feat: retries of api requests in case of failure

config/services.yaml

@@ -39,6 +39,13 @@ services:
         arguments:
             $username: '%app.usetreno.username%'
             $password: '%app.usetreno.password%'
+            $retryCount: 2
+            $retryWaitSeconds: 0.5
+
+    App\Service\Remote\UsetrenoQRCodeProvider:
+        arguments:
+            $retryCount: 2
+            $retryWaitSeconds: 0.5
 
     App\Service\CachedQRCodeGenerator:
         arguments:

src/Entity/Remote/Usetreno/AuthRequest.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace App\Entity\Remote\Usetreno;
 

src/Service/Remote/Exception/UsetrenoQRCodeRemoteServerErrorException.php

@@ -0,0 +1,9 @@
+<?php
+declare(strict_types=1);
+
+namespace App\Service\Remote\Exception;
+
+class UsetrenoQRCodeRemoteServerErrorException extends UsetrenoQRCodeException
+{
+
+}

src/Service/Remote/UsetrenoHttpClient.php

@@ -5,7 +5,9 @@ namespace App\Service\Remote;
 
 use App\Entity\Remote\Usetreno\AuthRequest;
 use App\Service\Remote\Exception\AuthorizeException;
+use Nubium\Exception\ThisShouldNeverHappenException;
 use Psr\Log\LoggerInterface;
+use Symfony\Component\HttpClient\Exception\TransportException;
 use Symfony\Contracts\HttpClient\Exception\ClientExceptionInterface;
 use Symfony\Contracts\HttpClient\Exception\RedirectionExceptionInterface;
 use Symfony\Contracts\HttpClient\Exception\ServerExceptionInterface;
@@ -16,12 +18,16 @@ use Symfony\Contracts\HttpClient\ResponseStreamInterface;
 
 class UsetrenoHttpClient implements HttpClientInterface
 {
+    use RetryingFailClientTrait;
+
     const AUTHORIZE_API = "https://topapi.top-test.cz/chameleon/api/v1/token";
 
     protected ?string $authorizationToken = null;
 
     public function __construct(protected HttpClientInterface $innerClient, protected readonly LoggerInterface $logger, protected readonly string $username,
-                                protected readonly string $password) { }
+                                protected readonly string $password,
+                                protected readonly float $retryWaitSeconds,
+                                protected readonly int $retryCount) { }
 
     /**
      * @param string $method
@@ -88,26 +94,35 @@ class UsetrenoHttpClient implements HttpClientInterface
             "AUTHORIZE_API" => static::AUTHORIZE_API
         ]);
 
-        $rq = $this->innerClient->request(
+        $responseData = $this->retryingFailRequest($this->retryCount, $this->retryWaitSeconds,
-            "POST",
+            [AuthorizeException::class, TransportException::class], $this->logger, function() {
-            static::AUTHORIZE_API,
+            $rq = $this->innerClient->request(
-            [
+                "POST",
-                'json' => new AuthRequest($this->username, $this->password),
+                static::AUTHORIZE_API,
-            ]
+                [
-        );
+                    'json' => new AuthRequest($this->username, $this->password),
+                ]
+            );
 
-        $statusCode = $rq->getStatusCode();
+            $statusCode = $rq->getStatusCode();
-        $responseData = $rq->getContent(false);
+            $responseData = $rq->getContent(false);
 
-        if ($statusCode != 200) {
+            if ($statusCode != 200) {
-            $this->logger->error("authorization request status code is not ok", [
+                $this->logger->error("authorization request status code is not ok", [
-               "AUTHORIZE_API" => static::AUTHORIZE_API,
+                    "AUTHORIZE_API" => static::AUTHORIZE_API,
-                "statusCode" => $statusCode,
+                    "statusCode" => $statusCode,
-                "content" => $responseData,
+                    "content" => $responseData,
-                "username" => $this->username
+                    "username" => $this->username
-            ]);
+                ]);
 
-            throw new AuthorizeException("Return code is not 200 OK (got: code: $statusCode)");
+                throw new AuthorizeException("Return code is not 200 OK (got: code: $statusCode)");
+            }
+
+            return $responseData;
+        });
+
+        if (!is_string($responseData)) {
+            throw new ThisShouldNeverHappenException("responseData is not a string");
         }
 
         $this->authorizationToken = $this->processAuthorizeResponse($responseData);

src/Service/Remote/UsetrenoQRCodeProvider.php

@@ -7,16 +7,23 @@ use App\Entity\DTO\QRCode\QRCode;
 use App\Service\CacheableQRCodeGeneratorInterface;
 use App\Service\Remote\Edge\QRCodeEntityConverter;
 use App\Service\Remote\Exception\UsetrenoQRCodeException;
+use App\Service\Remote\Exception\UsetrenoQRCodeRemoteServerErrorException;
+use Nubium\Exception\ThisShouldNeverHappenException;
 use Psr\Log\LoggerInterface;
+use Symfony\Component\HttpClient\Exception\TransportException;
 
 class UsetrenoQRCodeProvider implements CacheableQRCodeGeneratorInterface
 {
+    use RetryingFailClientTrait;
+
     const QRCODE_API = 'https://topapi.top-test.cz/chameleon/api/v1/qr-code/create-for-bank-account-payment';
     const QRCODE_METHOD = 'POST';
 
     public function __construct(protected readonly LoggerInterface $logger,
                                 protected readonly UsetrenoHttpClient $client,
-                                protected readonly QRCodeEntityConverter $codeEntityConverter) { }
+                                protected readonly QRCodeEntityConverter $codeEntityConverter,
+                                protected readonly float $retryWaitSeconds,
+                                protected readonly int $retryCount) { }
 
     public function generateQRCodeFromEntity(QRCode $entity): string
     {
@@ -27,27 +34,41 @@ class UsetrenoQRCodeProvider implements CacheableQRCodeGeneratorInterface
             "edgeEntity" => $edgeEntity
         ]);
 
-        $response = $this->client->request(static::QRCODE_METHOD, static::QRCODE_API, [
+        $responseData = $this->retryingFailRequest($this->retryCount, $this->retryWaitSeconds,
-            'json' => $edgeEntity,
+            [TransportException::class, UsetrenoQRCodeRemoteServerErrorException::class], $this->logger,
-        ]);
+            function() use ($edgeEntity) {
+                $response = $this->client->request(static::QRCODE_METHOD, static::QRCODE_API, [
+                    'json' => $edgeEntity,
+                ]);
 
-        $statusCode = $response->getStatusCode();
+                $statusCode = $response->getStatusCode();
-        $responseData = $response->getContent(false);
+                $responseData = $response->getContent(false);
 
-        if ($statusCode != 200) {
+                if ($statusCode != 200) {
-            $this->logger->error("qrcode request status code is not ok", [
+                    $this->logger->error("qrcode request status code is not ok", [
-                "AUTHORIZE_API" => static::QRCODE_API,
+                        "AUTHORIZE_API" => static::QRCODE_API,
-                "statusCode" => $statusCode,
+                        "statusCode" => $statusCode,
-                "content" => $responseData,
+                        "content" => $responseData,
-            ]);
+                    ]);
 
-            throw new UsetrenoQRCodeException("Return code is not 200 OK (got: code: $statusCode)");
+                    if ($statusCode > 500) {
+                        throw new UsetrenoQRCodeRemoteServerErrorException("Return code is not 200 OK (got: code: $statusCode)");
+                    }
+
+                    throw new UsetrenoQRCodeException("Return code is not 200 OK (got: code: $statusCode)");
+                }
+
+                $this->logger->debug("QRCode generation success", [
+                    "responseContent" => $responseData,
+                ]);
+
+                return $responseData;
+        });
+
+        if (!is_string($responseData)) {
+            throw new ThisShouldNeverHappenException("responseData is not a string");
         }
         
-        $this->logger->debug("QRCode generation success", [
-            "responseContent" => $responseData,
-        ]);
-
         return $this->parseBase64String($this->processQRCodeResponseEntity($responseData));
     }
 

tests/Service/Remote/UsetrenoHttpClientTest.php

@@ -24,7 +24,7 @@ class UsetrenoHttpClientTest extends TestCase
         ]);
         $authorizedRequestResponse = clone $authMockResponse;
         $mockedClient = new MockHttpClient([$authMockResponse, $authorizedRequestResponse]);
-        $client = new UsetrenoHttpClient($mockedClient, $this->getLogger(), "foo", "bar");
+        $client = new UsetrenoHttpClient($mockedClient, $this->getLogger(), "foo", "bar", 0, 0);
         $client->request("POST", "https://www.root.cz/");
         $this->assertEquals("https://topapi.top-test.cz/chameleon/api/v1/token", $authMockResponse->getRequestUrl());
         $headers = $authorizedRequestResponse->getRequestOptions()['headers'];
@@ -48,7 +48,7 @@ class UsetrenoHttpClientTest extends TestCase
 
         $authorizedRequestResponse = clone $authMockResponse;
         $mockedClient = new MockHttpClient([$authMockResponse, $authorizedRequestResponse]);
-        $client = new UsetrenoHttpClient($mockedClient, $this->getLogger(), "foo", "bar");
+        $client = new UsetrenoHttpClient($mockedClient, $this->getLogger(), "foo", "bar", 0, 0);
         $client->request("POST", "https://www.root.cz/");
     }
 }

tests/Service/Remote/UsetrenoQRCodeProviderTest.php

@@ -75,7 +75,7 @@ class UsetrenoQRCodeProviderTest extends TestCase
             ->method('convert')
             ->will($this->returnValue($edgeEntity));
 
-        return new UsetrenoQRCodeProvider($this->getLogger(), $mock, $converterMock);
+        return new UsetrenoQRCodeProvider($this->getLogger(), $mock, $converterMock, 0, 0);
     }
 
     protected function createQRCodeEntityPair() {