Files
zn-ai/src/components/chat/ChatHistoryPanel.tsx

310 lines
14 KiB
TypeScript

import { memo, useEffect, useRef, useState } from 'react';
import {
ChevronDown,
LoaderCircle,
MoreHorizontal,
PanelLeftClose,
PanelLeftOpen,
PencilLine,
Plus,
Trash2,
} from 'lucide-react';
import type { ChatHistoryBucket } from './types';
import blueLogo from '../../assets/images/login/blue_logo.png';
import { useI18n } from '../../i18n';
type ChatHistoryPanelProps = {
buckets: ChatHistoryBucket[];
selectedConversationId?: string;
loading?: boolean;
onNewChat?: () => void;
onSelectConversation?: (conversationId: string) => void;
onRenameConversation?: (conversationId: string) => void;
onDeleteConversation?: (conversationId: string) => void;
};
type MenuState = {
conversationId: string;
} | null;
function cx(...classes: Array<string | false | null | undefined>): string {
return classes.filter(Boolean).join(' ');
}
function ChatHistoryPanel({
buckets,
selectedConversationId,
loading,
onNewChat,
onSelectConversation,
onRenameConversation,
onDeleteConversation,
}: ChatHistoryPanelProps) {
const { t } = useI18n();
const panelRef = useRef<HTMLElement | null>(null);
const [collapsedBuckets, setCollapsedBuckets] = useState<Record<string, boolean>>({});
const [menuState, setMenuState] = useState<MenuState>(null);
const [isCompact, setIsCompact] = useState(false);
useEffect(() => {
setCollapsedBuckets((current) => {
const next: Record<string, boolean> = {};
const currentKeys = Object.keys(current);
let changed = currentKeys.length !== buckets.length;
for (const bucket of buckets) {
next[bucket.key] = current[bucket.key] ?? false;
if (current[bucket.key] !== next[bucket.key]) {
changed = true;
}
}
return changed ? next : current;
});
}, [buckets]);
useEffect(() => {
if (!menuState) {
return;
}
const handlePointerDown = (event: PointerEvent) => {
const target = event.target as HTMLElement | null;
if (!target) {
setMenuState(null);
return;
}
if (target.closest('[data-chat-history-menu="true"]')) {
return;
}
if (!panelRef.current?.contains(target)) {
setMenuState(null);
return;
}
if (!target.closest('[data-chat-history-menu-toggle="true"]')) {
setMenuState(null);
}
};
const handleEscape = (event: KeyboardEvent) => {
if (event.key === 'Escape') {
setMenuState(null);
}
};
document.addEventListener('pointerdown', handlePointerDown);
document.addEventListener('keydown', handleEscape);
return () => {
document.removeEventListener('pointerdown', handlePointerDown);
document.removeEventListener('keydown', handleEscape);
};
}, [menuState]);
const panelWidthClass = isCompact ? 'md:w-[70px] lg:w-[70px]' : 'md:w-[240px] lg:w-[252px]';
const toggleSidebarLabel = isCompact
? t('conversation.historyPanel.expandSidebar')
: t('conversation.historyPanel.collapseSidebar');
return (
<aside
ref={panelRef}
className={cx(
'flex h-full min-h-0 w-full flex-none flex-col transition-[width] duration-300',
panelWidthClass,
)}
>
<div className="flex h-full min-h-0 flex-col bg-[#fbfcfe] px-3 py-3 dark:border-[#2a2a2d] dark:bg-[#1b1b1d]">
<div className={cx('flex items-center justify-between gap-3', isCompact && 'flex-col items-center')}>
{!isCompact ? (
<div className={cx('flex min-w-0 items-center gap-3', isCompact && 'flex-col gap-2')}>
<div className="flex h-12 w-12 flex-none items-center justify-center overflow-hidden rounded-2xl border border-white bg-white shadow-[0_6px_16px_rgba(15,23,42,0.08)]">
<img className="h-full w-full object-cover" src={blueLogo} alt="YINIAN" />
</div>
<div className="truncate whitespace-nowrap text-[20px] font-semibold tracking-[0.06em] text-[#111827] dark:text-gray-50">
YINIAN
</div>
</div>
) : null}
<button
type="button"
className={cx(
'inline-flex h-12 w-12 items-center justify-center rounded-lg border text-[#64748b] transition-colors hover:text-[#111827] dark:border-[#2a2a2d] dark:text-gray-300 dark:hover:border-[#3a3a3f] dark:hover:text-gray-100',
isCompact ? 'border-[#e3eaf3]' : 'border-transparent',
)}
title={toggleSidebarLabel}
aria-label={toggleSidebarLabel}
onClick={() => {
setMenuState(null);
setIsCompact((current) => !current);
}}
>
{isCompact ? <PanelLeftOpen /> : <PanelLeftClose />}
</button>
</div>
<button
type="button"
className={cx(
'mt-4 inline-flex h-12 items-center justify-center gap-2 rounded-lg border border-[#e3eaf3] bg-white px-4 text-[15px] font-medium text-[#111827] shadow-[0_4px_14px_rgba(15,23,42,0.05)] transition-all hover:-translate-y-px hover:border-[#d5e3f4] hover:shadow-[0_10px_24px_rgba(15,23,42,0.08)] dark:border-[#2a2a2d] dark:bg-[#202024] dark:text-gray-100 dark:hover:border-[#3a3a3f]',
isCompact && 'px-0',
)}
title={t('conversation.newConversation')}
aria-label={t('conversation.newConversation')}
onClick={onNewChat}
>
<Plus className="h-5 w-5 flex-none" />
{!isCompact ? <span className="whitespace-nowrap">{t('conversation.newConversation')}</span> : null}
</button>
<div className="min-h-0 flex-1 overflow-y-auto pt-4">
{loading ? (
<div className="flex flex-col items-center justify-center gap-3 rounded-lg border border-dashed border-[#dbe7f4] bg-white p-4 text-sm text-[#94a3b8] shadow-[0_4px_14px_rgba(15,23,42,0.04)] dark:border-[#2a2a2d] dark:bg-[#202024] dark:text-gray-400">
<LoaderCircle className="h-5 w-5 animate-spin text-[#8bb7ff]" />
{t('conversation.historyPanel.loading')}
</div>
) : null}
{!isCompact
? buckets.map((bucket) => {
const isCollapsed = collapsedBuckets[bucket.key] ?? false;
return (
<section key={bucket.key} className="mb-4 last:mb-0">
{bucket.sessions.length ? (
<button
type="button"
className="flex w-full items-center justify-between rounded-lg border border-[#e5edf7] p-2 text-left transition-colors dark:border-[#2f3136] dark:bg-[#202024]"
aria-expanded={!isCollapsed}
onClick={() => {
setMenuState(null);
setCollapsedBuckets((current) => ({
...current,
[bucket.key]: !current[bucket.key],
}));
}}
>
<div className="flex items-center gap-2">
<span className="text-[14px] font-medium text-[#94a3b8] dark:text-gray-400">{bucket.label}</span>
<span className="text-[11px] text-[#c2cad6] dark:text-gray-600">{bucket.sessions.length}</span>
</div>
<ChevronDown
className={cx(
'h-4 w-4 text-[#b2bccb] transition-transform duration-200 dark:text-gray-500',
isCollapsed && '-rotate-90',
)}
/>
</button>
) : null}
{!isCollapsed ? (
<ul className="mt-2 space-y-2">
{bucket.sessions.map((session) => {
const isActive = session.conversationId === selectedConversationId;
const isMenuOpen = menuState?.conversationId === session.conversationId;
const canDelete = Boolean(onDeleteConversation) && session.canDelete !== false;
return (
<li key={session.conversationId}>
<div className="group relative">
<button
type="button"
className={cx(
'flex w-full items-center gap-2 rounded-lg px-2 py-2 pr-11 text-left text-[12px] transition-all',
isActive
? 'text-[#111827] shadow-[0_4px_14px_rgba(15,23,42,0.06)] dark:text-gray-50'
: 'border border-transparent text-[#5b6472] hover:border-[#e5edf7] hover:bg-white hover:text-[#111827] hover:shadow-[0_4px_14px_rgba(15,23,42,0.05)] dark:text-gray-400 dark:hover:border-[#2a2a2d] dark:hover:bg-[#202024] dark:hover:text-gray-100',
)}
onClick={() => {
setMenuState(null);
onSelectConversation?.(session.conversationId);
}}
>
<span
className={cx(
'h-2 w-2 flex-none rounded-full transition-colors',
isActive ? 'bg-[#9fc4ff]' : 'bg-[#c7dcff]',
)}
/>
<span className="min-w-0 flex-1 truncate">{session.title}</span>
</button>
<button
type="button"
data-chat-history-menu-toggle="true"
className={cx(
'absolute right-2 top-1/2 inline-flex h-7 w-7 -translate-y-1/2 items-center justify-center rounded-full border border-transparent text-[#9aa5b1] transition-all hover:bg-[#f1f5f9] hover:text-[#111827] dark:hover:bg-[#2a2a2d] dark:hover:text-gray-100',
isActive || isMenuOpen
? 'opacity-100'
: 'pointer-events-none opacity-0 group-hover:pointer-events-auto group-hover:opacity-100',
)}
title={t('conversation.historyPanel.moreActions')}
aria-label={t('conversation.historyPanel.moreActions')}
onClick={(event) => {
event.stopPropagation();
setMenuState((current) =>
current?.conversationId === session.conversationId
? null
: { conversationId: session.conversationId },
);
}}
>
<MoreHorizontal className="h-4 w-4" />
</button>
{isMenuOpen ? (
<div
data-chat-history-menu="true"
className="absolute right-1 top-full z-20 mt-2 w-32 overflow-hidden rounded-[14px] border border-[#e5edf7] bg-white shadow-[0_16px_28px_rgba(15,23,42,0.12)] dark:border-[#2f3136] dark:bg-[#202024]"
>
<button
type="button"
className="flex w-full items-center gap-2 px-3 py-2.5 text-left text-sm text-[#111827] transition-colors hover:bg-[#f4f8fc] dark:text-gray-100 dark:hover:bg-[#2a2a2d]"
disabled={!onRenameConversation}
onClick={(event) => {
event.stopPropagation();
setMenuState(null);
onRenameConversation?.(session.conversationId);
}}
>
<PencilLine className="h-4 w-4 text-[#94a3b8]" />
{t('conversation.historyPanel.rename')}
</button>
{canDelete ? (
<button
type="button"
className="flex w-full items-center gap-2 border-t border-[#eef3f9] px-3 py-2.5 text-left text-sm text-[#ef4444] transition-colors hover:bg-[#fff5f5] disabled:cursor-not-allowed disabled:text-[#f5a2a2] dark:border-[#2f3136] dark:hover:bg-[#2a2a2d]"
onClick={(event) => {
event.stopPropagation();
setMenuState(null);
onDeleteConversation?.(session.conversationId);
}}
>
<Trash2 className="h-4 w-4" />
{t('conversation.historyPanel.delete')}
</button>
) : null}
</div>
) : null}
</div>
</li>
);
})}
</ul>
) : null}
</section>
);
})
: null}
</div>
</div>
</aside>
);
}
export default memo(ChatHistoryPanel);