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import { ReactComponent as AssistantIcon } from '@/assets/svg/assistant.svg';
import { MessageType } from '@/constants/chat';
import { useTranslate } from '@/hooks/commonHooks';
import { IReference, Message } from '@/interfaces/database/chat';
import { Avatar, Button, Flex, Input, List, Spin } from 'antd';
import classNames from 'classnames';
import NewDocumentLink from '@/components/new-document-link';
import SvgIcon from '@/components/svg-icon';
import { useGetDocumentUrl } from '@/hooks/documentHooks';
import { useSelectFileThumbnails } from '@/hooks/knowledgeHook';
import { getExtension, isPdf } from '@/utils/documentUtils';
import { forwardRef, useMemo } from 'react';
import MarkdownContent from '../markdown-content';
import {
useCreateSharedConversationOnMount,
useSelectCurrentSharedConversation,
useSendSharedMessage,
} from '../shared-hooks';
import { buildMessageItemReference } from '../utils';
import styles from './index.less';
const MessageItem = ({
item,
reference,
loading = false,
}: {
item: Message;
reference: IReference;
loading?: boolean;
}) => {
const isAssistant = item.role === MessageType.Assistant;
const { t } = useTranslate('chat');
const fileThumbnails = useSelectFileThumbnails();
const getDocumentUrl = useGetDocumentUrl();
const referenceDocumentList = useMemo(() => {
return reference?.doc_aggs ?? [];
}, [reference?.doc_aggs]);
const content = useMemo(() => {
let text = item.content;
if (text === '') {
text = t('searching');
}
return loading ? text?.concat('~~2$$') : text;
}, [item.content, loading, t]);
return (
<div
className={classNames(styles.messageItem, {
[styles.messageItemLeft]: item.role === MessageType.Assistant,
[styles.messageItemRight]: item.role === MessageType.User,
})}
>
<section
className={classNames(styles.messageItemSection, {
[styles.messageItemSectionLeft]: item.role === MessageType.Assistant,
[styles.messageItemSectionRight]: item.role === MessageType.User,
})}
>
<div
className={classNames(styles.messageItemContent, {
[styles.messageItemContentReverse]: item.role === MessageType.User,
})}
>
{item.role === MessageType.User ? (
<Avatar
size={40}
src={
'https://zos.alipayobjects.com/rmsportal/jkjgkEfvpUPVyRjUImniVslZfWPnJuuZ.png'
}
/>
) : (
<AssistantIcon></AssistantIcon>
)}
<Flex vertical gap={8} flex={1}>
<b>{isAssistant ? '' : 'You'}</b>
<div className={styles.messageText}>
<MarkdownContent
reference={reference}
clickDocumentButton={() => {}}
content={content}
></MarkdownContent>
</div>
{isAssistant && referenceDocumentList.length > 0 && (
<List
bordered
dataSource={referenceDocumentList}
renderItem={(item) => {
const fileThumbnail = fileThumbnails[item.doc_id];
const fileExtension = getExtension(item.doc_name);
return (
<List.Item>
<Flex gap={'small'} align="center">
{fileThumbnail ? (
<img src={fileThumbnail}></img>
) : (
<SvgIcon
name={`file-icon/${fileExtension}`}
width={24}
></SvgIcon>
)}
<NewDocumentLink
link={getDocumentUrl(item.doc_id)}
preventDefault={!isPdf(item.doc_name)}
>
{item.doc_name}
</NewDocumentLink>
</Flex>
</List.Item>
);
}}
/>
)}
</Flex>
</div>
</section>
</div>
);
};
const ChatContainer = () => {
const { t } = useTranslate('chat');
const { conversationId } = useCreateSharedConversationOnMount();
const {
currentConversation: conversation,
addNewestConversation,
removeLatestMessage,
ref,
loading,
setCurrentConversation,
addNewestAnswer,
} = useSelectCurrentSharedConversation(conversationId);
const {
handlePressEnter,
handleInputChange,
value,
loading: sendLoading,
} = useSendSharedMessage(
conversation,
addNewestConversation,
removeLatestMessage,
setCurrentConversation,
addNewestAnswer,
);
return (
<>
<Flex flex={1} className={styles.chatContainer} vertical>
<Flex flex={1} vertical className={styles.messageContainer}>
<div>
<Spin spinning={loading}>
{conversation?.message?.map((message, i) => {
return (
<MessageItem
key={message.id}
item={message}
reference={buildMessageItemReference(conversation, message)}
loading={
message.role === MessageType.Assistant &&
sendLoading &&
conversation?.message.length - 1 === i
}
></MessageItem>
);
})}
</Spin>
</div>
<div ref={ref} />
</Flex>
<Input
size="large"
placeholder={t('sendPlaceholder')}
value={value}
// disabled={disabled}
suffix={
<Button
type="primary"
onClick={handlePressEnter}
loading={sendLoading}
// disabled={disabled}
>
{t('send')}
</Button>
}
onPressEnter={handlePressEnter}
onChange={handleInputChange}
/>
</Flex>
</>
);
};
export default forwardRef(ChatContainer);
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