first commit

app/core/config.py

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+import logging
+import os
+from typing import List, Literal, Optional, Dict
+from urllib.parse import quote_plus
+from pydantic_settings import BaseSettings
+from pydantic import Field
+from dotenv import load_dotenv
+
+load_dotenv()
+
+
+class Settings(BaseSettings):
+    """Конфигурация приложения из переменных окружения"""
+    
+    # Настройки MSSQL
+    MSSQL_SERVER: str = Field(..., env='MSSQL_SERVER')
+    MSSQL_DATABASE: str = Field(..., env='MSSQL_DATABASE')
+    MSSQL_USERNAME: str = Field(..., env='MSSQL_USERNAME')
+    MSSQL_PASSWORD: str = Field(..., env='MSSQL_PASSWORD')
+    MSSQL_DRIVER: str = 'pymssql'
+    
+    # Настройки PostgreSQL
+    POSTGRES_HOST: str = Field(..., env='POSTGRES_HOST')
+    POSTGRES_PORT: int = Field(5432, env='POSTGRES_PORT')
+    POSTGRES_DATABASE: str = Field(..., env='POSTGRES_DATABASE')
+    POSTGRES_USERNAME: str = Field(..., env='POSTGRES_USERNAME')
+    POSTGRES_PASSWORD: str = Field(..., env='POSTGRES_PASSWORD')
+    
+    # Настройки email
+    EMAIL_HOST: str = Field(..., env='EMAIL_HOST')
+    EMAIL_PORT: int = Field(465, env='EMAIL_PORT')
+    EMAIL_USER: str = Field(..., env='EMAIL_USER')
+    EMAIL_PASSWORD: str = Field(..., env='EMAIL_PASSWORD')
+    EMAIL_FROM: str = Field(..., env='EMAIL_FROM')
+    EMAIL_TO: List[str] = Field(default_factory=lambda: ['andrew.brusnitsyn@gmail.com'])
+    EMAIL_SUBJECT: str = 'Результат миграции данных MSSQL → PostgreSQL'
+    
+    # Настройки миграции
+    CHUNK_SIZE: int = Field(1000, env='CHUNK_SIZE')
+    BATCH_SIZE: int = Field(10, env='BATCH_SIZE')
+    TABLES_TO_COPY: List[str] = Field(
+        default_factory=lambda: ['oms_Department']
+    )
+    LIFE_TABLES: List[str] = Field(
+        default_factory=lambda: ['oms_Department']
+    )
+    
+    # Колонки дат для инкрементальной загрузки
+    DEFAULT_DATE_COLUMNS: List[str] = Field(
+        default_factory=lambda: [
+            'DateExtract', 'DateDirection', 'DateRecipient', 'CreateDate',
+            'UpdateDate', 'ModifiedDate', 'ChangeDate', 'LastModified'
+        ]
+    )
+    
+    # Файлы состояния
+    LAST_REPLICATION_FILE: str = 'last_replication.json'
+    LOG_DIR: str = 'logs'
+
+    # Настройки API
+    API_V1_PREFIX: str = '/api/v1'
+    DEBUG: bool = Field(False, env='DEBUG')
+    
+    @property
+    def MSSQL_CONNECTION_STRING(self) -> str:
+        """Формирование строки подключения к MSSQL"""
+        # Для pymssql с Windows аутентификацией используем формат:
+        # mssql+pymssql://domain\\username:password@server:port/database
+        # ИЛИ для trusted connection:
+        # mssql+pymssql://username:password@server:port/database?charset=utf8
+        
+        return rf'mssql+{self.MSSQL_DRIVER}://{self.MSSQL_USERNAME}:{self.MSSQL_PASSWORD}@{self.MSSQL_SERVER}/{self.MSSQL_DATABASE}'
+    
+    @property
+    def POSTGRES_CONNECTION_STRING(self) -> str:
+        """Формирование строки подключения к PostgreSQL"""
+        return rf'postgresql://{self.POSTGRES_USERNAME}:{self.POSTGRES_PASSWORD}@{self.POSTGRES_HOST}:{self.POSTGRES_PORT}/{self.POSTGRES_DATABASE}'
+    
+    class Config:
+        env_file = '.env'
+        case_sensitive = False
+
+
+# Глобальный экземпляр настроек
+settings = Settings()