79 lines
2.3 KiB
Python
79 lines
2.3 KiB
Python
# ================================================================
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# services/orders/app/core/database.py
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# ================================================================
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"""
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Orders Service Database Configuration
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"""
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from sqlalchemy import create_engine, text
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from sqlalchemy.ext.asyncio import create_async_engine, async_sessionmaker, AsyncSession
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from sqlalchemy.orm import sessionmaker, DeclarativeBase
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import structlog
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from typing import AsyncGenerator
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from app.core.config import settings
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logger = structlog.get_logger()
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# Create async engine
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async_engine = create_async_engine(
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settings.DATABASE_URL,
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echo=settings.DEBUG,
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pool_size=10,
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max_overflow=20,
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pool_pre_ping=True,
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pool_recycle=3600
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)
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# Create async session factory
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AsyncSessionLocal = async_sessionmaker(
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bind=async_engine,
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class_=AsyncSession,
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expire_on_commit=False
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)
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# Base class for models
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class Base(DeclarativeBase):
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pass
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async def get_db() -> AsyncGenerator[AsyncSession, None]:
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"""Get database session"""
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async with AsyncSessionLocal() as session:
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try:
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yield session
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except Exception as e:
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await session.rollback()
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logger.error("Database session error", error=str(e))
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raise
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finally:
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await session.close()
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async def init_database():
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"""Initialize database tables"""
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try:
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async with async_engine.begin() as conn:
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# Import all models to ensure they are registered
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from app.models.order import CustomerOrder, OrderItem, OrderStatusHistory
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from app.models.customer import Customer, CustomerContact
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from app.models.procurement import ProcurementPlan, ProcurementRequirement
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# Create all tables
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await conn.run_sync(Base.metadata.create_all)
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logger.info("Orders database initialized successfully")
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except Exception as e:
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logger.error("Failed to initialize orders database", error=str(e))
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raise
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async def get_db_health() -> bool:
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"""Check database health"""
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try:
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async with async_engine.begin() as conn:
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await conn.execute(text("SELECT 1"))
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return True
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except Exception as e:
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logger.error("Database health check failed", error=str(e))
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return False |