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<?php
namespace Apptus\ESales\Connector\Time;
class WeekDate extends IsoDate {
const ABSOLUTE_PATTERN = '/^([0-9][0-9][0-9][0-9])((-?)W([0-5][0-9])((-?)([1-7]))?)?$/';
const RELATIVE_DAY_PATTERN = '/^((([0-9][0-9][0-9][0-9])(-?))?W([0-5][0-9])(-?))?([1-7])$/';
const RELATIVE_WEEK_PATTERN = '/^(([0-9][0-9][0-9][0-9])(-?))?W([0-5][0-9])$/';
const RELATIVE_YEAR_PATTERN = '/^([0-9][0-9][0-9][0-9])$/';
public static function tryParseAbsolute($input) {
$matches = array ();
$m = preg_match(self::ABSOLUTE_PATTERN, $input, $matches);
if ($m === 1) {
$year = (int) $matches[1];
$week = empty($matches[4]) ? null : (int) $matches[4];
$day = empty($matches[7]) ? null : (int) $matches[7];
return new WeekDate($year, $week, $day);
}
return null;
}
public static function tryParseRelative($input, WeekDate $start) {
if ($start->dayOfWeek() !== null) {
$matches = array ();
$m = preg_match(self::RELATIVE_DAY_PATTERN, $input, $matches);
if ($m === 1) {
$year = empty($matches[3]) ? $start->year() : (int) $matches[3];
$week = empty($matches[5]) ? $start->week() : (int) $matches[5];
$day = (int) $matches[7];
return new WeekDate($year, $week, $day);
}
} elseif ($start->week() !== null) {
$matches = array ();
$m = preg_match(self::RELATIVE_WEEK_PATTERN, $input, $matches);
if ($m === 1) {
$year = empty($matches[2]) ? $start->year() : (int) $matches[2];
$week = (int) $matches[4];
return new WeekDate($year, $week, null);
}
} else {
$matches = array ();
$m = preg_match(self::RELATIVE_YEAR_PATTERN, $input, $matches);
if ($m === 1) {
$year = (int) $matches[1];
return new WeekDate($year, null, null);
}
}
return null;
}
private $year;
private $week;
private $dayOfWeek;
public function __construct($year, $week, $dayOfWeek) {
if ($year === null) {
throw new \InvalidArgumentException('Year may not be null.');
}
if ($week !== null && ($week < 1 || $week > 53)) {
throw new \InvalidArgumentException('Week must be in the range 1-53.');
}
if ($dayOfWeek !== null && $week === null) {
throw new \InvalidArgumentException('Week may not be null when day of week is specified.');
}
if ($dayOfWeek !== null && ($dayOfWeek < 1 || $dayOfWeek > 7)) {
throw new \InvalidArgumentException('Day of week must be in the range 1-7.');
}
$this->year = $year;
$this->week = $week;
$this->dayOfWeek = $dayOfWeek;
}
public function year() {
return $this->year;
}
public function week() {
return $this->week;
}
public function dayOfWeek() {
return $this->dayOfWeek;
}
public function hasDayPrecision() {
return $this->dayOfWeek != null;
}
public function __toString() {
$result = sprintf('%04d', $this->year);
if ($this->week !== null) {
$result .= sprintf('-W%02d', $this->week);
if ($this->dayOfWeek !== null) {
$result .= '-' . $this->dayOfWeek;
}
}
return $result;
}
public function toTimePoint(Time $t = null, \DateTimeZone $tz) {
if ($t === null) {
$t = new Time(0, 0, 0, null);
}
$year = $this->year;
$week = $this->week !== null ? $this->week : 1;
$hour = $t->hour();
$minute = $t->minute();
if ($minute === null) $minute = 0;
$second = $t->second();
if ($second === null) $second = 0;
if ($t->offset() !== null) {
$tz = new \DateTimeZone('UTC');
}
$dt = new \DateTime($year . '-W' . $week, $tz);
if ($this->dayOfWeek !== null && $this->dayOfWeek > 1) {
$dt->modify(($this->dayOfWeek - 1) . ' days');
}
$dt->setTime($hour, $minute, $second);
$offset = $t->offset();
if ($offset !== null) {
if ($offset < 0) {
$dt->add(new \DateInterval('PT' . -$offset . 'M'));
} else {
$dt->sub(new \DateInterval('PT' . $offset . 'M'));
}
}
return TimePoint::fromDateTime($dt);
}
public function equals($o) {
if ($this === $o) return true;
if ($o === null || gettype($o) !== 'object' || get_class($this) !== get_class($o)) return false;
$that = $o;
if ($this->dayOfWeek !== $that->dayOfWeek) return false;
if ($this->week !== null ? $this->week !== $that->week : $that->week !== null) return false;
if ($this->year !== null ? $this->year !== $that->year : $that->year !== null) return false;
return true;
}
}