feat: add telemetry to requests

composer.json

@@ -9,6 +9,7 @@
         "ai",
         "rag"
     ],
+    "version": "0.1.4",
     "homepage": "https://github.com/upstash/vector-php",
     "license": "MIT",
     "authors": [

src/Telemetry/SdkTelemetryReporter.php

@@ -0,0 +1,39 @@
+<?php
+
+namespace Upstash\Vector\Telemetry;
+
+use Psr\Http\Message\RequestInterface;
+use Throwable;
+
+/**
+ * @internal
+ */
+final readonly class SdkTelemetryReporter
+{
+    public function appendHeaders(RequestInterface $request): RequestInterface
+    {
+        return $request
+            ->withHeader('Upstash-Telemetry-Runtime', $this->getRuntime())
+            ->withHeader('Upstash-Telemetry-Package', $this->getPackageVersion());
+    }
+
+    public function getRuntime(): string
+    {
+        try {
+            return sprintf('php%s', phpversion());
+        } catch (Throwable $e) {
+            return 'php';
+        }
+    }
+
+    public function getPackageVersion(): string
+    {
+        try {
+            $version = json_decode(file_get_contents(__DIR__.'/../../composer.json'), true);
+
+            return sprintf('vector-php@%s', $version['version']);
+        } catch (Throwable $e) {
+            return sprintf('vector-php@unknown');
+        }
+    }
+}

src/Transporter/HttpTransporter.php

@@ -8,6 +8,7 @@
 use Psr\Http\Message\RequestInterface;
 use Psr\Http\Message\ResponseInterface;
 use Upstash\Vector\Contracts\TransporterInterface;
+use Upstash\Vector\Telemetry\SdkTelemetryReporter;
 
 /**
  * @internal
@@ -91,8 +92,7 @@ private function transformResponse(ResponseInterface $response): TransporterResp
 
     private function addTelemetryHeaders(RequestInterface|MessageInterface $psr17Request): RequestInterface|MessageInterface
     {
-        // TODO: Add PHP and Package Version
-        return $psr17Request
-            ->withHeader('Upstash-Telemetry-Runtime', 'php');
+        return (new SdkTelemetryReporter)
+            ->appendHeaders($psr17Request);
     }
 }

tests/Unit/Telemetry/SdkTelemetryReporterTest.php

@@ -0,0 +1,29 @@
+<?php
+
+namespace Upstash\Vector\Tests\Unit\Telemetry;
+
+use PHPUnit\Framework\TestCase;
+use Upstash\Vector\Telemetry\SdkTelemetryReporter;
+
+class SdkTelemetryReporterTest extends TestCase
+{
+    public function test_runtime_is_correct(): void
+    {
+        $reporter = new SdkTelemetryReporter;
+        $version = phpversion();
+
+        $runtime = $reporter->getRuntime();
+
+        $this->assertSame("php$version", $runtime);
+    }
+
+    public function test_package_version_is_correct(): void
+    {
+        $reporter = new SdkTelemetryReporter;
+        $version = json_decode(file_get_contents(__DIR__.'/../../../composer.json'), true)['version'];
+
+        $packageVersion = $reporter->getPackageVersion();
+
+        $this->assertSame("vector-php@$version", $packageVersion);
+    }
+}