134 lines
3.6 KiB
PHP
134 lines
3.6 KiB
PHP
<?php
|
|
|
|
namespace App\Services;
|
|
|
|
use Illuminate\Http\Request;
|
|
use Illuminate\Support\Facades\Cache;
|
|
|
|
class PriceStreamService
|
|
{
|
|
private const INBOX_PREFIX = 'price_sse_inbox:';
|
|
|
|
private const INBOX_TTL_SECONDS = 300;
|
|
|
|
private const MAX_EVENTS = 50;
|
|
|
|
public function isEnabled(): bool
|
|
{
|
|
return app(ConfigService::class)->getBool('wss_enabled', true);
|
|
}
|
|
|
|
public function streamPath(): string
|
|
{
|
|
$config = app(ConfigService::class);
|
|
$path = trim($config->getString('sse_path', ''));
|
|
|
|
if ($path === '') {
|
|
$path = trim($config->getString('wss_path', ''));
|
|
}
|
|
|
|
if ($path === '' || strpos($path, '/prc/') !== false) {
|
|
return '/api/price/stream';
|
|
}
|
|
|
|
return strpos($path, '/') === 0 ? $path : "/{$path}";
|
|
}
|
|
|
|
public function resolveHost(?Request $request = null): string
|
|
{
|
|
$config = app(ConfigService::class);
|
|
|
|
$appUrl = trim($config->getString('app_url', ''));
|
|
if ($appUrl !== '') {
|
|
$host = parse_url($appUrl, PHP_URL_HOST);
|
|
if (is_string($host) && $host !== '') {
|
|
return $this->normalizeHost($host);
|
|
}
|
|
}
|
|
|
|
if ($request !== null) {
|
|
$requestHost = trim((string) $request->getHost());
|
|
if ($requestHost !== '') {
|
|
return $this->normalizeHost($requestHost);
|
|
}
|
|
}
|
|
|
|
if (! app()->runningInConsole() && request()) {
|
|
$requestHost = trim((string) request()->getHost());
|
|
if ($requestHost !== '') {
|
|
return $this->normalizeHost($requestHost);
|
|
}
|
|
}
|
|
|
|
$nameEn = trim((string) $config->getString('name_en', ''));
|
|
if ($nameEn !== '') {
|
|
return $this->normalizeHost($nameEn);
|
|
}
|
|
|
|
return '';
|
|
}
|
|
|
|
public function currentSeq(string $host): int
|
|
{
|
|
$inbox = Cache::get($this->inboxKey($host), ['seq' => 0, 'events' => []]);
|
|
|
|
return (int) ($inbox['seq'] ?? 0);
|
|
}
|
|
|
|
/**
|
|
* @return array<int, array{id: int, event: string, data: mixed}>
|
|
*/
|
|
public function consumeSince(string $host, int $afterId): array
|
|
{
|
|
$inbox = Cache::get($this->inboxKey($host), ['seq' => 0, 'events' => []]);
|
|
$events = is_array($inbox['events'] ?? null) ? $inbox['events'] : [];
|
|
|
|
return array_values(array_filter(
|
|
$events,
|
|
static fn (array $event): bool => (int) ($event['id'] ?? 0) > $afterId
|
|
));
|
|
}
|
|
|
|
/**
|
|
* @param array<string, mixed>|array<int, mixed> $data
|
|
*/
|
|
public function publish(string $event, array $data, ?string $host = null): void
|
|
{
|
|
if (! $this->isEnabled()) {
|
|
return;
|
|
}
|
|
|
|
$host = $host ?? $this->resolveHost();
|
|
if ($host === '') {
|
|
return;
|
|
}
|
|
|
|
$key = $this->inboxKey($host);
|
|
$inbox = Cache::get($key, ['seq' => 0, 'events' => []]);
|
|
$inbox['seq'] = (int) ($inbox['seq'] ?? 0) + 1;
|
|
$inbox['events'][] = [
|
|
'id' => $inbox['seq'],
|
|
'event' => $event,
|
|
'data' => $data,
|
|
];
|
|
|
|
if (count($inbox['events']) > self::MAX_EVENTS) {
|
|
$inbox['events'] = array_slice($inbox['events'], -self::MAX_EVENTS);
|
|
}
|
|
|
|
Cache::put($key, $inbox, now()->addSeconds(self::INBOX_TTL_SECONDS));
|
|
}
|
|
|
|
private function inboxKey(string $host): string
|
|
{
|
|
return self::INBOX_PREFIX.$this->normalizeHost($host);
|
|
}
|
|
|
|
private function normalizeHost(string $host): string
|
|
{
|
|
$host = strtolower(trim($host));
|
|
|
|
return strpos($host, 'www.') === 0 ? substr($host, 4) : $host;
|
|
}
|
|
}
|