(feat): move call context to zustand

(feat): add actions, basic call page
This commit is contained in:
Alois 2026-04-29 14:49:53 +02:00
commit 413764f33e
17 changed files with 673 additions and 382 deletions

464
packages/call/src/store.tsx Normal file
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import { useEffect, useMemo, useRef } from "react";
import { create } from "zustand";
import { useLocation, useNavigate } from "@tanstack/react-router";
import { useTTP } from "@tensamin/ttp";
import { log, toast } from "@tensamin/shared/log";
import { ttp } from "@tensamin/shared/data";
import { useCrypto } from "@tensamin/crypto/context";
import { useStorage } from "@tensamin/storage/context";
import { useUser } from "@tensamin/user/context";
import { DeepFilterNoiseFilterProcessor } from "deepfilternet3-noise-filter";
import {
ExternalE2EEKeyProvider,
LocalAudioTrack,
Room,
RoomEvent,
Track,
} from "livekit-client";
import z from "zod";
type CallState = "closed" | "closing" | "connecting" | "open" | "encrypting";
type CallView = "preview" | "focused" | "grid";
type CurrentCallData = z.infer<typeof ttp.call_data.response> | null;
type NavigateFn = (options: {
to: string;
search?: Record<string, unknown>;
}) => Promise<void>;
type SendFn = (
type: string,
data: Record<string, unknown>,
) => Promise<{ data: unknown }>;
type GetSharedSecretFn = (
privateKey: unknown,
ownPublicKey: string,
remotePublicKey: string,
) => Promise<string>;
type DecryptTextFn = (sharedSecret: string, text: string) => Promise<string>;
type LoadFn = (key: string) => Promise<unknown>;
type GetUserFn = (userId: number) => Promise<{ public_key: string }>;
type Runtime = {
navigate: NavigateFn;
send: SendFn;
getSharedSecret: GetSharedSecretFn;
decryptText: DecryptTextFn;
load: LoadFn;
getUser: GetUserFn;
};
type CallStore = {
state: CallState;
view: CallView;
callId: string | null;
callSecret: string | null;
livekitToken: string | null;
currentCallData: CurrentCallData;
deaf: boolean;
micEnabled: boolean;
screenShareEnabled: boolean;
isEncrypted: boolean;
room: Room;
keyProvider: ExternalE2EEKeyProvider;
e2eeWorker: Worker;
runtime: Runtime | null;
};
const keyProvider = new ExternalE2EEKeyProvider();
const e2eeWorker = new Worker(
new URL("livekit-client/e2ee-worker", import.meta.url),
);
const room = new Room({
dynacast: true,
adaptiveStream: true,
encryption: {
keyProvider,
worker: e2eeWorker,
},
});
function requireRuntime(runtime: Runtime | null): Runtime {
if (!runtime) {
throw new Error("Call store is not initialized");
}
return runtime;
}
export function syncParticipantState() {
const { room } = useCall.getState();
useCall.setState({
micEnabled: room.localParticipant.isMicrophoneEnabled,
screenShareEnabled: room.localParticipant.isScreenShareEnabled,
isEncrypted:
room.localParticipant.isE2EEEnabled && room.localParticipant.isEncrypted,
});
}
export function setCallRuntime(runtime: Runtime) {
useCall.setState({ runtime });
}
export function setCallState(state: CallState) {
useCall.setState({ state });
}
export function setCallView(view: CallView) {
useCall.setState({ view });
}
export function setCallId(callId: string | null) {
useCall.setState({ callId });
}
export function setCurrentCallData(currentCallData: CurrentCallData) {
useCall.setState({ currentCallData });
}
export async function openCallPage(callId: string) {
await requireRuntime(useCall.getState().runtime).navigate({
to: "/call",
search: { id: callId },
});
}
export async function getCallToken(callId: string): Promise<string> {
const response = await requireRuntime(useCall.getState().runtime)
.send("call_token", {
call_id: callId,
})
.catch((err) => {
log(1, "call", "red", "Failed to get call secret", err);
throw err;
});
const data = response.data as { call_token: string };
return data.call_token;
}
export async function connect(callId: string) {
const token = await getCallToken(callId);
useCall.setState({
state: "connecting",
callId,
livekitToken: token,
});
log(2, "call", "purple", "Connecting to call", {
callId,
callSecret: useCall.getState().callSecret,
});
await room.connect("wss://call.tensamin.net", token).catch((error) => {
useCall.setState({ state: "closed", livekitToken: null });
log(1, "call", "red", "Failed to connect to room", error);
toast(
"error",
error instanceof Error ? error.message : "Failed to connect to call.",
);
throw error;
});
await room.localParticipant.setMicrophoneEnabled(true).catch((error) => {
log(1, "call", "red", "Failed to enable microphone", error);
toast("error", "Failed to enable microphone.");
throw error;
});
syncParticipantState();
}
export function disconnect() {
useCall.setState({
state: "closing",
callId: null,
callSecret: null,
livekitToken: null,
currentCallData: null,
deaf: false,
view: "preview",
});
room.remoteParticipants.forEach((participant) => {
participant.setVolume(100);
});
room.disconnect();
syncParticipantState();
}
export async function joinCall(
userId: number,
callSecret?: string,
existingCallId?: string,
) {
const runtime = requireRuntime(useCall.getState().runtime);
log(2, "call", "purple", "Call creation initialised");
useCall.setState({ state: "encrypting" });
if (callSecret) {
try {
const sharedSecret = await runtime.getSharedSecret(
await runtime.load("private_key"),
await runtime
.getUser((await runtime.load("user_id")) as number)
.then((res) => res.public_key),
await runtime.getUser(userId).then((res) => res.public_key),
);
const decryptedSecret = await runtime.decryptText(
sharedSecret,
callSecret,
);
await keyProvider.setKey(decryptedSecret);
await room.setE2EEEnabled(true);
useCall.setState({ callSecret: decryptedSecret });
} catch (err) {
log(1, "call", "red", "Failed getting call secret", err);
disconnect();
return;
}
} else {
const random = crypto.randomUUID();
await keyProvider.setKey(random);
await room.setE2EEEnabled(true);
useCall.setState({ callSecret: random });
}
const finalId = existingCallId || crypto.randomUUID();
try {
useCall.setState({ view: "grid", callId: finalId });
await openCallPage(finalId);
await connect(finalId);
} catch (err) {
log(1, "call", "red", "Failed to join call [navbar level]", err);
}
}
export function toggleDeaf() {
const nextDeaf = !useCall.getState().deaf;
room.remoteParticipants.forEach((participant) => {
participant.setVolume(nextDeaf ? 0 : 100);
});
if (nextDeaf && room.localParticipant.isMicrophoneEnabled) {
toggleMute();
}
useCall.setState({ deaf: nextDeaf });
}
export async function toggleMute() {
const micEnabled = useCall.getState().micEnabled;
if (!micEnabled && useCall.getState().deaf) {
toggleDeaf();
}
await room.localParticipant.setMicrophoneEnabled(!micEnabled);
syncParticipantState();
}
export async function setScreenShareEnabled(enabled: boolean) {
await room.localParticipant.setScreenShareEnabled(enabled);
syncParticipantState();
}
export function resetCallState() {
useCall.setState({
state: "closed",
view: "preview",
callId: null,
callSecret: null,
livekitToken: null,
currentCallData: null,
deaf: false,
});
syncParticipantState();
}
async function ensureNoiseFilter(
noiseFilter: DeepFilterNoiseFilterProcessor,
): Promise<void> {
const microphoneTrack = room.localParticipant.getTrackPublication(
Track.Source.Microphone,
)?.track;
if (
!(microphoneTrack instanceof LocalAudioTrack) ||
microphoneTrack.getProcessor()
) {
return;
}
await microphoneTrack.setProcessor(noiseFilter).catch((err) => {
log(1, "call", "red", "Failed to enable noise filter", err);
});
}
export const useCall = create<CallStore>(() => ({
state: "closed",
view: "preview",
callId: null,
callSecret: null,
livekitToken: null,
currentCallData: null,
deaf: false,
micEnabled: room.localParticipant.isMicrophoneEnabled,
screenShareEnabled: room.localParticipant.isScreenShareEnabled,
isEncrypted:
room.localParticipant.isE2EEEnabled && room.localParticipant.isEncrypted,
room,
keyProvider,
e2eeWorker,
runtime: null,
}));
export function useInitializeCall() {
const navigate = useNavigate();
const location = useLocation();
const { send } = useTTP();
const { getSharedSecret, decryptText } = useCrypto();
const { load } = useStorage();
const { get } = useUser();
const callId = useCall((state) => state.callId);
const view = useCall((state) => state.view);
const listenersRegistered = useRef(false);
const noiseFilter = useMemo(
() =>
new DeepFilterNoiseFilterProcessor({
enabled: true,
enableNoiseReduction: true,
noiseReductionLevel: 80,
sampleRate: 48000,
assetConfig: {
cdnUrl: "/assets",
},
}),
[],
);
useEffect(() => {
setCallRuntime({
navigate,
send: send as SendFn,
getSharedSecret: getSharedSecret as GetSharedSecretFn,
decryptText: decryptText as DecryptTextFn,
load: load as LoadFn,
getUser: get as GetUserFn,
});
}, [decryptText, get, getSharedSecret, load, navigate, send]);
useEffect(() => {
if (!location.pathname.startsWith("/call")) {
return;
}
const search = new URLSearchParams(location.searchStr);
const routeCallId = search.get("id");
if (routeCallId) {
setCallId(routeCallId);
}
}, [location.pathname, location.searchStr]);
useEffect(() => {
if (listenersRegistered.current) {
return;
}
listenersRegistered.current = true;
const onConnected = () => {
useCall.setState({ state: "open" });
syncParticipantState();
log(2, "call", "purple", "Connected to call", {
callId: useCall.getState().callId,
callSecret: useCall.getState().callSecret,
});
};
const onDisconnected = () => {
useCall.setState({ state: "closed" });
syncParticipantState();
log(2, "call", "purple", "Disconnected from call", {
callId: useCall.getState().callId,
callSecret: useCall.getState().callSecret,
});
};
const onMediaDeviceFailure = (error: Error, kind?: MediaDeviceKind) => {
log(1, "call", "red", "Media device failure", { error, kind });
toast("error", "Media device failure. See console for details.");
};
const onEncryptionError = (error: Error) => {
log(1, "call", "red", "Encryption error", { error });
toast("error", "Error during call encryption. See console for details.");
};
const onParticipantStateChange = () => {
syncParticipantState();
void ensureNoiseFilter(noiseFilter);
};
room.on(RoomEvent.Connected, onConnected);
room.on(RoomEvent.Reconnected, onConnected);
room.on(RoomEvent.Disconnected, onDisconnected);
room.on(RoomEvent.TrackMuted, onParticipantStateChange);
room.on(RoomEvent.TrackUnmuted, onParticipantStateChange);
room.on(RoomEvent.LocalTrackPublished, onParticipantStateChange);
room.on(RoomEvent.LocalTrackUnpublished, onParticipantStateChange);
room.on(RoomEvent.MediaDevicesError, onMediaDeviceFailure);
room.on(RoomEvent.EncryptionError, onEncryptionError);
room.on(RoomEvent.ConnectionStateChanged, onParticipantStateChange);
void ensureNoiseFilter(noiseFilter);
syncParticipantState();
return () => {
room.off(RoomEvent.Connected, onConnected);
room.off(RoomEvent.Reconnected, onConnected);
room.off(RoomEvent.Disconnected, onDisconnected);
room.off(RoomEvent.TrackMuted, onParticipantStateChange);
room.off(RoomEvent.TrackUnmuted, onParticipantStateChange);
room.off(RoomEvent.LocalTrackPublished, onParticipantStateChange);
room.off(RoomEvent.LocalTrackUnpublished, onParticipantStateChange);
room.off(RoomEvent.MediaDevicesError, onMediaDeviceFailure);
room.off(RoomEvent.EncryptionError, onEncryptionError);
room.off(RoomEvent.ConnectionStateChanged, onParticipantStateChange);
listenersRegistered.current = false;
room.disconnect();
e2eeWorker.terminate();
};
}, [noiseFilter]);
useEffect(() => {
if (view !== "preview" || !callId) {
return;
}
send("call_data", { call_id: callId })
.then((data) => {
setCurrentCallData(data.data as z.infer<typeof ttp.call_data.response>);
})
.catch((err) => {
log(1, "Call", "red", "Failed to get call data", {
callId,
error: err,
});
setCurrentCallData({
users: [],
});
});
}, [callId, send, view]);
}