127 lines
5.2 KiB
Python
127 lines
5.2 KiB
Python
import httpx
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import logging
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import asyncio
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import os
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from typing import Optional
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from schemas import NormalizedVitals
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from config import settings
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logger = logging.getLogger(__name__)
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_http_client: Optional[httpx.AsyncClient] = None
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def get_http_client() -> httpx.AsyncClient:
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global _http_client
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if _http_client is None or _http_client.is_closed:
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_http_client = httpx.AsyncClient(
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timeout=httpx.Timeout(connect=5.0, read=5.0, write=5.0, pool=10.0),
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limits=httpx.Limits(max_keepalive_connections=20, max_connections=50)
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)
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return _http_client
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def get_cloud_base_url() -> str:
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url = getattr(settings, "cloud_api_url", None) or os.getenv("CLOUD_API_URL") or "https://services-api.a2zhealth.in/v1/contec-monitor"
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return url.rstrip("/")
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async def forward_vitals_to_api(vitals: NormalizedVitals) -> bool:
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"""
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Attempts to POST the normalized vitals to the configured target API
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and to the Cloud server concurrently.
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Returns True if at least one forward succeeds.
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"""
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headers = {"Content-Type": "application/json"}
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# Strip heavy wave sample arrays before REST transmission (cloud APIs only ingest vital signs)
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payload = vitals.model_dump(mode="json")
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payload.pop("ecg_wave", None)
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payload.pop("pleth_wave", None)
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if not payload.get("patient_id"):
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payload["patient_id"] = "UNKNOWN"
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client = get_http_client()
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# 1. Forward to primary target API (e.g. Injomo Dev Workflow)
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async def _forward_primary() -> bool:
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primary_url = settings.target_api_url
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if not primary_url:
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return False
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try:
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primary_headers = headers.copy()
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if settings.api_token:
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primary_headers["Authorization"] = f"Bearer {settings.api_token}"
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response = await client.post(
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primary_url,
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json=payload,
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headers=primary_headers
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)
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response.raise_for_status()
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logger.info(f"Successfully forwarded vitals to primary API for device {vitals.device_id}")
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return True
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except Exception as e:
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err_msg = str(e).strip() or "timeout / connection reset"
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logger.warning(f"Error forwarding to primary API: {type(e).__name__} ({err_msg})")
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return False
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# 2. Forward to Cloud Server
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async def _forward_cloud() -> bool:
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cloud_base = get_cloud_base_url()
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cloud_url = f"{cloud_base}/api/push-vitals"
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is_on_cloud = os.getenv("RENDER") is not None or os.getenv("PORT") == "10000" or "render.local" in os.getenv("HOSTNAME", "")
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if is_on_cloud and ("onrender.com" in cloud_base):
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return True
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try:
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url_with_key = cloud_url
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if settings.api_token:
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url_with_key = f"{cloud_url}?api_key={settings.api_token}"
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response = await client.post(
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url_with_key,
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json=payload,
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headers=headers
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)
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response.raise_for_status()
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logger.info(f"Successfully forwarded vitals to Cloud API for device {vitals.device_id}")
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return True
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except Exception as e:
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err_msg = str(e).strip() or "timeout / connection reset"
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logger.warning(f"Error forwarding to Cloud API: {type(e).__name__} ({err_msg})")
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return False
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results = await asyncio.gather(_forward_primary(), _forward_cloud(), return_exceptions=True)
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return any(r is True for r in results if not isinstance(r, Exception))
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async def sync_patient_assignment_to_cloud(patient_data: dict, device_id: str) -> bool:
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"""
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Synchronizes patient demographics assignment to Cloud Server.
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Ensures local and remote dashboards always show the exact same patient.
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"""
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cloud_base = get_cloud_base_url()
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is_on_cloud = os.getenv("RENDER") is not None or os.getenv("PORT") == "10000" or "render.local" in os.getenv("HOSTNAME", "")
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if is_on_cloud and ("onrender.com" in cloud_base):
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return True
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client = get_http_client()
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cloud_assign_url = f"{cloud_base}/api/patient/assign"
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payload = {
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"device_id": device_id,
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"mrn": patient_data.get("mrn") or patient_data.get("patient_id") or "",
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"name": patient_data.get("name") or patient_data.get("patient_name") or "Unknown",
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"dob": patient_data.get("dob") or patient_data.get("patient_dob"),
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"gender": patient_data.get("gender") or patient_data.get("patient_gender"),
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"bed_id": patient_data.get("bed_id"),
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"patient_type": patient_data.get("patient_type")
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}
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try:
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url_with_key = cloud_assign_url
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if settings.api_token:
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url_with_key = f"{cloud_assign_url}?api_key={settings.api_token}"
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resp = await client.post(url_with_key, json=payload, headers={"Content-Type": "application/json"})
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resp.raise_for_status()
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logger.info(f"Successfully synced patient {payload['mrn']} ({payload['name']}) to Cloud for {device_id}")
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return True
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except Exception as e:
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logger.warning(f"Could not sync patient assignment to Cloud: {type(e).__name__} ({e})")
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return False
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