NODE JS introduction: socket polling

2026-05-22 17:01:59 +07:00
parent 648efee991
commit 5a3bfa3435
17 changed files with 1520 additions and 2135 deletions
@@ -0,0 +1,36 @@
+<?php
+/**
+ * notify_node — fire-and-forget event push to the Node.js real-time server.
+ *
+ * Call this AFTER a successful DB commit. It never throws — if Node is down
+ * the request times out silently in 1 second.
+ *
+ * @param string $event      Event name, e.g. 'gl_posted'
+ * @param array  $data       Payload sent to the browser
+ * @param int    $company_id Scopes the broadcast to one company's room
+ */
+function notify_node(string $event, array $data, int $company_id): void
+{
+    if ($company_id <= 0) return;
+
+    $body = json_encode([
+        'event'      => $event,
+        'data'       => $data,
+        'company_id' => $company_id,
+    ]);
+
+    $ch = curl_init(defined('NODE_EMIT_URL') ? NODE_EMIT_URL : 'http://127.0.0.1:3000/emit');
+    curl_setopt_array($ch, [
+        CURLOPT_POST           => true,
+        CURLOPT_POSTFIELDS     => $body,
+        CURLOPT_HTTPHEADER     => [
+            'Content-Type: application/json',
+            'x-emit-secret: ' . (defined('NODE_EMIT_SECRET') ? NODE_EMIT_SECRET : ''),
+        ],
+        CURLOPT_RETURNTRANSFER => true,
+        CURLOPT_TIMEOUT        => 1,    // never block PHP
+        CURLOPT_CONNECTTIMEOUT => 1,
+    ]);
+    curl_exec($ch);
+    curl_close($ch);
+}