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harbor-net/src/web/components/ServerPicker.jsx
Dmitriy Petrov 57330f1c78
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Refactor server picker and limit ping requests
2026-07-12 13:42:22 +03:00

258 lines
9.0 KiB
JavaScript
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import React, { useEffect, useMemo, useState } from 'react';
import { api } from '../api.js';
import {
autoServer,
filterServers,
groupServers,
SERVER_RESULT_WINDOW,
} from '../utils/serverPicker.js';
const FAVORITES_KEY = 'harbor-server-favorites';
const RECENT_KEY = 'harbor-server-recent';
const AUTO_KEY = 'harbor-server-auto';
function readList(key) {
try {
const value = JSON.parse(localStorage.getItem(key) || '[]');
return Array.isArray(value) ? value.map(String) : [];
} catch {
return [];
}
}
function write(key, value) {
try {
localStorage.setItem(key, typeof value === 'string' ? value : JSON.stringify(value));
} catch {
// Preferences remain available for this session.
}
}
function readAuto() {
try {
return localStorage.getItem(AUTO_KEY) === 'true';
} catch {
return false;
}
}
function ServerRow({ server, selected, favorite, ping, disabled, index, onSelect, onFavorite }) {
const health = ping?.checking
? 'Проверяем TCP…'
: ping?.error ? 'Проверка недоступна'
: ping?.ok ? `TCP ${ping.latency} мс` : ping ? 'TCP недоступен' : 'Не проверен';
return <div className={`client-server-row${selected ? ' is-selected' : ''}${onFavorite ? ' has-favorite' : ''}`}>
<button
className={`client-server${selected ? ' is-selected' : ''}`}
type="button"
disabled={disabled}
aria-pressed={selected}
aria-label={`${server.label}, ${server.host}:${server.port}, ${health}`}
style={{ '--server-index': Math.min(index, 7) }}
onClick={() => onSelect(server.id)}
>
<strong>{server.label}</strong>
<small title={ping?.checkedAt || undefined}>{health}</small>
</button>
{onFavorite && <button
className={`client-server-favorite${favorite ? ' is-active' : ''}`}
type="button"
aria-pressed={favorite}
aria-label={`${favorite ? 'Убрать из избранного' : 'Добавить в избранное'}: ${server.label}`}
onClick={() => onFavorite(server.id)}
></button>}
</div>;
}
export function ServerPicker({
servers,
selectedServerId,
disabled,
prompt,
leaving,
revealVersion,
onSelect,
}) {
const [query, setQuery] = useState('');
const [view, setView] = useState('all');
const [page, setPage] = useState(0);
const [favorites, setFavorites] = useState(() => readList(FAVORITES_KEY));
const [recent, setRecent] = useState(() => readList(RECENT_KEY));
const [autoActive, setAutoActive] = useState(readAuto);
const [collapsed, setCollapsed] = useState([]);
const [pings, setPings] = useState({});
const [checking, setChecking] = useState(false);
const serverKey = servers.map(({ id }) => id).join('|');
useEffect(() => {
setPage(0);
}, [query, view, serverKey]);
const selected = servers.find(({ id }) => id === selectedServerId);
const filtered = useMemo(() => {
const found = filterServers(servers, query);
if (view === 'favorites') return found.filter(({ id }) => favorites.includes(id));
if (view === 'recent') return recent.flatMap((id) => found.find((server) => server.id === id) || []);
return found;
}, [servers, query, view, favorites, recent]);
const results = filtered.filter(({ id }) => id !== selectedServerId);
const pageCount = Math.max(1, Math.ceil(results.length / SERVER_RESULT_WINDOW));
const visible = results.slice(page * SERVER_RESULT_WINDOW, (page + 1) * SERVER_RESULT_WINDOW);
const grouped = servers.length >= 10;
useEffect(() => {
setPage((current) => Math.min(current, pageCount - 1));
}, [pageCount]);
function toggleFavorite(id) {
setFavorites((current) => {
const next = current.includes(id) ? current.filter((item) => item !== id) : [id, ...current];
write(FAVORITES_KEY, next);
return next;
});
}
function select(id, automatic = false) {
setAutoActive(automatic);
write(AUTO_KEY, String(automatic));
if (!automatic) {
setRecent((current) => {
const next = [id, ...current.filter((item) => item !== id)].slice(0, 5);
write(RECENT_KEY, next);
return next;
});
}
onSelect(id);
}
async function checkVisible() {
const ids = [...new Set([selectedServerId, ...visible.map(({ id }) => id)].filter(Boolean))].slice(0, 30);
if (!ids.length) return;
setChecking(true);
setPings((current) => ({
...current,
...Object.fromEntries(ids.map((id) => [id, { checking: true }])),
}));
try {
const data = await api.servers.ping(ids);
setPings((current) => ({
...current,
...Object.fromEntries((data.results || []).map((result) => [result.id, result])),
}));
} catch {
setPings((current) => ({
...current,
...Object.fromEntries(ids.map((id) => [id, { error: true, checkedAt: new Date().toISOString() }])),
}));
} finally {
setChecking(false);
}
}
if (servers.length === 1) {
return <section className="client-servers" aria-label="Выберите сервер">
{prompt && <span className="client-server-prompt">Выберите сервер</span>}
<div className="client-server-grid">
<ServerRow
server={servers[0]}
selected={servers[0].id === selectedServerId}
favorite={false}
disabled={disabled}
index={0}
onSelect={onSelect}
/>
</div>
</section>;
}
const renderRows = (items, offset = 0) => items.map((server, index) => (
<ServerRow
key={server.id}
server={server}
selected={!autoActive && server.id === selectedServerId}
favorite={favorites.includes(server.id)}
ping={pings[server.id]}
disabled={disabled}
index={offset + index}
onSelect={select}
onFavorite={toggleFavorite}
/>
));
return <section className="client-servers is-scalable" aria-label="Выберите сервер">
{prompt && <span className="client-server-prompt">Выберите сервер</span>}
<div className="client-server-tools">
<input
type="search"
value={query}
aria-label="Найти сервер"
placeholder="Поиск сервера"
onChange={(event) => setQuery(event.target.value)}
/>
<div className="client-server-filters" aria-label="Фильтр серверов">
{[
['all', 'Все'],
['favorites', '★'],
['recent', 'Недавние'],
].map(([id, label]) => <button
type="button"
className={view === id ? 'is-active' : ''}
aria-pressed={view === id}
key={id}
onClick={() => setView(id)}
>{label}</button>)}
<button type="button" disabled={checking || !visible.length} onClick={checkVisible}>
{checking ? 'Проверяем…' : 'Проверить TCP'}
</button>
</div>
</div>
<div className="client-server-pinned">
<button
className={`client-server-auto${autoActive ? ' is-selected' : ''}`}
type="button"
aria-pressed={autoActive}
disabled={disabled || !servers.length}
onClick={() => select(autoServer(servers)?.id, true)}
>
<strong>Auto</strong>
<small>Первый стабильный сервер</small>
</button>
{selected && !autoActive && <ServerRow
server={selected}
selected
favorite={favorites.includes(selected.id)}
ping={pings[selected.id]}
disabled={disabled}
index={0}
onSelect={select}
onFavorite={toggleFavorite}
/>}
</div>
<div className={`client-server-scroll${leaving ? ' is-leaving' : ''}`} key={`${serverKey}:${revealVersion}`}>
{!visible.length && <p className="client-server-empty">Серверы не найдены</p>}
{grouped ? groupServers(visible).map(([group, items]) => {
const isCollapsed = collapsed.includes(group);
return <section className="client-server-group" key={group}>
<button
className="client-server-group-toggle"
type="button"
aria-expanded={!isCollapsed}
onClick={() => setCollapsed((current) => current.includes(group)
? current.filter((item) => item !== group)
: [...current, group])}
>{group} <small>{items.length}</small></button>
{!isCollapsed && <div className="client-server-grid">{renderRows(items)}</div>}
</section>;
}) : <div className="client-server-grid">{renderRows(visible)}</div>}
{pageCount > 1 && <nav className="client-server-pages" aria-label="Страницы серверов">
<button className="client-server-more" type="button" disabled={page === 0} onClick={() => setPage((current) => current - 1)}>Назад</button>
<span>{page + 1} / {pageCount}</span>
<button className="client-server-more" type="button" disabled={page + 1 === pageCount} onClick={() => setPage((current) => current + 1)}>Дальше</button>
</nav>}
</div>
</section>;
}