Base Principal del Proyecto

backend/app/core/__init__.py

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+# Core package

backend/app/core/config.py

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+from pydantic_settings import BaseSettings
+from typing import Optional
+
+class Settings(BaseSettings):
+    # Database
+    DATABASE_URL: str
+    
+    # Security
+    SECRET_KEY: str
+    ALGORITHM: str = "HS256"
+    ACCESS_TOKEN_EXPIRE_MINUTES: int = 10080  # 7 días
+    
+    # OpenAI
+    OPENAI_API_KEY: Optional[str] = None
+    
+    # Environment
+    ENVIRONMENT: str = "development"
+    
+    # Uploads
+    UPLOAD_DIR: str = "uploads"
+    MAX_FILE_SIZE: int = 10 * 1024 * 1024  # 10MB
+    
+    class Config:
+        env_file = ".env"
+        case_sensitive = True
+
+settings = Settings()

backend/app/core/database.py

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+from sqlalchemy import create_engine
+from sqlalchemy.ext.declarative import declarative_base
+from sqlalchemy.orm import sessionmaker
+from app.core.config import settings
+
+engine = create_engine(
+    settings.DATABASE_URL,
+    pool_pre_ping=True,
+    echo=settings.ENVIRONMENT == "development"
+)
+
+SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
+
+Base = declarative_base()
+
+def get_db():
+    db = SessionLocal()
+    try:
+        yield db
+    finally:
+        db.close()

backend/app/core/security.py

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+from datetime import datetime, timedelta
+from typing import Optional
+from jose import JWTError, jwt
+from passlib.context import CryptContext
+from app.core.config import settings
+
+pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
+
+def verify_password(plain_password: str, hashed_password: str) -> bool:
+    return pwd_context.verify(plain_password, hashed_password)
+
+def get_password_hash(password: str) -> str:
+    return pwd_context.hash(password)
+
+def create_access_token(data: dict, expires_delta: Optional[timedelta] = None):
+    to_encode = data.copy()
+    if expires_delta:
+        expire = datetime.utcnow() + expires_delta
+    else:
+        expire = datetime.utcnow() + timedelta(minutes=settings.ACCESS_TOKEN_EXPIRE_MINUTES)
+    to_encode.update({"exp": expire})
+    encoded_jwt = jwt.encode(to_encode, settings.SECRET_KEY, algorithm=settings.ALGORITHM)
+    return encoded_jwt
+
+def decode_access_token(token: str):
+    try:
+        payload = jwt.decode(token, settings.SECRET_KEY, algorithms=[settings.ALGORITHM])
+        return payload
+    except JWTError:
+        return None