Create new services: inventory, recipes, suppliers

services/recipes/app/core/__init__.py

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+# services/recipes/app/core/__init__.py

services/recipes/app/core/config.py

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+# services/recipes/app/core/config.py
+"""
+Configuration management for Recipe Service
+"""
+
+import os
+from typing import Optional
+
+
+class Settings:
+    """Recipe service configuration settings"""
+    
+    # Service identification
+    SERVICE_NAME: str = "recipes"
+    SERVICE_VERSION: str = "1.0.0"
+    
+    # API settings
+    API_V1_PREFIX: str = "/api/v1"
+    
+    # Database
+    DATABASE_URL: str = os.getenv(
+        "RECIPES_DATABASE_URL",
+        "postgresql://recipes_user:recipes_pass@localhost:5432/recipes_db"
+    )
+    
+    # Redis (if needed for caching)
+    REDIS_URL: str = os.getenv("REDIS_URL", "redis://localhost:6379/0")
+    
+    # External service URLs
+    INVENTORY_SERVICE_URL: str = os.getenv(
+        "INVENTORY_SERVICE_URL", 
+        "http://inventory:8000"
+    )
+    SALES_SERVICE_URL: str = os.getenv(
+        "SALES_SERVICE_URL", 
+        "http://sales:8000"
+    )
+    
+    # Authentication
+    SECRET_KEY: str = os.getenv("SECRET_KEY", "your-secret-key-here")
+    ACCESS_TOKEN_EXPIRE_MINUTES: int = int(os.getenv("ACCESS_TOKEN_EXPIRE_MINUTES", "30"))
+    
+    # Logging
+    LOG_LEVEL: str = os.getenv("LOG_LEVEL", "INFO")
+    
+    # Production configuration
+    ENVIRONMENT: str = os.getenv("ENVIRONMENT", "development")
+    DEBUG: bool = os.getenv("DEBUG", "False").lower() == "true"
+    
+    # CORS settings
+    ALLOWED_ORIGINS: list = os.getenv("ALLOWED_ORIGINS", "http://localhost:3000").split(",")
+    
+    # Recipe-specific settings
+    MAX_RECIPE_INGREDIENTS: int = int(os.getenv("MAX_RECIPE_INGREDIENTS", "50"))
+    MAX_BATCH_SIZE_MULTIPLIER: float = float(os.getenv("MAX_BATCH_SIZE_MULTIPLIER", "10.0"))
+    DEFAULT_RECIPE_VERSION: str = "1.0"
+    
+    # Production settings
+    MAX_PRODUCTION_BATCHES_PER_DAY: int = int(os.getenv("MAX_PRODUCTION_BATCHES_PER_DAY", "100"))
+    PRODUCTION_SCHEDULE_DAYS_AHEAD: int = int(os.getenv("PRODUCTION_SCHEDULE_DAYS_AHEAD", "7"))
+    
+    # Cost calculation settings
+    OVERHEAD_PERCENTAGE: float = float(os.getenv("OVERHEAD_PERCENTAGE", "15.0"))  # Default 15% overhead
+    LABOR_COST_PER_HOUR: float = float(os.getenv("LABOR_COST_PER_HOUR", "25.0"))  # Default €25/hour
+    
+    # Quality control
+    MIN_QUALITY_SCORE: float = float(os.getenv("MIN_QUALITY_SCORE", "6.0"))  # Minimum acceptable quality score
+    MAX_DEFECT_RATE: float = float(os.getenv("MAX_DEFECT_RATE", "5.0"))  # Maximum 5% defect rate
+    
+    # Messaging/Events (if using message queues)
+    RABBITMQ_URL: Optional[str] = os.getenv("RABBITMQ_URL")
+    KAFKA_BOOTSTRAP_SERVERS: Optional[str] = os.getenv("KAFKA_BOOTSTRAP_SERVERS")
+    
+    # Health check settings
+    HEALTH_CHECK_TIMEOUT: int = int(os.getenv("HEALTH_CHECK_TIMEOUT", "30"))
+    
+    class Config:
+        case_sensitive = True
+
+
+# Global settings instance
+settings = Settings()

services/recipes/app/core/database.py

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+# services/recipes/app/core/database.py
+"""
+Database configuration and session management for Recipe Service
+"""
+
+from sqlalchemy import create_engine
+from sqlalchemy.orm import sessionmaker, Session
+from sqlalchemy.pool import StaticPool
+from contextlib import contextmanager
+from typing import Generator
+
+from .config import settings
+
+
+# Create database engine
+engine = create_engine(
+    settings.DATABASE_URL,
+    poolclass=StaticPool,
+    pool_pre_ping=True,
+    pool_recycle=300,
+    echo=settings.DEBUG,
+)
+
+# Create session factory
+SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
+
+
+def get_db() -> Generator[Session, None, None]:
+    """
+    Dependency to get database session
+    """
+    db = SessionLocal()
+    try:
+        yield db
+    finally:
+        db.close()
+
+
+@contextmanager
+def get_db_context() -> Generator[Session, None, None]:
+    """
+    Context manager for database session
+    """
+    db = SessionLocal()
+    try:
+        yield db
+        db.commit()
+    except Exception:
+        db.rollback()
+        raise
+    finally:
+        db.close()
+
+
+class DatabaseManager:
+    """Database management utilities"""
+    
+    @staticmethod
+    def create_all_tables():
+        """Create all database tables"""
+        from shared.database.base import Base
+        Base.metadata.create_all(bind=engine)
+    
+    @staticmethod
+    def drop_all_tables():
+        """Drop all database tables (for testing)"""
+        from shared.database.base import Base
+        Base.metadata.drop_all(bind=engine)
+    
+    @staticmethod
+    def get_session() -> Session:
+        """Get a new database session"""
+        return SessionLocal()
+
+
+# Database manager instance
+db_manager = DatabaseManager()