added wss tools 4

2026-06-18 16:12:53 +03:30
parent 2a77c24dcc
commit f44063dbd2
6 changed files with 268 additions and 56 deletions
@@ -0,0 +1,76 @@
+<?php
+
+namespace App\Http\Controllers\Site;
+
+use App\Http\Controllers\Controller;
+use App\Services\LivePriceCacheService;
+use App\Services\PriceStreamService;
+use Illuminate\Http\Request;
+use Symfony\Component\HttpFoundation\StreamedResponse;
+
+class PriceStreamController extends Controller
+{
+    public function stream(Request $request): StreamedResponse
+    {
+        $service = app(PriceStreamService::class);
+
+        if (! $service->isEnabled()) {
+            abort(404);
+        }
+
+        $host = $service->resolveHost($request);
+
+        return response()->stream(function () use ($service, $host) {
+            @set_time_limit(0);
+
+            if (function_exists('apache_setenv')) {
+                @apache_setenv('no-gzip', '1');
+            }
+
+            @ini_set('zlib.output_compression', '0');
+            @ini_set('implicit_flush', '1');
+
+            while (ob_get_level() > 0) {
+                @ob_end_flush();
+            }
+
+            $send = static function (string $event, $data): void {
+                echo 'event: '.$event."\n";
+                echo 'data: '.json_encode($data, JSON_UNESCAPED_UNICODE)."\n\n";
+                @flush();
+            };
+
+            $cache = app(LivePriceCacheService::class);
+            $last = $cache->get() ?? $cache->buildFromDatabase();
+            if (is_array($last) && $last !== []) {
+                $send('last', $last);
+            }
+
+            $lastId = $host !== '' ? $service->currentSeq($host) : 0;
+            $heartbeatTicks = 0;
+
+            while (! connection_aborted()) {
+                if ($host !== '') {
+                    foreach ($service->consumeSince($host, $lastId) as $event) {
+                        $send((string) $event['event'], $event['data']);
+                        $lastId = (int) $event['id'];
+                    }
+                }
+
+                $heartbeatTicks++;
+                if ($heartbeatTicks >= 30) {
+                    echo ': ping '.time()."\n\n";
+                    @flush();
+                    $heartbeatTicks = 0;
+                }
+
+                usleep(500000);
+            }
+        }, 200, [
+            'Content-Type' => 'text/event-stream; charset=UTF-8',
+            'Cache-Control' => 'no-cache, no-store, must-revalidate',
+            'Connection' => 'keep-alive',
+            'X-Accel-Buffering' => 'no',
+        ]);
+    }
+}