133 lines
4.5 KiB
Python
133 lines
4.5 KiB
Python
# ================================================================
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# services/orders/app/main.py
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# ================================================================
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"""
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Orders Service - FastAPI Application
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Customer orders management service
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"""
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from fastapi import FastAPI, Request
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from sqlalchemy import text
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from app.core.config import settings
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from app.core.database import database_manager
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from app.api.orders import router as orders_router
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from app.api.customers import router as customers_router
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from app.api.order_operations import router as order_operations_router
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from app.api import internal_demo
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from shared.service_base import StandardFastAPIService
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class OrdersService(StandardFastAPIService):
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"""Orders Service with standardized setup"""
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expected_migration_version = "00001"
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async def on_startup(self, app):
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"""Custom startup logic including migration verification"""
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await self.verify_migrations()
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await super().on_startup(app)
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async def verify_migrations(self):
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"""Verify database schema matches the latest migrations."""
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try:
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async with self.database_manager.get_session() as session:
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result = await session.execute(text("SELECT version_num FROM alembic_version"))
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version = result.scalar()
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if version != self.expected_migration_version:
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self.logger.error(f"Migration version mismatch: expected {self.expected_migration_version}, got {version}")
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raise RuntimeError(f"Migration version mismatch: expected {self.expected_migration_version}, got {version}")
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self.logger.info(f"Migration verification successful: {version}")
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except Exception as e:
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self.logger.error(f"Migration verification failed: {e}")
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raise
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def __init__(self):
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# Define expected database tables for health checks
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orders_expected_tables = [
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'customers', 'customer_contacts', 'customer_orders', 'order_items',
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'order_status_history', 'audit_logs'
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]
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super().__init__(
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service_name="orders-service",
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app_name=settings.APP_NAME,
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description=settings.DESCRIPTION,
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version=settings.VERSION,
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api_prefix="", # Empty because RouteBuilder already includes /api/v1
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database_manager=database_manager,
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expected_tables=orders_expected_tables
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)
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async def on_startup(self, app: FastAPI):
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"""Custom startup logic for orders service"""
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# REMOVED: Procurement scheduler service initialization
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# Procurement scheduling is now handled by the Orchestrator Service
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# which calls the Procurement Service's /auto-generate endpoint
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pass
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async def on_shutdown(self, app: FastAPI):
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"""Custom shutdown logic for orders service"""
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# REMOVED: Scheduler service shutdown
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pass
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def get_service_features(self):
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"""Return orders-specific features"""
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return [
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"customer_management",
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"order_processing",
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"order_tracking"
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]
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# Create service instance
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service = OrdersService()
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# Create FastAPI app with standardized setup
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app = service.create_app()
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# Setup standard endpoints
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service.setup_standard_endpoints()
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# Include routers - organized by ATOMIC and BUSINESS operations
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# ATOMIC: Direct CRUD operations
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# NOTE: Register customers_router BEFORE orders_router to ensure /customers
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# matches before the parameterized /{order_id} route
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service.add_router(customers_router)
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service.add_router(orders_router)
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# BUSINESS: Complex operations and workflows
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service.add_router(order_operations_router)
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# INTERNAL: Service-to-service endpoints
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service.add_router(internal_demo.router)
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# REMOVED: test_procurement_scheduler endpoint
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# Procurement scheduling is now triggered by the Orchestrator Service
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@app.middleware("http")
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async def logging_middleware(request: Request, call_next):
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"""Add request logging middleware"""
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import time
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start_time = time.time()
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response = await call_next(request)
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process_time = time.time() - start_time
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service.logger.info("HTTP request processed",
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method=request.method,
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url=str(request.url),
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status_code=response.status_code,
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process_time=round(process_time, 4))
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return response
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if __name__ == "__main__":
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import uvicorn
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uvicorn.run(
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"main:app",
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host="0.0.0.0",
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port=8000,
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reload=settings.DEBUG
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) |