Make sure that stored timestamps are always in UTC time zone

src/Contract/Service/ClockInterface.php

@@ -5,8 +5,11 @@ declare(strict_types=1);
 namespace App\Contract\Service;
 
 use DateTimeImmutable;
+use DateTimeZone;
 
 interface ClockInterface
 {
+    public function getUtcTimeZone(): DateTimeZone;
+
     public function getCurrentDateTime(): DateTimeImmutable;
 }

src/Service/Clock.php

@@ -10,9 +10,14 @@ use DateTimeZone;
 
 final class Clock implements ClockInterface
 {
+    public function getUtcTimeZone(): DateTimeZone
+    {
+        return new DateTimeZone(timezone: 'UTC');
+    }
+
     public function getCurrentDateTime(): DateTimeImmutable
     {
-        $timezone = new DateTimeZone(timezone: 'UTC');
+        $timezone = $this->getUtcTimeZone();
         return new DateTimeImmutable(datetime: 'now', timezone: $timezone);
     }
 }

src/Service/NexusRawDataFactory.php

@@ -7,11 +7,13 @@ namespace App\Service;
 use App\Doctrine\Entity\NexusRawData;
 use DateTimeImmutable;
 
+use DateTimeZone;
+
 use function array_key_exists;
 
 final class NexusRawDataFactory
 {
-    public function createFromJsonDataSubmission(object $decodedJsonData): NexusRawData
+    public function createFromJsonDataSubmission(object $decodedJsonData, DateTimeZone $timeZone): NexusRawData
     {
         $nexusRawData = new NexusRawData();
 
@@ -19,10 +21,12 @@ final class NexusRawDataFactory
 
         if (array_key_exists(key: 'requestStartedAt', array: $data)) {
             $requestStartedAt = new DateTimeImmutable(datetime: $data['requestStartedAt']);
+            $requestStartedAt->setTimezone(timezone: $timeZone);
             $nexusRawData->setRequestStartedAt(requestStartedAt: $requestStartedAt);
         }
         if (array_key_exists(key: 'responseCompletedAt', array: $data)) {
             $responseCompletedAt = new DateTimeImmutable(datetime: $data['responseCompletedAt']);
+            $responseCompletedAt->setTimezone(timezone: $timeZone);
             $nexusRawData->setResponseCompletedAt(responseCompletedAt: $responseCompletedAt);
         }
         if (array_key_exists(key: 'method', array: $data)) {

src/Service/NexusRawDataManager.php

@@ -23,9 +23,13 @@ final class NexusRawDataManager
         string $userAccessTokenValue,
         object $decodedJsonData
     ): NexusRawDataSubmissionResult {
+        $timeZone = $this->clock->getUtcTimeZone();
         $currentDateTime = $this->clock->getCurrentDateTime();
 
-        $nexusRawData = $this->nexusRawDataFactory->createFromJsonDataSubmission(decodedJsonData: $decodedJsonData);
+        $nexusRawData = $this->nexusRawDataFactory->createFromJsonDataSubmission(
+            decodedJsonData: $decodedJsonData,
+            timeZone: $timeZone
+        );
 
         $userAccessToken = $this->userAccessTokenRepository->findByValue(value: $userAccessTokenValue);
         if (null === $userAccessToken) {