dograh/api/services/telephony/providers/telnyx/routes.py
2026-04-30 15:42:55 +05:30

80 lines
2.9 KiB
Python

"""Telnyx telephony routes (webhooks, status callbacks, answer URLs).
Mounted under ``/api/v1/telephony`` by ``api.routes.telephony`` via the
provider registry — see ProviderSpec.router.
"""
import json
from fastapi import APIRouter, Request
from loguru import logger
from api.db import db_client
from api.services.telephony.factory import get_telephony_provider
from api.services.telephony.providers.telnyx.provider import normalize_event_type
from api.services.telephony.status_processor import (
StatusCallbackRequest,
_process_status_update,
)
from pipecat.utils.run_context import set_current_run_id
router = APIRouter()
@router.post("/telnyx/events/{workflow_run_id}")
async def handle_telnyx_events(
request: Request,
workflow_run_id: int,
):
"""Handle Telnyx Call Control webhook events.
Telnyx sends all call lifecycle events (call.initiated, call.answered,
call.hangup, streaming.started, streaming.stopped) as JSON POST requests.
"""
set_current_run_id(workflow_run_id)
event_data = await request.json()
logger.info(
f"[run {workflow_run_id}] Received Telnyx event: {json.dumps(event_data)}"
)
# Extract event type from Telnyx envelope. Telnyx sometimes delivers the
# type with underscores (``streaming_started``) instead of dots
# (``streaming.started``); normalize so downstream comparisons match either.
data = event_data.get("data", {})
event_type = normalize_event_type(data.get("event_type", ""))
# Skip streaming events — they're informational only
if event_type in ("streaming.started", "streaming.stopped"):
logger.debug(f"[run {workflow_run_id}] Telnyx streaming event: {event_type}")
return {"status": "success"}
# Get workflow run and provider
workflow_run = await db_client.get_workflow_run_by_id(workflow_run_id)
if not workflow_run:
logger.warning(f"Workflow run {workflow_run_id} not found for Telnyx event")
return {"status": "ignored", "reason": "workflow_run_not_found"}
workflow = await db_client.get_workflow_by_id(workflow_run.workflow_id)
if not workflow:
logger.warning(f"Workflow {workflow_run.workflow_id} not found")
return {"status": "ignored", "reason": "workflow_not_found"}
provider = await get_telephony_provider(workflow.organization_id)
# Parse the callback data into generic format
parsed_data = provider.parse_status_callback(event_data)
status_update = StatusCallbackRequest(
call_id=parsed_data["call_id"],
status=parsed_data["status"],
from_number=parsed_data.get("from_number"),
to_number=parsed_data.get("to_number"),
direction=parsed_data.get("direction"),
duration=parsed_data.get("duration"),
extra=parsed_data.get("extra", {}),
)
await _process_status_update(workflow_run_id, status_update)
return {"status": "success"}