Andegna\DateTimeFactory

Complexity

Total Complexity

7

Size/Duplication

Total Lines	111
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	3

Test Coverage

Coverage

100%

Importance

Changes

0

6 Methods

Rating	Name	Duplication	Size	Complexity
A	now()	0	8	1
A	checkForDateTimeZone()	0	9	2
A	of()	0	20	1
A	fromTimestamp()	0	9	1
A	fromDateTime()	0	4	1
A	fromConverter()	0	7	1

<?php

namespace Andegna;

use Andegna\Converter\Converter;
use Andegna\Converter\ToJdnConverter;
use DateTime as GregorianDateTime;
use DateTimeZone;

/**
 * Class DateTimeFactory.
 *
 * A factory to create @see \Andegna\DateTime
 */
class DateTimeFactory
{
    /**
     * Create a @see \Andegna\DateTime representing now.
     *
     * @param DateTimeZone|null $dateTimeZone the timezone
     *
     * @return DateTime the datetime u wanted
     */
    public static function now(DateTimeZone $dateTimeZone = null)
    {
        $dateTimeZone = self::checkForDateTimeZone($dateTimeZone);

        return new DateTime(
            new GregorianDateTime('now', $dateTimeZone)
        );
    }

    /**
     * @param DateTimeZone|null $dateTimeZone the timezone
     *
     * @return DateTimeZone a valid timezone
     */
    protected static function checkForDateTimeZone(DateTimeZone $dateTimeZone = null)
    {
        if (is_null($dateTimeZone)) {
            // get the default timezone from z system
            return new DateTimeZone(date_default_timezone_get());
        }

        return $dateTimeZone;
    }

    /**
     * Create a @see \Andegna\DateTime of year month day ...
     *
     * @param int               $year         ethiopian year
     * @param int               $month        ethiopian month
     * @param int               $day          ethiopian day
     * @param int               $hour         hour
     * @param int               $minute       minute
     * @param int               $second       second
     * @param DateTimeZone|null $dateTimeZone the timezone
     *
     * @return DateTime the datetime u wanted
     */
    public static function of($year, $month, $day,
        $hour = 0, $minute = 0, $second = 0,
        DateTimeZone $dateTimeZone = null
    ) {

        // Convert to JDN
        $jdn = (new ToJdnConverter($day, $month, $year))->getJdn();

        // The gregorian date in "month/day/year" format
        $gregorian = jdtogregorian($jdn);

        $dateTimeZone = self::checkForDateTimeZone($dateTimeZone);

        $base = new GregorianDateTime(
            "$gregorian $hour:$minute:$second",
            $dateTimeZone
        );

        return new DateTime($base);
    }

    /**
     * @param int               $timestamp    timestamp like @see time()
     * @param DateTimeZone|null $dateTimeZone the timezone
     *
     * @return DateTime the datetime u wanted
     */
    public static function fromTimestamp($timestamp, DateTimeZone $dateTimeZone = null)
    {
        $base = new GregorianDateTime(
            date('Y-m-d H:i:s', $timestamp),
            self::checkForDateTimeZone($dateTimeZone)
        );

        return new DateTime($base);
    }

    /**
     * Just for convenience.
     *
     * @param GregorianDateTime $gregorian
     *
     * @return DateTime the datetime u wanted
     */
    public static function fromDateTime(GregorianDateTime $gregorian)
    {
        return new DateTime($gregorian);
    }

    /**
     * Just for convenience.
     *
     * @param Converter         $con
     * @param DateTimeZone|null $dateTimeZone
     *
     * @return DateTime the datetime u wanted
     */
    public static function fromConverter(Converter $con, DateTimeZone $dateTimeZone = null)
    {
        return static::of(
            $con->getYear(), $con->getMonth(), $con->getDay(),
            0, 0, 0, $dateTimeZone
        );
    }
}