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UserListPage.tsx
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UserListPage.tsx
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import Mithril from 'mithril';
import app from '../../admin/app';
import LoadingIndicator from '../../common/components/LoadingIndicator';
import Button from '../../common/components/Button';
import listItems from '../../common/helpers/listItems';
import type User from '../../common/models/User';
import type { IPageAttrs } from '../../common/components/Page';
import ItemList from '../../common/utils/ItemList';
import classList from '../../common/utils/classList';
import extractText from '../../common/utils/extractText';
import AdminPage from './AdminPage';
import { debounce } from '../../common/utils/throttleDebounce';
import CreateUserModal from './CreateUserModal';
import Icon from '../../common/components/Icon';
import Input from '../../common/components/Input';
import GambitsAutocompleteDropdown from '../../common/components/GambitsAutocompleteDropdown';
type ColumnData = {
/**
* Column title
*/
name: Mithril.Children;
/**
* Component(s) to show for this column.
*/
content: (user: User) => Mithril.Children;
};
/**
* Admin page which displays a paginated list of all users on the forum.
*/
export default class UserListPage extends AdminPage {
private query: string = '';
private throttledSearch = debounce(250, () => this.loadPage(0));
/**
* Number of users to load per page.
*/
private numPerPage: number = 50;
/**
* Current page number. Zero-indexed.
*/
private pageNumber: number = 0;
/**
* Page number being loaded. Zero-indexed.
*/
private loadingPageNumber: number = 0;
/**
* Total number of forum users.
*
* Fetched from the active `AdminApplication` (`app`), with
* data provided by `AdminPayload.php`, or `flarum/statistics`
* if installed.
*/
readonly userCount: number = app.data.modelStatistics.users.total;
/**
* Get total number of user pages.
*/
private getTotalPageCount(): number {
if (this.userCount === -1) return 0;
return Math.ceil(this.userCount / this.numPerPage);
}
/**
* This page's array of users.
*
* `undefined` when page loads as no data has been fetched.
*/
private pageData: User[] | undefined = undefined;
/**
* Are there more users available?
*/
private moreData: boolean = false;
private isLoadingPage: boolean = false;
oninit(vnode: Mithril.Vnode<IPageAttrs, this>) {
super.oninit(vnode);
// Get page query value from URL
const page = parseInt(m.route.param('page'));
if (isNaN(page) || page < 1) {
this.setPageNumberInUrl(1);
this.pageNumber = 0;
} else {
this.pageNumber = page - 1;
}
this.loadingPageNumber = this.pageNumber;
}
/**
* Component to render.
*/
content() {
if (typeof this.pageData === 'undefined') {
this.loadPage(this.pageNumber);
return [
<section className="UserListPage-grid UserListPage-grid--loading">
<LoadingIndicator containerClassName="LoadingIndicator--block" size="large" />
</section>,
];
}
const columns = this.columns().toArray();
return [
<div className="UserListPage-header">{this.headerItems().toArray()}</div>,
<section
className={classList(['UserListPage-grid', this.isLoadingPage ? 'UserListPage-grid--loadingPage' : 'UserListPage-grid--loaded'])}
style={{ '--columns': columns.length }}
role="table"
// +1 to account for header
aria-rowcount={this.pageData.length + 1}
aria-colcount={columns.length}
aria-live="polite"
aria-busy={this.isLoadingPage ? 'true' : 'false'}
>
{/* Render columns */}
{columns.map((column, colIndex) => (
<div className="UserListPage-grid-header" role="columnheader" aria-colindex={colIndex + 1} aria-rowindex={1}>
{column.name}
</div>
))}
{/* Render user data */}
{this.pageData.map((user, rowIndex) =>
columns.map((col, colIndex) => {
const columnContent = col.content && col.content(user);
return (
<div
className={classList(['UserListPage-grid-rowItem', rowIndex % 2 > 0 && 'UserListPage-grid-rowItem--shaded'])}
data-user-id={user.id()}
data-column-name={col.itemName}
aria-colindex={colIndex + 1}
// +2 to account for 0-based index, and for the header row
aria-rowindex={rowIndex + 2}
role="cell"
>
{columnContent || app.translator.trans('core.admin.users.grid.invalid_column_content')}
</div>
);
})
)}
{/* Loading spinner that shows when a new page is being loaded */}
{this.isLoadingPage && <LoadingIndicator size="large" />}
</section>,
<nav className="UserListPage-gridPagination">
<Button
disabled={this.pageNumber === 0}
title={app.translator.trans('core.admin.users.pagination.first_page_button')}
onclick={this.goToPage.bind(this, 1)}
icon="fas fa-step-backward"
className="Button Button--icon UserListPage-firstPageBtn"
/>
<Button
disabled={this.pageNumber === 0}
title={app.translator.trans('core.admin.users.pagination.back_button')}
onclick={this.previousPage.bind(this)}
icon="fas fa-chevron-left"
className="Button Button--icon UserListPage-backBtn"
/>
<span className="UserListPage-pageNumber">
{app.translator.trans('core.admin.users.pagination.page_counter', {
// https://technology.blog.gov.uk/2020/02/24/why-the-gov-uk-design-system-team-changed-the-input-type-for-numbers/
current: (
<input
type="text"
inputmode="numeric"
pattern="[0-9]*"
value={this.loadingPageNumber + 1}
aria-label={extractText(app.translator.trans('core.admin.users.pagination.go_to_page_textbox_a11y_label'))}
autocomplete="off"
className="FormControl UserListPage-pageNumberInput"
onchange={(e: InputEvent) => {
const target = e.target as HTMLInputElement;
let pageNumber = parseInt(target.value);
if (isNaN(pageNumber)) {
// Invalid value, reset to current page
target.value = (this.pageNumber + 1).toString();
return;
}
if (pageNumber < 1) {
// Lower constraint
pageNumber = 1;
} else if (pageNumber > this.getTotalPageCount()) {
// Upper constraint
pageNumber = this.getTotalPageCount();
}
target.value = pageNumber.toString();
this.goToPage(pageNumber);
}}
/>
),
currentNum: this.pageNumber + 1,
total: this.getTotalPageCount(),
})}
</span>
<Button
disabled={!this.moreData}
title={app.translator.trans('core.admin.users.pagination.next_button')}
onclick={this.nextPage.bind(this)}
icon="fas fa-chevron-right"
className="Button Button--icon UserListPage-nextBtn"
/>
<Button
disabled={!this.moreData}
title={app.translator.trans('core.admin.users.pagination.last_page_button')}
onclick={this.goToPage.bind(this, this.getTotalPageCount())}
icon="fas fa-step-forward"
className="Button Button--icon UserListPage-lastPageBtn"
/>
</nav>,
];
}
headerItems(): ItemList<Mithril.Children> {
const items = new ItemList<Mithril.Children>();
const onchange = (value: string) => {
this.isLoadingPage = true;
this.query = value;
this.throttledSearch();
};
items.add(
'search',
<GambitsAutocompleteDropdown resource="users" query={this.query} onchange={onchange}>
<Input
type="search"
placeholder={app.translator.trans('core.admin.users.search_placeholder')}
clearable={true}
loading={this.isLoadingPage}
value={this.query}
onchange={onchange}
/>
</GambitsAutocompleteDropdown>,
100
);
items.add(
'totalUsers',
<p class="UserListPage-totalUsers">{app.translator.trans('core.admin.users.total_users', { count: this.userCount })}</p>,
90
);
items.add('actions', <div className="UserListPage-actions">{this.actionItems().toArray()}</div>, 80);
return items;
}
actionItems(): ItemList<Mithril.Children> {
const items = new ItemList<Mithril.Children>();
items.add(
'createUser',
<Button className="Button UserListPage-createUserBtn" icon="fas fa-user-plus" onclick={() => app.modal.show(CreateUserModal)}>
{app.translator.trans('core.admin.users.create_user_button')}
</Button>,
100
);
return items;
}
/**
* Build an item list of columns to show for each user.
*
* Each column in the list should be an object with keys `name` and `content`.
*
* `name` is a string that will be used as the column name.
* `content` is a function with the User model passed as the first and only argument.
*
* See `UserListPage.tsx` for examples.
*/
columns(): ItemList<ColumnData> {
const columns = new ItemList<ColumnData>();
columns.add(
'id',
{
name: app.translator.trans('core.admin.users.grid.columns.user_id.title'),
content: (user: User) => user.id() ?? null,
},
100
);
columns.add(
'username',
{
name: app.translator.trans('core.admin.users.grid.columns.username.title'),
content: (user: User) => {
const profileUrl = `${app.forum.attribute('baseUrl')}/u/${user.slug()}`;
return (
<a
target="_blank"
href={profileUrl}
title={extractText(app.translator.trans('core.admin.users.grid.columns.username.profile_link_tooltip', { username: user.username() }))}
>
{user.username()}
</a>
);
},
},
90
);
columns.add(
'displayName',
{
name: app.translator.trans('core.admin.users.grid.columns.display_name.title'),
content: (user: User) => user.displayName(),
},
85
);
columns.add(
'joinDate',
{
name: app.translator.trans('core.admin.users.grid.columns.join_time.title'),
content: (user: User) => (
<span className="UserList-joinDate" title={user.joinTime()}>
{dayjs(user.joinTime()).format('LLL')}
</span>
),
},
80
);
columns.add(
'groupBadges',
{
name: app.translator.trans('core.admin.users.grid.columns.group_badges.title'),
content: (user: User) => {
const badges = user.badges().toArray();
if (badges.length) {
return <ul className="DiscussionHero-badges badges">{listItems(badges)}</ul>;
} else {
return app.translator.trans('core.admin.users.grid.columns.group_badges.no_badges');
}
},
},
70
);
columns.add(
'emailAddress',
{
name: app.translator.trans('core.admin.users.grid.columns.email.title'),
content: (user: User) => {
function setEmailVisibility(visible: boolean) {
// Get needed jQuery element refs
const emailContainer = $(`[data-column-name=emailAddress][data-user-id=${user.id()}] .UserList-email`);
const emailAddress = emailContainer.find('.UserList-emailAddress');
const emailToggleButton = emailContainer.find('.UserList-emailIconBtn');
const emailToggleButtonIcon = emailToggleButton.find('.icon');
emailToggleButton.attr(
'title',
extractText(
visible
? app.translator.trans('core.admin.users.grid.columns.email.visibility_hide')
: app.translator.trans('core.admin.users.grid.columns.email.visibility_show')
)
);
emailAddress.attr('aria-hidden', visible ? 'false' : 'true');
if (visible) {
emailToggleButtonIcon.addClass('fa-eye');
emailToggleButtonIcon.removeClass('fa-eye-slash');
} else {
emailToggleButtonIcon.removeClass('fa-eye');
emailToggleButtonIcon.addClass('fa-eye-slash');
}
// Need the string interpolation to prevent TS error.
emailContainer.attr('data-email-shown', `${visible}`);
}
function toggleEmailVisibility() {
const emailContainer = $(`[data-column-name=emailAddress][data-user-id=${user.id()}] .UserList-email`);
const emailShown = emailContainer.attr('data-email-shown') === 'true';
if (emailShown) {
setEmailVisibility(false);
} else {
setEmailVisibility(true);
}
}
return (
<div className="UserList-email" key={user.id()} data-email-shown="false">
<span className="UserList-emailAddress" aria-hidden="true" onclick={() => setEmailVisibility(true)}>
{user.email()}
</span>
<button
onclick={toggleEmailVisibility}
className="Button Button--text UserList-emailIconBtn"
title={app.translator.trans('core.admin.users.grid.columns.email.visibility_show')}
>
<Icon name="far fa-eye-slash fa-fw" className="icon" />
</button>
</div>
);
},
},
70
);
columns.add(
'editUser',
{
name: app.translator.trans('core.admin.users.grid.columns.edit_user.title'),
content: (user: User) => (
<Button
className="Button UserList-editModalBtn"
title={app.translator.trans('core.admin.users.grid.columns.edit_user.tooltip', { username: user.username() })}
onclick={() => app.modal.show(() => import('../../common/components/EditUserModal'), { user })}
>
{app.translator.trans('core.admin.users.grid.columns.edit_user.button')}
</Button>
),
},
-90
);
return columns;
}
headerInfo() {
return {
className: 'UserListPage',
icon: 'fas fa-users',
title: app.translator.trans('core.admin.users.title'),
description: app.translator.trans('core.admin.users.description'),
};
}
/**
* Asynchronously fetch the next set of users to be rendered.
*
* Returns an array of Users, plus the raw API payload.
*
* Uses the `this.numPerPage` as the response limit, and automatically calculates the offset required from `pageNumber`.
*
* @param pageNumber The **zero-based** page number to load and display
*/
async loadPage(pageNumber: number) {
if (pageNumber < 0) pageNumber = 0;
this.loadingPageNumber = pageNumber;
this.setPageNumberInUrl(pageNumber + 1);
app.store
.find<User[]>('users', {
filter: { q: this.query },
page: {
limit: this.numPerPage,
offset: pageNumber * this.numPerPage,
},
})
.then((apiData) => {
// Next link won't be present if there's no more data
this.moreData = !!apiData.payload?.links?.next;
let data = apiData;
// @ts-ignore
delete data.payload;
const lastPage = this.getTotalPageCount();
if (pageNumber > lastPage) {
this.loadPage(lastPage - 1);
} else {
this.pageData = data;
this.pageNumber = pageNumber;
this.loadingPageNumber = pageNumber;
this.isLoadingPage = false;
}
m.redraw();
})
.catch((err: Error) => {
console.error(err);
this.pageData = [];
});
}
nextPage() {
this.isLoadingPage = true;
this.loadPage(this.pageNumber + 1);
}
previousPage() {
this.isLoadingPage = true;
this.loadPage(this.pageNumber - 1);
}
/**
* @param page The **1-based** page number
*/
goToPage(page: number) {
this.isLoadingPage = true;
this.loadPage(page - 1);
}
private setPageNumberInUrl(pageNumber: number) {
const search = window.location.hash.split('?', 2);
const params = new URLSearchParams(search?.[1] ?? '');
params.set('page', `${pageNumber}`);
window.location.hash = search?.[0] + '?' + params.toString();
}
}