add middleware to retry request in some error cases

Tests/ClientTest.php

@@ -246,4 +246,38 @@ class ClientTest extends ApiTestCase
             )
         );
     }
+
+    /**
+     * @test
+     * @return void
+     * @throws \PHPUnit\Framework\ExpectationFailedException
+     * @throws \SebastianBergmann\RecursionContext\InvalidArgumentException
+     * @covers \D3\LinkmobilityClient\Client::getLoggerMiddleware
+     */
+    public function testGetLoggerMiddleware()
+    {
+        $this->assertIsCallable(
+            $this->callMethod(
+                $this->api,
+                'getLoggerMiddleware'
+            )
+        );
+    }
+
+    /**
+     * @test
+     * @return void
+     * @throws \PHPUnit\Framework\ExpectationFailedException
+     * @throws \SebastianBergmann\RecursionContext\InvalidArgumentException
+     * @covers \D3\LinkmobilityClient\Client::getRetryMiddleware
+     */
+    public function testGetRetryMiddleware()
+    {
+        $this->assertIsCallable(
+            $this->callMethod(
+                $this->api,
+                'getRetryMiddleware'
+            )
+        );
+    }
 }

composer.json

@@ -27,6 +27,7 @@
         "psr/http-message": "~1.0",
         "phlib/sms-length": "^2.0",
         "giggsey/libphonenumber-for-php": "^8.12.50",
+        "caseyamcl/guzzle_retry_middleware": "^2.8",
         "ext-json": "*"
     },
     "require-dev": {

src/Client.php

@@ -24,6 +24,7 @@ use GuzzleHttp\Exception\GuzzleException;
 use GuzzleHttp\HandlerStack;
 use GuzzleHttp\MessageFormatter;
 use GuzzleHttp\Middleware;
+use GuzzleRetry\GuzzleRetryMiddleware;
 use InvalidArgumentException;
 use Psr\Http\Message\ResponseInterface;
 
@@ -45,13 +46,9 @@ class Client
      */
     protected function getDefaultClient(): GuzzleClient
     {
-        $logger  =  Middleware::log(
-            $this->getLoggerHandler()->getLogger(),
-            new MessageFormatter(MessageFormatter::DEBUG),
-            'debug'
-        );
         $handlerStack = HandlerStack::create();
-        $handlerStack->push($logger);
+        $handlerStack->push($this->getLoggerMiddleware());
+        $handlerStack->push($this->getRetryMiddleware());
 
         return new GuzzleClient( [
             'base_uri'  => $this->apiUrl->getBaseUri(),
@@ -100,4 +97,28 @@ class Client
     {
         return LoggerHandler::getInstance();
     }
+
+    /**
+     * @param string $loglevel
+     *
+     * @return callable
+     */
+    protected function getLoggerMiddleware(string $loglevel = 'debug'): callable
+    {
+        return Middleware::log(
+            $this->getLoggerHandler()->getLogger(),
+            new MessageFormatter(MessageFormatter::DEBUG),
+            $loglevel
+        );
+    }
+
+    /**
+     * @return callable
+     */
+    protected function getRetryMiddleware(): callable
+    {
+        return GuzzleRetryMiddleware::factory([
+            'max_retry_attempts' => 3
+        ]);
+    }
 }