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Diffstat (limited to 'vendor/dragonmantank/cron-expression/src/Cron/DayOfWeekField.php')
| -rw-r--r-- | vendor/dragonmantank/cron-expression/src/Cron/DayOfWeekField.php | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/vendor/dragonmantank/cron-expression/src/Cron/DayOfWeekField.php b/vendor/dragonmantank/cron-expression/src/Cron/DayOfWeekField.php new file mode 100644 index 0000000..b9bbf48 --- /dev/null +++ b/vendor/dragonmantank/cron-expression/src/Cron/DayOfWeekField.php @@ -0,0 +1,194 @@ +<?php + +declare(strict_types=1); + +namespace Cron; + +use DateTimeInterface; +use InvalidArgumentException; + +/** + * Day of week field. Allows: * / , - ? L #. + * + * Days of the week can be represented as a number 0-7 (0|7 = Sunday) + * or as a three letter string: SUN, MON, TUE, WED, THU, FRI, SAT. + * + * 'L' stands for "last". It allows you to specify constructs such as + * "the last Friday" of a given month. + * + * '#' is allowed for the day-of-week field, and must be followed by a + * number between one and five. It allows you to specify constructs such as + * "the second Friday" of a given month. + */ +class DayOfWeekField extends AbstractField +{ + /** + * {@inheritdoc} + */ + protected $rangeStart = 0; + + /** + * {@inheritdoc} + */ + protected $rangeEnd = 7; + + /** + * @var array Weekday range + */ + protected $nthRange; + + /** + * {@inheritdoc} + */ + protected $literals = [1 => 'MON', 2 => 'TUE', 3 => 'WED', 4 => 'THU', 5 => 'FRI', 6 => 'SAT', 7 => 'SUN']; + + /** + * Constructor + */ + public function __construct() + { + $this->nthRange = range(1, 5); + parent::__construct(); + } + + /** + * @inheritDoc + */ + public function isSatisfiedBy(DateTimeInterface $date, $value, bool $invert): bool + { + if ('?' === $value) { + return true; + } + + // Convert text day of the week values to integers + $value = $this->convertLiterals($value); + + $currentYear = (int) $date->format('Y'); + $currentMonth = (int) $date->format('m'); + $lastDayOfMonth = (int) $date->format('t'); + + // Find out if this is the last specific weekday of the month + if ($lPosition = strpos($value, 'L')) { + $weekday = $this->convertLiterals(substr($value, 0, $lPosition)); + $weekday %= 7; + + $daysInMonth = (int) $date->format('t'); + $remainingDaysInMonth = $daysInMonth - (int) $date->format('d'); + return (($weekday === (int) $date->format('w')) && ($remainingDaysInMonth < 7)); + } + + // Handle # hash tokens + if (strpos($value, '#')) { + [$weekday, $nth] = explode('#', $value); + + if (!is_numeric($nth)) { + throw new InvalidArgumentException("Hashed weekdays must be numeric, {$nth} given"); + } else { + $nth = (int) $nth; + } + + // 0 and 7 are both Sunday, however 7 matches date('N') format ISO-8601 + if ('0' === $weekday) { + $weekday = 7; + } + + $weekday = (int) $this->convertLiterals((string) $weekday); + + // Validate the hash fields + if ($weekday < 0 || $weekday > 7) { + throw new InvalidArgumentException("Weekday must be a value between 0 and 7. {$weekday} given"); + } + + if (!\in_array($nth, $this->nthRange, true)) { + throw new InvalidArgumentException("There are never more than 5 or less than 1 of a given weekday in a month, {$nth} given"); + } + + // The current weekday must match the targeted weekday to proceed + if ((int) $date->format('N') !== $weekday) { + return false; + } + + $tdate = clone $date; + $tdate = $tdate->setDate($currentYear, $currentMonth, 1); + $dayCount = 0; + $currentDay = 1; + while ($currentDay < $lastDayOfMonth + 1) { + if ((int) $tdate->format('N') === $weekday) { + if (++$dayCount >= $nth) { + break; + } + } + $tdate = $tdate->setDate($currentYear, $currentMonth, ++$currentDay); + } + + return (int) $date->format('j') === $currentDay; + } + + // Handle day of the week values + if (false !== strpos($value, '-')) { + $parts = explode('-', $value); + if ('7' === $parts[0]) { + $parts[0] = 0; + } elseif ('0' === $parts[1]) { + $parts[1] = 7; + } + $value = implode('-', $parts); + } + + // Test to see which Sunday to use -- 0 == 7 == Sunday + $format = \in_array(7, array_map(function ($value) { + return (int) $value; + }, str_split($value)), true) ? 'N' : 'w'; + $fieldValue = (int) $date->format($format); + + return $this->isSatisfied($fieldValue, $value); + } + + /** + * @inheritDoc + */ + public function increment(DateTimeInterface &$date, $invert = false, $parts = null): FieldInterface + { + if (! $invert) { + $date = $date->add(new \DateInterval('P1D')); + $date = $date->setTime(0, 0); + } else { + $date = $date->sub(new \DateInterval('P1D')); + $date = $date->setTime(23, 59); + } + + return $this; + } + + /** + * {@inheritdoc} + */ + public function validate(string $value): bool + { + $basicChecks = parent::validate($value); + + if (!$basicChecks) { + if ('?' === $value) { + return true; + } + + // Handle the # value + if (false !== strpos($value, '#')) { + $chunks = explode('#', $value); + $chunks[0] = $this->convertLiterals($chunks[0]); + + if (parent::validate($chunks[0]) && is_numeric($chunks[1]) && \in_array((int) $chunks[1], $this->nthRange, true)) { + return true; + } + } + + if (preg_match('/^(.*)L$/', $value, $matches)) { + return $this->validate($matches[1]); + } + + return false; + } + + return $basicChecks; + } +} |