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489import React, { useEffect, useRef, useState } from 'react';
import {
Button,
Form,
Label,
Modal,
Pagination,
Popup,
Table,
} from 'semantic-ui-react';
import {
API,
openPage,
showError,
showInfo,
showSuccess,
showWarning,
} from '../helpers';
import { ITEMS_PER_PAGE } from '../constants';
import { renderTimestamp } from '../helpers/render';
import { Link } from 'react-router-dom';
import { marked } from 'marked';
function renderStatus(status) {
switch (status) {
case 1:
return (
<Label basic color='olive'>
正在发送
</Label>
);
case 2:
return (
<Label basic color='green'>
发送成功
</Label>
);
case 3:
return (
<Label basic color='red'>
发送失败
</Label>
);
case 4:
return (
<Label basic color='orange'>
已在队列
</Label>
);
default:
return (
<Label basic color='grey'>
未知状态
</Label>
);
}
}
const MessagesTable = () => {
const [messages, setMessages] = useState([]);
const [loading, setLoading] = useState(true);
const [autoRefresh, setAutoRefresh] = useState(true);
const [autoRefreshSeconds, setAutoRefreshSeconds] = useState(10);
const autoRefreshSecondsRef = useRef(autoRefreshSeconds);
const [activePage, setActivePage] = useState(1);
const [searchKeyword, setSearchKeyword] = useState('');
const [searching, setSearching] = useState(false);
const [message, setMessage] = useState({
title: '消息标题',
description: '消息描述',
content: '消息内容',
link: '',
}); // Message to be viewed
const [viewModalOpen, setViewModalOpen] = useState(false);
const loadMessages = async (startIdx) => {
setLoading(true);
const res = await API.get(`/api/message/?p=${startIdx}`);
const { success, message, data } = res.data;
if (success) {
if (startIdx === 0) {
setMessages(data);
} else {
let newMessages = messages;
newMessages.push(...data);
setMessages(newMessages);
}
} else {
showError(message);
}
setLoading(false);
};
const onPaginationChange = (e, { activePage }) => {
(async () => {
if (activePage === Math.ceil(messages.length / ITEMS_PER_PAGE) + 1) {
// In this case we have to load more data and then append them.
await loadMessages(activePage - 1);
}
setActivePage(activePage);
})();
};
const checkPermission = async () => {
// Check global permission
let res = await API.get('/api/status');
const { success, data } = res.data;
if (success) {
if (data.message_persistence) {
return;
}
}
// Check user permission
{
let res = await API.get('/api/user/self');
const { success, message, data } = res.data;
if (success) {
if (data.save_message_to_database !== 1) {
showWarning('您没有消息持久化的权限，消息未保存，请联系管理员。');
}
} else {
showError(message);
}
}
};
useEffect(() => {
loadMessages(0)
.then()
.catch((reason) => {
showError(reason);
});
checkPermission().then();
const connectEventSource = () => {
const eventSource = new EventSource('/api/message/stream');
eventSource.onmessage = (e) => {
const newMessage = JSON.parse(e.data);
insertNewMessage(newMessage);
};
eventSource.onerror = () => {
showError('服务端消息推送流连接出错！即将重试...');
eventSource.close();
setTimeout(connectEventSource, 1000); // 1000ms
};
return eventSource;
};
const eventSource = connectEventSource();
showInfo('服务器消息推送流已连接，您将实时收到新消息');
return () => {
eventSource.close();
};
}, []);
const viewMessage = async (id) => {
setLoading(true);
const res = await API.get(`/api/message/${id}`);
const { success, message, data } = res.data;
if (success) {
setMessage(data);
setViewModalOpen(true);
} else {
showError(message);
}
setLoading(false);
};
const resendMessage = async (id) => {
setLoading(true);
const res = await API.post(`/api/message/resend/${id}`);
const { success, message } = res.data;
if (success) {
showSuccess('消息已重新发送！');
} else {
showError(message);
}
setLoading(false);
};
const deleteMessage = async (id, idx) => {
setLoading(true);
const res = await API.delete(`/api/message/${id}`);
const { success, message } = res.data;
if (success) {
showSuccess('操作成功完成！');
let newMessages = [...messages];
let realIdx = (activePage - 1) * ITEMS_PER_PAGE + idx;
newMessages[realIdx].deleted = true;
setMessages(newMessages);
} else {
showError(message);
}
setLoading(false);
};
const searchMessages = async () => {
if (searchKeyword === '') {
// if keyword is blank, load files instead.
await loadMessages(0);
setActivePage(1);
return;
}
setSearching(true);
const res = await API.get(`/api/message/search?keyword=${searchKeyword}`);
const { success, message, data } = res.data;
if (success) {
setMessages(data);
setActivePage(1);
} else {
showError(message);
}
setSearching(false);
};
const handleKeywordChange = async (e, { value }) => {
setSearchKeyword(value.trim());
};
const sortMessage = (key) => {
if (messages.length === 0) return;
setLoading(true);
let sortedMessages = [...messages];
sortedMessages.sort((a, b) => {
return ('' + a[key]).localeCompare(b[key]);
});
if (sortedMessages[0].id === messages[0].id) {
sortedMessages.reverse();
}
setMessages(sortedMessages);
setLoading(false);
};
const insertNewMessage = (message) => {
console.log(messages);
setMessages((messages) => {
let newMessages = [message];
newMessages.push(...messages);
return newMessages;
});
setActivePage(1);
};
const refresh = async () => {
await loadMessages(0);
setActivePage(1);
};
useEffect(() => {
let intervalId;
if (autoRefresh) {
intervalId = setInterval(() => {
if (autoRefreshSecondsRef.current === 0) {
refresh().then();
setAutoRefreshSeconds(10);
autoRefreshSecondsRef.current = 10;
} else {
autoRefreshSecondsRef.current -= 1;
setAutoRefreshSeconds((autoRefreshSeconds) => autoRefreshSeconds - 1); // Important!
}
}, 1000);
}
return () => clearInterval(intervalId);
}, [autoRefresh]);
return (
<>
<Form onSubmit={searchMessages}>
<Form.Input
icon='search'
fluid
iconPosition='left'
placeholder='搜索消息的 ID，标题，描述，以及消息内容 ...'
value={searchKeyword}
loading={searching}
onChange={handleKeywordChange}
/>
</Form>
<Table basic loading={loading}>
<Table.Header>
<Table.Row>
<Table.HeaderCell
style={{ cursor: 'pointer' }}
onClick={() => {
sortMessage('id');
}}
>
消息 ID
</Table.HeaderCell>
<Table.HeaderCell
style={{ cursor: 'pointer' }}
onClick={() => {
sortMessage('title');
}}
>
标题
</Table.HeaderCell>
<Table.HeaderCell
style={{ cursor: 'pointer' }}
onClick={() => {
sortMessage('channel');
}}
>
通道
</Table.HeaderCell>
<Table.HeaderCell
style={{ cursor: 'pointer' }}
onClick={() => {
sortMessage('timestamp');
}}
>
发送时间
</Table.HeaderCell>
<Table.HeaderCell
style={{ cursor: 'pointer' }}
onClick={() => {
sortMessage('status');
}}
>
状态
</Table.HeaderCell>
<Table.HeaderCell>操作</Table.HeaderCell>
</Table.Row>
</Table.Header>
<Table.Body>
{messages
.slice(
(activePage - 1) * ITEMS_PER_PAGE,
activePage * ITEMS_PER_PAGE
)
.map((message, idx) => {
if (message.deleted) return <></>;
return (
<Table.Row key={message.id}>
<Table.Cell>{'#' + message.id}</Table.Cell>
<Table.Cell>
{message.title ? message.title : '无标题'}
</Table.Cell>
<Table.Cell>
<Label>{message.channel}</Label>
</Table.Cell>
<Table.Cell>{renderTimestamp(message.timestamp)}</Table.Cell>
<Table.Cell>{renderStatus(message.status)}</Table.Cell>
<Table.Cell>
<div>
<Button
size={'small'}
positive
loading={loading}
onClick={() => {
viewMessage(message.id).then();
}}
>
查看
</Button>
<Button
size={'small'}
primary
loading={loading}
as={Link}
to={'/editor/' + message.id}
>
编辑
</Button>
<Button
size={'small'}
color={'yellow'}
loading={loading}
onClick={() => {
resendMessage(message.id).then();
}}
>
重发
</Button>
<Popup
trigger={
<Button size='small' negative>
删除
</Button>
}
on='click'
flowing
hoverable
>
<Button
size={'small'}
negative
loading={loading}
onClick={() => {
deleteMessage(message.id, idx).then();
}}
>
删除消息 #{message.id}
</Button>
</Popup>
</div>
</Table.Cell>
</Table.Row>
);
})}
</Table.Body>
<Table.Footer>
<Table.Row>
<Table.HeaderCell colSpan='6'>
<Button
size='small'
loading={loading}
onClick={() => {
refresh().then();
}}
>
手动刷新
</Button>
<Button
size='small'
loading={loading}
onClick={() => {
setAutoRefresh(!autoRefresh);
setAutoRefreshSeconds(10);
}}
>
{autoRefresh
? `自动刷新中（${autoRefreshSeconds} 秒后刷新）`
: '自动刷新'}
</Button>
<Pagination
floated='right'
activePage={activePage}
onPageChange={onPaginationChange}
size='small'
siblingRange={1}
totalPages={
Math.ceil(messages.length / ITEMS_PER_PAGE) +
(messages.length % ITEMS_PER_PAGE === 0 ? 1 : 0)
}
/>
</Table.HeaderCell>
</Table.Row>
</Table.Footer>
</Table>
<Modal size='tiny' open={viewModalOpen}>
<Modal.Header>{message.title ? message.title : '无标题'}</Modal.Header>
<Modal.Content>
{message.description ? (
<p className={'quote'}>{message.description}</p>
) : (
''
)}
{message.content ? (
<div
dangerouslySetInnerHTML={{
__html: marked.parse(message.content),
}}
></div>
) : (
''
)}
</Modal.Content>
<Modal.Actions>
<Button
onClick={() => {
if (message.URL) {
openPage(message.URL);
} else {
openPage(`/message/${message.link}`);
}
}}
>
访问链接
</Button>
<Button
onClick={() => {
setViewModalOpen(false);
}}
>
关闭
</Button>
</Modal.Actions>
</Modal>
</>
);
};
export default MessagesTable;