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import React, { useEffect, useState } from 'react';
import { Button, Form, Label, Pagination, Popup, Table } from 'semantic-ui-react';
import { Link } from 'react-router-dom';
import { API, showError, showSuccess } from '../helpers';
import { ITEMS_PER_PAGE } from '../constants';
import { renderGroup, renderNumber, renderQuota, renderText } from '../helpers/render';
function renderRole(role) {
switch (role) {
case 1:
return <Label>普通用户</Label>;
case 10:
return <Label color='yellow'>管理员</Label>;
case 100:
return <Label color='orange'>超级管理员</Label>;
default:
return <Label color='red'>未知身份</Label>;
}
}
const UsersTable = () => {
const [users, setUsers] = useState([]);
const [loading, setLoading] = useState(true);
const [activePage, setActivePage] = useState(1);
const [searchKeyword, setSearchKeyword] = useState('');
const [searching, setSearching] = useState(false);
const loadUsers = async (startIdx) => {
const res = await API.get(`/api/user/?p=${startIdx}`);
const { success, message, data } = res.data;
if (success) {
if (startIdx === 0) {
setUsers(data);
} else {
let newUsers = users;
newUsers.push(...data);
setUsers(newUsers);
}
} else {
showError(message);
}
setLoading(false);
};
const onPaginationChange = (e, { activePage }) => {
(async () => {
if (activePage === Math.ceil(users.length / ITEMS_PER_PAGE) + 1) {
// In this case we have to load more data and then append them.
await loadUsers(activePage - 1);
}
setActivePage(activePage);
})();
};
useEffect(() => {
loadUsers(0)
.then()
.catch((reason) => {
showError(reason);
});
}, []);
const manageUser = (username, action, idx) => {
(async () => {
const res = await API.post('/api/user/manage', {
username,
action
});
const { success, message } = res.data;
if (success) {
showSuccess('操作成功完成！');
let user = res.data.data;
let newUsers = [...users];
let realIdx = (activePage - 1) * ITEMS_PER_PAGE + idx;
if (action === 'delete') {
newUsers[realIdx].deleted = true;
} else {
newUsers[realIdx].status = user.status;
newUsers[realIdx].role = user.role;
}
setUsers(newUsers);
} else {
showError(message);
}
})();
};
const renderStatus = (status) => {
switch (status) {
case 1:
return <Label basic>已激活</Label>;
case 2:
return (
<Label basic color='red'>
已封禁
</Label>
);
default:
return (
<Label basic color='grey'>
未知状态
</Label>
);
}
};
const searchUsers = async () => {
if (searchKeyword === '') {
// if keyword is blank, load files instead.
await loadUsers(0);
setActivePage(1);
return;
}
setSearching(true);
const res = await API.get(`/api/user/search?keyword=${searchKeyword}`);
const { success, message, data } = res.data;
if (success) {
setUsers(data);
setActivePage(1);
} else {
showError(message);
}
setSearching(false);
};
const handleKeywordChange = async (e, { value }) => {
setSearchKeyword(value.trim());
};
const sortUser = (key) => {
if (users.length === 0) return;
setLoading(true);
let sortedUsers = [...users];
sortedUsers.sort((a, b) => {
return ('' + a[key]).localeCompare(b[key]);
});
if (sortedUsers[0].id === users[0].id) {
sortedUsers.reverse();
}
setUsers(sortedUsers);
setLoading(false);
};
return (
<>
<Form onSubmit={searchUsers}>
<Form.Input
icon='search'
fluid
iconPosition='left'
placeholder='搜索用户的 ID，用户名，显示名称，以及邮箱地址 ...'
value={searchKeyword}
loading={searching}
onChange={handleKeywordChange}
/>
</Form>
<Table basic compact size='small'>
<Table.Header>
<Table.Row>
<Table.HeaderCell
style={{ cursor: 'pointer' }}
onClick={() => {
sortUser('id');
}}
>
ID
</Table.HeaderCell>
<Table.HeaderCell
style={{ cursor: 'pointer' }}
onClick={() => {
sortUser('username');
}}
>
用户名
</Table.HeaderCell>
<Table.HeaderCell
style={{ cursor: 'pointer' }}
onClick={() => {
sortUser('group');
}}
>
分组
</Table.HeaderCell>
<Table.HeaderCell
style={{ cursor: 'pointer' }}
onClick={() => {
sortUser('quota');
}}
>
统计信息
</Table.HeaderCell>
<Table.HeaderCell
style={{ cursor: 'pointer' }}
onClick={() => {
sortUser('role');
}}
>
用户角色
</Table.HeaderCell>
<Table.HeaderCell
style={{ cursor: 'pointer' }}
onClick={() => {
sortUser('status');
}}
>
状态
</Table.HeaderCell>
<Table.HeaderCell>操作</Table.HeaderCell>
</Table.Row>
</Table.Header>
<Table.Body>
{users
.slice(
(activePage - 1) * ITEMS_PER_PAGE,
activePage * ITEMS_PER_PAGE
)
.map((user, idx) => {
if (user.deleted) return <></>;
return (
<Table.Row key={user.id}>
<Table.Cell>{user.id}</Table.Cell>
<Table.Cell>
<Popup
content={user.email ? user.email : '未绑定邮箱地址'}
key={user.username}
header={user.display_name ? user.display_name : user.username}
trigger={<span>{renderText(user.username, 15)}</span>}
hoverable
/>
</Table.Cell>
<Table.Cell>{renderGroup(user.group)}</Table.Cell>
{/*<Table.Cell>*/}
{/* {user.email ? <Popup hoverable content={user.email} trigger={<span>{renderText(user.email, 24)}</span>} /> : '无'}*/}
{/*</Table.Cell>*/}
<Table.Cell>
<Popup content='剩余额度' trigger={<Label basic>{renderQuota(user.quota)}</Label>} />
<Popup content='已用额度' trigger={<Label basic>{renderQuota(user.used_quota)}</Label>} />
<Popup content='请求次数' trigger={<Label basic>{renderNumber(user.request_count)}</Label>} />
</Table.Cell>
<Table.Cell>{renderRole(user.role)}</Table.Cell>
<Table.Cell>{renderStatus(user.status)}</Table.Cell>
<Table.Cell>
<div>
<Button
size={'small'}
positive
onClick={() => {
manageUser(user.username, 'promote', idx);
}}
disabled={user.role === 100}
>
提升
</Button>
<Button
size={'small'}
color={'yellow'}
onClick={() => {
manageUser(user.username, 'demote', idx);
}}
disabled={user.role === 100}
>
降级
</Button>
<Popup
trigger={
<Button size='small' negative disabled={user.role === 100}>
删除
</Button>
}
on='click'
flowing
hoverable
>
<Button
negative
onClick={() => {
manageUser(user.username, 'delete', idx);
}}
>
删除用户 {user.username}
</Button>
</Popup>
<Button
size={'small'}
onClick={() => {
manageUser(
user.username,
user.status === 1 ? 'disable' : 'enable',
idx
);
}}
disabled={user.role === 100}
>
{user.status === 1 ? '禁用' : '启用'}
</Button>
<Button
size={'small'}
as={Link}
to={'/user/edit/' + user.id}
>
编辑
</Button>
</div>
</Table.Cell>
</Table.Row>
);
})}
</Table.Body>
<Table.Footer>
<Table.Row>
<Table.HeaderCell colSpan='7'>
<Button size='small' as={Link} to='/user/add' loading={loading}>
添加新的用户
</Button>
<Pagination
floated='right'
activePage={activePage}
onPageChange={onPaginationChange}
size='small'
siblingRange={1}
totalPages={
Math.ceil(users.length / ITEMS_PER_PAGE) +
(users.length % ITEMS_PER_PAGE === 0 ? 1 : 0)
}
/>
</Table.HeaderCell>
</Table.Row>
</Table.Footer>
</Table>
</>
);
};
export default UsersTable;
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