113 lines
4.5 KiB
Python
113 lines
4.5 KiB
Python
# ================================================================
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# services/data/app/api/traffic.py - FIXED VERSION
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# ================================================================
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"""Traffic data API endpoints with improved error handling"""
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from fastapi import APIRouter, Depends, HTTPException, Query, Path
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from typing import List, Dict, Any
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from datetime import datetime, timedelta
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import structlog
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from uuid import UUID
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from sqlalchemy.ext.asyncio import AsyncSession
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from app.core.database import get_db
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from app.services.traffic_service import TrafficService
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from app.services.messaging import data_publisher
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from app.schemas.external import (
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TrafficDataResponse,
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HistoricalTrafficRequest
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)
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from shared.auth.decorators import (
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get_current_user_dep
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)
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router = APIRouter(tags=["traffic"])
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traffic_service = TrafficService()
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logger = structlog.get_logger()
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@router.get("/tenants/{tenant_id}/traffic/current", response_model=TrafficDataResponse)
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async def get_current_traffic(
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latitude: float = Query(..., description="Latitude"),
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longitude: float = Query(..., description="Longitude"),
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tenant_id: UUID = Path(..., description="Tenant ID"),
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current_user: Dict[str, Any] = Depends(get_current_user_dep),
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):
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"""Get current traffic data for location"""
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try:
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logger.debug("API: Getting current traffic", lat=latitude, lon=longitude)
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traffic = await traffic_service.get_current_traffic(latitude, longitude)
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if not traffic:
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logger.warning("No traffic data available", lat=latitude, lon=longitude)
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raise HTTPException(status_code=404, detail="Traffic data not available")
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# Publish event (with error handling)
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try:
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await data_publisher.publish_traffic_updated({
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"type": "current_requested",
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"latitude": latitude,
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"longitude": longitude,
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"timestamp": datetime.utcnow().isoformat()
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})
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except Exception as pub_error:
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logger.warning("Failed to publish traffic event", error=str(pub_error))
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# Continue processing - event publishing failure shouldn't break the API
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logger.debug("Successfully returning traffic data",
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volume=traffic.traffic_volume,
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congestion=traffic.congestion_level)
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return traffic
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except HTTPException:
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# Re-raise HTTP exceptions
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raise
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except Exception as e:
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logger.error("Unexpected error in traffic API", error=str(e))
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import traceback
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logger.error("Traffic API traceback", traceback=traceback.format_exc())
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raise HTTPException(status_code=500, detail=f"Internal server error: {str(e)}")
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@router.post("/tenants/{tenant_id}/traffic/historical")
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async def get_historical_traffic(
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request: HistoricalTrafficRequest,
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db: AsyncSession = Depends(get_db),
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tenant_id: UUID = Path(..., description="Tenant ID"),
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current_user: Dict[str, Any] = Depends(get_current_user_dep),
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):
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"""Get historical traffic data with date range in payload"""
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try:
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# Validate date range
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if request.end_date <= request.start_date:
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raise HTTPException(status_code=400, detail="End date must be after start date")
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if (request.end_date - request.start_date).days > 90:
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raise HTTPException(status_code=400, detail="Date range cannot exceed 90 days")
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historical_data = await traffic_service.get_historical_traffic(
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request.latitude, request.longitude, request.start_date, request.end_date, db
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)
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# Publish event (with error handling)
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try:
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await data_publisher.publish_traffic_updated({
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"type": "historical_requested",
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"latitude": request.latitude,
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"longitude": request.longitude,
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"start_date": request.start_date.isoformat(),
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"end_date": request.end_date.isoformat(),
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"records_count": len(historical_data),
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"timestamp": datetime.utcnow().isoformat()
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})
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except Exception as pub_error:
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logger.warning("Failed to publish historical traffic event", error=str(pub_error))
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# Continue processing
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return historical_data
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except HTTPException:
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raise
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except Exception as e:
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logger.error("Unexpected error in historical traffic API", error=str(e))
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raise HTTPException(status_code=500, detail=f"Internal server error: {str(e)}") |