Merge pull request #8 from Zenith-Kim-Light/rfc3339

Added handler for correct processing RFC3339 formatted date/times

src/Resources/config/services.yaml

@@ -8,6 +8,11 @@ services:
     tags:
       - { name: jms_serializer.subscribing_handler }
 
+  lenats.jms_serializer.datetime.date_rfc3339 _handler:
+    class: LeNats\Services\DateRFC3339Handler
+    tags:
+      - { name: jms_serializer.subscribing_handler }
+
   LeNats\:
     resource: '../../{Services,Listeners,Commands}'
 

src/Services/DateRFC3339Handler.php

@@ -0,0 +1,96 @@
+<?php
+declare(strict_types=1);
+
+namespace LeNats\Services;
+
+use DateTime;
+use \JMS\Serializer\Handler\SubscribingHandlerInterface;
+use \JMS\Serializer\Handler\DateHandler;
+
+/**
+ * Decorates a DateHandler to bypass a bug with nano precision recognition
+ * @see     https://bugs.php.net/bug.php?id=64814
+ * @package LeNats\Services
+ */
+class DateRFC3339Handler implements SubscribingHandlerInterface
+{
+    /**
+     * @var DateHandler
+     */
+    private $decoratedHandler;
+
+    /**
+     * @var string
+     */
+    private $defaultFormat;
+
+    /**
+     * @param string $defaultFormat
+     * @param string $defaultTimezone
+     * @param bool   $xmlCData
+     */
+    public function __construct(
+        string $defaultFormat = DateTime::ATOM, string $defaultTimezone = 'UTC', bool $xmlCData = true
+    ) {
+        $this->decoratedHandler = new DateHandler($defaultFormat, $defaultTimezone, $xmlCData);
+        $this->defaultFormat = $defaultFormat;
+    }
+
+    /**
+     * @param $name
+     * @param $arguments
+     *
+     * @return mixed
+     */
+    public function __call($name, array $arguments)
+    {
+        if (method_exists($this->decoratedHandler, $name)) {
+            switch ($this->defaultFormat) {
+                case DateTime::ATOM:
+                case DateTime::RFC3339:
+                case DateTime::RFC3339_EXTENDED:
+                case DateTime::W3C:
+                    $arguments[1] = $this->prepare($arguments[1]);
+                    break;
+            }
+
+            return call_user_func_array([$this->decoratedHandler, $name], $arguments);
+        }
+
+        return null;
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public static function getSubscribingMethods()
+    {
+        return DateHandler::getSubscribingMethods();
+    }
+
+    /**
+     * Удаляет секцию *time-secfrac* из строки времени
+     * @see https://bugs.php.net/bug.php?id=64814
+     *
+     * @param string $paramDatetime
+     *
+     * @return string
+     */
+    private function prepare(string $paramDatetime): string
+    {
+        preg_match(
+            '#' .                           // open tag
+            '(\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2})' // date-time
+            . '(\.\d+)?'                            // "Z" | time-numoffset
+            . '((Z)|([+-].+))?'                     // time-offset
+            . '#'                                   // close tag
+            ,
+            $paramDatetime,
+            $matches
+        );
+        $datetime = $matches[1];
+        $timeNumoffset = $matches[5] ?? '+00:00';
+
+        return $datetime . $timeNumoffset;
+    }
+}

tests/Services/DateRFC3339HandlerTest.php

@@ -0,0 +1,50 @@
+<?php
+declare(strict_types=1);
+
+namespace LeNats\Services;
+
+use PHPUnit\Framework\TestCase;
+use ReflectionClass;
+
+class DateRFC3339HandlerTest extends TestCase
+{
+    /**
+     * @dataProvider datetimeProvider
+     *
+     * @param string $datetimeRfc3339
+     * @param        $expected
+     *
+     * @throws \ReflectionException
+     */
+    public function testPrepare(string $datetimeRfc3339, $expected)
+    {
+        $handler = new DateRFC3339Handler();
+        $reflection = new ReflectionClass($handler);
+        $method = $reflection->getMethod('prepare');
+        $method->setAccessible(true);
+        $actual = $method->invoke($handler, $datetimeRfc3339);
+        $this->assertEquals($expected, $actual);
+    }
+
+    public function datetimeProvider(): array
+    {
+        return [
+            'RFC3339 formatted date  which php can parse'=>[
+                '2020-06-08T12:46:41+00:00',
+                '2020-06-08T12:46:41+00:00',
+            ],
+            'RFC3339 formatted date with numsec'=>[
+                '2020-06-08T14:50:22.257114',
+                '2020-06-08T14:50:22+00:00',
+            ],
+            'RFC3339 formatted date with numsec and Z'=>[
+                '2020-06-08T14:50:22.257114Z',
+                '2020-06-08T14:50:22+00:00',
+            ],
+            'RFC3339 formatted date with numsec and time offset'=>[
+                '2006-12-12T10:01:02.999999999-04:00',
+                '2006-12-12T10:01:02-04:00',
+            ],
+        ];
+    }
+}