Initial commit

backend/app/core/config.py

@@ -0,0 +1,142 @@
+"""
+Core Configuration - ServiceManagerWeb
+
+Configuración centralizada usando Pydantic Settings v2
+"""
+
+from functools import lru_cache
+from typing import List, Optional
+from pydantic_settings import BaseSettings
+from pydantic import field_validator, Field
+import os
+
+
+class Settings(BaseSettings):
+    """Configuración de la aplicación."""
+    
+    model_config = {
+        "env_file": ".env",
+        "env_file_encoding": "utf-8",
+        "case_sensitive": False
+    }
+    
+    # ===================================
+    # GENERAL
+    # ===================================
+    ENVIRONMENT: str = Field(default="development", env="ENVIRONMENT")
+    DEBUG: bool = Field(default=False, env="DEBUG")
+    SECRET_KEY: str = Field(..., env="SECRET_KEY")
+    API_VERSION: str = Field(default="v1", env="API_VERSION")
+    
+    # ===================================
+    # DATABASE
+    # ===================================
+    DATABASE_URL: str = Field(..., env="DATABASE_URL")
+    
+    # ===================================
+    # REDIS
+    # ===================================
+    REDIS_URL: str = Field(..., env="REDIS_URL")
+    
+    # ===================================
+    # JWT AUTHENTICATION
+    # ===================================
+    JWT_SECRET_KEY: str = Field(..., env="JWT_SECRET_KEY")
+    JWT_ALGORITHM: str = Field(default="HS256", env="JWT_ALGORITHM")
+    ACCESS_TOKEN_EXPIRE_MINUTES: int = Field(default=60, env="ACCESS_TOKEN_EXPIRE_MINUTES")
+    REFRESH_TOKEN_EXPIRE_DAYS: int = Field(default=7, env="REFRESH_TOKEN_EXPIRE_DAYS")
+    
+    # ===================================
+    # CORS
+    # ===================================
+    CORS_ORIGINS: str = Field(
+        default="http://localhost:3000,http://localhost:3001",
+        env="CORS_ORIGINS"
+    )
+    
+    # ===================================
+    # EMAIL
+    # ===================================
+    SMTP_HOST: str = Field(default="localhost", env="SMTP_HOST")
+    SMTP_PORT: int = Field(default=587, env="SMTP_PORT")
+    SMTP_USER: Optional[str] = Field(default=None, env="SMTP_USER")
+    SMTP_PASSWORD: Optional[str] = Field(default=None, env="SMTP_PASSWORD")
+    SMTP_USE_TLS: bool = Field(default=True, env="SMTP_USE_TLS")
+    SMTP_USE_SSL: bool = Field(default=False, env="SMTP_USE_SSL")
+    
+    DEFAULT_FROM_EMAIL: str = Field(default="noreply@servicemanager.local", env="DEFAULT_FROM_EMAIL")
+    DEFAULT_FROM_NAME: str = Field(default="ServiceManager", env="DEFAULT_FROM_NAME")
+    
+    # ===================================
+    # FILE UPLOADS
+    # ===================================
+    MAX_UPLOAD_SIZE_MB: int = Field(default=10, env="MAX_UPLOAD_SIZE_MB")
+    ALLOWED_FILE_EXTENSIONS: List[str] = Field(
+        default=["pdf", "jpg", "jpeg", "png", "doc", "docx", "xls", "xlsx", "txt"],
+        env="ALLOWED_FILE_EXTENSIONS"
+    )
+    UPLOAD_PATH: str = Field(default="/app/uploads", env="UPLOAD_PATH")
+    
+    @field_validator("ALLOWED_FILE_EXTENSIONS", mode='before')
+    @classmethod
+    def validate_file_extensions(cls, v):
+        if isinstance(v, str):
+            return [ext.strip().lower() for ext in v.split(",")]
+        return [ext.lower() for ext in v]
+    
+    # ===================================
+    # SECURITY
+    # ===================================
+    RATE_LIMIT_ENABLED: bool = Field(default=True, env="RATE_LIMIT_ENABLED")
+    PASSWORD_MIN_LENGTH: int = Field(default=8, env="PASSWORD_MIN_LENGTH")
+    
+    # Argon2 settings
+    ARGON2_TIME_COST: int = Field(default=3, env="ARGON2_TIME_COST")
+    ARGON2_MEMORY_COST: int = Field(default=65536, env="ARGON2_MEMORY_COST")
+    ARGON2_PARALLELISM: int = Field(default=4, env="ARGON2_PARALLELISM")
+    
+    # ===================================
+    # LOGGING
+    # ===================================
+    LOG_LEVEL: str = Field(default="INFO", env="LOG_LEVEL")
+    LOG_FORMAT: str = Field(default="json", env="LOG_FORMAT")
+    LOG_FILE: Optional[str] = Field(default=None, env="LOG_FILE")
+    
+    # ===================================
+    # FRONTEND URLS
+    # ===================================
+    CLIENT_FRONTEND_URL: str = Field(default="http://localhost:3000", env="CLIENT_FRONTEND_URL")
+    INTERNAL_FRONTEND_URL: str = Field(default="http://localhost:3001", env="INTERNAL_FRONTEND_URL")
+    
+    # ===================================
+    # HEALTH CHECKS
+    # ===================================
+    HEALTH_CHECK_TIMEOUT: int = Field(default=30, env="HEALTH_CHECK_TIMEOUT")
+    
+    # ===================================
+    # CELERY
+    # ===================================
+    CELERY_BROKER_URL: str = Field(..., env="CELERY_BROKER_URL")
+    CELERY_RESULT_BACKEND: str = Field(..., env="CELERY_RESULT_BACKEND")
+    
+    def is_production(self) -> bool:
+        """Check if environment is production."""
+        return self.ENVIRONMENT.lower() == "production"
+    
+    def is_development(self) -> bool:
+        """Check if environment is development."""
+        return self.ENVIRONMENT.lower() == "development"
+    
+    def is_testing(self) -> bool:
+        """Check if environment is testing."""
+        return self.ENVIRONMENT.lower() == "testing"
+
+
+@lru_cache()
+def get_settings() -> Settings:
+    """
+    Get cached settings instance.
+    
+    Using lru_cache to create a singleton pattern for settings.
+    """
+    return Settings()