DateTimeFormat: support shortcut properties

src/Utils/DateTime.php

@@ -14,10 +14,27 @@
 
 /**
  * DateTime.
+ * @property-read int $timestamp
+ * @property-read int $year
+ * @property-read int $month
+ * @property-read int $day
+ * @property-read int $hour
+ * @property-read int $minute
+ * @property-read int $second
+ * @property-read int $microsecond
+ * @property-read int $millisecond
+ * @property-read string $date
+ * @property-read string $dateTime
+ * @property-read string $dateTimeTz
+ * @property-read string $dateTimeMicro
+ * @property-read string $dateTimeMicroTz
+ * @property-read float $timestampMicro
+ * @property-read int $dayOfWeek
  */
 class DateTime extends \DateTime implements \JsonSerializable
 {
 	use Nette\SmartObject;
+	use DateTimeFormat;
 
 	/** minute in seconds */
 	public const MINUTE = 60;
@@ -125,7 +142,7 @@ public function jsonSerialize(): string
 	 */
 	public function __toString(): string
 	{
-		return $this->format('Y-m-d H:i:s');
+		return $this->getDateTime();
 	}
 
 

src/Utils/DateTimeFormat.php

@@ -0,0 +1,110 @@
+<?php
+
+/**
+ * This file is part of the Nette Framework (https://nette.org)
+ * Copyright (c) 2004 David Grudl (https://davidgrudl.com)
+ */
+
+declare(strict_types=1);
+
+namespace Nette\Utils;
+
+/**
+ * Date time format collection.
+ */
+trait DateTimeFormat
+{
+	public function getYear(): int
+	{
+		return (int) $this->format('Y');
+	}
+
+
+	public function getMonth(): int
+	{
+		return (int) $this->format('n');
+	}
+
+
+	public function getDay(): int
+	{
+		return (int) $this->format('j');
+	}
+
+
+	public function getHour(): int
+	{
+		return (int) $this->format('G');
+	}
+
+
+	public function getMinute(): int
+	{
+		return (int) $this->format('i');
+	}
+
+
+	public function getSecond(): int
+	{
+		return (int) $this->format('s');
+	}
+
+
+	public function getMicrosecond(): int
+	{
+		return (int) $this->format('u');
+	}
+
+
+	public function getMillisecond(): int
+	{
+		return (int) $this->format('v');
+	}
+
+
+	public function getDate(): string
+	{
+		return $this->format('Y-m-d');
+	}
+
+
+	public function getDateTime(): string
+	{
+		return $this->format('Y-m-d H:i:s');
+	}
+
+
+	public function getDateTimeTz(): string
+	{
+		return $this->format('Y-m-d H:i:sO');
+	}
+
+
+	public function getDateTimeMicro(): string
+	{
+		$micro = rtrim($this->format('u'), '0');
+		if ($micro === '') {
+			$micro = '0';
+		}
+
+		return $this->format('Y-m-d H:i:s.') . $micro;
+	}
+
+
+	public function getDateTimeMicroTz(): string
+	{
+		return $this->getDateTimeMicro() . $this->format('O');
+	}
+
+
+	public function getTimestampMicro(): float
+	{
+		return (float) $this->format('U.u');
+	}
+
+
+	public function getDayOfWeek(): int
+	{
+		return (int) $this->format('N');
+	}
+}

tests/Utils/DateTimeFormat.properties.phpt

@@ -0,0 +1,41 @@
+<?php
+
+/**
+ * Test: custom properties of Nette\Utils\DateTime.
+ */
+
+declare(strict_types=1);
+
+use Nette\Utils\DateTime;
+use Tester\Assert;
+
+require __DIR__ . '/../bootstrap.php';
+
+
+date_default_timezone_set('Europe/Prague');
+
+Assert::same(1978, DateTime::from('1978-01-23 11:40:00.86')->year);
+Assert::same(1, DateTime::from('1978-01-23 11:40:00.86')->month);
+Assert::same(23, DateTime::from('1978-01-23 11:40:00.86')->day);
+Assert::same(11, DateTime::from('1978-01-23 11:40:00.86')->hour);
+Assert::same(40, DateTime::from('1978-01-23 11:40:00.86')->minute);
+Assert::same(0, DateTime::from('1978-01-23 11:40:00.86')->second);
+Assert::same(863500, DateTime::from('1978-01-23 11:40:00.8635')->microsecond);
+Assert::same(863, DateTime::from('1978-01-23 11:40:00.8635')->millisecond);
+Assert::same('1978-01-23', DateTime::from('1978-01-23 11:40:00.86')->date);
+Assert::same('1978-01-23 11:40:00', DateTime::from('1978-01-23 11:40:00.86')->dateTime);
+Assert::same('1978-01-23 11:40:00+0100', DateTime::from('1978-01-23 11:40:00.86')->dateTimeTz);
+Assert::same('1978-01-23 11:40:00.86', DateTime::from('1978-01-23 11:40:00.860000')->dateTimeMicro);
+Assert::same('1978-01-23 11:40:00.0', DateTime::from('1978-01-23 11:40:00.000000')->dateTimeMicro);
+Assert::same('1978-01-23 11:40:00.86+0100', DateTime::from('1978-01-23 11:40:00.860000')->dateTimeMicroTz);
+Assert::same(254_400_000.86, DateTime::from('1978-01-23 11:40:00.860000')->timestampMicro);
+Assert::same(254_400_000, DateTime::from('1978-01-23 11:40:00.860000')->timestamp);
+Assert::same(1, DateTime::from('1978-01-23 11:40:00.860000')->dayOfWeek);
+
+/**
+ * reverse engineering does not work, it is reason why keep zero for microsecond
+ * @see \Nette\Utils\DateTimeFormat::getDateTimeMicro()
+ */
+Assert::type(DateTime::class, DateTime::createFromFormat('Y-m-d H:i:s.u', '1978-01-23 11:40:00.0'));
+Assert::false(DateTime::createFromFormat('Y-m-d H:i:s.u', '1978-01-23 11:40:00.'));
+Assert::false(DateTime::createFromFormat('Y-m-d H:i:s.u', '1978-01-23 11:40:00'));