shellphone.app/app/phone-calls/hooks/use-device.tsx

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import { useCallback, useEffect, useMemo } from "react";
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import { useMutation } from "blitz";
import type { TwilioError } from "@twilio/voice-sdk";
import { Call, Device } from "@twilio/voice-sdk";
import { atom, useAtom } from "jotai";
import getToken, { ttl } from "../mutations/get-token";
import appLogger from "../../../integrations/logger";
const logger = appLogger.child({ module: "use-device" });
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export default function useDevice() {
const [device, setDevice] = useAtom(deviceAtom);
const [getTokenMutation] = useMutation(getToken);
const refreshToken = useCallback(async () => {
if (!device) {
logger.error("Tried refreshing accessToken for an uninitialized device");
return;
}
const token = await getTokenMutation();
device.updateToken(token);
}, [device, getTokenMutation]);
const isDeviceReady = useMemo(() => device?.state === Device.State.Registered, [device]);
useEffect(() => {
if (!isDeviceReady) {
return;
}
const intervalId = setInterval(refreshToken, (ttl - 30) * 1000);
return () => clearInterval(intervalId);
}, [isDeviceReady, refreshToken]);
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useEffect(() => {
(async () => {
const token = await getTokenMutation();
const device = new Device(token, {
codecPreferences: [Call.Codec.Opus, Call.Codec.PCMU],
sounds: {
[Device.SoundName.Disconnect]: undefined, // TODO
},
});
device.register();
setDevice(device);
})();
}, [getTokenMutation, setDevice]);
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useEffect(() => {
if (!device) {
return;
}
console.log("ok");
// @ts-ignore
window.device = device;
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device.on("error", onDeviceError);
device.on("incoming", onDeviceIncoming);
return () => {
device.off("error", onDeviceError);
device.off("incoming", onDeviceIncoming);
};
}, [device]);
// @ts-ignore
window.refreshToken = refreshToken;
return {
device,
isDeviceReady,
refreshToken,
};
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function onDeviceError(error: TwilioError.TwilioError, call?: Call) {
// TODO gracefully handle errors: possibly hang up the call, redirect to keypad
console.error("device error", JSON.parse(JSON.stringify(error)));
alert(error.code);
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}
function onDeviceIncoming(call: Call) {
// TODO show alert to accept/reject the incoming call /!\ it should persist between screens /!\ prevent making a new call when there is a pending incoming call
console.log("call", call);
console.log("Incoming connection from " + call.parameters.From);
let archEnemyPhoneNumber = "+12093373517";
if (call.parameters.From === archEnemyPhoneNumber) {
call.reject();
console.log("It's your nemesis. Rejected call.");
} else {
// accept the incoming connection and start two-way audio
call.accept();
}
}
}
const deviceAtom = atom<Device | null>(null);
let e = {
message:
"ConnectionError (53000): Raised whenever a signaling connection error occurs that is not covered by a more specific error code.",
causes: [],
code: 53000,
description: "Signaling connection error",
explanation:
"Raised whenever a signaling connection error occurs that is not covered by a more specific error code.",
name: "ConnectionError",
solutions: [],
};