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<?php |
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/* |
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* This file is part of the feed-io package. |
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* |
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* (c) Alexandre Debril <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace FeedIo\Rule; |
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use Psr\Log\LoggerInterface; |
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use Psr\Log\NullLogger; |
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class DateTimeBuilder |
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{ |
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/** |
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* Supported date formats |
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* @var array |
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*/ |
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protected $dateFormats = [ |
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\DateTime::RFC2822, |
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\DateTime::ATOM, |
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\DateTime::RFC3339, |
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\DateTime::RSS, |
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\DateTime::W3C, |
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'Y-m-d\TH:i:s.uP', |
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'Y-m-d\TH:i:s', |
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'Y-m-d', |
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'd/m/Y', |
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'D, d M Y H:i O', |
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'D, d M Y H:i:s O', |
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'D M d Y H:i:s e', |
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'*, m#d#Y - H:i', |
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]; |
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/** |
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* @var \DateTimeZone |
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*/ |
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protected $timezone; |
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/** |
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* @var LoggerInterface |
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*/ |
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protected $logger; |
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/** |
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* @var string |
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*/ |
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protected $lastGuessedFormat = \DateTime::RFC2822; |
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/** |
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* @param \Psr\Log\LoggerInterface $logger |
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*/ |
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public function __construct(LoggerInterface $logger = null) |
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{ |
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if ( is_null($logger) ) { |
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$logger = new NullLogger; |
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} |
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$this->logger = $logger; |
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$this->setTimezone(new \DateTimeZone(date_default_timezone_get())); |
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} |
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/** |
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* @param $dateFormat |
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* @return $this |
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*/ |
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public function addDateFormat($dateFormat) |
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{ |
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$this->dateFormats[] = $dateFormat; |
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return $this; |
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} |
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/** |
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* @param array $dateFormats |
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* @return $this |
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*/ |
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public function setDateFormats(array $dateFormats) |
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{ |
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$this->dateFormats = $dateFormats; |
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return $this; |
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} |
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/** |
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* @return string |
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*/ |
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public function getLastGuessedFormat() |
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{ |
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return $this->lastGuessedFormat; |
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} |
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/** |
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* |
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* @param string $date |
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* @return string|false date Format |
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* @throws InvalidArgumentException |
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*/ |
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public function guessDateFormat($date) |
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{ |
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foreach ($this->dateFormats as $format) { |
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$test = \DateTime::createFromFormat($format, $date); |
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if ($test instanceof \DateTime) { |
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$this->lastGuessedFormat = $format; |
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return $format; |
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} |
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} |
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return false; |
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} |
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/** |
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* Creates a DateTime instance for the given string. Default format is RFC2822 |
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* @param string $string |
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* @return \DateTime |
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*/ |
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public function convertToDateTime($string) |
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{ |
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$string = trim($string); |
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foreach ([$this->getLastGuessedFormat(), $this->guessDateFormat($string) ] as $format) { |
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$date = \DateTime::createFromFormat($format, $string); |
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if ($date instanceof \DateTime) { |
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$date->setTimezone($this->getTimezone()); |
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return $date; |
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} |
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} |
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return $this->stringToDateTime($string); |
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} |
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/** |
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* Creates a DateTime instance for the given string if the format was not catch from the list |
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* @param string $string |
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* @return \DateTime |
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* @throws InvalidArgumentException |
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*/ |
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public function stringToDateTime($string) |
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{ |
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$this->logger->notice("unsupported date format, use strtotime() to build the DateTime instance : {$string}"); |
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if ( false === strtotime($string) ) { |
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throw new \InvalidArgumentException('Impossible to convert date : '.$string); |
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} |
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$date = new \DateTime($string); |
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$date->setTimezone($this->getTimezone()); |
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return $date; |
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} |
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/** |
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* @return \DateTimeZone |
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*/ |
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public function getTimezone() |
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{ |
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return $this->timezone; |
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} |
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/** |
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* @param \DateTimeZone $timezone |
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*/ |
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public function setTimezone(\DateTimeZone $timezone) |
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{ |
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$this->timezone = $timezone; |
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} |
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} |
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alexdebril /
feed-io
