shellphone.app/app/phone-calls/hooks/use-make-call.ts

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import { useCallback, useState } from "react";
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import { useRouter, Routes } from "blitz";
import { Call } from "@twilio/voice-sdk";
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import useDevice from "./use-device";
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import appLogger from "../../../integrations/logger";
const logger = appLogger.child({ module: "use-make-call" });
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type Params = {
recipient: string;
onHangUp?: () => void;
};
export default function useMakeCall({ recipient, onHangUp }: Params) {
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const [outgoingConnection, setOutgoingConnection] = useState<Call | null>(null);
const [state, setState] = useState<State>("initial");
const { device, isDeviceReady } = useDevice();
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const router = useRouter();
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const endCall = useCallback(
function endCall() {
outgoingConnection?.off("cancel", endCall);
outgoingConnection?.off("disconnect", endCall);
outgoingConnection?.disconnect();
setState("call_ending");
setTimeout(() => {
setState("call_ended");
setTimeout(() => router.replace(Routes.KeypadPage()), 100);
}, 150);
},
[outgoingConnection, router],
);
const makeCall = useCallback(
async function makeCall() {
if (!device || !isDeviceReady) {
logger.warn("device is not ready yet, can't make the call");
return;
}
if (state !== "initial") {
return;
}
if (device.isBusy) {
logger.error("device is busy, this shouldn't happen");
return;
}
setState("calling");
const params = { To: recipient };
const outgoingConnection = await device.connect({ params });
setOutgoingConnection(outgoingConnection);
outgoingConnection.on("error", (error) => {
outgoingConnection.off("cancel", endCall);
outgoingConnection.off("disconnect", endCall);
setState(() => {
// hack to trigger the error boundary
throw error;
});
});
outgoingConnection.once("accept", (call: Call) => setState("call_in_progress"));
outgoingConnection.on("cancel", endCall);
outgoingConnection.on("disconnect", endCall);
},
[device, isDeviceReady, recipient, state],
);
const sendDigits = useCallback(
function sendDigits(digits: string) {
return outgoingConnection?.sendDigits(digits);
},
[outgoingConnection],
);
const hangUp = useCallback(
function hangUp() {
setState("call_ending");
outgoingConnection?.disconnect();
device?.disconnectAll();
device?.destroy();
onHangUp?.();
router.replace(Routes.KeypadPage());
outgoingConnection?.off("cancel", endCall);
outgoingConnection?.off("disconnect", endCall);
},
[device, endCall, onHangUp, outgoingConnection, router],
);
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return {
makeCall,
sendDigits,
hangUp,
state,
};
}
type State = "initial" | "ready" | "calling" | "call_in_progress" | "call_ending" | "call_ended";