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