Merge pull request #41300 from nextcloud/enh/add-timezone-generator

Add timezone getter to ITimeFactory

lib/private/AppFramework/Utility/TimeFactory.php

 
 		return $clone;
 	}
+
+	public function getTimeZone(?string $timezone = null): \DateTimeZone {
+		if ($timezone !== null) {
+			return new \DateTimeZone($timezone);
+		}
+		return $this->timezone;
+	}
 }

lib/public/AppFramework/Utility/ITimeFactory.php

 	 * @since 26.0.0
 	 */
 	public function withTimeZone(\DateTimeZone $timezone): static;
+
+	/**
+	 * @param string|null $timezone
+	 * @return \DateTimeZone Requested timezone if provided, UTC otherwise
+	 * @throws \Exception
+	 * @since 29.0.0
+	 */
+	public function getTimeZone(?string $timezone = null): \DateTimeZone;
 }

tests/lib/AppFramework/Utility/TimeFactoryTest.php

 		$now = $withTimeZone->now();
 		self::assertSame('Europe/Berlin', $now->getTimezone()->getName());
 	}
+
+	public function testGetTimeZone(): void {
+		$expected = new \DateTimeZone('Europe/Berlin');
+		$actual = $this->timeFactory->getTimeZone('Europe/Berlin');
+		self::assertEquals($expected, $actual);
+	}
+
+	public function testGetTimeZoneUTC(): void {
+		$expected = new \DateTimeZone('UTC');
+		$actual = $this->timeFactory->getTimeZone();
+		self::assertEquals($expected, $actual);
+	}
+
+	public function testGetTimeZoneInvalid(): void {
+		$this->expectException(\Exception::class);
+		$this->timeFactory->getTimeZone('blubblub');
+	}
 }