Recurrence\Constraint\DatetimeConstraint\ExcludeDaysOfWeekConstraint

Complexity

Total Complexity

8

Size/Duplication

Total Lines	44
Duplicated Lines	0 %

Test Coverage

Coverage

100%

Importance

Changes	1
Bugs	0	Features	0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	apply()	0	7	2
A	__construct()	0	18	6

<?php

namespace Recurrence\Constraint\DatetimeConstraint;

use Recurrence\Constraint\RecurrenceConstraintInterface;
use Recurrence\Model\Recurrence;

/**
 * Class ExcludeDaysOfWeekConstraint
 * @package Recurrence\Constraint
 */
class ExcludeDaysOfWeekConstraint implements DatetimeConstraintInterface, RecurrenceConstraintInterface
{

    /**
     * @var array
     */
    private $excludedDays = [];

    /**
     * @param array $excludedDays
     */
    public function __construct(array $excludedDays = [])
    {
        $excludedDays = array_unique($excludedDays);

        sort($excludedDays);

        if (count($excludedDays) >= 7) {
            throw new \InvalidArgumentException('At least one day of the week must be allowed');
        }

        foreach ($excludedDays as $excludedDay) {
            $excludedDay = filter_var($excludedDay, FILTER_VALIDATE_INT);

            if (!$excludedDay || $excludedDay < 1 || $excludedDay > 7) {
                throw new \InvalidArgumentException('Exclude day must be an integer between 1 and 7');
            }

            $this->excludedDays[] = $excludedDay;
        }
    }

    /**
     * @param Recurrence $recurrence
     * @param \Datetime $datetime
     * @return \Datetime
     */
    public function apply(Recurrence $recurrence, \Datetime $datetime)
    {
        while (in_array((int) $datetime->format('N'), $this->excludedDays)) {
            $datetime->modify('+1 day');
        }

        return $datetime;
    }
}