import type { BlitzApiRequest, BlitzApiResponse } from "blitz"; import { getConfig } from "blitz"; import twilio from "twilio"; import type { CallInstance } from "twilio/lib/rest/api/v2010/account/call"; import db, { CallStatus, Direction } from "../../../../db"; import appLogger from "../../../../integrations/logger"; const { serverRuntimeConfig } = getConfig(); const logger = appLogger.child({ route: "/api/webhook/call" }); type ApiError = { statusCode: number; errorMessage: string; }; export default async function incomingCallHandler(req: BlitzApiRequest, res: BlitzApiResponse) { console.log("req.body", req.body); const url = `https://${serverRuntimeConfig.app.baseUrl}/api/webhook/call`; const twilioSignature = req.headers["X-Twilio-Signature"] || req.headers["x-twilio-signature"]; if (!twilioSignature || Array.isArray(twilioSignature)) { const statusCode = 400; const apiError: ApiError = { statusCode, errorMessage: "Invalid header X-Twilio-Signature", }; logger.error(apiError); res.status(statusCode).send(apiError); return; } const isOutgoingCall = req.body.From.startsWith("client:"); if (isOutgoingCall) { const recipient = req.body.To; const organizationId = req.body.From.slice("client:".length).split("__")[0]; const phoneNumber = await db.phoneNumber.findFirst({ where: { organizationId }, include: { organization: true }, }); if ( !phoneNumber || !phoneNumber.organization.twilioAuthToken || !twilio.validateRequest(phoneNumber.organization.twilioAuthToken, twilioSignature, url, req.body) ) { const statusCode = 400; const apiError: ApiError = { statusCode, errorMessage: "Invalid webhook", }; logger.error(apiError); res.status(statusCode).send(apiError); return; } await db.phoneCall.create({ data: { id: req.body.CallSid, from: phoneNumber.number, to: req.body.To, status: translateStatus(req.body.CallStatus), direction: Direction.Outbound, duration: "", // TODO organizationId: phoneNumber.organization.id, phoneNumberId: phoneNumber.id, }, }); const twiml = new twilio.twiml.VoiceResponse(); const dial = twiml.dial({ answerOnBridge: true, callerId: phoneNumber!.number, }); dial.number(recipient); console.log("twiml", twiml.toString()); res.setHeader("content-type", "text/xml"); return res.status(200).send(twiml.toString()); } else { const phoneNumbers = await db.phoneNumber.findMany({ where: { number: req.body.To }, include: { organization: true }, }); if (phoneNumbers.length === 0) { // phone number is not registered by any organization res.status(500).end(); return; } const phoneNumber = phoneNumbers.find((phoneNumber) => { // if multiple organizations have the same number // find the organization currently using that phone number // maybe we shouldn't let multiple organizations use the same phone number const authToken = phoneNumber.organization.twilioAuthToken ?? ""; return twilio.validateRequest(authToken, twilioSignature, url, req.body); }); if (!phoneNumber) { const statusCode = 400; const apiError: ApiError = { statusCode, errorMessage: "Invalid webhook", }; logger.error(apiError); res.status(statusCode).send(apiError); return; } // TODO dial.client("unique id of device user is picking up with"); // TODO send notification // TODO db.phoneCall.create(...); } // TODO queue job to update duration when call ends res.status(500).end(); } const outgoingBody = { AccountSid: "ACa886d066be0832990d1cf43fb1d53362", ApiVersion: "2010-04-01", ApplicationSid: "AP6334c6dd54f5808717b37822de4e4e14", CallSid: "CA3b639875693fd8f563e07937780c9f5f", CallStatus: "ringing", Called: "", Caller: "client:95267d60-3d35-4c36-9905-8543ecb4f174__673b461a-11ba-43a4-89d7-9e29403053d4", Direction: "inbound", From: "client:95267d60-3d35-4c36-9905-8543ecb4f174__673b461a-11ba-43a4-89d7-9e29403053d4", To: "+33613370787", }; function translateStatus(status: CallInstance["status"]): CallStatus { switch (status) { case "busy": return CallStatus.Busy; case "canceled": return CallStatus.Canceled; case "completed": return CallStatus.Completed; case "failed": return CallStatus.Failed; case "in-progress": return CallStatus.InProgress; case "no-answer": return CallStatus.NoAnswer; case "queued": return CallStatus.Queued; case "ringing": return CallStatus.Ringing; } }