Implementación inicial del sistema de automatización de redes sociales

- Estructura completa del proyecto con FastAPI
- Modelos de base de datos (productos, servicios, posts, calendario, interacciones)
- Publishers para X, Threads, Instagram, Facebook
- Generador de contenido con DeepSeek API
- Worker de Celery con tareas programadas
- Dashboard básico con templates HTML
- Docker Compose para despliegue
- Documentación completa

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

app/core/__init__.py

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+# Core module

app/core/config.py

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+"""
+Configuración central del sistema.
+Carga variables de entorno y define settings globales.
+"""
+
+from pydantic_settings import BaseSettings
+from typing import Optional
+
+
+class Settings(BaseSettings):
+    """Configuración de la aplicación."""
+
+    # Aplicación
+    APP_NAME: str = "social-media-automation"
+    APP_ENV: str = "development"
+    DEBUG: bool = True
+    SECRET_KEY: str = "change-this-in-production"
+
+    # Base de datos
+    DATABASE_URL: str = "postgresql://social_user:social_pass@localhost:5432/social_automation"
+
+    # Redis
+    REDIS_URL: str = "redis://localhost:6379/0"
+
+    # DeepSeek API
+    DEEPSEEK_API_KEY: Optional[str] = None
+    DEEPSEEK_BASE_URL: str = "https://api.deepseek.com/v1"
+
+    # X (Twitter) API
+    X_API_KEY: Optional[str] = None
+    X_API_SECRET: Optional[str] = None
+    X_ACCESS_TOKEN: Optional[str] = None
+    X_ACCESS_TOKEN_SECRET: Optional[str] = None
+    X_BEARER_TOKEN: Optional[str] = None
+
+    # Meta API (Facebook, Instagram, Threads)
+    META_APP_ID: Optional[str] = None
+    META_APP_SECRET: Optional[str] = None
+    META_ACCESS_TOKEN: Optional[str] = None
+    FACEBOOK_PAGE_ID: Optional[str] = None
+    INSTAGRAM_ACCOUNT_ID: Optional[str] = None
+    THREADS_USER_ID: Optional[str] = None
+
+    # Información del negocio
+    BUSINESS_NAME: str = "Consultoría AS"
+    BUSINESS_LOCATION: str = "Tijuana, México"
+    BUSINESS_WEBSITE: str = "https://consultoria-as.com"
+    CONTENT_TONE: str = "profesional pero cercano, educativo, orientado a soluciones"
+
+    # Notificaciones
+    TELEGRAM_BOT_TOKEN: Optional[str] = None
+    TELEGRAM_CHAT_ID: Optional[str] = None
+
+    class Config:
+        env_file = ".env"
+        case_sensitive = True
+
+
+# Instancia global de configuración
+settings = Settings()

app/core/database.py

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+"""
+Configuración de la base de datos PostgreSQL.
+"""
+
+from sqlalchemy import create_engine
+from sqlalchemy.orm import sessionmaker, declarative_base
+
+from app.core.config import settings
+
+# Crear engine de SQLAlchemy
+engine = create_engine(
+    settings.DATABASE_URL,
+    pool_pre_ping=True,
+    pool_size=10,
+    max_overflow=20
+)
+
+# Crear sesión
+SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
+
+# Base para modelos
+Base = declarative_base()
+
+
+def get_db():
+    """Dependency para obtener sesión de base de datos."""
+    db = SessionLocal()
+    try:
+        yield db
+    finally:
+        db.close()

app/core/security.py

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+"""
+Configuración de seguridad y autenticación.
+"""
+
+from datetime import datetime, timedelta
+from typing import Optional
+
+from jose import JWTError, jwt
+from passlib.context import CryptContext
+from fastapi import Depends, HTTPException, status
+from fastapi.security import HTTPBearer, HTTPAuthorizationCredentials
+
+from app.core.config import settings
+
+# Configuración de hashing de contraseñas
+pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
+
+# Configuración de JWT
+ALGORITHM = "HS256"
+ACCESS_TOKEN_EXPIRE_MINUTES = 60 * 24  # 24 horas
+
+# Security scheme
+security = HTTPBearer()
+
+
+def verify_password(plain_password: str, hashed_password: str) -> bool:
+    """Verificar contraseña contra hash."""
+    return pwd_context.verify(plain_password, hashed_password)
+
+
+def get_password_hash(password: str) -> str:
+    """Generar hash de contraseña."""
+    return pwd_context.hash(password)
+
+
+def create_access_token(data: dict, expires_delta: Optional[timedelta] = None) -> str:
+    """Crear token JWT."""
+    to_encode = data.copy()
+
+    if expires_delta:
+        expire = datetime.utcnow() + expires_delta
+    else:
+        expire = datetime.utcnow() + timedelta(minutes=ACCESS_TOKEN_EXPIRE_MINUTES)
+
+    to_encode.update({"exp": expire})
+    encoded_jwt = jwt.encode(to_encode, settings.SECRET_KEY, algorithm=ALGORITHM)
+
+    return encoded_jwt
+
+
+def decode_token(token: str) -> dict:
+    """Decodificar y validar token JWT."""
+    try:
+        payload = jwt.decode(token, settings.SECRET_KEY, algorithms=[ALGORITHM])
+        return payload
+    except JWTError:
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED,
+            detail="Token inválido o expirado",
+            headers={"WWW-Authenticate": "Bearer"},
+        )
+
+
+async def get_current_user(
+    credentials: HTTPAuthorizationCredentials = Depends(security)
+) -> dict:
+    """Obtener usuario actual desde el token."""
+    token = credentials.credentials
+    payload = decode_token(token)
+
+    username = payload.get("sub")
+    if username is None:
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED,
+            detail="Token inválido"
+        )
+
+    return {"username": username}