154 lines
5.3 KiB
Python
154 lines
5.3 KiB
Python
# services/sales/app/main.py
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"""
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Sales Service Main Application
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"""
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from fastapi import FastAPI
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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 shared.service_base import StandardFastAPIService
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# Import API routers
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from app.api import sales_records, sales_operations, analytics, internal_demo, audit, batch
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class SalesService(StandardFastAPIService):
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"""Sales 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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sales_expected_tables = ['sales_data', 'sales_import_jobs']
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super().__init__(
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service_name="sales-service",
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app_name="Bakery Sales Service",
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description="Sales data management service for bakery operations",
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version="1.0.0",
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log_level=settings.LOG_LEVEL,
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cors_origins=settings.CORS_ORIGINS,
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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=sales_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 sales service"""
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# Register custom metrics
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self.register_custom_metrics({
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"sales_records_created_total": {
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"type": "counter",
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"description": "Total sales records created"
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},
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"sales_records_updated_total": {
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"type": "counter",
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"description": "Total sales records updated"
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},
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"sales_queries_total": {
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"type": "counter",
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"description": "Sales record queries"
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},
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"product_queries_total": {
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"type": "counter",
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"description": "Product catalog queries"
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},
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"import_jobs_total": {
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"type": "counter",
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"description": "Data import jobs"
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},
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"export_jobs_total": {
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"type": "counter",
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"description": "Data export jobs"
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},
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"sales_create_duration_seconds": {
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"type": "histogram",
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"description": "Sales record creation duration"
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},
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"sales_query_duration_seconds": {
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"type": "histogram",
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"description": "Sales query duration"
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},
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"import_processing_duration_seconds": {
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"type": "histogram",
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"description": "Import processing duration"
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},
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"export_generation_duration_seconds": {
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"type": "histogram",
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"description": "Export generation duration"
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}
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})
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async def on_shutdown(self, app: FastAPI):
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"""Custom shutdown logic for sales service"""
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# Database cleanup is handled by the base class
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pass
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def get_service_features(self):
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"""Return sales-specific features"""
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return [
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"sales_data_management",
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"product_catalog",
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"data_import_export",
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"sales_analytics",
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"performance_tracking"
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]
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def setup_custom_endpoints(self):
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"""Setup custom endpoints for sales service"""
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@self.app.get("/")
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async def root():
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"""Root endpoint"""
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return {
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"service": "Sales Service",
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"version": "1.0.0",
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"status": "running",
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"endpoints": {
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"health": "/health",
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"docs": "/docs",
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"sales": "/api/v1/sales",
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"products": "/api/v1/products"
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}
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}
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# Create service instance
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service = SalesService()
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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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# Setup custom endpoints
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service.setup_custom_endpoints()
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# Include routers
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# IMPORTANT: Register audit router FIRST to avoid route matching conflicts
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service.add_router(audit.router)
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service.add_router(batch.router)
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service.add_router(sales_records.router)
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service.add_router(sales_operations.router)
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service.add_router(analytics.router)
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service.add_router(internal_demo.router) |