deerflow2/web/src/app/_components/messages-block.tsx

128 lines
4.2 KiB
TypeScript

// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
// SPDX-License-Identifier: MIT
import { FastForward } from "lucide-react";
import { useCallback, useRef, useState } from "react";
import { Button } from "~/components/ui/button";
import {
Card,
CardDescription,
CardHeader,
CardTitle,
} from "~/components/ui/card";
import { fastForwardReplay } from "~/core/api";
import type { Option } from "~/core/messages";
import { useReplay } from "~/core/replay";
import { sendMessage, useStore } from "~/core/store";
import { cn } from "~/lib/utils";
import { ConversationStarter } from "./conversation-starter";
import { InputBox } from "./input-box";
import { MessageListView } from "./message-list-view";
import { RainbowText } from "./rainbow-text";
export function MessagesBlock({ className }: { className?: string }) {
const messageCount = useStore((state) => state.messageIds.length);
const responding = useStore((state) => state.responding);
const { isReplay } = useReplay();
const abortControllerRef = useRef<AbortController | null>(null);
const [feedback, setFeedback] = useState<{ option: Option } | null>(null);
const handleSend = useCallback(
async (message: string, options?: { interruptFeedback?: string }) => {
const abortController = new AbortController();
abortControllerRef.current = abortController;
try {
await sendMessage(
message,
{
interruptFeedback:
options?.interruptFeedback ?? feedback?.option.value,
},
{
abortSignal: abortController.signal,
},
);
} catch {}
},
[feedback],
);
const handleCancel = useCallback(() => {
console.info("cancel");
abortControllerRef.current?.abort();
abortControllerRef.current = null;
}, []);
const handleFeedback = useCallback(
(feedback: { option: Option }) => {
setFeedback(feedback);
},
[setFeedback],
);
const handleRemoveFeedback = useCallback(() => {
setFeedback(null);
}, [setFeedback]);
const [fastForwarding, setFastForwarding] = useState(false);
const handleFastForwardReplay = useCallback(() => {
setFastForwarding(!fastForwarding);
fastForwardReplay(!fastForwarding);
}, [fastForwarding]);
return (
<div className={cn("flex h-full flex-col", className)}>
<MessageListView
className="flex flex-grow"
onFeedback={handleFeedback}
onSendMessage={handleSend}
/>
{!isReplay ? (
<div className="relative flex h-42 shrink-0 pb-4">
{!responding && messageCount === 0 && (
<ConversationStarter
className="absolute top-[-218px] left-0"
onSend={handleSend}
/>
)}
<InputBox
className="h-full w-full"
responding={responding}
feedback={feedback}
onSend={handleSend}
onCancel={handleCancel}
onRemoveFeedback={handleRemoveFeedback}
/>
</div>
) : (
<div className="flex h-42 w-full items-center justify-center">
<Card className="w-full">
<div className="flex items-center justify-between">
<div className="flex-grow">
<CardHeader>
<CardTitle>
<RainbowText animated={responding}>Replay Mode</RainbowText>
</CardTitle>
<CardDescription>
<RainbowText animated={responding}>
DeerFlow is now replaying the conversation...
</RainbowText>
</CardDescription>
</CardHeader>
</div>
<div className="pr-4">
{responding && (
<Button
className={cn(fastForwarding && "animate-pulse")}
variant={fastForwarding ? "default" : "outline"}
onClick={handleFastForwardReplay}
>
Fast Forward
<FastForward size={16} />
</Button>
)}
</div>
</div>
</Card>
</div>
)}
</div>
);
}