PASS' ssh $SSH_USER@92.242.61.23 "
                                 cd /opt/deployments/frontend/${params.BRANCH}
                                 
+                                # Проверяем и подключаем к сети app-network если нужно
+                                docker network inspect app-network 2>/dev/null || echo 'Warning: app-network not found'
+                                
                                 if [ -f 'docker-compose.yaml' ]; then
                                     docker-compose -f docker-compose.yaml up -d
                                 elif [ -f 'docker-compose.yml' ]; then
@@ -150,16 +153,16 @@ pipeline {
                         sh """
                             sshpass -p '$SSH_PASS' ssh $SSH_USER@92.242.61.23 "
                                 if docker ps --format '{{.Names}}' | grep -q 'no-copy-frontend'; then
-                                    echo 'Container start'
+                                    echo 'Container started'
                                     
                                     sleep 5
                                     
                                     HTTP_CODE=\$(curl -s -o /dev/null -w '%{http_code}' http://localhost:2998 || echo '000')
-                                    echo 'HTTP код: ' \$HTTP_CODE
+                                    echo 'HTTP code: \$HTTP_CODE'
                                     
-                                    echo 'Frong start on http://92.242.61.23:2998'
+                                    echo 'Frontend available on http://92.242.61.23:2998'
                                 else
-                                    echo 'Exception: container don't start'
+                                    echo 'Exception: container did not start'
                                     docker ps -a | grep frontend
                                     exit 1
                                 fi
@@ -173,11 +176,11 @@ pipeline {
 
     post {
         success {
-            echo "Front branch ${params.BRANCH} completed"
+            echo "Front branch ${params.BRANCH} deployment completed"
-            echo "Use on http://92.242.61.23:2998"
+            echo "Frontend available on http://92.242.61.23:2998"
         }
         failure {
-            echo "Failed"
+            echo "Deployment failed"
         }
     }
 }

infrastructure/jenkins/deploy.groovy

@@ -7,7 +7,6 @@ pipeline {
                 defaultValue: 'dev',
                 description: 'Ветка для деплоя'
         )
-
         string(
                 name: 'SERVER',
                 defaultValue: '92.242.61.23',
@@ -31,7 +30,7 @@ pipeline {
             }
         }
 
-        stage('Stop old container') {
+        stage('Deploy with docker-compose') {
             steps {
                 script {
                     withCredentials([
@@ -42,162 +41,66 @@ pipeline {
                             )
                     ]) {
                         sh """
-                            echo "Stop old container by branch ${params.BRANCH}..."
+                            echo "Deploying branch: ${params.BRANCH}"
                             
-                            sshpass -p '$SSH_PASS' ssh $SSH_USER@$SERVER "
+                            echo "Copying files to server..."
-                                cd /opt/deployments/${params.BRANCH} 2>/dev/null || mkdir -p /opt/deployments/${params.BRANCH}
+                            sshpass -p '$SSH_PASS' ssh -o StrictHostKeyChecking=no $SSH_USER@$SERVER "mkdir -p /opt/deployments/${params.BRANCH}"
-                                
+                            sshpass -p '$SSH_PASS' scp -r -o StrictHostKeyChecking=no ./* $SSH_USER@$SERVER:/opt/deployments/${params.BRANCH}/
-                                # Stop old container if have docker-compose
-                                if [ -f 'docker-compose.yaml' ] || [ -f 'docker-compose.yml' ]; then
-                                    if [ -f 'docker-compose.yaml' ]; then
-                                        docker-compose -f docker-compose.yaml down 2>/dev/null || true
-                                    elif [ -f 'docker-compose.yml' ]; then
-                                        docker-compose -f docker-compose.yml down 2>/dev/null || true
-                                    fi
-                                fi
-                                
-                                # Stop and delete container by name
-                                docker stop app-${params.BRANCH} 2>/dev/null || true
-                                docker rm app-${params.BRANCH} 2>/dev/null || true
-                                
-                                echo "Old containder deleted"
-                            "
-                        """
-                    }
-                }
-            }
-        }
-
-        stage('Copy to server') {
-            steps {
-                script {
-                    withCredentials([
-                            usernamePassword(
-                                    credentialsId: 'server-root-password',
-                                    usernameVariable: 'SSH_USER',
-                                    passwordVariable: 'SSH_PASS'
-                            )
-                    ]) {
-                        sh """
-                            echo "Copy files on server..."
                             
-                            # Clean mkdir
+                            sshpass -p '$SSH_PASS' ssh -o StrictHostKeyChecking=no $SSH_USER@$SERVER "
-                            sshpass -p '$SSH_PASS' ssh $SSH_USER@$SERVER "
-                                rm -rf /opt/deployments/${params.BRANCH}/*
-                                mkdir -p /opt/deployments/${params.BRANCH}
-                            "
-                            
-                            # Copy all files
-                            sshpass -p '$SSH_PASS' scp -r ./* $SSH_USER@$SERVER:/opt/deployments/${params.BRANCH}/ 2>/dev/null || true
-                            
-                            echo "Files copied"
-                        """
-                    }
-                }
-            }
-        }
-
-        stage('Build on server') {
-            steps {
-                script {
-                    withCredentials([
-                            usernamePassword(
-                                    credentialsId: 'server-root-password',
-                                    usernameVariable: 'SSH_USER',
-                                    passwordVariable: 'SSH_PASS'
-                            )
-                    ]) {
-                        sh """
-                            echo "Build on server..."
-                            
-                            sshpass -p '$SSH_PASS' ssh $SSH_USER@$SERVER "
                                 cd /opt/deployments/${params.BRANCH}
                                 
-                                echo "Build Docker for branch ${params.BRANCH}..."
+                                echo '1. Остановка старого приложения...'
+                                docker stop app-backend 2>/dev/null || echo 'Контейнер не найден'
+                                docker rm app-backend 2>/dev/null || echo 'Контейнер не найден'
                                 
-                                # delete old docker image
+                                echo '2. Удаление старых образов...'
-                                docker rmi app:${params.BRANCH} 2>/dev/null || true
+                                docker images --filter 'reference=*app*' -q | xargs -r docker rmi -f 2>/dev/null || echo 'Нет образов для удаления'
                                 
-                                # build from branch
+                                echo '3. Создание сети если нужно...'
-                                if [ -f 'Dockerfile' ]; then
+                                docker network create app-network 2>/dev/null || echo 'Сеть уже существует'
-                                    docker build -t app:${params.BRANCH} .
-                                    echo "Docker образ app:${params.BRANCH} собран"
-                                fi
                                 
-                                # or from docker-compose
+                                echo '4. Запуск инфраструктуры...'
-                                if [ -f 'docker-compose.yaml' ]; then
+                                docker-compose up -d db storage
-                                    docker-compose -f docker-compose.yaml build
-                                    echo "Build from docker-compose.yaml completed"
-                                elif [ -f 'docker-compose.yml' ]; then
-                                    docker-compose -f docker-compose.yml build
-                                    echo "Build from docker-compose.yml completed"
-                                fi
                                 
-                                echo 'Build completed'
+                                echo '5. Ожидание PostgreSQL...'
-                            "
-                        """
-                    }
-                }
-            }
-        }
-
-        stage('Start on server') {
-            steps {
-                script {
-                    withCredentials([
-                            usernamePassword(
-                                    credentialsId: 'server-root-password',
-                                    usernameVariable: 'SSH_USER',
-                                    passwordVariable: 'SSH_PASS'
-                            )
-                    ]) {
-                        sh """
-                            echo "Start container..."
-                            
-                            sshpass -p '$SSH_PASS' ssh $SSH_USER@$SERVER "
-                                cd /opt/deployments/${params.BRANCH}
-                                
-                                # If have docker-compose - use them
-                                if [ -f 'docker-compose.yaml' ]; then
-                                    echo "Start docker-compose.yaml..."
-                                    docker-compose -f docker-compose.yaml up -d
-                                    
-                                elif [ -f 'docker-compose.yml' ]; then
-                                    echo "Start docker-compose.yml..."
-                                    docker-compose -f docker-compose.yml up -d
-                                    
-                                # If have Dockerfile - start
-                                elif [ -f 'Dockerfile' ]; then
-                                    echo "Start app-${params.BRANCH}..."
-                                    docker run -d \\
-                                      --name app-${params.BRANCH} \\
-                                      -p 8080:8080 \\
-                                      app:${params.BRANCH}
-                                else
-                                    echo "Error:Dockerfile NOT FOUND, docker-compose.yaml or docker-compose.yml"
-                                    exit 1
-                                fi
-                                
-                                echo 'Container start'
-                                
-                                # Wait start
                                 sleep 10
                                 
-                                # Check status
+                                echo '6. Сборка нового образа приложения...'
-                                echo 'status container:'
+                                docker build --no-cache -t app-backend:latest .
-                                if [ -f 'docker-compose.yaml' ] || [ -f 'docker-compose.yml' ]; then
-                                    if [ -f 'docker-compose.yaml' ]; then
-                                        docker-compose -f docker-compose.yaml ps
-                                    else
-                                        docker-compose -f docker-compose.yml ps
-                                    fi
-                                else
-                                    docker ps --filter "name=app-${params.BRANCH}"
-                                fi
                                 
-                                echo ''
+                                echo '7. Запуск приложения...'
-                                echo 'Apps start on:'
+                                docker run -d \\
-                                echo 'http://$SERVER:80'
+                                  --name app-backend \\
+                                  --network app-network \\
+                                  --network-alias app \\
+                                  -p 80:8080 \\
+                                  -v uploads_data:/data/uploads:rw \\
+                                  -e POSTGRES_DB=no_copy_ \\
+                                  -e POSTGRES_USER=postgres \\
+                                  -e POSTGRES_PASSWORD=postgres \\
+                                  -e POSTGRES_PORT=5432 \\
+                                  -e POSTGRES_HOST=db \\
+                                  --restart unless-stopped \\
+                                  app-backend:latest
+                                
+                                echo '8. Запуск мониторинга...'
+                                docker-compose up -d grafana prometheus loki tempo alloy
+                                
+                                echo '9. Проверка...'
+                                sleep 5
+                                
+                                echo 'Статус контейнеров:'
+                                docker ps --format 'table {{.Names}}\\t{{.Image}}\\t{{.Status}}'
+                                
+                                echo '10. Проверка health...'
+                                if curl -s -f http://localhost:80/health > /dev/null 2>&1; then
+                                    echo 'Приложение работает'
+                                    echo 'URL: http://${params.SERVER}:80'
+                                else
+                                    echo 'Проверка health не удалась'
+                                    docker logs app-backend --tail=20
+                                fi
                             "
                         """
                     }
@@ -208,11 +111,14 @@ pipeline {
 
     post {
         success {
-            echo "Deploy branch ${params.BRANCH} completed"
+            echo "Deployment successful"
-            echo "App : http://$SERVER:80"
+            echo "Application URL: http://${params.SERVER}:80"
         }
         failure {
-            echo "Deploy failed"
+            echo "Deployment failed for branch ${params.BRANCH}"
+        }
+        always {
+            echo "Deployment process finished"
         }
     }
 }

infrastructure/jenkins/dp-wtith-branch.groovy

@@ -0,0 +1,183 @@
+pipeline {
+    agent any
+
+    parameters {
+        string(
+                name: 'BRANCH',
+                defaultValue: 'main',
+                description: 'Ветка для деплоя'
+        )
+    }
+
+    stages {
+        stage('Git pull') {
+            steps {
+                script {
+                    checkout([
+                            $class: 'GitSCM',
+                            branches: [[name: params.BRANCH]],
+                            userRemoteConfigs: [[
+                                                        url: 'https://code.3err0.ru/frontdev/no-copy-frontend.git',
+                                                        credentialsId: 'nx-jen'
+                                                ]]
+                    ])
+                }
+            }
+        }
+
+        stage('Stop old') {
+            steps {
+                script {
+                    withCredentials([
+                            usernamePassword(
+                                    credentialsId: 'server-root-password',
+                                    usernameVariable: 'SSH_USER',
+                                    passwordVariable: 'SSH_PASS'
+                            )
+                    ]) {
+                        sh """
+                            sshpass -p '$SSH_PASS' ssh $SSH_USER@92.242.61.23 "
+                                docker stop no-copy-frontend 2>/dev/null || true
+                                docker rm no-copy-frontend 2>/dev/null || true
+                                
+                                cd /opt/deployments/frontend/${params.BRANCH} 2>/dev/null || mkdir -p /opt/deployments/frontend/${params.BRANCH}
+                                
+                                if [ -f 'docker-compose.yaml' ]; then
+                                    docker-compose -f docker-compose.yaml down 2>/dev/null || true
+                                elif [ -f 'docker-compose.yml' ]; then
+                                    docker-compose -f docker-compose.yml down 2>/dev/null || true
+                                fi
+                            "
+                        """
+                    }
+                }
+            }
+        }
+
+        stage('Copy to server') {
+            steps {
+                script {
+                    withCredentials([
+                            usernamePassword(
+                                    credentialsId: 'server-root-password',
+                                    usernameVariable: 'SSH_USER',
+                                    passwordVariable: 'SSH_PASS'
+                            )
+                    ]) {
+                        sh """
+                            sshpass -p '$SSH_PASS' ssh $SSH_USER@92.242.61.23 "
+                                rm -rf /opt/deployments/frontend/${params.BRANCH}/*
+                                mkdir -p /opt/deployments/frontend/${params.BRANCH}
+                            "
+                            
+                            sshpass -p '$SSH_PASS' scp -r ./* $SSH_USER@92.242.61.23:/opt/deployments/frontend/${params.BRANCH}/
+                        """
+                    }
+                }
+            }
+        }
+
+        stage('Build on server') {
+            steps {
+                script {
+                    withCredentials([
+                            usernamePassword(
+                                    credentialsId: 'server-root-password',
+                                    usernameVariable: 'SSH_USER',
+                                    passwordVariable: 'SSH_PASS'
+                            )
+                    ]) {
+                        sh """
+                            sshpass -p '$SSH_PASS' ssh $SSH_USER@92.242.61.23 "
+                                cd /opt/deployments/frontend/${params.BRANCH}
+                                
+                                if [ -f 'docker-compose.yaml' ]; then
+                                    docker-compose -f docker-compose.yaml build
+                                elif [ -f 'docker-compose.yml' ]; then
+                                    docker-compose -f docker-compose.yml build
+                                else
+                                    echo 'Exception:don't found docker-compose'
+                                    exit 1
+                                fi
+                            "
+                        """
+                    }
+                }
+            }
+        }
+
+        stage('Start on server') {
+            steps {
+                script {
+                    withCredentials([
+                            usernamePassword(
+                                    credentialsId: 'server-root-password',
+                                    usernameVariable: 'SSH_USER',
+                                    passwordVariable: 'SSH_PASS'
+                            )
+                    ]) {
+                        sh """
+                            sshpass -p '$SSH_PASS' ssh $SSH_USER@92.242.61.23 "
+                                cd /opt/deployments/frontend/${params.BRANCH}
+                                
+                                if [ -f 'docker-compose.yaml' ]; then
+                                    docker-compose -f docker-compose.yaml up -d
+                                elif [ -f 'docker-compose.yml' ]; then
+                                    docker-compose -f docker-compose.yml up -d
+                                fi
+                                
+                                sleep 10
+                                
+                                echo 'Status container:'
+                                docker ps --filter name=no-copy-frontend
+                            "
+                        """
+                    }
+                }
+            }
+        }
+
+        stage('Check status') {
+            steps {
+                script {
+                    withCredentials([
+                            usernamePassword(
+                                    credentialsId: 'server-root-password',
+                                    usernameVariable: 'SSH_USER',
+                                    passwordVariable: 'SSH_PASS'
+                            )
+                    ]) {
+                        sh """
+                            sshpass -p '$SSH_PASS' ssh $SSH_USER@92.242.61.23 "
+                                if docker ps --format '{{.Names}}' | grep -q 'no-copy-frontend'; then
+                                    echo 'Container start'
+                                    
+                                    sleep 5
+                                    
+                                    HTTP_CODE=\$(curl -s -o /dev/null -w '%{http_code}' http://localhost:2998 || echo '000')
+                                    echo 'HTTP код: ' \$HTTP_CODE
+                                    
+                                    echo 'Frong start on http://92.242.61.23:2998'
+                                else
+                                    echo 'Exception: container don't start'
+                                    docker ps -a | grep frontend
+                                    exit 1
+                                fi
+                            "
+                        """
+                    }
+                }
+            }
+        }
+    }
+
+    post {
+        success {
+            echo "Front branch ${params.BRANCH} completed"
+            echo "Use on http://92.242.61.23:2998"
+        }
+        failure {
+            echo "Failed"
+        }
+    }
+}

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

@@ -1,58 +0,0 @@
-package ru.soune.no_copy.controller;
-
-import jakarta.validation.Valid;
-import lombok.RequiredArgsConstructor;
-import org.springframework.http.ResponseEntity;
-import org.springframework.web.bind.annotation.*;
-import ru.soune.no_copy.dto.AuthResponse;
-import ru.soune.no_copy.dto.LoginRequest;
-import ru.soune.no_copy.dto.LoginResponse;
-import ru.soune.no_copy.dto.RegisterRequest;
-import ru.soune.no_copy.entity.AuthToken;
-import ru.soune.no_copy.exception.TokenNotFoundException;
-import ru.soune.no_copy.repository.AuthTokenRepository;
-import ru.soune.no_copy.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/no_copy/dto/LoginResponse.java

@@ -1,14 +0,0 @@
-package ru.soune.no_copy.dto;
-
-import lombok.AllArgsConstructor;
-import lombok.Data;
-import ru.soune.no_copy.entity.User;
-
-@Data
-@AllArgsConstructor
-public class LoginResponse {
-    private boolean success;
-    private String email;
-    private String token;
-    private String expiresAt;
-}

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

@@ -1,40 +0,0 @@
-package ru.soune.no_copy.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.no_copy.entity.GenderType;
-import ru.soune.no_copy.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/no_copy/entity/FileType.java

@@ -1,21 +0,0 @@
-package ru.soune.no_copy.entity;
-
-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/no_copy/exception/UserAlreadyExistsException.java

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

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

@@ -1,9 +1,11 @@
-package ru.soune.no_copy;
+package ru.soune.nocopy;
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.scheduling.annotation.EnableScheduling;
 
 @SpringBootApplication
+@EnableScheduling
 public class NoCopyApplication {
 
 	public static void main(String[] args) {

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

@@ -1,4 +1,4 @@
-package ru.soune.no_copy.configuration;
+package ru.soune.nocopy.configuration;
 
 import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
 import org.springframework.context.annotation.Bean;

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

@@ -0,0 +1,32 @@
+package ru.soune.nocopy.configuration;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import ru.soune.nocopy.handler.*;
+
+import java.util.HashMap;
+import java.util.Map;
+
+@Configuration
+public class HandlerConfig {
+
+    @Bean
+    public Map<Integer, RequestHandler> handlers(
+            RegRequestHandler reg,
+            LoginRequestHandler login,
+            FileUploadHandler upload,
+            FileEntityHandler file,
+            LogoutRequestHandler logoutHandler,
+            ImageFoundRequestHandler imageFoundRequestHandler
+    ) {
+        Map<Integer, RequestHandler> map = new HashMap<>();
+        map.put(20001, login);
+        map.put(20002, reg);
+        map.put(20004, upload);
+        map.put(20005, file);
+        map.put(20006, logoutHandler);
+        map.put(20007, imageFoundRequestHandler);
+
+        return map;
+    }
+}

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

@@ -1,4 +1,4 @@
-package ru.soune.no_copy.configuration;
+package ru.soune.nocopy.configuration;
 
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.SerializationFeature;
@@ -35,6 +35,8 @@ public class JacksonConfig {
 
         mapper.registerModule(javaTimeModule);
         mapper.disable(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS);
+        mapper.configure(com.fasterxml.jackson.databind.DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
+        mapper.enable(SerializationFeature.INDENT_OUTPUT);
 
         return mapper;
     }

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

@@ -1,4 +1,4 @@
-package ru.soune.no_copy.configuration;
+package ru.soune.nocopy.configuration;
 
 import org.springframework.context.annotation.Configuration;
 import org.springframework.data.jpa.repository.config.EnableJpaAuditing;

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

@@ -1,4 +1,4 @@
-package ru.soune.no_copy.configuration;
+package ru.soune.nocopy.configuration;
 
 import lombok.Getter;
 import org.springframework.boot.context.properties.ConfigurationProperties;

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/ApiController.java

@@ -0,0 +1,377 @@
+package ru.soune.nocopy.controller;
+
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.core.io.Resource;
+import org.springframework.core.io.UrlResource;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.MediaType;
+import org.springframework.http.ResponseEntity;
+import org.springframework.validation.BindingResult;
+import org.springframework.validation.FieldError;
+import org.springframework.web.bind.annotation.*;
+import org.springframework.web.multipart.MultipartFile;
+import ru.soune.nocopy.dto.BaseRequest;
+import ru.soune.nocopy.dto.BaseResponse;
+import ru.soune.nocopy.dto.MessageCode;
+import ru.soune.nocopy.dto.RegAnswer;
+import ru.soune.nocopy.dto.file.ChunkUploadResponse;
+import ru.soune.nocopy.dto.file.CompleteUploadResponse;
+import ru.soune.nocopy.dto.file.FileEntityResponse;
+import ru.soune.nocopy.dto.file.UploadProgress;
+import ru.soune.nocopy.entity.AuthToken;
+import ru.soune.nocopy.entity.file.FileStatus;
+import ru.soune.nocopy.entity.file.UploadStatus;
+import ru.soune.nocopy.exception.*;
+import ru.soune.nocopy.handler.*;
+import ru.soune.nocopy.repository.AuthTokenRepository;
+import ru.soune.nocopy.service.file.FileEntityService;
+import ru.soune.nocopy.service.file.FileUploadService;
+
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.stream.Collectors;
+
+@Slf4j
+@RestController
+@RequestMapping("/api")
+@RequiredArgsConstructor
+public class ApiController {
+    private final FileUploadService fileUploadService;
+
+    private final Map<Integer, RequestHandler> handlers;
+
+    private final FileEntityService fileEntityService;
+
+    private final AuthTokenRepository authTokenRepository;
+
+    @PostMapping("/v{version}/data")
+    public ResponseEntity<?> handlePostRequest(@RequestBody BaseRequest request,
+                                               @PathVariable("version") int version) {
+        Integer msgId = request.getMsgId();
+        BaseResponse response;
+
+        try {
+            RequestHandler handler = handlers.get(msgId);
+
+            if (handler == null) {
+                response = new BaseResponse(msgId,
+                        MessageCode.MSG_ID_NOT_FOUND.getCode(),
+                        MessageCode.MSG_ID_NOT_FOUND.getDescription(),
+                        new HashMap<>());
+            } else {
+                response = handler.handle(request);
+            }
+
+            return ResponseEntity.ok().body(response);
+        } catch (ValidationException e) {
+            return createValidationErrorResponse(e.getBindingResult(), e.getMsgId());
+        } catch (NotValidFieldException e) {
+            throw e;
+        } catch (Exception e) {
+            log.error("Handler execution failed for msgId: {}", msgId, e);
+
+            BaseResponse errorResponse = new BaseResponse(msgId,
+                    MessageCode.INVALID_JSON_BODY.getCode(),
+                    MessageCode.INVALID_JSON_BODY.getDescription(),
+                    new HashMap<>());
+
+            return ResponseEntity.ok().body(errorResponse);
+        }
+    }
+
+    @PostMapping("/v{version}/files/chunk")
+    public ResponseEntity<BaseResponse> uploadChunk(
+            @PathVariable("version") int version,
+            @RequestParam(value = "upload_id", required = false) String uploadId,
+            @RequestParam(value = "chunk_number", required = false) Integer chunkNumber,
+            @RequestParam(value = "chunk", required = false) MultipartFile chunk) {
+        try {
+            if (chunk == null || chunk.isEmpty()) {
+                return ResponseEntity.ok().body(new BaseResponse(20004, MessageCode.FILE_UPLOAD_ERROR.getCode(),
+                        "Chunk file null or empty", ChunkUploadResponse.builder()
+                        .uploadId(uploadId)
+                        .chunkNumber(chunkNumber)
+                        .build()));
+            }
+
+            if (uploadId == null || uploadId.isBlank()) {
+                return ResponseEntity.ok().body(new BaseResponse(20004, MessageCode.FILE_UPLOAD_ERROR.getCode(),
+                        "Upload ID is required", ChunkUploadResponse.builder()
+                        .uploadId(uploadId)
+                        .chunkNumber(chunkNumber)
+                        .build()));
+            }
+
+            if (chunkNumber == null || chunkNumber < 0) {
+                return ResponseEntity.ok().body(new BaseResponse(20004, MessageCode.FILE_UPLOAD_ERROR.getCode(),
+                        "Valid chunk number is required", ChunkUploadResponse.builder()
+                        .uploadId(uploadId)
+                        .chunkNumber(chunkNumber)
+                        .build()));
+            }
+
+            fileUploadService.uploadChunk(uploadId, chunkNumber, chunk);
+
+            ChunkUploadResponse responseBody = ChunkUploadResponse.builder()
+                    .uploadId(uploadId)
+                    .chunkNumber(chunkNumber)
+                    .chunkSize(chunk.getSize())
+                    .message("Chunk uploaded successfully")
+                    .build();
+
+            return ResponseEntity.ok().body(new BaseResponse(20004, MessageCode.SUCCESS.getCode(),
+                    "Chunk uploaded successfully", responseBody));
+        } catch (Exception e) {
+            log.error("Error uploading chunk", e);
+
+            ChunkUploadResponse responseBody = ChunkUploadResponse.builder()
+                    .uploadId(uploadId)
+                    .chunkNumber(chunkNumber)
+                    .build();
+
+            return ResponseEntity.ok().body(new BaseResponse(
+                    20004, MessageCode.FILE_UPLOAD_ERROR.getCode(),
+                    "Failed to upload chunk: " + e.getMessage(), responseBody));
+        }
+    }
+
+    @GetMapping("/v{version}/files/progress/{uploadId}")
+    public ResponseEntity<BaseResponse> getUploadProgress(
+            @PathVariable("version") int version,
+            @PathVariable String uploadId) {
+
+        log.info("Getting progress for upload session: {}, version: {}", uploadId, version);
+
+        try {
+            var progress = fileUploadService.getUploadProgress(uploadId);
+
+            UploadProgress responseBody = UploadProgress.builder()
+                    .uploadId(progress.getUploadId())
+                    .fileName(progress.getFileName())
+                    .totalChunks(progress.getTotalChunks())
+                    .uploadedChunks(progress.getUploadedChunks())
+                    .status(progress.getStatus().toString())
+                    .progressPercentage(progress.getProgressPercentage())
+                    .filePath(progress.getFilePath())
+                    .remainingChunks(progress.getTotalChunks() - progress.getUploadedChunks())
+                    .build();
+
+            return ResponseEntity.ok().body(new BaseResponse(
+                    20004, MessageCode.SUCCESS.getCode(), MessageCode.SUCCESS.getDescription(), responseBody));
+
+        } catch (Exception e) {
+            log.error("Error getting progress for upload: {}", uploadId, e);
+
+            UploadProgress responseBody = UploadProgress.builder()
+                    .uploadId(uploadId)
+                    .build();
+
+            return ResponseEntity.ok().body(new BaseResponse(
+                    20004, MessageCode.FILE_UPLOAD_ERROR.getCode(),
+                    "Failed to get upload progress: " + e.getMessage(), responseBody));
+        }
+    }
+
+    @PostMapping("/v{version}/files/{uploadId}/complete")
+    public ResponseEntity<BaseResponse> completeUpload(
+            @PathVariable("version") int version,
+            @PathVariable String uploadId) {
+
+        log.info("Completing upload session: {}, version: {}", uploadId, version);
+
+        try {
+            var progress = fileUploadService.getUploadProgress(uploadId);
+
+            if (progress.getStatus() == UploadStatus.COMPLETED) {
+                CompleteUploadResponse responseBody = CompleteUploadResponse.builder()
+                        .uploadId(progress.getUploadId())
+                        .status(progress.getStatus().toString())
+                        .uploadedChunks(progress.getUploadedChunks())
+                        .totalChunks(progress.getTotalChunks())
+                        .message("Upload already completed")
+                        .filePath(progress.getFilePath())
+                        .build();
+
+                return ResponseEntity.ok().body(new BaseResponse(20004, MessageCode.SUCCESS.getCode(),
+                        "Upload already completed", responseBody));
+            }
+
+            if (progress.getUploadedChunks() < progress.getTotalChunks()) {
+                CompleteUploadResponse responseBody = CompleteUploadResponse.builder()
+                        .uploadId(progress.getUploadId())
+                        .status(progress.getStatus().toString())
+                        .uploadedChunks(progress.getUploadedChunks())
+                        .totalChunks(progress.getTotalChunks())
+                        .message("Not all chunks uploaded")
+                        .build();
+
+                return ResponseEntity.ok().body(new BaseResponse(20004, MessageCode.INCOMPLETE_UPLOAD.getCode(),
+                        "Not all chunks uploaded", responseBody));
+            }
+
+            CompleteUploadResponse responseBody = CompleteUploadResponse.builder()
+                    .uploadId(progress.getUploadId())
+                    .status(progress.getStatus().toString())
+                    .uploadedChunks(progress.getUploadedChunks())
+                    .totalChunks(progress.getTotalChunks())
+                    .message("File assembly in progress")
+                    .build();
+
+            return ResponseEntity.ok().body(new BaseResponse(20004, MessageCode.SUCCESS.getCode(),
+                    "File assembly in progress", responseBody));
+
+        } catch (Exception e) {
+            log.error("Error completing upload: {}", uploadId, e);
+
+            CompleteUploadResponse responseBody = CompleteUploadResponse.builder()
+                    .uploadId(uploadId)
+                    .build();
+
+            return ResponseEntity.ok().body(new BaseResponse(20004, MessageCode.FILE_UPLOAD_ERROR.getCode(),
+                    "Failed to complete upload: " + e.getMessage(), responseBody));
+        }
+    }
+
+
+    @GetMapping("/v{version}/files/download/{fileId}")
+    public ResponseEntity<?> downloadFile(
+            @PathVariable(required = false) String fileId,
+            @PathVariable(required = false) Integer version,
+            @RequestHeader(value = "Authorization", required = false) String tokenHeader) {
+        try {
+            if (tokenHeader == null) {
+                Map<String, Object> errorData = new HashMap<>();
+                errorData.put("token", tokenHeader);
+                errorData.put("fileId", fileId);
+                errorData.put("version", version);
+
+                return ResponseEntity.ok().body(new BaseResponse(20004,
+                        MessageCode.FILE_DOWNLOAD_ERROR_NOT_CORRECT_FIELD.getCode(),
+                        MessageCode.FILE_DOWNLOAD_ERROR_NOT_CORRECT_FIELD.getDescription(),
+                        errorData));
+            }
+
+            Long userId = getUserIdFromToken(tokenHeader);
+            FileEntityResponse entityResponse = fileEntityService.getById(fileId, version);
+
+            if (!entityResponse.getUserId().equals(userId)) {
+                Map<String, Object> errorData = new HashMap<>();
+                errorData.put("token", tokenHeader);
+
+                return ResponseEntity.ok().body(new BaseResponse(20004,
+                        MessageCode.FILE_DOWNLOAD_ERROR.getCode(),
+                        MessageCode.FILE_DOWNLOAD_ERROR.getDescription(),
+                        errorData));
+            }
+
+            if (entityResponse.getStatus().equals(FileStatus.DELETED)) {
+                Map<String, Object> errorData = new HashMap<>();
+                errorData.put("file_status", entityResponse.getStatus());
+
+                return ResponseEntity.ok().body(new BaseResponse(20004,
+                        MessageCode.FILE_DOWNLOAD_ERROR.getCode(),
+                        MessageCode.FILE_DOWNLOAD_ERROR.getDescription(),
+                        errorData));
+            }
+
+            if (!entityResponse.isExistsOnDisk()) {
+                Map<String, Object> errorData = new HashMap<>();
+                errorData.put("onDisk", entityResponse.isExistsOnDisk());
+
+                return ResponseEntity.ok().body(new BaseResponse(20004,
+                        MessageCode.FILE_DOWNLOAD_ERROR.getCode(),
+                        MessageCode.FILE_DOWNLOAD_ERROR.getDescription(),
+                        errorData));
+            }
+
+            Path filePath = Paths.get(entityResponse.getFilePath());
+            Resource resource = new UrlResource(filePath.toUri());
+
+            if (!resource.exists()) {
+                Map<String, Object> errorData = new HashMap<>();
+                errorData.put("resource", resource.exists());
+
+                return ResponseEntity.ok().body(new BaseResponse(20004,
+                        MessageCode.FILE_DOWNLOAD_ERROR.getCode(),
+                        MessageCode.FILE_DOWNLOAD_ERROR.getDescription(),
+                        errorData));
+            }
+
+            String contentType = determineContentType(filePath);
+
+            return ResponseEntity.ok()
+                    .contentType(MediaType.parseMediaType(contentType))
+                    .header(HttpHeaders.CONTENT_DISPOSITION,
+                            "attachment; filename=\"" + entityResponse.getOriginalFileName() + "\"")
+                    .header(HttpHeaders.CONTENT_LENGTH, String.valueOf(entityResponse.getFileSize()))
+                    .body(resource);
+        } catch (FileEntityNotFoundException e) {
+            Map<String, Object> errorData = new HashMap<>();
+            errorData.put("fileId", fileId);
+
+            return ResponseEntity.ok().body(new BaseResponse(20004,
+                    MessageCode.FILE_NOT_FOUND.getCode(),
+                    MessageCode.FILE_NOT_FOUND.getDescription(),
+                    errorData));
+        } catch (NotFoundAuthToken | IOException e) {
+            Map<String, Object> errorData = new HashMap<>();
+            errorData.put("token", tokenHeader);
+            errorData.put("fileId", fileId);
+            errorData.put("version", version);
+
+            return ResponseEntity.ok().body(new BaseResponse(20004,
+                    MessageCode.FILE_DOWNLOAD_ERROR_NOT_CORRECT_FIELD.getCode(),
+                    MessageCode.FILE_DOWNLOAD_ERROR_NOT_CORRECT_FIELD.getDescription(),
+                    errorData));
+        }
+    }
+
+    private ResponseEntity<BaseResponse> createValidationErrorResponse(BindingResult bindingResult, Integer msgId) {
+        List<Map<String, String>> fieldErrors = bindingResult.getFieldErrors()
+                .stream()
+                .map(this::createErrorDetail)
+                .collect(Collectors.toList());
+
+        RegAnswer regAnswer = new RegAnswer();
+        regAnswer.setFieldErrors(fieldErrors);
+
+        return ResponseEntity.ok().body(new BaseResponse(msgId, MessageCode.INVALID_FIELD.getCode(),
+                MessageCode.INVALID_FIELD.getDescription(), regAnswer));
+    }
+
+    private Map<String, String> createErrorDetail(FieldError fieldError) {
+        Map<String, String> errorDetail = new HashMap<>();
+        errorDetail.put("field", fieldError.getField());
+        errorDetail.put("code", fieldError.getCode() != null ? fieldError.getCode() : "VALIDATION_ERROR");
+        errorDetail.put("message", fieldError.getDefaultMessage());
+
+        if (fieldError.getRejectedValue() != null &&
+                !fieldError.getField().toLowerCase().contains("password")) {
+            errorDetail.put("rejected_value", fieldError.getRejectedValue().toString());
+        }
+
+        return errorDetail;
+    }
+
+
+    private String determineContentType(Path filePath) throws IOException {
+        String contentType = Files.probeContentType(filePath);
+        if (contentType == null) {
+            contentType = "application/octet-stream";
+        }
+        return contentType;
+    }
+
+    private Long getUserIdFromToken(String tokenHeader) {
+        String token = tokenHeader.replace("Bearer ", "");
+        AuthToken authToken = authTokenRepository.findByToken(token)
+                .orElseThrow(() -> new NotFoundAuthToken("Token not found"));
+        return authToken.getUser().getId();
+    }
+}

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("check/api")
+public class HealtCheckController {
+
+    @GetMapping("/healt")
+    public HttpStatus healtCheck() {
+        return HttpStatus.OK;
+    }
+}

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

@@ -1,4 +1,4 @@
-package ru.soune.no_copy.controller;
+package ru.soune.nocopy.controller;
 
 import lombok.AllArgsConstructor;
 import org.springframework.web.bind.annotation.RequestMapping;

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

@@ -1,19 +1,19 @@
-package ru.soune.no_copy.controller;
+package ru.soune.nocopy.controller;
 
 import lombok.RequiredArgsConstructor;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.*;
-import ru.soune.no_copy.dto.ChangePasswordRequest;
+import ru.soune.nocopy.dto.ChangePasswordRequest;
-import ru.soune.no_copy.dto.UserDTO;
+import ru.soune.nocopy.dto.UserDTO;
-import ru.soune.no_copy.dto.UserRequest;
+import ru.soune.nocopy.dto.UserRequest;
-import ru.soune.no_copy.entity.AuthToken;
+import ru.soune.nocopy.entity.AuthToken;
-import ru.soune.no_copy.entity.User;
+import ru.soune.nocopy.entity.User;
-import ru.soune.no_copy.exception.InvalidUserEmail;
+import ru.soune.nocopy.exception.InvalidUserEmail;
-import ru.soune.no_copy.exception.NotFoundAuthToken;
+import ru.soune.nocopy.exception.NotFoundAuthToken;
-import ru.soune.no_copy.mapper.UserMapper;
+import ru.soune.nocopy.mapper.UserMapper;
-import ru.soune.no_copy.repository.AuthTokenRepository;
+import ru.soune.nocopy.repository.AuthTokenRepository;
-import ru.soune.no_copy.repository.UserRepository;
+import ru.soune.nocopy.repository.UserRepository;
-import ru.soune.no_copy.service.UserService;
+import ru.soune.nocopy.service.UserService;
 
 import java.util.List;
 import java.util.Optional;

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

@@ -1,4 +1,4 @@
-package ru.soune.no_copy.dto;
+package ru.soune.nocopy.dto;
 
 import java.time.LocalDateTime;
 

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

@@ -0,0 +1,16 @@
+package ru.soune.nocopy.dto;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Data;
+
+@Data
+public class BaseRequest {
+    @JsonProperty("version")
+    Integer version;
+
+    @JsonProperty("msg_id")
+    Integer msgId;
+
+    @JsonProperty("message_body")
+    Object messageBody;
+}

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

@@ -0,0 +1,21 @@
+package ru.soune.nocopy.dto;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+
+@Data
+@AllArgsConstructor
+public class BaseResponse {
+    @JsonProperty("msg_id")
+    private Integer msgId;
+
+    @JsonProperty("message_code")
+    private Integer messageCode;
+
+    @JsonProperty("message_desc")
+    private String messageDesc;
+
+    @JsonProperty("message_body")
+    private Object messageBody;
+}

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

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

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

@@ -0,0 +1,12 @@
+package ru.soune.nocopy.dto;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+public class LogOutAnswer {
+    private String email;
+}

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

@@ -0,0 +1,17 @@
+package ru.soune.nocopy.dto;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.util.List;
+import java.util.Map;
+
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+public class LoginAnswer {
+    private String Token;
+
+    private List<Map<String, String>> fieldErrors;
+}

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

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

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

@@ -0,0 +1,19 @@
+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 LogoutRequest {
+    @NotBlank(message = "error.not.blank") @Email(message = "error.not.email") @Size(max = 128)
+    private String email;
+
+    @NotBlank(message = "error.not.blank")
+    private String token;
+}

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

@@ -0,0 +1,41 @@
+package ru.soune.nocopy.dto;
+
+public enum MessageCode {
+    SUCCESS(0, "Operation successful"),
+    REG_EMAIL_EXISTS(1, "Email already registered"),
+    REG_EMAIL_OR_PHONE_EXISTS(1, "Email or phone already registered"),
+    INVALID_FIELD(2, "Invalid field"),
+    INVALID_TOKEN(2, "Invalid token"),
+    INVALID_ACTION(2, "Invalid action"),
+    FILE_UPLOAD_ERROR(2, "File upload error"),
+    FILE_DOWNLOAD_ERROR(2, "File download error"),
+    FILE_DOWNLOAD_ERROR_NOT_CORRECT_FIELD(2, "Not correct field"),
+    IMAGE_FOUND_ERROR(2, "Image found error"),
+    INVALID_JSON_BODY(2, "Invalid fields in JSON object"),
+    INCOMPLETE_UPLOAD(2, "Not load all chunks"),
+    MSG_ID_NOT_FOUND(4, "Message id not found"),
+    FILE_ENTITY_ERROR(2, "File entity error"),
+    ACCESS_DENIED(2, "Access denied"),
+    AUTH_EMAIL_NOT_FOUND(4, "Email not found"),
+    AUTH_EMAIL_OR_TOKEN_NOT_FOUND(4, "Email or Token not found "),
+    AUTH_TOKEN_MISMATCH(4, "Token mismatch"),
+    FILE_NOT_FOUND(4, "File not found"),
+    AUTH_PASSWORD_NOT_MATCHES(2, "Password does not match");
+
+    private final Integer code;
+
+    private final String description;
+
+    MessageCode(Integer code, String description) {
+        this.code = code;
+        this.description = description;
+    }
+
+    public Integer getCode() {
+        return code;
+    }
+
+    public String getDescription() {
+        return description;
+    }
+}

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

@@ -0,0 +1,17 @@
+package ru.soune.nocopy.dto;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.util.List;
+import java.util.Map;
+
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+public class RegAnswer {
+    private String Token;
+
+    private List<Map<String, String>> fieldErrors;
+}

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

@@ -0,0 +1,25 @@
+package ru.soune.nocopy.dto;
+
+import jakarta.validation.constraints.*;
+import lombok.Data;
+
+
+@Data
+public class RegRequest {
+    @NotEmpty(message = "Full name is required")
+    private String fullName;
+
+    private String companyName;
+
+    @Size(min = 11, max = 14, message = "Phone must be 11-14 digits")
+    private String phone;
+
+    @NotBlank(message = "Email is required")
+    @Email(message = "Invalid email format")
+    @Size(max = 128, message = "Email too long")
+    private String email;
+
+    @NotBlank(message = "Password is required")
+    @Size(min = 8, message = "Password must be at least 8 characters")
+    private String password;
+}

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

@@ -1,7 +1,6 @@
-package ru.soune.no_copy.dto;
+package ru.soune.nocopy.dto;
 
 import lombok.Data;
-import ru.soune.no_copy.entity.FileType;
 
 @Data
 public class UserContentDTO {

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

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

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

@@ -1,7 +1,7 @@
-package ru.soune.no_copy.dto;
+package ru.soune.nocopy.dto;
 
-import ru.soune.no_copy.entity.ContentStatus;
+import ru.soune.nocopy.entity.ContentStatus;
-import ru.soune.no_copy.entity.FileType;
+import ru.soune.nocopy.entity.file.FileType;
 
 import java.time.LocalDateTime;
 

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

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

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

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

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

@@ -1,14 +1,13 @@
-package ru.soune.no_copy.dto;
+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.no_copy.entity.GenderType;
+import ru.soune.nocopy.entity.GenderType;
 
 import java.time.LocalDate;
-import java.time.LocalDateTime;
 
 @Data
 public class UserRequest {

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

@@ -0,0 +1,17 @@
+package ru.soune.nocopy.dto.file;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.util.List;
+
+@Data
+@Builder
+@AllArgsConstructor
+@NoArgsConstructor
+public class ActionResponse {
+    private List<String> availableActions;
+    private String action;
+}

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

@@ -0,0 +1,15 @@
+package ru.soune.nocopy.dto.file;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Builder;
+import lombok.Data;
+
+@Data
+@Builder
+public class CanceledUploadResponse {
+    @JsonProperty("upload_id")
+    private String uploadId;
+
+    @JsonProperty("message")
+    private String message;
+}

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

@@ -0,0 +1,28 @@
+package ru.soune.nocopy.dto.file;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.util.Map;
+
+@Data
+@Builder
+public class ChunkStatusResponse {
+    @JsonProperty("upload_id")
+    private String uploadId;
+
+    @JsonProperty("total_chunks")
+    private Integer totalChunks;
+
+    @JsonProperty("chunk_status")
+    private Map<String, Boolean> chunkStatus;
+
+    @JsonProperty("uploaded_chunks")
+    private Integer uploadedChunks;
+
+    @JsonProperty("missing_chunks")
+    private Integer missingChunks;
+}

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

@@ -0,0 +1,25 @@
+package ru.soune.nocopy.dto.file;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+public class ChunkUploadResponse {
+    @JsonProperty("upload_id")
+    private String uploadId;
+
+    @JsonProperty("chunk_number")
+    private Integer chunkNumber;
+
+    @JsonProperty("chunk_size")
+    private Long chunkSize;
+
+    @JsonProperty("message")
+    private String message;
+}

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

@@ -0,0 +1,31 @@
+package ru.soune.nocopy.dto.file;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+public class CompleteUploadResponse {
+    @JsonProperty("upload_id")
+    private String uploadId;
+
+    @JsonProperty("status")
+    private String status;
+
+    @JsonProperty("uploaded_chunks")
+    private Integer uploadedChunks;
+
+    @JsonProperty("total_chunks")
+    private Integer totalChunks;
+
+    @JsonProperty("message")
+    private String message;
+
+    @JsonProperty("file_path")
+    private String filePath;
+}

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

@@ -0,0 +1,19 @@
+package ru.soune.nocopy.dto.file;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@Builder
+@AllArgsConstructor
+@NoArgsConstructor
+public class DeleteFileResponse {
+    @JsonProperty("file_id")
+    private String fileId;
+
+    @JsonProperty("message")
+    private String message;
+}

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/FileEntityRequest.java

@@ -0,0 +1,34 @@
+package ru.soune.nocopy.dto.file;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@Builder
+@AllArgsConstructor
+@NoArgsConstructor
+public class FileEntityRequest {
+    @JsonProperty("action")
+    private String action;
+
+    @JsonProperty("file_id")
+    private String fileId;
+
+    @JsonProperty("upload_session_id")
+    private String uploadSessionId;
+
+    @JsonProperty("query")
+    private String query;
+
+    @JsonProperty("page")
+    private Integer page;
+
+    @JsonProperty("page_size")
+    private Integer pageSize;
+
+    @JsonProperty("token")
+    private String token;
+}

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

@@ -0,0 +1,33 @@
+package ru.soune.nocopy.dto.file;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+import ru.soune.nocopy.entity.file.FileStatus;
+
+import java.time.LocalDateTime;
+
+@Data
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+public class FileEntityResponse {
+
+    private String id;
+    private Long userId;
+    private String originalFileName;
+    private String storedFileName;
+    private String filePath;
+    private Long fileSize;
+    private String mimeType;
+    private String fileExtension;
+    private String checksum;
+    private String uploadSessionId;
+    private FileStatus status;
+    private LocalDateTime createdAt;
+    private LocalDateTime updatedAt;
+    private String formattedSize;
+    private String downloadUrl;
+    private boolean existsOnDisk;
+}

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

@@ -0,0 +1,20 @@
+package ru.soune.nocopy.dto.file;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Builder;
+import lombok.Data;
+
+import java.util.List;
+
+@Data
+@Builder
+public class FileExtensionResponse {
+    @JsonProperty("file_extension")
+    private List<String> extension;
+
+    @JsonProperty("count")
+    private Integer count;
+
+    @JsonProperty("max_file_size")
+    private Long maxFileSize;
+}

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

@@ -0,0 +1,61 @@
+package ru.soune.nocopy.dto.file;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+public class FileInfoUserResponse {
+    @JsonProperty("all_files_size")
+    private Long allFileSize;
+
+    @JsonProperty("all_files_quantity")
+    private Integer fileCount;
+
+    @JsonProperty("all_files_check")
+    private Integer filesCheck;
+
+    @JsonProperty("all_files_violation")
+    private Integer filesViolation;
+
+    @JsonProperty("images_size")
+    private Long imagesSize;
+
+    @JsonProperty("images_quantity")
+    private Integer imagesCount;
+
+    @JsonProperty("images_check")
+    private Integer imagesCheck;
+
+    @JsonProperty("images_violations")
+    private Integer imagesViolations;
+
+    @JsonProperty("videos_size")
+    private Long videosSize;
+
+    @JsonProperty("videos_quantity")
+    private Integer videosCount;
+
+    @JsonProperty("videos_check")
+    private Integer videosCheck;
+
+    @JsonProperty("videos_violations")
+    private Integer videosViolations;
+
+    @JsonProperty("audios_size")
+    private Long audiosSize;
+
+    @JsonProperty("audios_quantity")
+    private Integer audiosCount;
+
+    @JsonProperty("audios_check")
+    private Integer audiosCheck;
+
+    @JsonProperty("audios_violations")
+    private Integer audiosViolations;
+}

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

@@ -0,0 +1,33 @@
+package ru.soune.nocopy.dto.file;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.util.List;
+
+@Data
+@Builder
+@AllArgsConstructor
+@NoArgsConstructor
+public class FileListResponse {
+    @JsonProperty("files")
+    private List<FileEntityResponse> files;
+
+    @JsonProperty("total_count")
+    private Integer totalCount;
+
+    @JsonProperty("total_size")
+    private Long totalSize;
+
+    @JsonProperty("formatted_total_size")
+    private String formattedTotalSize;
+
+    @JsonProperty("page")
+    private Integer page;
+
+    @JsonProperty("page_size")
+    private Integer pageSize;
+}

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

@@ -0,0 +1,22 @@
+package ru.soune.nocopy.dto.file;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.util.List;
+
+@Data
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+public class FileResponse {
+
+    private List<FileEntityResponse> files;
+    private int totalCount;
+    private long totalSize;
+    private String formattedTotalSize;
+    private int page;
+    private int pageSize;
+}

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

@@ -0,0 +1,19 @@
+package ru.soune.nocopy.dto.file;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Builder;
+import lombok.Data;
+import ru.soune.nocopy.entity.file.FileType;
+
+import java.util.List;
+
+@Data
+@Builder
+public class FileTypesResponse {
+    @JsonProperty("file_types")
+    private List<FileType> fileTypes;
+
+    @JsonProperty("count")
+    private Integer count;
+}
+

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

@@ -0,0 +1,31 @@
+package ru.soune.nocopy.dto.file;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Data;
+
+@Data
+public class FileUploadRequest {
+    @JsonProperty("upload_id")
+    private String uploadId;
+
+    @JsonProperty("file_name")
+    private String fileName;
+
+    @JsonProperty("file_type")
+    private String fileType;
+
+    @JsonProperty("extension")
+    private String extension;
+
+    @JsonProperty("file_size")
+    private Long fileSize;
+
+    @JsonProperty("chunk_number")
+    private Integer chunkNumber;
+
+    @JsonProperty("action")
+    private String action;
+
+    @JsonProperty("token")
+    private String token;
+}

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

@@ -0,0 +1,10 @@
+package ru.soune.nocopy.dto.file;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Data;
+
+@Data
+public class ImageSearchRequest {
+    @JsonProperty("file_id")
+    private String fileId;
+}

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

@@ -0,0 +1,30 @@
+package ru.soune.nocopy.dto.file;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Builder;
+import lombok.Data;
+
+import java.util.List;
+import java.util.Map;
+
+@Data
+@Builder
+public class InitFileResponse {
+    @JsonProperty("upload_id")
+    private String uploadId;
+
+    @JsonProperty("file_name")
+    private String fileName;
+
+    @JsonProperty("total_chunks")
+    private Integer totalChunks;
+
+    @JsonProperty("chunk_size")
+    private Long chunkSize;
+
+    @JsonProperty("status")
+    private String status;
+
+    @JsonProperty("field_errors")
+    private List<Map<String, String>> fieldErrors;
+}

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/RetryUploadResponse.java

@@ -0,0 +1,18 @@
+package ru.soune.nocopy.dto.file;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Builder;
+import lombok.Data;
+
+@Data
+@Builder
+public class RetryUploadResponse {
+    @JsonProperty("upload_id")
+    private String uploadId;
+
+    @JsonProperty("message")
+    private String message;
+
+    @JsonProperty("status")
+    private String status;
+}

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

@@ -0,0 +1,22 @@
+package ru.soune.nocopy.dto.file;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@Builder
+@AllArgsConstructor
+@NoArgsConstructor
+public class StorageUsageResponse {
+    @JsonProperty("user_id")
+    private Long userId;
+
+    @JsonProperty("storage_used")
+    private Long storageUsed;
+
+    @JsonProperty("formatted_storage_used")
+    private String formattedStorageUsed;
+}

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

@@ -0,0 +1,40 @@
+package ru.soune.nocopy.dto.file;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Builder
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+public class UploadProgress {
+    @JsonProperty("upload_id")
+    private String uploadId;
+
+    @JsonProperty("file_name")
+    private String fileName;
+
+    @JsonProperty("total_chunks")
+    private Integer totalChunks;
+
+    @JsonProperty("uploaded_chunks")
+    private Integer uploadedChunks;
+
+    @JsonProperty("status")
+    private String status;
+
+    @JsonProperty("progress_percentage")
+    private Integer progressPercentage;
+
+    @JsonProperty("file_path")
+    private String filePath;
+
+    @JsonProperty("remaining_chunks")
+    private Integer remainingChunks;
+
+    @JsonProperty("message")
+    private String message;
+}

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/dto/file/YandexSearchResponse.java

@@ -0,0 +1,36 @@
+package ru.soune.nocopy.dto.file;
+
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Data;
+import java.util.List;
+
+@Data
+@JsonIgnoreProperties(ignoreUnknown = true)
+public class YandexSearchResponse {
+
+    @JsonProperty("images")
+    private List<ImageResult> images;
+
+    @Data
+    @JsonIgnoreProperties(ignoreUnknown = true)
+    public static class ImageResult {
+        @JsonProperty("url")
+        private String url;
+
+        @JsonProperty("pageUrl")
+        private String pageUrl;
+
+        @JsonProperty("pageTitle")
+        private String pageTitle;
+
+        @JsonProperty("width")
+        private Integer width;
+
+        @JsonProperty("height")
+        private Integer height;
+
+        @JsonProperty("host")
+        private String host;
+    }
+}

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

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

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

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

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

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

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

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

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

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

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

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

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

@@ -1,4 +1,4 @@
-package ru.soune.no_copy.entity;
+package ru.soune.nocopy.entity;
 
 import com.fasterxml.jackson.annotation.JsonIgnore;
 import jakarta.persistence.*;
@@ -42,6 +42,7 @@ public class User {
     private String password;
 
     @Size(min = 11, max = 14)
+    @Column(unique = true)
     private String phone;
 
     @Enumerated(EnumType.STRING)

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

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

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

@@ -1,10 +1,10 @@
-package ru.soune.no_copy.entity;
+package ru.soune.nocopy.entity;
 
 import jakarta.persistence.*;
 import lombok.*;
-import org.hibernate.annotations.CreationTimestamp;
 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;
 

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

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

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

@@ -0,0 +1,78 @@
+package ru.soune.nocopy.entity.file;
+
+import jakarta.persistence.*;
+import lombok.*;
+import org.springframework.data.annotation.CreatedDate;
+import org.springframework.data.annotation.LastModifiedDate;
+import org.springframework.data.jpa.domain.support.AuditingEntityListener;
+
+import java.time.LocalDateTime;
+
+@Data
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+@Entity
+@Table(name = "file_entities")
+@EntityListeners(AuditingEntityListener.class)
+public class FileEntity {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.UUID)
+    private String id;
+
+    @Column(name = "user_id", nullable = false)
+    private Long userId;
+
+    @Column(name = "original_file_name", nullable = false)
+    private String originalFileName;
+
+    @Column(name = "stored_file_name", nullable = false)
+    private String storedFileName;
+
+    @Column(name = "file_path", nullable = false, unique = true)
+    private String filePath;
+
+    @Column(name = "file_size", nullable = false)
+    private Long fileSize;
+
+    @Column(name = "mime_type")
+    private String mimeType;
+
+    @Column(name = "file_extension")
+    private String fileExtension;
+
+    @Column(name = "checksum")
+    private String checksum;
+
+    @Column(name = "upload_session_id")
+    private String uploadSessionId;
+
+    @Enumerated(EnumType.STRING)
+    @Column(name = "status")
+    private FileStatus status;
+
+    @CreatedDate
+    @Column(name = "created_at", updatable = false)
+    private LocalDateTime createdAt;
+
+    @LastModifiedDate
+    @Column(name = "updated_at")
+    private LocalDateTime updatedAt;
+
+    @PrePersist
+    public void prePersist() {
+        if (this.status == null) {
+            this.status = FileStatus.ACTIVE;
+        }
+        if (this.createdAt == null) {
+            this.createdAt = LocalDateTime.now();
+        }
+        this.updatedAt = LocalDateTime.now();
+    }
+
+    @PreUpdate
+    public void preUpdate() {
+        this.updatedAt = LocalDateTime.now();
+    }
+}

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

@@ -0,0 +1,10 @@
+package ru.soune.nocopy.entity.file;
+
+public enum FileStatus {
+    ACTIVE,
+    DELETED,
+    PROCESSING,
+    VIOLATION,
+    CHECKED,
+    ERROR
+}

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

@@ -0,0 +1,34 @@
+package ru.soune.nocopy.entity.file;
+
+import lombok.Getter;
+
+import java.util.Arrays;
+import java.util.List;
+
+@Getter
+public enum FileType {
+    IMAGE("image", Arrays.asList("jpg", "jpeg", "png", "gif", "bmp", "webp", "jfif")),
+    VIDEO("video", Arrays.asList("mp4", "avi", "mov", "wmv", "flv", "mkv", "webm", "m4v", "mpg", "mpeg",
+            "3gp", "3g2", "f4v", "m2ts", "mts", "vob", "ogv", "divx")),
+    AUDIO("audio", Arrays.asList("mp3", "wav", "flac"));
+
+    private final String displayName;
+    private final List<String> allowedExtensions;
+
+    FileType(String displayName, List<String> allowedExtensions) {
+        this.displayName = displayName;
+        this.allowedExtensions = allowedExtensions;
+    }
+
+    public String getDisplayName() {
+        return displayName;
+    }
+
+    public List<String> getAllowedExtensions() {
+        return allowedExtensions;
+    }
+
+    public boolean supportsExtension(String extension) {
+        return allowedExtensions.contains(extension.toLowerCase());
+    }
+}

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

@@ -0,0 +1,100 @@
+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 = "chunk_size")
+    private Long chunkSize;
+
+    @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().plusMinutes(1);
+        if (this.chunksUploaded == null) {
+            this.chunksUploaded = 0;
+        }
+        if (this.status == null) {
+            this.status = UploadStatus.INITIATED;
+        }
+        if (this.retryCount == null) {
+            this.retryCount = 0;
+        }
+    }
+}

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 not valid: " + actualSize));
+    }
+}

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

@@ -1,4 +1,4 @@
-package ru.soune.no_copy.exception;
+package ru.soune.nocopy.exception;
 
 public class ContentNotFoundException extends RuntimeException {
     public ContentNotFoundException(String message) {

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

@@ -0,0 +1,11 @@
+package ru.soune.nocopy.exception;
+
+public class FileEntityNotFoundException extends RuntimeException {
+    public FileEntityNotFoundException(String fileId) {
+        super("FileEntity not found with ID: " + fileId);
+    }
+
+    public FileEntityNotFoundException(String message, Throwable cause) {
+        super(message, cause);
+    }
+}

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

@@ -1,4 +1,4 @@
-package ru.soune.no_copy.exception;
+package ru.soune.nocopy.exception;
 
 public class InvalidPasswordException extends RuntimeException {
     public InvalidPasswordException(String message) {

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

@@ -1,4 +1,4 @@
-package ru.soune.no_copy.exception;
+package ru.soune.nocopy.exception;
 
 public class InvalidUserEmail extends RuntimeException {
     public InvalidUserEmail(String message) {

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

@@ -1,4 +1,4 @@
-package ru.soune.no_copy.exception;
+package ru.soune.nocopy.exception;
 
 public class NotFoundAuthToken extends RuntimeException {
     public NotFoundAuthToken(String message) {

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

@@ -0,0 +1,18 @@
+package ru.soune.nocopy.exception;
+
+import lombok.Getter;
+import ru.soune.nocopy.dto.BaseResponse;
+
+@Getter
+public class NotValidFieldException extends RuntimeException {
+
+    private final String message;
+
+    private final BaseResponse baseResponse;
+
+    public NotValidFieldException(String message, BaseResponse baseResponse) {
+        super(message);
+        this.message = message;
+        this.baseResponse = baseResponse;
+    }
+}

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

@@ -1,4 +1,4 @@
-package ru.soune.no_copy.exception;
+package ru.soune.nocopy.exception;
 
 public class NotValidationPasswordException extends RuntimeException {
     public NotValidationPasswordException(String message) {

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

@@ -1,4 +1,4 @@
-package ru.soune.no_copy.exception;
+package ru.soune.nocopy.exception;
 
 public class TokenNotFoundException extends RuntimeException {
     public TokenNotFoundException(String 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/UserNotFoundException.java

@@ -1,4 +1,4 @@
-package ru.soune.no_copy.exception;
+package ru.soune.nocopy.exception;
 
 public class UserNotFoundException extends RuntimeException {
     public UserNotFoundException(String message) {

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

@@ -0,0 +1,16 @@
+package ru.soune.nocopy.exception;
+
+import lombok.Getter;
+import org.springframework.validation.BindingResult;
+
+@Getter
+public class ValidationException extends RuntimeException {
+    private final BindingResult bindingResult;
+    private final Integer msgId;
+
+    public ValidationException(BindingResult bindingResult, Integer msgId) {
+        super("Validation failed");
+        this.bindingResult = bindingResult;
+        this.msgId = msgId;
+    }
+}

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

@@ -0,0 +1,328 @@
+package ru.soune.nocopy.handler;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Component;
+import ru.soune.nocopy.dto.*;
+import ru.soune.nocopy.dto.file.*;
+import ru.soune.nocopy.entity.AuthToken;
+import ru.soune.nocopy.entity.file.FileEntity;
+import ru.soune.nocopy.entity.file.FileStatus;
+import ru.soune.nocopy.exception.FileEntityNotFoundException;
+import ru.soune.nocopy.exception.NotFoundAuthToken;
+import ru.soune.nocopy.repository.AuthTokenRepository;
+import ru.soune.nocopy.repository.FileEntityRepository;
+import ru.soune.nocopy.service.file.FileEntityService;
+import ru.soune.nocopy.service.file.FileStatsService;
+
+import java.util.Arrays;
+import java.util.List;
+
+@Slf4j
+@Component
+@RequiredArgsConstructor
+public class FileEntityHandler implements RequestHandler {
+
+    private final FileEntityService fileEntityService;
+
+    private final FileStatsService fileStatsService;
+
+    private final AuthTokenRepository authTokenRepository;
+
+    private final ObjectMapper objectMapper;
+
+    private final FileEntityRepository fileEntityRepository;
+
+    @Override
+    public BaseResponse handle(BaseRequest request) {
+        try {
+            FileEntityRequest fileRequest = objectMapper.convertValue(
+                    request.getMessageBody(), FileEntityRequest.class);
+
+            String action = fileRequest.getAction();
+
+            switch (action) {
+                case "file_info":
+                    return handleGetFileInfo(request, fileRequest);
+                case "user_files_info":
+                    return handleGetFilesUserInfo(request, fileRequest);
+                case "file_by_session":
+                    return handleGetFileBySession(request, fileRequest);
+                case "user_files":
+                    return handleGetUserFiles(request, fileRequest);
+                case "search_files":
+                    return handleSearchFiles(request, fileRequest);
+                case "storage_usage":
+                    return handleGetStorageUsage(request, fileRequest);
+                case "delete_file":
+                    return handleDeleteFile(request, fileRequest);
+                default:
+                    ActionResponse response = ActionResponse.builder()
+                            .action(action)
+                            .availableActions(Arrays.asList(
+                                    "file_info", "file_by_session", "user_files",
+                                    "search_files", "storage_usage", "delete_file"))
+                            .build();
+
+                    return new BaseResponse(request.getMsgId(),
+                            MessageCode.INVALID_ACTION.getCode(),
+                            "Invalid action: " + action,
+                            response);
+            }
+        } catch (Exception e) {
+            log.error("Error in FileEntityHandler", e);
+            return new BaseResponse(request.getMsgId(),
+                    MessageCode.FILE_UPLOAD_ERROR.getCode(),
+                    "Handler error: " + e.getMessage(),
+                    null);
+        }
+    }
+
+    private BaseResponse handleGetFilesUserInfo(BaseRequest request, FileEntityRequest fileRequest) {
+        Long userId = getUserIdFromToken(fileRequest.getToken());
+        FileInfoUserResponse userFileStats = fileStatsService.getUserFileStats(userId);
+
+        return new BaseResponse(request.getMsgId(),
+                MessageCode.SUCCESS.getCode(),
+                MessageCode.SUCCESS.getDescription(),
+                userFileStats);
+    }
+
+    private BaseResponse handleGetFileInfo(BaseRequest request, FileEntityRequest fileRequest) {
+        try {
+            Long userId = getUserIdFromToken(fileRequest.getToken());
+            FileEntityResponse fileInfo = fileEntityService.getById(fileRequest.getFileId(), request.getVersion());
+
+            if (!fileInfo.getUserId().equals(userId)) {
+                return new BaseResponse(request.getMsgId(),
+                        MessageCode.ACCESS_DENIED.getCode(),
+                        "Access denied",
+                        null);
+            }
+
+            return new BaseResponse(request.getMsgId(),
+                    MessageCode.SUCCESS.getCode(),
+                    MessageCode.SUCCESS.getDescription(),
+                    fileInfo);
+
+        } catch (NotFoundAuthToken e) {
+            return new BaseResponse(request.getMsgId(),
+                    MessageCode.INVALID_TOKEN.getCode(),
+                    "Authentication required",
+                    null);
+        } catch (Exception e) {
+            log.error("Error getting file info", e);
+            return new BaseResponse(request.getMsgId(),
+                    MessageCode.FILE_UPLOAD_ERROR.getCode(),
+                    "Failed to get file info: " + e.getMessage(),
+                    null);
+        }
+    }
+
+    private BaseResponse handleGetFileBySession(BaseRequest request, FileEntityRequest fileRequest) {
+        try {
+            Long userId = getUserIdFromToken(fileRequest.getToken());
+            FileEntityResponse fileInfo = fileEntityService.getByUploadSessionId(fileRequest.getUploadSessionId(),
+                    request.getVersion());
+
+            if (!fileInfo.getUserId().equals(userId)) {
+                return new BaseResponse(request.getMsgId(),
+                        MessageCode.ACCESS_DENIED.getCode(),
+                        "Access denied",
+                        null);
+            }
+
+            return new BaseResponse(request.getMsgId(),
+                    MessageCode.SUCCESS.getCode(),
+                    MessageCode.SUCCESS.getDescription(),
+                    fileInfo);
+
+        } catch (NotFoundAuthToken e) {
+            return new BaseResponse(request.getMsgId(),
+                    MessageCode.INVALID_TOKEN.getCode(),
+                    "Authentication required",
+                    null);
+        } catch (Exception e) {
+            log.error("Error getting file by session", e);
+            return new BaseResponse(request.getMsgId(),
+                    MessageCode.FILE_UPLOAD_ERROR.getCode(),
+                    "Failed to get file: " + e.getMessage(),
+                    null);
+        }
+    }
+
+    private BaseResponse handleGetUserFiles(BaseRequest request, FileEntityRequest fileRequest) {
+        try {
+            Long userId = getUserIdFromToken(fileRequest.getToken());
+            int page = fileRequest.getPage() != null ? fileRequest.getPage() : 1;
+            int pageSize = fileRequest.getPageSize() != null ? fileRequest.getPageSize() : 20;
+
+            FileResponse files = fileEntityService.getUserFiles(userId, page, pageSize, request.getVersion());
+
+            return new BaseResponse(request.getMsgId(),
+                    MessageCode.SUCCESS.getCode(),
+                    MessageCode.SUCCESS.getDescription(),
+                    files);
+
+        } catch (NotFoundAuthToken e) {
+            return new BaseResponse(request.getMsgId(),
+                    MessageCode.INVALID_TOKEN.getCode(),
+                    "Authentication required",
+                    null);
+        } catch (Exception e) {
+            log.error("Error getting user files", e);
+            return new BaseResponse(request.getMsgId(),
+                    MessageCode.FILE_UPLOAD_ERROR.getCode(),
+                    "Failed to get files: " + e.getMessage(),
+                    null);
+        }
+    }
+
+    private BaseResponse handleSearchFiles(BaseRequest request, FileEntityRequest fileRequest) {
+        try {
+            Long userId = getUserIdFromToken(fileRequest.getToken());
+            int page = fileRequest.getPage() != null ? fileRequest.getPage() : 1;
+            int pageSize = fileRequest.getPageSize() != null ? fileRequest.getPageSize() : 20;
+
+            if (fileRequest.getQuery() == null || fileRequest.getQuery().isBlank()) {
+                return handleGetUserFiles(request, fileRequest);
+            }
+
+            FileResponse allFiles = fileEntityService.getUserFiles(userId, 1, 1000, request.getVersion());
+
+            var filteredFiles = allFiles.getFiles().stream()
+                    .filter(f -> (f.getOriginalFileName() + f.getFileExtension()).toLowerCase()
+                            .contains(fileRequest.getQuery().toLowerCase()))
+                    .toList();
+
+            int start = (page - 1) * pageSize;
+            int end = Math.min(start + pageSize, filteredFiles.size());
+            List<FileEntityResponse> fileEntityResponses = filteredFiles.subList(start, Math.min(end, filteredFiles.size()));
+            long sumSize = fileEntityResponses.stream()
+                    .mapToLong(FileEntityResponse::getFileSize)
+                    .sum();
+
+            FileListResponse response = FileListResponse.builder()
+                    .files(fileEntityResponses)
+                    .totalCount(filteredFiles.size())
+                    .totalSize(sumSize)
+                    .formattedTotalSize(fileEntityService.formatFileSize(sumSize))
+                    .page(page)
+                    .pageSize(pageSize)
+                    .build();
+
+            return new BaseResponse(request.getMsgId(),
+                    MessageCode.SUCCESS.getCode(),
+                    MessageCode.SUCCESS.getDescription(),
+                    response);
+        } catch (NotFoundAuthToken e) {
+            return new BaseResponse(request.getMsgId(), MessageCode.INVALID_TOKEN.getCode(),
+                    "Authentication required", null);
+        } catch (Exception e) {
+            log.error("Error searching files", e);
+            return new BaseResponse(request.getMsgId(), MessageCode.FILE_UPLOAD_ERROR.getCode(),
+                    "Failed to search files: " + e.getMessage(), null);
+        }
+    }
+
+    private BaseResponse handleGetStorageUsage(BaseRequest request, FileEntityRequest fileRequest) {
+        try {
+            Long userId = getUserIdFromToken(fileRequest.getToken());
+            long usage = fileEntityService.getUserStorageUsed(userId);
+
+            StorageUsageResponse response = StorageUsageResponse.builder()
+                    .userId(userId)
+                    .storageUsed(usage)
+                    .formattedStorageUsed(formatFileSize(usage))
+                    .build();
+
+            return new BaseResponse(request.getMsgId(),
+                    MessageCode.SUCCESS.getCode(),
+                    MessageCode.SUCCESS.getDescription(),
+                    response);
+
+        } catch (NotFoundAuthToken e) {
+            return new BaseResponse(request.getMsgId(),
+                    MessageCode.INVALID_TOKEN.getCode(),
+                    "Authentication required",
+                    null);
+        } catch (Exception e) {
+            log.error("Error getting storage usage", e);
+            return new BaseResponse(request.getMsgId(),
+                    MessageCode.FILE_UPLOAD_ERROR.getCode(),
+                    "Failed to get storage usage: " + e.getMessage(),
+                    null);
+        }
+    }
+
+    private BaseResponse handleDeleteFile(BaseRequest request, FileEntityRequest fileRequest) {
+        try {
+            Long userId = getUserIdFromToken(fileRequest.getToken());
+            String fileId = fileRequest.getFileId();
+            FileEntityResponse fileInfo = fileEntityService.getById(fileId, request.getVersion());
+            DeleteFileResponse response;
+
+            if (!fileInfo.getUserId().equals(userId)) {
+                return new BaseResponse(request.getMsgId(),
+                        MessageCode.ACCESS_DENIED.getCode(),
+                        "Access denied",
+                        null);
+            }
+
+            FileEntity fileEntity = fileEntityRepository.findById(fileId)
+                    .orElseThrow(() -> new FileEntityNotFoundException(fileId));
+
+            if (fileEntity.getStatus().equals(FileStatus.DELETED)) {
+                fileEntityService.deleteFromDisk(fileEntity);
+                response = DeleteFileResponse.builder()
+                        .fileId(fileRequest.getFileId())
+                        .message("File deleted from disk")
+                        .build();
+            } else {
+                fileEntityService.markAsDeleted(fileEntity);
+                response = DeleteFileResponse.builder()
+                        .fileId(fileRequest.getFileId())
+                        .message("File marked as deleted")
+                        .build();
+            }
+
+            return new BaseResponse(request.getMsgId(),
+                    MessageCode.SUCCESS.getCode(),
+                    "File marked as deleted",
+                    response);
+        } catch (NotFoundAuthToken e) {
+            return new BaseResponse(request.getMsgId(),
+                    MessageCode.INVALID_TOKEN.getCode(),
+                    "Authentication required",
+                    null);
+        } catch (Exception e) {
+            log.error("Error deleting file", e);
+            return new BaseResponse(request.getMsgId(),
+                    MessageCode.FILE_UPLOAD_ERROR.getCode(),
+                    "Failed to delete file: " + e.getMessage(),
+                    null);
+        }
+    }
+
+    private Long getUserIdFromToken(String token) {
+        if (token == null || token.isBlank()) {
+            throw new NotFoundAuthToken("Token is required");
+        }
+
+        if (token.startsWith("Bearer ")) {
+            token = token.replace("Bearer ", "");
+        }
+
+        AuthToken authToken = authTokenRepository.findByToken(token)
+                .orElseThrow(() -> new NotFoundAuthToken("Token not found"));
+        return authToken.getUser().getId();
+    }
+
+    private String formatFileSize(long size) {
+        if (size < 1024) return size + " B";
+        int exp = (int) (Math.log(size) / Math.log(1024));
+        String pre = "KMGTPE".charAt(exp-1) + "";
+        return String.format("%.1f %sB", size / Math.pow(1024, exp), pre);
+    }
+}

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

@@ -0,0 +1,274 @@
+package ru.soune.nocopy.handler;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Component;
+import org.springframework.validation.BeanPropertyBindingResult;
+import org.springframework.validation.BindingResult;
+import org.springframework.validation.FieldError;
+import ru.soune.nocopy.dto.*;
+import ru.soune.nocopy.dto.file.*;
+import ru.soune.nocopy.entity.AuthToken;
+import ru.soune.nocopy.entity.file.FileType;
+import ru.soune.nocopy.entity.file.FileUploadSession;
+import ru.soune.nocopy.exception.*;
+import ru.soune.nocopy.handler.validator.FileUploadRequestValidator;
+import ru.soune.nocopy.repository.AuthTokenRepository;
+import ru.soune.nocopy.repository.FileUploadSessionRepository;
+import ru.soune.nocopy.service.file.FileUploadService;
+
+import java.util.*;
+import java.util.stream.Collectors;
+
+@Slf4j
+@Component
+@RequiredArgsConstructor
+public class FileUploadHandler implements RequestHandler {
+    private final FileUploadService fileUploadService;
+
+    private final AuthTokenRepository authTokenRepository;
+
+    private final FileUploadSessionRepository fileUploadSessionRepository;
+
+    private final ObjectMapper objectMapper;
+
+    private final FileUploadRequestValidator fileUploadRequestValidator;
+
+    @Value("${file.storage.max-file-size}")
+    private long maxFileSize;
+
+    @Override
+    public BaseResponse handle(BaseRequest request) {
+        try {
+            FileUploadRequest fileRequest = objectMapper.convertValue(
+                    request.getMessageBody(), FileUploadRequest.class);
+
+            String action = fileRequest.getAction();
+
+            switch (action) {
+                case "init":
+                    return handleInitUpload(request, fileRequest);
+                case "file_types":
+                    return handleGetFileTypes(request);
+                case "file_extension":
+                    return handleGetFileExtensions(fileRequest, request);
+                case "chunks":
+                    return handleGetChunkStatus(request, fileRequest);
+                case "cancel":
+                    return handleCancelUpload(request, fileRequest);
+                case "progress":
+                    return handleGetProgress(request, fileRequest);
+                default:
+                    ActionResponse response = ActionResponse.builder()
+                            .action(action)
+                            .availableActions(Arrays.asList("init", "file_types", "chunks", "cancel", "progress"))
+                            .build();
+
+                    return new BaseResponse(request.getMsgId(), MessageCode.INVALID_ACTION.getCode(),
+                            "Invalid action: " + action, response);
+            }
+        } catch (Exception e) {
+            log.error("Error in FileUploadHandler", e);
+            return new BaseResponse(request.getMsgId(), MessageCode.FILE_UPLOAD_ERROR.getCode(),
+                    "Handler error: " + e.getMessage(), null);
+        }
+    }
+
+    private BaseResponse handleInitUpload(BaseRequest request, FileUploadRequest fileRequest) {
+            String token = fileRequest.getToken();
+
+            Optional<AuthToken> tokenOptional = authTokenRepository.findByToken(token);
+
+            if (tokenOptional.isEmpty()) {
+                return new BaseResponse(request.getMsgId(), MessageCode.INVALID_TOKEN.getCode(),
+                        MessageCode.INVALID_TOKEN.getDescription(), Map.of("token", token));
+            }
+
+            AuthToken authToken = tokenOptional.orElseThrow(() -> new NotFoundAuthToken("Token not found"));
+
+            BindingResult bindingResult = new BeanPropertyBindingResult(fileRequest, "fileRequest");
+            fileUploadRequestValidator.validate(fileRequest, bindingResult);
+
+            if (bindingResult.hasErrors()) {
+                Map<String, String> fieldErrors = bindingResult.getFieldErrors()
+                        .stream()
+                        .collect(Collectors.toMap(
+                                FieldError::getField,
+                                fieldError -> fieldError.getDefaultMessage() != null
+                                        ? fieldError.getDefaultMessage()
+                                        : "Validation error"));
+
+                return new BaseResponse(request.getMsgId(), MessageCode.INVALID_FIELD.getCode(),
+                        MessageCode.INVALID_FIELD.getDescription(), fieldErrors);
+            }
+
+            FileUploadSession session = fileUploadService.initUpload(
+                    authToken.getUser().getId(),
+                    fileRequest.getFileName(),
+                    fileRequest.getFileType(),
+                    fileRequest.getExtension(),
+                    fileRequest.getFileSize());
+
+            InitFileResponse fileResponse = InitFileResponse.builder()
+                    .uploadId(session.getUploadId())
+                    .fileName(session.getFileName())
+                    .totalChunks(session.getTotalChunks())
+                    .chunkSize(session.getChunkSize())
+                    .status(session.getStatus().toString())
+                    .build();
+
+            return new BaseResponse(request.getMsgId(), MessageCode.SUCCESS.getCode(),
+                    MessageCode.SUCCESS.getDescription(), fileResponse);
+    }
+
+    private BaseResponse handleGetProgress(BaseRequest request, FileUploadRequest fileRequest) {
+        try {
+            ru.soune.nocopy.dto.file.UploadProgressResponse progress =
+                    fileUploadService.getUploadProgress(fileRequest.getUploadId());
+
+            UploadProgressResponse responseDto = UploadProgressResponse.builder()
+                    .uploadId(progress.getUploadId())
+                    .fileName(progress.getFileName())
+                    .totalChunks(progress.getTotalChunks())
+                    .uploadedChunks(progress.getUploadedChunks())
+                    .status(progress.getStatus())
+                    .progressPercentage(progress.getProgressPercentage())
+                    .filePath(progress.getFilePath())
+                    .build();
+
+            return new BaseResponse(request.getMsgId(), MessageCode.SUCCESS.getCode(),
+                    MessageCode.SUCCESS.getDescription(), responseDto);
+
+        } catch (UploadSessionNotFoundException e) {
+            return new BaseResponse(request.getMsgId(), MessageCode.FILE_NOT_FOUND.getCode(),
+                    MessageCode.FILE_NOT_FOUND.getDescription(), null);
+        } catch (Exception e) {
+            log.error("Error getting progress", e);
+            return new BaseResponse(request.getMsgId(), MessageCode.FILE_UPLOAD_ERROR.getCode(),
+                    MessageCode.FILE_UPLOAD_ERROR.getDescription(), null);
+        }
+    }
+
+    private BaseResponse handleCancelUpload(BaseRequest request, FileUploadRequest fileRequest) {
+        try {
+            fileUploadService.cancelUpload(fileRequest.getUploadId());
+
+            CanceledUploadResponse response = CanceledUploadResponse.builder()
+                    .uploadId(fileRequest.getUploadId())
+                    .message("Upload cancelled successfully")
+                    .build();
+
+            return new BaseResponse(request.getMsgId(), MessageCode.SUCCESS.getCode(),
+                    "Upload cancelled successfully", response);
+
+        } catch (UploadSessionNotFoundException e) {
+            return new BaseResponse(request.getMsgId(), MessageCode.FILE_NOT_FOUND.getCode(),
+                    "Upload session not found", null);
+        } catch (FileUploadException e) {
+            return new BaseResponse(request.getMsgId(), MessageCode.FILE_UPLOAD_ERROR.getCode(), e.getMessage(), null);
+        } catch (Exception e) {
+            log.error("Error cancelling upload", e);
+            return new BaseResponse(request.getMsgId(), MessageCode.FILE_UPLOAD_ERROR.getCode(),
+                    "Failed to cancel upload", null);
+        }
+    }
+
+    private BaseResponse handleRetryUpload(BaseRequest request, FileUploadRequest fileRequest) {
+        try {
+            fileUploadService.retryFailedUpload(fileRequest.getUploadId());
+            ru.soune.nocopy.dto.file.UploadProgressResponse progress =
+                    fileUploadService.getUploadProgress(fileRequest.getUploadId());
+
+            RetryUploadResponse response = RetryUploadResponse.builder()
+                    .uploadId(progress.getUploadId())
+                    .message("Upload retry initiated")
+                    .status(progress.getStatus().toString())
+                    .build();
+
+            return new BaseResponse(request.getMsgId(), MessageCode.SUCCESS.getCode(), "Upload retry initiated",
+                    response);
+
+        } catch (UploadSessionNotFoundException e) {
+            return new BaseResponse(request.getMsgId(), MessageCode.FILE_NOT_FOUND.getCode(),
+                    "Upload session not found", null);
+        } catch (FileUploadException e) {
+            return new BaseResponse(request.getMsgId(), MessageCode.FILE_UPLOAD_ERROR.getCode(), e.getMessage(),
+                    null);
+        } catch (Exception e) {
+            log.error("Error retrying upload", e);
+            return new BaseResponse(request.getMsgId(), MessageCode.FILE_UPLOAD_ERROR.getCode(),
+                    "Failed to retry upload", null);
+        }
+    }
+
+    private BaseResponse handleGetChunkStatus(BaseRequest request, FileUploadRequest fileRequest) {
+        try {
+            FileUploadSession session = fileUploadSessionRepository.findById(fileRequest.getUploadId())
+                    .orElseThrow(() -> new UploadSessionNotFoundException(fileRequest.getUploadId()));
+
+            Map<String, Boolean> chunkStatus = new HashMap<>();
+            for (int i = 0; i < session.getTotalChunks(); i++) {
+                chunkStatus.put("chunk_" + i, session.getChunkPaths().containsKey(i));
+            }
+
+            ChunkStatusResponse response = ChunkStatusResponse.builder()
+                    .uploadId(fileRequest.getUploadId())
+                    .totalChunks(session.getTotalChunks())
+                    .uploadedChunks(session.getChunksUploaded())
+                    .missingChunks(session.getTotalChunks() - session.getChunksUploaded())
+                    .chunkStatus(chunkStatus)
+                    .build();
+
+            return new BaseResponse(request.getMsgId(), MessageCode.SUCCESS.getCode(),
+                    MessageCode.SUCCESS.getDescription(), response);
+
+        } catch (UploadSessionNotFoundException e) {
+            return new BaseResponse(request.getMsgId(), MessageCode.FILE_NOT_FOUND.getCode(),
+                    "Upload session not found", null);
+        } catch (Exception e) {
+            log.error("Error getting chunk status", e);
+            return new BaseResponse(request.getMsgId(),
+                    MessageCode.FILE_UPLOAD_ERROR.getCode(), "Failed to get chunk status",
+                    null);
+        }
+    }
+
+    private BaseResponse handleGetFileTypes(BaseRequest request) {
+        try {
+            FileTypesResponse response = FileTypesResponse.builder()
+                    .fileTypes(Arrays.asList(FileType.values()))
+                    .count(FileType.values().length)
+                    .build();
+
+            return new BaseResponse(request.getMsgId(), MessageCode.SUCCESS.getCode(),
+                    MessageCode.SUCCESS.getDescription(), response);
+
+        } catch (Exception e) {
+            log.error("Error getting file types", e);
+            return new BaseResponse(request.getMsgId(), MessageCode.FILE_UPLOAD_ERROR.getCode(),
+                    "Failed to get file types", null);
+        }
+    }
+
+    private BaseResponse handleGetFileExtensions(FileUploadRequest fileRequest, BaseRequest request) {
+        try {
+            FileType fileType = FileType.valueOf(fileRequest.getFileType().toUpperCase());
+            List<String> allowedExtensions = fileType.getAllowedExtensions();
+
+            FileExtensionResponse response = FileExtensionResponse.builder()
+                    .extension(allowedExtensions)
+                    .count(allowedExtensions.size())
+                    .maxFileSize(maxFileSize)
+                    .build();
+
+            return new BaseResponse(request.getMsgId(), MessageCode.SUCCESS.getCode(),
+                    MessageCode.SUCCESS.getDescription(), response);
+        } catch (Exception e) {
+            log.error("Error getting file extensions", e);
+            return new BaseResponse(request.getMsgId(), MessageCode.FILE_UPLOAD_ERROR.getCode(),
+                    "Failed to get file extensions", null);
+        }
+    }
+}

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

@@ -1,4 +1,4 @@
-package ru.soune.no_copy.handler;
+package ru.soune.nocopy.handler;
 
 import lombok.AllArgsConstructor;
 import org.springframework.context.support.DefaultMessageSourceResolvable;
@@ -8,7 +8,7 @@ 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.no_copy.exception.*;
+import ru.soune.nocopy.exception.*;
 
 import java.util.Map;
 
@@ -29,15 +29,13 @@ public class GlobalExceptionHandler {
                         "message" ,message));
     }
 
-    @ExceptionHandler(UserAlreadyExistsException.class)
+    @ExceptionHandler(NotValidFieldException.class)
-    @ResponseStatus(HttpStatus.CONFLICT)
+    @ResponseStatus(HttpStatus.OK)
-    public ResponseEntity<?> handleUserContainsException(UserAlreadyExistsException ex) {
+    public ResponseEntity<?> handleUserContainsException(NotValidFieldException ex) {
-        return ResponseEntity.
+
-                badRequest()
+        return ResponseEntity
-                .body(Map.of(
+                .ok()
-                        "success", false,
+                .body(ex.getBaseResponse());
-                        "message" ,ex.getMessage()
-                ));
     }
 
     @ExceptionHandler(UserNotFoundException.class)

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

@@ -0,0 +1,37 @@
+package ru.soune.nocopy.handler;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+import ru.soune.nocopy.dto.BaseRequest;
+import ru.soune.nocopy.dto.BaseResponse;
+import ru.soune.nocopy.dto.MessageCode;
+import ru.soune.nocopy.dto.file.ImageSearchRequest;
+import ru.soune.nocopy.dto.file.YandexSearchResponse;
+import ru.soune.nocopy.service.YandexSearchService;
+
+@Slf4j
+@Component
+@RequiredArgsConstructor
+public class ImageFoundRequestHandler implements RequestHandler {
+
+    private final ObjectMapper objectMapper;
+
+    @Autowired
+    private final YandexSearchService yandexSearchService;
+
+    @Override
+    public BaseResponse handle(BaseRequest request) throws Exception {
+        ImageSearchRequest imageSearchRequest = objectMapper.convertValue(request.getMessageBody(),
+                ImageSearchRequest.class);
+
+        String fileId = imageSearchRequest.getFileId();
+
+        YandexSearchResponse response = yandexSearchService.searchByFileEntity(fileId);
+
+        return new BaseResponse(request.getMsgId(), MessageCode.SUCCESS.getCode(),
+                MessageCode.SUCCESS.getDescription(), response);
+    }
+}

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

@@ -1,4 +1,4 @@
-package ru.soune.no_copy.handler;
+package ru.soune.nocopy.handler;
 
 import org.springframework.stereotype.Component;
 

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

@@ -0,0 +1,44 @@
+package ru.soune.nocopy.handler;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Component;
+import ru.soune.nocopy.dto.*;
+import ru.soune.nocopy.entity.AuthToken;
+import ru.soune.nocopy.exception.NotValidFieldException;
+import ru.soune.nocopy.repository.UserRepository;
+import ru.soune.nocopy.service.AuthService;
+
+import java.util.Arrays;
+import java.util.Map;
+
+@Component
+@RequiredArgsConstructor
+public class LoginRequestHandler implements RequestHandler {
+
+    private final UserRepository userRepository;
+    private final AuthService authService;
+    private final ObjectMapper objectMapper;
+
+    @Override
+    public BaseResponse handle(BaseRequest request) {
+        LoginRequest loginRequest = objectMapper.convertValue(request.getMessageBody(), LoginRequest.class);
+
+        if (!userRepository.existsByEmail(loginRequest.getEmail())) {
+            LoginAnswer loginAnswer = new LoginAnswer();
+            loginAnswer.setFieldErrors(Arrays.asList(Map.of("email", loginRequest.getEmail())));
+
+            throw new NotValidFieldException("User with email not found: " + loginRequest.getEmail(),
+                    new BaseResponse(request.getMsgId(), MessageCode.AUTH_EMAIL_NOT_FOUND.getCode(),
+                            MessageCode.AUTH_EMAIL_NOT_FOUND.getDescription(), loginAnswer));
+        }
+
+        AuthToken authToken = authService.login(loginRequest);
+
+        LoginAnswer loginAnswer = new LoginAnswer();
+        loginAnswer.setToken(authToken.getToken());
+
+        return new BaseResponse(request.getMsgId(), MessageCode.SUCCESS.getCode(),
+                MessageCode.SUCCESS.getDescription(), loginAnswer);
+    }
+}

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

@@ -0,0 +1,56 @@
+package ru.soune.nocopy.handler;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Component;
+import ru.soune.nocopy.dto.*;
+import ru.soune.nocopy.entity.AuthToken;
+import ru.soune.nocopy.entity.User;
+import ru.soune.nocopy.exception.NotValidFieldException;
+import ru.soune.nocopy.repository.AuthTokenRepository;
+import ru.soune.nocopy.repository.UserRepository;
+import ru.soune.nocopy.service.AuthService;
+
+import java.util.Objects;
+import java.util.Optional;
+
+@Component
+@RequiredArgsConstructor
+public class LogoutRequestHandler implements RequestHandler {
+
+    private final AuthService authService;
+
+    private final AuthTokenRepository authTokenRepository;
+
+    private final ObjectMapper objectMapper;
+
+    private final UserRepository userRepository;
+
+    @Override
+    public BaseResponse handle(BaseRequest request) {
+        LogoutRequest logoutRequest = objectMapper.convertValue(request.getMessageBody(), LogoutRequest.class);
+
+        Optional<AuthToken> opToken = authTokenRepository.findByToken(logoutRequest.getToken());
+        Optional<User> user = userRepository.findByEmail(logoutRequest.getEmail());
+
+        if (opToken.isEmpty() || user.isEmpty()) {
+            throw new NotValidFieldException("User with email or token not found",
+                    new BaseResponse(request.getMsgId(), MessageCode.AUTH_EMAIL_OR_TOKEN_NOT_FOUND.getCode(),
+                            MessageCode.AUTH_EMAIL_OR_TOKEN_NOT_FOUND.getDescription(),
+                            new LogoutRequest(logoutRequest.getEmail(), logoutRequest.getToken())));
+        }
+
+        if (!Objects.equals(opToken.get().getUser().getId(), user.get().getId())) {
+            throw new NotValidFieldException("User token mismatch with user",
+                    new BaseResponse(request.getMsgId(), MessageCode.AUTH_TOKEN_MISMATCH.getCode(),
+                            MessageCode.AUTH_TOKEN_MISMATCH.getDescription(),
+                            new LogoutRequest(logoutRequest.getEmail(), logoutRequest.getToken())));
+        }
+
+
+        authService.logout(logoutRequest.getToken());
+
+        return new BaseResponse(request.getMsgId(), MessageCode.SUCCESS.getCode(), MessageCode.SUCCESS.getDescription(),
+                new LogOutAnswer(logoutRequest.getEmail()));
+    }
+}

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

@@ -0,0 +1,62 @@
+package ru.soune.nocopy.handler;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Component;
+import org.springframework.validation.BeanPropertyBindingResult;
+import org.springframework.validation.BindingResult;
+import ru.soune.nocopy.dto.*;
+import ru.soune.nocopy.entity.AuthToken;
+import ru.soune.nocopy.exception.NotValidFieldException;
+import ru.soune.nocopy.exception.ValidationException;
+import ru.soune.nocopy.handler.validator.RegRequestValidator;
+import ru.soune.nocopy.repository.UserRepository;
+import ru.soune.nocopy.service.AuthService;
+
+import java.util.Arrays;
+import java.util.Map;
+
+@Slf4j
+@Component
+@RequiredArgsConstructor
+public class RegRequestHandler implements RequestHandler {
+    private final UserRepository userRepository;
+
+    private final RegRequestValidator regRequestValidator;
+
+    private final AuthService authService;
+
+    private final ObjectMapper objectMapper;
+
+    @Override
+    public BaseResponse handle(BaseRequest request) throws ValidationException {
+        RegRequest regRequest = objectMapper.convertValue(request.getMessageBody(), RegRequest.class);
+
+        if (userRepository.existsByEmail(regRequest.getEmail()) || userRepository.existsByPhone(regRequest.getPhone())) {
+            RegAnswer regAnswer = new RegAnswer();
+            regAnswer.setFieldErrors(Arrays.asList(Map.of("email", regRequest.getEmail())));
+            regAnswer.setFieldErrors(Arrays.asList(Map.of("phone", regRequest.getPhone())));
+
+            throw new NotValidFieldException("User already exists with email:" + regRequest.getEmail() + " or phone: " +
+                    regRequest.getPhone(), new BaseResponse(request.getMsgId(),
+                    MessageCode.REG_EMAIL_OR_PHONE_EXISTS.getCode(),
+                    MessageCode.REG_EMAIL_OR_PHONE_EXISTS.getDescription(), regAnswer));
+        }
+
+        BindingResult bindingResult = new BeanPropertyBindingResult(regRequest, "regRequest");
+        regRequestValidator.validate(regRequest, bindingResult);
+
+        if (bindingResult.hasErrors()) {
+            throw new ValidationException(bindingResult, request.getMsgId());
+        }
+
+        AuthToken authToken = authService.register(regRequest);
+
+        RegAnswer regAnswer = new RegAnswer();
+        regAnswer.setToken(authToken.getToken());
+
+        return new BaseResponse(request.getMsgId(), MessageCode.SUCCESS.getCode(),
+                MessageCode.SUCCESS.getDescription(), regAnswer);
+    }
+}