get access token and use it to make a call

app/phone-calls/mutations/get-token.ts

@@ -0,0 +1,40 @@
+import { resolver, NotFoundError } from "blitz";
+import Twilio from "twilio";
+
+import db from "db";
+import getCurrentPhoneNumber from "../../phone-numbers/queries/get-current-phone-number";
+
+export default resolver.pipe(resolver.authorize(), async (_ = null, context) => {
+	const phoneNumber = await getCurrentPhoneNumber({}, context);
+	if (!phoneNumber) {
+		throw new NotFoundError();
+	}
+
+	const organization = await db.organization.findFirst({
+		where: { id: phoneNumber.organizationId },
+	});
+	if (
+		!organization ||
+		!organization.twilioAccountSid ||
+		!organization.twilioAuthToken ||
+		!organization.twilioApiKey ||
+		!organization.twilioApiSecret ||
+		!organization.twimlAppSid
+	) {
+		throw new NotFoundError();
+	}
+
+	const accessToken = new Twilio.jwt.AccessToken(
+		organization.twilioAccountSid,
+		organization.twilioApiKey,
+		organization.twilioApiSecret,
+		{ identity: `${context.session.orgId}__${context.session.userId}` },
+	);
+	const grant = new Twilio.jwt.AccessToken.VoiceGrant({
+		outgoingApplicationSid: organization.twimlAppSid,
+		incomingAllow: true,
+	});
+	accessToken.addGrant(grant);
+
+	return accessToken.toJwt();
+});