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<?
namespace Bitrix\Main\UI\Filter;
use Bitrix\Main\Type\Date;
/**
* Works with quarters
* @package Bitrix\Main\UI\Filter
*/
class Quarter
{
const Q1 = 1;
const Q2 = 2;
const Q3 = 3;
const Q4 = 4;
const Q1_START = 1;
const Q1_END = 3;
const Q2_START = 4;
const Q2_END = 6;
const Q3_START = 7;
const Q3_END = 9;
const Q4_START = 10;
const Q4_END = 12;
/**
* Gets current number of quarter
* @return int
*/
public static function getCurrent()
{
$date = new Date();
return self::get($date);
}
/**
* Gets number of quarter by Bitrix\Main\Type\Date object
* @param Date $date
* @return int
*/
public static function get(Date $date)
{
$currentMonth = $date->format("n");
$currentQuarter = self::Q1;
if ($currentMonth >= self::Q2_START && $currentMonth <= self::Q2_END)
{
$currentQuarter = self::Q2;
}
if ($currentMonth >= self::Q3_START && $currentMonth <= self::Q3_END)
{
$currentQuarter = self::Q3;
}
if ($currentMonth >= self::Q4_START && $currentMonth <= self::Q4_END)
{
$currentQuarter = self::Q4;
}
return $currentQuarter;
}
/**
* Gets start date of quarter
* @param int $quarter
* @param int $year
* @return string
*/
public static function getStartDate($quarter, $year)
{
$startMonth = constant("self::Q".$quarter."_START");
$startDate = Date::createFromTimestamp(mktime(0, 0, 0, $startMonth, 1, $year));
$startDateString = $startDate->toString();
return $startDateString;
}
/**
* Gets end date of quarter
* @param int $quarter
* @param int $year
* @return string
*/
public static function getEndDate($quarter, $year)
{
$date = Date::createFromTimestamp(\MakeTimeStamp(self::getStartDate($quarter, $year)));
$date->add("3 months");
return $date->toString();
}
}