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<?php |
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namespace carono\production; |
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/** |
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* Class Calendar |
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* |
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* @package carono\production |
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*/ |
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class Calendar |
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{ |
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public $format = 'Y-m-d'; |
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private static $_instance; |
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protected static $holidays; |
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/** |
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* @var \DateTime |
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*/ |
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private static $date; |
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public function __toString() |
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{ |
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return $this->date()->format($this->format); |
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} |
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public static function date() |
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{ |
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return static::$date; |
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} |
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public function timestamp() |
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{ |
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return static::date()->getTimestamp(); |
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} |
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/** |
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* @param \DateTime|string $date |
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* |
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* @param array $weekend |
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* |
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* @return bool |
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*/ |
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public static function isWorking($date, $weekend = [6, 0]) |
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{ |
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$isWork = static::findDateInArray($date, static::getWorkingsByYear($date)); |
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$isWeekend = static::isWeekend($date, $weekend); |
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$isHoliday = static::isHoliday($date); |
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return static::isPreHoliday($date) || (!$isHoliday && !$isWeekend) || $isWork; |
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} |
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protected static function findDateInArray($date, $array) |
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{ |
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$date = static::prepareDate($date); |
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return in_array($date->format('Y-m-d'), $array); |
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} |
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public static function isPreHoliday($date) |
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{ |
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return static::findDateInArray($date, static::getPreHolidaysByYear($date)); |
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} |
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/** |
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* @param $date |
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* @return bool |
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*/ |
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public static function isHoliday($date = null) |
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{ |
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return (static::isWeekend($date) && !static::isPreHoliday($date)) || static::findDateInArray($date, static::getHolidaysByYear($date)); |
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} |
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public static function isWeekend($date, $weekend = [6, 0]) |
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{ |
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$date = static::prepareDate($date); |
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return in_array($date->format('w'), $weekend); |
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} |
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/** |
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* @param integer|string|\DateTime $year |
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* @return array |
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*/ |
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public static function getHolidaysByYear($year) |
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{ |
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if (!is_numeric($year)) { |
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$year = static::prepareDate($year)->format('Y'); |
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} |
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$holidays = static::getHolidays(); |
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return isset($holidays[$year]['holidays']) ? $holidays[$year]['holidays'] : []; |
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} |
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/** |
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* @param integer|string|\DateTime $year |
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* @return array |
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*/ |
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public static function getWorkingsByYear($year) |
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{ |
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if (!is_numeric($year)) { |
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$year = static::prepareDate($year)->format('Y'); |
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} |
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$holidays = static::getHolidays(); |
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return isset($holidays[$year]['works']) ? $holidays[$year]['works'] : []; |
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} |
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/** |
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* @param integer|string|\DateTime $year |
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* @return array |
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*/ |
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public static function getPreHolidaysByYear($year) |
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{ |
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if (!is_numeric($year)) { |
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$year = static::prepareDate($year)->format('Y'); |
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} |
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$holidays = static::getHolidays(); |
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return isset($holidays[$year]['preholidays']) ? $holidays[$year]['preholidays'] : []; |
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} |
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/** |
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* @return $this |
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*/ |
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public function day() |
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{ |
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return $this; |
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} |
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/** |
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* @param null|string $format |
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* @return string |
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*/ |
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public function format($format = null) |
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{ |
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return $this->date()->format($format ? $format : $this->format); |
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} |
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/** |
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* @return $this |
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*/ |
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public function working() |
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{ |
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while (!static::isWorking(static::$date)) { |
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$this->next(); |
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} |
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return $this; |
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} |
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/** |
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* @return $this |
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*/ |
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public function holiday() |
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{ |
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while (!static::isHoliday(static::$date) && static::haveData()) { |
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$this->next(); |
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} |
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return $this; |
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} |
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protected static function haveData($date = null) |
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{ |
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$date = $date ? static::prepareDate($date) : static::date(); |
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return isset(static::getHolidays()[$date->format('Y')]); |
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} |
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/** |
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* @return $this |
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*/ |
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public function preHoliday() |
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{ |
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while (!static::isPreHoliday(static::$date) && static::haveData($this->date())) { |
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$this->next(); |
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} |
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return $this; |
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} |
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/** |
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* @return $this |
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*/ |
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public function next() |
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{ |
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static::$date->add(new \DateInterval('P1D')); |
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return $this; |
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} |
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/** |
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* @return $this |
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*/ |
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public function prev() |
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{ |
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static::$date->sub(new \DateInterval('P1D')); |
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return $this; |
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} |
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public static function getInstance() |
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{ |
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return static::$_instance ?: static::find(); |
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} |
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/** |
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* @param null|string|\DateTime $date |
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* @return Calendar |
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*/ |
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public static function find($date = null) |
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{ |
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static::$date = static::prepareDate($date); |
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if (static::$_instance) { |
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return static::$_instance; |
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} else { |
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$json = file_get_contents(__DIR__ . '/holidays.json'); |
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static::$_instance = new self(); |
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static::$holidays = json_decode($json, true); |
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return static::$_instance; |
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} |
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} |
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/** |
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* @param string|\DateTime $date |
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* @return \DateTime |
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*/ |
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protected static function prepareDate($date) |
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{ |
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if (is_null($date) && static::$date) { |
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$date = static::$date; |
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} elseif (!$date instanceof \DateTime) { |
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$date = new \DateTime($date); |
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} |
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return $date; |
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} |
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public static function getHolidays() |
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{ |
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if (!static::$_instance) { |
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static::find(); |
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} |
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return static::$holidays; |
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} |
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private function __construct() |
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{ |
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} |
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protected function __clone() |
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{ |
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} |
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} |