Files
dc-recorder/frontend/src/App.tsx
T

249 lines
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TypeScript

import { useCallback, useEffect, useMemo, useRef, useState } from "react";
import { DashboardLayout } from "./components/layout/DashboardLayout";
import { MediaPanel } from "./components/media/MediaPanel";
import { MessagesPanel } from "./components/messages/MessagesPanel";
import { ReviewPanel } from "./components/review/ReviewPanel";
import { Tabs, TabsContent } from "./components/ui/tabs";
import { VoicePanel } from "./components/voice/VoicePanel";
import { useDashboardSocket } from "./hooks/useDashboardSocket";
import { mergeMessages, useMessages } from "./hooks/useMessages";
import { useMediaControl } from "./hooks/useMediaControl";
import { useUIState } from "./hooks/useUIState";
import { useVoiceControl } from "./hooks/useVoiceControl";
import type { MessageRecord } from "./types/messages";
import type { DashboardTab } from "./types/ui";
import type { ActiveSpeaker } from "./types/voice";
const SAMPLE_RATE = 24000;
const CHANNELS = 1;
export default function App() {
const { uiState, setUIState, patchUIState } = useUIState();
const voice = useVoiceControl();
const media = useMediaControl();
const messages = useMessages();
const [activeSpeakers, setActiveSpeakers] = useState<ActiveSpeaker[]>([]);
const [levels, setLevels] = useState<number[]>(Array.from({ length: 32 }, () => 0.04));
const [isListening, setIsListening] = useState(false);
const [isStreaming, setIsStreaming] = useState(false);
const audioContextListenRef = useRef<AudioContext | null>(null);
const audioContextTransmitRef = useRef<AudioContext | null>(null);
const streamRef = useRef<MediaStream | null>(null);
const processorRef = useRef<ScriptProcessorNode | null>(null);
const userTimelinesRef = useRef(new Map<number, number>());
const activeTab = uiState.activeTab || "voice";
const selectedVoiceGuild = uiState.selectedVoiceGuild || uiState.selectedGuild || "";
const selectedVoiceChannel = uiState.selectedVoiceChannel || "";
const selectedTextGuild = uiState.selectedTextGuild || uiState.selectedGuild || "";
const selectedTextChannel = uiState.selectedTextChannel || "";
const handleIncomingPcm = useCallback((data: ArrayBuffer) => {
const headerView = new DataView(data, 0, 4);
const userIdHash = headerView.getInt32(0, true);
const audioData = data.slice(4);
const int16Array = new Int16Array(audioData);
let sum = 0;
for (const sample of int16Array) sum += Math.abs(sample / 32768);
const average = int16Array.length ? sum / int16Array.length : 0;
setLevels((prev) => prev.map((_, index) => Math.max(0.04, average * (0.5 + Math.sin(index * 0.6 + Date.now() / 140) * 0.35 + 0.65) * 5)));
const audioContext = audioContextListenRef.current;
if (!isListening || !audioContext) return;
const float32Array = new Float32Array(int16Array.length);
for (let i = 0; i < int16Array.length; i++) float32Array[i] = int16Array[i] / 32768;
const audioBuffer = audioContext.createBuffer(CHANNELS, float32Array.length / CHANNELS, SAMPLE_RATE);
audioBuffer.getChannelData(0).set(float32Array);
const source = audioContext.createBufferSource();
source.buffer = audioBuffer;
source.connect(audioContext.destination);
const currentTime = audioContext.currentTime;
let nextStart = userTimelinesRef.current.get(userIdHash) || 0;
if (nextStart < currentTime) nextStart = currentTime + 0.05;
source.start(nextStart);
userTimelinesRef.current.set(userIdHash, nextStart + audioBuffer.duration);
}, [isListening]);
const socket = useDashboardSocket({
onUIState: (state) => setUIState((prev) => ({ ...prev, ...state })),
onUserState: setActiveSpeakers,
onMessageCreated: (message) => messages.setMessages((prev) => mergeMessages(prev, [message])),
onMessageUpdated: (message) => messages.setMessages((prev) => prev.map((item) => (item.id === message.id ? { ...item, ...message } as MessageRecord : item))),
onMessageDeleted: (message) => messages.setMessages((prev) => prev.map((item) => (item.id === message.id ? { ...item, type: "deleted" } : item))),
onMessageAnalyzed: (message) => messages.setMessages((prev) => mergeMessages(prev, [message])),
onAttachmentUploaded: () => messages.fetchMessages(selectedTextChannel).catch(() => undefined),
onMediaState: media.setMediaState,
onPcm: handleIncomingPcm,
});
const stopStreamingLocal = useCallback(() => {
setIsStreaming(false);
if (processorRef.current) {
processorRef.current.disconnect();
processorRef.current = null;
}
if (audioContextTransmitRef.current) {
audioContextTransmitRef.current.close();
audioContextTransmitRef.current = null;
}
if (streamRef.current) {
for (const track of streamRef.current.getTracks()) track.stop();
streamRef.current = null;
}
setLevels(Array.from({ length: 32 }, () => 0.04));
}, []);
const startStreamingLocal = useCallback(async () => {
try {
const stream = await navigator.mediaDevices.getUserMedia({ audio: true });
streamRef.current = stream;
setIsStreaming(true);
const AudioContextCtor = window.AudioContext || window.webkitAudioContext;
const audioContext = new AudioContextCtor({ sampleRate: SAMPLE_RATE });
audioContextTransmitRef.current = audioContext;
const source = audioContext.createMediaStreamSource(stream);
const processor = audioContext.createScriptProcessor(4096, 1, 1);
processorRef.current = processor;
source.connect(processor);
processor.connect(audioContext.destination);
processor.onaudioprocess = (event) => {
if (!socket.socketRef.current || socket.socketRef.current.readyState !== WebSocket.OPEN) return;
const inputData = event.inputBuffer.getChannelData(0);
const pcmData = new Int16Array(inputData.length);
for (let i = 0; i < inputData.length; i++) {
pcmData[i] = Math.max(-1, Math.min(1, inputData[i])) * 32767;
}
socket.socketRef.current.send(pcmData.buffer);
// Update local levels from mic
let sum = 0;
for (let i = 0; i < inputData.length; i++) sum += Math.abs(inputData[i]);
const average = inputData.length ? sum / inputData.length : 0;
setLevels((prev) => prev.map((_, index) => Math.max(0.04, average * (0.5 + Math.sin(index * 0.6 + Date.now() / 140) * 0.35 + 0.65) * 5)));
};
} catch (err) {
console.error("Microphone access failed:", err);
setIsStreaming(false);
throw err;
}
}, [socket.socketRef]);
const toggleStreaming = useCallback(async () => {
if (isStreaming) {
stopStreamingLocal();
await patchUIState({ isStreaming: false });
} else {
await startStreamingLocal();
await patchUIState({ isStreaming: true });
}
}, [isStreaming, startStreamingLocal, stopStreamingLocal, patchUIState]);
useEffect(() => {
if (selectedVoiceGuild) {
voice.loadVoiceChannels(selectedVoiceGuild).catch(() => undefined);
}
}, [selectedVoiceGuild]);
useEffect(() => {
if (selectedTextGuild) {
voice.loadTextTargets(selectedTextGuild).catch(() => undefined);
}
}, [selectedTextGuild]);
useEffect(() => {
if (selectedTextChannel) {
messages.fetchMessages(selectedTextChannel).catch(() => undefined);
}
}, [selectedTextChannel]);
const toggleListening = useCallback(async () => {
if (isListening) {
await audioContextListenRef.current?.suspend();
userTimelinesRef.current.clear();
setIsListening(false);
await patchUIState({ isListening: false });
return;
}
const AudioContextCtor = window.AudioContext || window.webkitAudioContext;
audioContextListenRef.current ??= new AudioContextCtor({ sampleRate: SAMPLE_RATE });
await audioContextListenRef.current.resume();
setIsListening(true);
await patchUIState({ isListening: true });
}, [isListening, patchUIState]);
const tabs = useMemo(() => ["voice", "media", "messages", "review"] as DashboardTab[], []);
return (
<DashboardLayout
activeTab={activeTab}
wsStatus={socket.status}
voiceStatus={voice.voiceStatus}
onTabChange={(tab) => patchUIState({ activeTab: tab })}
>
<div className="md:hidden">
<Tabs value={activeTab} onValueChange={(value) => patchUIState({ activeTab: value as DashboardTab })}>
<div className="mb-4 grid grid-cols-4 gap-2 rounded-2xl bg-muted p-1">
{tabs.map((tab) => (
<button key={tab} className={`rounded-xl px-2 py-2 text-xs font-medium ${activeTab === tab ? "bg-background text-foreground" : "text-muted-foreground"}`} onClick={() => patchUIState({ activeTab: tab })}>
{tab}
</button>
))}
</div>
</Tabs>
</div>
<Tabs value={activeTab} onValueChange={(value) => patchUIState({ activeTab: value as DashboardTab })}>
<TabsContent value="voice">
<VoicePanel
guilds={voice.guilds}
channels={voice.voiceChannels}
selectedGuild={selectedVoiceGuild}
selectedChannel={selectedVoiceChannel}
status={voice.voiceStatus}
loading={voice.loading}
activeSpeakers={activeSpeakers}
levels={levels}
isListening={isListening}
isStreaming={isStreaming}
onGuildChange={(guildId) => patchUIState({ selectedVoiceGuild: guildId, selectedVoiceChannel: "" })}
onChannelChange={(channelId) => patchUIState({ selectedVoiceChannel: channelId })}
onJoin={() => voice.joinVoice(selectedVoiceGuild, selectedVoiceChannel)}
onDisconnect={() => voice.leaveVoice()}
onListenToggle={toggleListening}
onStreamingToggle={toggleStreaming}
/>
</TabsContent>
<TabsContent value="media">
<MediaPanel
state={media.mediaState}
loading={media.loading}
onQueueMusic={(source) => media.enqueue(source, "music")}
onStartScreen={(source) => media.enqueue(source, "screen")}
onSkip={media.skip}
onStop={media.stop}
/>
</TabsContent>
<TabsContent value="messages">
<MessagesPanel
guilds={voice.guilds}
channels={voice.textChannels}
selectedGuild={selectedTextGuild}
selectedChannel={selectedTextChannel}
messages={messages.messages}
onGuildChange={(guildId) => patchUIState({ selectedTextGuild: guildId, selectedTextChannel: "" })}
onChannelChange={(channelId) => patchUIState({ selectedTextChannel: channelId })}
onReanalyze={messages.reanalyze}
/>
</TabsContent>
<TabsContent value="review">
<ReviewPanel messages={messages.messages} onReanalyze={messages.reanalyze} />
</TabsContent>
</Tabs>
</DashboardLayout>
);
}