From 39bcd1c16e83140cfa974b7af174d74b950f004f Mon Sep 17 00:00:00 2001
From: bokho <bokhonov7@gmail.com>
Date: Sun, 14 Dec 2025 16:53:08 +0300
Subject: [PATCH] backend initialized

---
 backend/requirements.txt               | 13 +++++++
 backend/src/__init__.py                |  4 +++
 backend/src/application/__init__.py    |  4 +++
 backend/src/domain/__init__.py         |  4 +++
 backend/src/infrastructure/__init__.py |  4 +++
 backend/src/presentation/__init__.py   |  4 +++
 backend/src/shared/__init__.py         |  4 +++
 backend/src/shared/config.py           | 48 ++++++++++++++++++++++++++
 backend/src/shared/exceptions.py       | 35 +++++++++++++++++++
 9 files changed, 120 insertions(+)
 create mode 100644 backend/requirements.txt
 create mode 100644 backend/src/__init__.py
 create mode 100644 backend/src/application/__init__.py
 create mode 100644 backend/src/domain/__init__.py
 create mode 100644 backend/src/infrastructure/__init__.py
 create mode 100644 backend/src/presentation/__init__.py
 create mode 100644 backend/src/shared/__init__.py
 create mode 100644 backend/src/shared/config.py
 create mode 100644 backend/src/shared/exceptions.py

diff --git a/backend/requirements.txt b/backend/requirements.txt
new file mode 100644
index 0000000..40dec95
--- /dev/null
+++ b/backend/requirements.txt
@@ -0,0 +1,13 @@
+fastapi==0.104.1
+uvicorn[standard]==0.24.0
+sqlalchemy[asyncio]==2.0.23
+asyncpg==0.29.0
+alembic==1.12.1
+pydantic==2.5.0
+pydantic-settings==2.1.0
+python-multipart==0.0.6
+httpx==0.25.2
+PyMuPDF==1.23.8
+Pillow==10.2.0
+dishka==0.7.0
+
diff --git a/backend/src/__init__.py b/backend/src/__init__.py
new file mode 100644
index 0000000..d18a9ef
--- /dev/null
+++ b/backend/src/__init__.py
@@ -0,0 +1,4 @@
+"""
+ИИ-юрист система
+"""
+
diff --git a/backend/src/application/__init__.py b/backend/src/application/__init__.py
new file mode 100644
index 0000000..836f8d1
--- /dev/null
+++ b/backend/src/application/__init__.py
@@ -0,0 +1,4 @@
+"""
+Application layer
+"""
+
diff --git a/backend/src/domain/__init__.py b/backend/src/domain/__init__.py
new file mode 100644
index 0000000..7e8decd
--- /dev/null
+++ b/backend/src/domain/__init__.py
@@ -0,0 +1,4 @@
+"""
+Domain layer
+"""
+
diff --git a/backend/src/infrastructure/__init__.py b/backend/src/infrastructure/__init__.py
new file mode 100644
index 0000000..a0b510e
--- /dev/null
+++ b/backend/src/infrastructure/__init__.py
@@ -0,0 +1,4 @@
+"""
+Infrastructure layer
+"""
+
diff --git a/backend/src/presentation/__init__.py b/backend/src/presentation/__init__.py
new file mode 100644
index 0000000..a6a752d
--- /dev/null
+++ b/backend/src/presentation/__init__.py
@@ -0,0 +1,4 @@
+"""
+Presentation layer
+"""
+
diff --git a/backend/src/shared/__init__.py b/backend/src/shared/__init__.py
new file mode 100644
index 0000000..a4fb19c
--- /dev/null
+++ b/backend/src/shared/__init__.py
@@ -0,0 +1,4 @@
+"""
+Shared utilities
+"""
+
diff --git a/backend/src/shared/config.py b/backend/src/shared/config.py
new file mode 100644
index 0000000..0486964
--- /dev/null
+++ b/backend/src/shared/config.py
@@ -0,0 +1,48 @@
+"""
+Конфигурация приложения
+
+"""
+from pydantic_settings import BaseSettings
+from typing import Optional
+
+
+class Settings(BaseSettings):
+    """Настройки (загружаются из .env автоматически)"""
+    
+    POSTGRES_HOST: str = "localhost"
+    POSTGRES_PORT: int = 5432
+    POSTGRES_USER: str = "postgres"
+    POSTGRES_PASSWORD: str = "postgres"
+    POSTGRES_DB: str = "lawyer_ai"
+    
+    QDRANT_HOST: str = "localhost"
+    QDRANT_PORT: int = 6333
+    
+    REDIS_HOST: str = "localhost"
+    REDIS_PORT: int = 6379
+    
+    TELEGRAM_BOT_TOKEN: Optional[str] = None
+    YANDEX_OCR_API_KEY: Optional[str] = None
+    DEEPSEEK_API_KEY: Optional[str] = None
+    
+    YANDEX_OCR_API_URL: str = "https://vision.api.cloud.yandex.net/vision/v1/batchAnalyze"
+    DEEPSEEK_API_URL: str = "https://api.deepseek.com/v1/chat/completions"
+    
+    APP_NAME: str = "ИИ-юрист"
+    DEBUG: bool = False
+    SECRET_KEY: str = "your-secret-key-change-in-production"
+    CORS_ORIGINS: list[str] = ["*"]
+    
+    @property
+    def database_url(self) -> str:
+        """Вычисляемый URL подключения"""
+        return f"postgresql://{self.POSTGRES_USER}:{self.POSTGRES_PASSWORD}@{self.POSTGRES_HOST}:{self.POSTGRES_PORT}/{self.POSTGRES_DB}"
+    
+    class Config:
+        env_file = ".env"
+        case_sensitive = True
+
+
+settings = Settings()
+
+
diff --git a/backend/src/shared/exceptions.py b/backend/src/shared/exceptions.py
new file mode 100644
index 0000000..10162c0
--- /dev/null
+++ b/backend/src/shared/exceptions.py
@@ -0,0 +1,35 @@
+"""
+Кастомные исключения приложения
+"""
+
+
+class LawyerAIException(Exception):
+    """Базовое исключение приложения"""
+    pass
+
+
+class NotFoundError(LawyerAIException):
+    """Ресурс не найден"""
+    pass
+
+
+class UnauthorizedError(LawyerAIException):
+    """Пользователь не авторизован"""
+    pass
+
+
+class ForbiddenError(LawyerAIException):
+    """Доступ запрещен"""
+    pass
+
+
+class ValidationError(LawyerAIException):
+    """Ошибка валидации данных"""
+    pass
+
+
+class DatabaseError(LawyerAIException):
+    """Ошибка базы данных"""
+    pass
+
+