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Merge pull request #11977 from MrPetovan/bug/11938-exotic-date-time-formats 

Add a couple new cases to DateTimeFormat::fix()
This commit is contained in:
Michael Vogel 2022-10-09 17:16:01 +02:00 committed by GitHub
parent b5ad8c3e15 a4b0ebf160
commit 2b03edd59e
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2 changed files with 57 additions and 42 deletions
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42
src/Util/DateTimeFormat.php
View File

@ -119,7 +119,7 @@ class DateTimeFormat
* @return string Formatted date according to given format
* @throws Exception
*/
public static function convert($s = 'now', $tz_to = 'UTC', $tz_from = 'UTC', $format = self::MYSQL)
public static function convert(string $s = 'now', string $tz_to = 'UTC', string $tz_from = 'UTC', string $format = self::MYSQL): string
{
// Defaults to UTC if nothing is set, but throws an exception if set to empty string.
// Provide some sane defaults regardless.
@ -135,20 +135,11 @@ class DateTimeFormat
$s = 'now';
}
$s = self::fix($s);
/*
* Slight hackish adjustment so that 'zero' datetime actually returns what is intended
* otherwise we end up with -0001-11-30 ...
* add 32 days so that we at least get year 00, and then hack around the fact that
* months and days always start with 1.
*/
// Lowest possible datetime value
if (substr($s, 0, 10) <= '0001-01-01') {
if ($s < '0000-00-00') {
$s = '0000-00-00';
}
$d = new DateTime($s . ' + 32 days', new DateTimeZone('UTC'));
return str_replace('1', '0', $d->format($format));
$d = new DateTime('now', new DateTimeZone('UTC'));
$d->setDate(1, 1, 1)->setTime(0, 0);
return $d->format($format);
}
try {
@ -160,9 +151,13 @@ class DateTimeFormat
try {
$d = new DateTime($s, $from_obj);
} catch (Exception $e) {
try {
$d = new DateTime(self::fix($s), $from_obj);
} catch (\Throwable $e) {
Logger::warning('DateTimeFormat::convert: exception: ' . $e->getMessage());
$d = new DateTime('now', $from_obj);
}
}
try {
$to_obj = new DateTimeZone($tz_to);
@ -176,7 +171,10 @@ class DateTimeFormat
}
/**
* Fix weird date formats
* Fix weird date formats.
*
* Note: This method isn't meant to sanitize valid date/time strings, for example it will mangle relative date
* strings like "now - 3 days".
*
* @see \Friendica\Test\src\Util\DateTimeFormatTest::dataFix() for a list of examples handled by this method.
* @param string $dateString
@ -184,17 +182,17 @@ class DateTimeFormat
*/
public static function fix(string $dateString): string
{
$patterns = [
['#(\w+), (\d+/\d+/\d+) - (\d+:\d+)#', '$1, $2 $3'],
['#(\d+-\d+-\d+)T(\d+:\d+:\d+)ZZ#', '$1T$2Z'],
['#(\d+-\d+-\d+)T(\d+:\d+:\d+\.\d+)ZZ#', '$1T$2Z'],
$search = ['Mär', 'März', 'Mai', 'Juni', 'Juli', 'Okt', 'Dez', 'ET' , 'ZZ', ' - ', '&#x2B;'];
$replace = ['Mar', 'Mar' , 'May', 'Jun' , 'Jul' , 'Oct', 'Dec', 'EST', 'Z' , ', ' , '+' ];
$dateString = str_replace($search, $replace, $dateString);
$pregPatterns = [
['#(\w+), (\d+ \w+ \d+) (\d+:\d+:\d+) (.+)#', '$2 $3 $4'],
['#(\d+:\d+) (\w+), (\w+) (\d+), (\d+)#', '$1 $2 $3 $4 $5'],
['#(\w+ \d+, \d+) - (\d+:\d+)#', '$1, $2'],
['~(\d+-\d+-\d+)T(\d+:\d+:\d+)&#x2B;(\d+:\d+)~', '$1T$2+$3'],
];
foreach ($patterns as $pattern) {
foreach ($pregPatterns as $pattern) {
$dateString = preg_replace($pattern[0], $pattern[1], $dateString);
}

53
tests/src/Util/DateTimeFormatTest.php
View File

@ -92,53 +92,70 @@ class DateTimeFormatTest extends MockedTest
{
return [
'Mo, 19 Sep 2022 14:51:00 +0200' => [
'expected' => '19 Sep 2022 14:51:00 +0200',
'expectedDate' => '2022-09-19T14:51:00+02:00',
'dateString' => 'Mo, 19 Sep 2022 14:51:00 +0200',
],
'2020-11-21T12:00:13.745339ZZ' => [
'expected' => '2020-11-21T12:00:13.745339Z',
'expectedDate' => '2020-11-21T12:00:13+00:00',
'dateString' => '2020-11-21T12:00:13.745339ZZ',
],
'2016-09-09T13:32:00ZZ' => [
'expected' => '2016-09-09T13:32:00Z',
'expectedDate' => '2016-09-09T13:32:00+00:00',
'dateString' => '2016-09-09T13:32:00ZZ',
],
'2021-09-09T16:19:00ZZ' => [
'expected' => '2021-09-09T16:19:00Z',
'dateString' => '2021-09-09T16:19:00ZZ',
],
'Sun, 10/03/2021 - 12:41' => [
'expected' => 'Sun, 10/03/2021 12:41',
'expectedDate' => '2021-10-03T12:41:00+00:00',
'dateString' => 'Sun, 10/03/2021 - 12:41',
],
'Mon, 09/12/2022 - 09:02' => [
'expected' => 'Mon, 09/12/2022 09:02',
'dateString' => 'Mon, 09/12/2022 - 09:02',
],
'4:30 PM, Sep 13, 2022' => [
'expected' => '4:30 PM Sep 13 2022',
'expectedDate' => '2022-09-13T16:30:00+00:00',
'dateString' => '4:30 PM, Sep 13, 2022',
],
'August 27, 2022 - 21:00' => [
'expected' => 'August 27, 2022, 21:00',
'expectedDate' => '2022-08-27T21:00:00+00:00',
'dateString' => 'August 27, 2022 - 21:00',
],
'2021-09-19T14:06:03&#x2B;00:00' => [
'expected' => '2021-09-19T14:06:03+00:00',
'expectedDate' => '2021-09-19T14:06:03+00:00',
'dateString' => '2021-09-19T14:06:03&#x2B;00:00',
],
'Eastern Time timezone' => [
'expectedDate' => '2022-09-30T00:00:00-05:00',
'dateString' => 'September 30, 2022, 12:00 a.m. ET',
],
'German date time string' => [
'expectedDate' => '2022-10-05T16:34:00+02:00',
'dateString' => '05 Okt 2022 16:34:00 +0200',
]
];
}
/**
* @dataProvider dataFix
*
* @param $expected
* @param $expectedDate
* @param $dateString
* @return void
* @throws \Exception
*/
public function testFix($expected, $dateString)
public function testFix($expectedDate, $dateString)
{
$this->assertEquals($expected, DateTimeFormat::fix($dateString));
$fixed = DateTimeFormat::fix($dateString);
$this->assertEquals($expectedDate, (new \DateTime($fixed))->format('c'));
}
/**
* This test is meant to ensure DateTimeFormat::fix() isn't called on relative date/time strings
*
* @return void
* @throws \Exception
*/
public function testConvertRelative()
{
$now = DateTimeFormat::utcNow('U');
$date = DateTimeFormat::utc('now - 3 days', 'U');
$this->assertEquals(259200, $now - $date);
}
}