Files
ragflow/web/src/components/floating-chat-widget.tsx
balibabu d2915f6984 Fix: Error 102 "Can't find dialog by ID" when embedding agent with from=agent** #11552 (#11594)
### What problem does this PR solve?

Fix: Error 102 "Can't find dialog by ID" when embedding agent with
from=agent** #11552

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)
2025-11-28 19:05:43 +08:00

723 lines
25 KiB
TypeScript

import PdfSheet from '@/components/pdf-drawer';
import { useClickDrawer } from '@/components/pdf-drawer/hooks';
import { MessageType, SharedFrom } from '@/constants/chat';
import { useFetchExternalAgentInputs } from '@/hooks/use-agent-request';
import { useFetchExternalChatInfo } from '@/hooks/use-chat-request';
import i18n from '@/locales/config';
import { useSendNextSharedMessage } from '@/pages/agent/hooks/use-send-shared-message';
import { MessageCircle, Minimize2, Send, X } from 'lucide-react';
import React, { useCallback, useEffect, useRef, useState } from 'react';
import {
useGetSharedChatSearchParams,
useSendSharedMessage,
} from '../pages/next-chats/hooks/use-send-shared-message';
import FloatingChatWidgetMarkdown from './floating-chat-widget-markdown';
const FloatingChatWidget = () => {
const [isOpen, setIsOpen] = useState(false);
const [isMinimized, setIsMinimized] = useState(false);
const [inputValue, setInputValue] = useState('');
const [lastResponseId, setLastResponseId] = useState<string | null>(null);
const [displayMessages, setDisplayMessages] = useState<any[]>([]);
const [isLoaded, setIsLoaded] = useState(false);
const messagesEndRef = useRef<HTMLDivElement>(null);
const {
sharedId: conversationId,
locale,
from,
} = useGetSharedChatSearchParams();
const isFromAgent = from === SharedFrom.Agent;
// Check if we're in button-only mode or window-only mode
const urlParams = new URLSearchParams(window.location.search);
const mode = urlParams.get('mode') || 'full'; // 'button', 'window', or 'full'
const enableStreaming = urlParams.get('streaming') === 'true'; // Only enable if explicitly set to true
const {
handlePressEnter,
handleInputChange,
value: hookValue,
sendLoading,
derivedMessages,
hasError,
} = (isFromAgent ? useSendNextSharedMessage : useSendSharedMessage)(() => {});
// Sync our local input with the hook's value when needed
useEffect(() => {
if (hookValue && hookValue !== inputValue) {
setInputValue(hookValue);
}
}, [hookValue, inputValue]);
const { data } = (
isFromAgent ? useFetchExternalAgentInputs : useFetchExternalChatInfo
)();
const title = data.title;
const { visible, hideModal, documentId, selectedChunk, clickDocumentButton } =
useClickDrawer();
// PDF drawer state tracking
useEffect(() => {
// Drawer state management
}, [visible, documentId, selectedChunk]);
// Play sound when opening
const playNotificationSound = useCallback(() => {
try {
const audioContext = new (window.AudioContext ||
(window as any).webkitAudioContext)();
const oscillator = audioContext.createOscillator();
const gainNode = audioContext.createGain();
oscillator.connect(gainNode);
gainNode.connect(audioContext.destination);
oscillator.frequency.value = 800;
oscillator.type = 'sine';
gainNode.gain.setValueAtTime(0.3, audioContext.currentTime);
gainNode.gain.exponentialRampToValueAtTime(
0.01,
audioContext.currentTime + 0.3,
);
oscillator.start(audioContext.currentTime);
oscillator.stop(audioContext.currentTime + 0.3);
} catch (error) {
// Silent fail if audio not supported
}
}, []);
// Play sound for AI responses (Intercom-style)
const playResponseSound = useCallback(() => {
try {
const audioContext = new (window.AudioContext ||
(window as any).webkitAudioContext)();
const oscillator = audioContext.createOscillator();
const gainNode = audioContext.createGain();
oscillator.connect(gainNode);
gainNode.connect(audioContext.destination);
oscillator.frequency.value = 600;
oscillator.type = 'sine';
gainNode.gain.setValueAtTime(0.2, audioContext.currentTime);
gainNode.gain.exponentialRampToValueAtTime(
0.01,
audioContext.currentTime + 0.2,
);
oscillator.start(audioContext.currentTime);
oscillator.stop(audioContext.currentTime + 0.2);
} catch (error) {
// Silent fail if audio not supported
}
}, []);
// Set loaded state and locale
useEffect(() => {
// Set component as loaded after a brief moment to prevent flash
const timer = setTimeout(() => {
setIsLoaded(true);
// Tell parent window that we're ready to be shown
window.parent.postMessage(
{
type: 'WIDGET_READY',
},
'*',
);
}, 50);
if (locale && i18n.language !== locale) {
i18n.changeLanguage(locale);
}
return () => clearTimeout(timer);
}, [locale]);
// Handle message display based on streaming preference
useEffect(() => {
if (!derivedMessages) {
setDisplayMessages([]);
return;
}
if (enableStreaming) {
// Show messages as they stream
setDisplayMessages(derivedMessages);
} else {
// Only show complete messages (non-streaming mode)
const completeMessages = derivedMessages.filter((msg, index) => {
// Always show user messages immediately
if (msg.role === MessageType.User) return true;
// For AI messages, only show when response is complete (not loading)
if (msg.role === MessageType.Assistant) {
return !sendLoading || index < derivedMessages.length - 1;
}
return true;
});
setDisplayMessages(completeMessages);
}
}, [derivedMessages, enableStreaming, sendLoading]);
// Auto-scroll to bottom when display messages change
useEffect(() => {
messagesEndRef.current?.scrollIntoView({ behavior: 'smooth' });
}, [displayMessages]);
// Render different content based on mode
// Master mode - handles everything and creates second iframe dynamically
useEffect(() => {
if (mode !== 'master') return;
// Create the chat window iframe dynamically when needed
const createChatWindow = () => {
// Check if iframe already exists in parent document
window.parent.postMessage(
{
type: 'CREATE_CHAT_WINDOW',
src: window.location.href.replace('mode=master', 'mode=window'),
},
'*',
);
};
createChatWindow();
// Listen for our own toggle events to show/hide the dynamic iframe
const handleToggle = (e: MessageEvent) => {
if (e.source === window) return; // Ignore our own messages
const chatWindow = document.getElementById(
'dynamic-chat-window',
) as HTMLIFrameElement;
if (chatWindow && e.data.type === 'TOGGLE_CHAT') {
chatWindow.style.display = e.data.isOpen ? 'block' : 'none';
}
};
window.addEventListener('message', handleToggle);
return () => window.removeEventListener('message', handleToggle);
}, [mode]);
// Play sound only when AI response is complete (not streaming chunks)
useEffect(() => {
if (derivedMessages && derivedMessages.length > 0 && !sendLoading) {
const lastMessage = derivedMessages[derivedMessages.length - 1];
if (
lastMessage.role === MessageType.Assistant &&
lastMessage.id !== lastResponseId &&
derivedMessages.length > 1
) {
setLastResponseId(lastMessage.id || '');
playResponseSound();
}
}
}, [derivedMessages, sendLoading, lastResponseId, playResponseSound]);
const toggleChat = useCallback(() => {
if (mode === 'button') {
// In button mode, communicate with parent window to show/hide chat window
window.parent.postMessage(
{
type: 'TOGGLE_CHAT',
isOpen: !isOpen,
},
'*',
);
setIsOpen(!isOpen);
if (!isOpen) {
playNotificationSound();
}
} else {
// In full mode, handle locally
if (!isOpen) {
setIsOpen(true);
setIsMinimized(false);
playNotificationSound();
} else {
setIsOpen(false);
setIsMinimized(false);
}
}
}, [isOpen, mode, playNotificationSound]);
const minimizeChat = useCallback(() => {
setIsMinimized(true);
}, []);
const handleSendMessage = useCallback(() => {
if (!inputValue.trim() || sendLoading) return;
// Update the hook's internal state first
const syntheticEvent = {
target: { value: inputValue },
currentTarget: { value: inputValue },
preventDefault: () => {},
} as any;
handleInputChange(syntheticEvent);
// Wait for state to update, then send
setTimeout(() => {
handlePressEnter([]);
// Clear our local input after sending
setInputValue('');
}, 50);
}, [inputValue, sendLoading, handleInputChange, handlePressEnter]);
const handleKeyPress = useCallback(
(e: React.KeyboardEvent) => {
if (e.key === 'Enter' && !e.shiftKey) {
e.preventDefault();
handleSendMessage();
}
},
[handleSendMessage],
);
if (!conversationId) {
return (
<div className="fixed bottom-5 right-5 z-50">
<div className="bg-red-500 text-white p-4 rounded-lg shadow-lg">
Error: No conversation ID provided
</div>
</div>
);
}
// Remove the blocking return - we'll handle visibility with CSS instead
const messageCount = displayMessages?.length || 0;
// Show just the button in master mode
if (mode === 'master') {
return (
<div
className={`fixed bottom-6 right-6 z-50 transition-opacity duration-300 ${isLoaded ? 'opacity-100' : 'opacity-0'}`}
>
<button
type="button"
onClick={() => {
const newIsOpen = !isOpen;
setIsOpen(newIsOpen);
if (newIsOpen) playNotificationSound();
// Tell the parent to show/hide the dynamic iframe
window.parent.postMessage(
{
type: 'TOGGLE_CHAT',
isOpen: newIsOpen,
},
'*',
);
}}
className={`w-14 h-14 bg-blue-600 hover:bg-blue-700 text-white rounded-full transition-all duration-300 flex items-center justify-center group ${
isOpen ? 'scale-95' : 'scale-100 hover:scale-105'
}`}
>
<div
className={`transition-transform duration-300 ${isOpen ? 'rotate-45' : 'rotate-0'}`}
>
{isOpen ? <X size={24} /> : <MessageCircle size={24} />}
</div>
</button>
{/* Unread Badge */}
{!isOpen && messageCount > 0 && (
<div className="absolute -top-2 -right-2 w-6 h-6 bg-red-500 text-white text-xs font-bold rounded-full flex items-center justify-center animate-pulse">
{messageCount > 9 ? '9+' : messageCount}
</div>
)}
</div>
);
}
if (mode === 'button') {
// Only render the floating button
return (
<div
className={`fixed bottom-6 right-6 z-50 transition-opacity duration-300 ${isLoaded ? 'opacity-100' : 'opacity-0'}`}
>
<button
type="button"
onClick={toggleChat}
className={`w-14 h-14 bg-blue-600 hover:bg-blue-700 text-white rounded-full transition-all duration-300 flex items-center justify-center group ${
isOpen ? 'scale-95' : 'scale-100 hover:scale-105'
}`}
>
<div
className={`transition-transform duration-300 ${isOpen ? 'rotate-45' : 'rotate-0'}`}
>
{isOpen ? <X size={24} /> : <MessageCircle size={24} />}
</div>
</button>
{/* Unread Badge */}
{!isOpen && messageCount > 0 && (
<div className="absolute -top-2 -right-2 w-6 h-6 bg-red-500 text-white text-xs font-bold rounded-full flex items-center justify-center animate-pulse">
{messageCount > 9 ? '9+' : messageCount}
</div>
)}
</div>
);
}
if (mode === 'window') {
// Only render the chat window (always open)
return (
<>
<div
className={`fixed top-0 left-0 z-50 bg-blue-600 rounded-2xl transition-all duration-300 ease-out h-[500px] w-[380px] overflow-hidden ${isLoaded ? 'opacity-100' : 'opacity-0'}`}
>
{/* Header */}
<div className="flex items-center justify-between p-4 bg-gradient-to-r from-blue-600 to-blue-700 text-white rounded-t-2xl">
<div className="flex items-center space-x-3">
<div className="w-8 h-8 bg-white bg-opacity-20 rounded-full flex items-center justify-center">
<MessageCircle size={18} />
</div>
<div>
<h3 className="font-semibold text-sm">
{title || 'Chat Support'}
</h3>
<p className="text-xs text-blue-100">
We typically reply instantly
</p>
</div>
</div>
</div>
{/* Messages and Input */}
<div
className="flex flex-col h-[436px] bg-white"
style={{ borderRadius: '0 0 16px 16px' }}
>
<div
className="flex-1 overflow-y-auto p-4 space-y-4"
onWheel={(e) => {
const element = e.currentTarget;
const isAtTop = element.scrollTop === 0;
const isAtBottom =
element.scrollTop + element.clientHeight >=
element.scrollHeight - 1;
// Allow scroll to pass through to parent when at boundaries
if ((isAtTop && e.deltaY < 0) || (isAtBottom && e.deltaY > 0)) {
e.preventDefault();
// Let the parent handle the scroll
window.parent.postMessage(
{
type: 'SCROLL_PASSTHROUGH',
deltaY: e.deltaY,
},
'*',
);
}
}}
>
{displayMessages?.map((message, index) => (
<div
key={index}
className={`flex ${message.role === MessageType.User ? 'justify-end' : 'justify-start'}`}
>
<div
className={`max-w-[280px] px-4 py-2 rounded-2xl ${
message.role === MessageType.User
? 'bg-blue-600 text-white rounded-br-md'
: 'bg-gray-100 text-gray-800 rounded-bl-md'
}`}
>
{message.role === MessageType.User ? (
<p className="text-sm leading-relaxed whitespace-pre-wrap">
{message.content}
</p>
) : (
<FloatingChatWidgetMarkdown
loading={false}
content={message.content}
reference={
message.reference || {
doc_aggs: [],
chunks: [],
total: 0,
}
}
clickDocumentButton={clickDocumentButton}
/>
)}
</div>
</div>
))}
{/* Clean Typing Indicator */}
{sendLoading && !enableStreaming && (
<div className="flex justify-start pl-4">
<div className="flex space-x-1">
<div className="w-2 h-2 bg-blue-500 rounded-full animate-bounce"></div>
<div
className="w-2 h-2 bg-blue-500 rounded-full animate-bounce"
style={{ animationDelay: '0.1s' }}
></div>
<div
className="w-2 h-2 bg-blue-500 rounded-full animate-bounce"
style={{ animationDelay: '0.2s' }}
></div>
</div>
</div>
)}
<div ref={messagesEndRef} />
</div>
{/* Input Area */}
<div className="border-t border-gray-200 p-4">
<div className="flex items-end space-x-3">
<div className="flex-1">
<textarea
value={inputValue}
onChange={(e) => {
const newValue = e.target.value;
setInputValue(newValue);
handleInputChange(e);
}}
onKeyPress={handleKeyPress}
placeholder="Type your message..."
rows={1}
className="w-full resize-none border border-gray-300 rounded-2xl px-4 py-3 text-sm focus:outline-none focus:ring-2 focus:ring-blue-500 focus:border-transparent text-black"
style={{ minHeight: '44px', maxHeight: '120px' }}
disabled={hasError || sendLoading}
/>
</div>
<button
type="button"
onClick={handleSendMessage}
disabled={!inputValue.trim() || sendLoading}
className="p-3 bg-blue-600 text-white rounded-full hover:bg-blue-700 disabled:opacity-50 disabled:cursor-not-allowed transition-colors"
>
<Send size={18} />
</button>
</div>
</div>
</div>
</div>
{visible && (
<PdfSheet
visible={visible}
hideModal={hideModal}
documentId={documentId}
chunk={selectedChunk}
width={'100vw'}
height={'100vh'}
/>
)}
</>
);
} // Full mode - render everything together (original behavior)
return (
<div
className={`transition-opacity duration-300 ${isLoaded ? 'opacity-100' : 'opacity-0'}`}
>
{/* Chat Widget Container */}
{isOpen && (
<div
className={`fixed bottom-24 right-6 z-50 bg-blue-600 rounded-2xl transition-all duration-300 ease-out ${
isMinimized ? 'h-16' : 'h-[500px]'
} w-[380px] overflow-hidden`}
>
{/* Header */}
<div className="flex items-center justify-between p-4 bg-gradient-to-r from-blue-600 to-blue-700 text-white rounded-t-2xl">
<div className="flex items-center space-x-3">
<div className="w-8 h-8 bg-white bg-opacity-20 rounded-full flex items-center justify-center">
<MessageCircle size={18} />
</div>
<div>
<h3 className="font-semibold text-sm">
{title || 'Chat Support'}
</h3>
<p className="text-xs text-blue-100">
We typically reply instantly
</p>
</div>
</div>
<div className="flex items-center space-x-1">
<button
type="button"
onClick={minimizeChat}
className="p-1.5 hover:bg-white hover:bg-opacity-20 rounded-full transition-colors"
>
<Minimize2 size={16} />
</button>
<button
type="button"
onClick={toggleChat}
className="p-1.5 hover:bg-white hover:bg-opacity-20 rounded-full transition-colors"
>
<X size={16} />
</button>
</div>
</div>
{/* Messages Container */}
{!isMinimized && (
<div
className="flex flex-col h-[436px] bg-white"
style={{ borderRadius: '0 0 16px 16px' }}
>
<div
className="flex-1 overflow-y-auto p-4 space-y-4"
onWheel={(e) => {
const element = e.currentTarget;
const isAtTop = element.scrollTop === 0;
const isAtBottom =
element.scrollTop + element.clientHeight >=
element.scrollHeight - 1;
// Allow scroll to pass through to parent when at boundaries
if (
(isAtTop && e.deltaY < 0) ||
(isAtBottom && e.deltaY > 0)
) {
e.preventDefault();
// Let the parent handle the scroll
window.parent.postMessage(
{
type: 'SCROLL_PASSTHROUGH',
deltaY: e.deltaY,
},
'*',
);
}
}}
>
{displayMessages?.map((message, index) => (
<div
key={index}
className={`flex ${message.role === MessageType.User ? 'justify-end' : 'justify-start'}`}
>
<div
className={`max-w-[280px] px-4 py-2 rounded-2xl ${
message.role === MessageType.User
? 'bg-blue-600 text-white rounded-br-md'
: 'bg-gray-100 text-gray-800 rounded-bl-md'
}`}
>
{message.role === MessageType.User ? (
<p className="text-sm leading-relaxed whitespace-pre-wrap">
{message.content}
</p>
) : (
<FloatingChatWidgetMarkdown
loading={false}
content={message.content}
reference={
message.reference || {
doc_aggs: [],
chunks: [],
total: 0,
}
}
clickDocumentButton={clickDocumentButton}
/>
)}
</div>
</div>
))}
{/* Typing Indicator */}
{sendLoading && (
<div className="flex justify-start">
<div className="bg-gray-100 rounded-2xl rounded-bl-md px-4 py-3">
<div className="flex space-x-1">
<div className="w-2 h-2 bg-gray-400 rounded-full animate-bounce"></div>
<div
className="w-2 h-2 bg-gray-400 rounded-full animate-bounce"
style={{ animationDelay: '0.1s' }}
></div>
<div
className="w-2 h-2 bg-gray-400 rounded-full animate-bounce"
style={{ animationDelay: '0.2s' }}
></div>
</div>
</div>
</div>
)}
<div ref={messagesEndRef} />
</div>
{/* Input Area */}
<div className="border-t border-gray-200 p-4">
<div className="flex items-end space-x-3">
<div className="flex-1">
<textarea
value={inputValue}
onChange={(e) => {
const newValue = e.target.value;
setInputValue(newValue);
// Also update the hook's state
handleInputChange(e);
}}
onKeyPress={handleKeyPress}
placeholder="Type your message..."
rows={1}
className="w-full resize-none border border-gray-300 rounded-2xl px-4 py-3 text-sm focus:outline-none focus:ring-2 focus:ring-blue-500 focus:border-transparent text-black"
style={{ minHeight: '44px', maxHeight: '120px' }}
disabled={hasError || sendLoading}
/>
</div>
<button
type="button"
onClick={handleSendMessage}
disabled={!inputValue.trim() || sendLoading}
className="p-3 bg-blue-600 text-white rounded-full hover:bg-blue-700 disabled:opacity-50 disabled:cursor-not-allowed transition-colors"
>
<Send size={18} />
</button>
</div>
</div>
</div>
)}
</div>
)}
{/* Floating Button */}
<div className="fixed bottom-6 right-6 z-50">
<button
type="button"
onClick={toggleChat}
className={`w-14 h-14 bg-blue-600 hover:bg-blue-700 text-white rounded-full transition-all duration-300 flex items-center justify-center group ${
isOpen ? 'scale-95' : 'scale-100 hover:scale-105'
}`}
>
<div
className={`transition-transform duration-300 ${isOpen ? 'rotate-45' : 'rotate-0'}`}
>
{isOpen ? <X size={24} /> : <MessageCircle size={24} />}
</div>
</button>
{/* Unread Badge */}
{!isOpen && messageCount > 0 && (
<div className="absolute -top-2 -right-2 w-6 h-6 bg-red-500 text-white text-xs font-bold rounded-full flex items-center justify-center animate-pulse">
{messageCount > 9 ? '9+' : messageCount}
</div>
)}
</div>
<PdfSheet
visible={visible}
hideModal={hideModal}
documentId={documentId}
chunk={selectedChunk}
/>
</div>
);
};
export default FloatingChatWidget;