hiqdev\php\billing\charge\modifiers\Modifier

Complexity

Total Complexity

21

Size/Duplication

Total Lines	104
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	6

Test Coverage

Coverage

83.33%

Importance

Changes

0

15 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	4	1
A	modifyCharge()	0	4	1
A	isSuitable()	0	6	1
A	discount()	0	4	1
A	leasing()	0	4	1
A	reason()	0	4	1
A	since()	0	4	1
A	till()	0	4	1
A	addAddon()	0	10	2
A	getNext()	0	4	1
A	getAddon()	0	4	2
A	getReason()	0	4	1
A	getSince()	0	4	1
A	getTill()	0	4	1
B	checkPeriod()	0	14	5

<?php
/**
 * PHP Billing Library
 *
 * @link      https://github.com/hiqdev/php-billing
 * @package   php-billing
 * @license   BSD-3-Clause
 * @copyright Copyright (c) 2017-2018, HiQDev (http://hiqdev.com/)
 */

namespace hiqdev\php\billing\charge\modifiers;

use DateTimeImmutable;
use hiqdev\php\billing\action\ActionInterface;
use hiqdev\php\billing\charge\ChargeInterface;
use hiqdev\php\billing\charge\ChargeModifier;
use hiqdev\php\billing\charge\modifiers\addons\Reason;
use hiqdev\php\billing\charge\modifiers\addons\Since;
use hiqdev\php\billing\charge\modifiers\addons\Till;

/**
 * Fixed discount.
 *
 * @author Andrii Vasyliev <sol@hiqdev.com>
 */
class Modifier implements ChargeModifier
{
    const REASON = 'reason';
    const SINCE = 'since';
    const TILL = 'till';

    /**
     * @var AddonInterface[]
     */
    protected $addons;

    public function __construct(array $addons = [])
    {
        $this->addons = $addons;
    }

    public function modifyCharge(?ChargeInterface $charge, ActionInterface $action): array
    {
        throw new \Exception('not finished modifier');
    }

    public function isSuitable(?ChargeInterface $charge, ActionInterface $action): bool
    {
        $month = $action->getTime()->modify('first day of this month midnight');

        return $this->checkPeriod($month);
    }

    public function discount()
    {
        return new Discount($this->addons);
    }

    public function leasing()
    {
        return new Leasing($this->addons);
    }

    public function reason($text)
    {
        return $this->addAddon(self::REASON, new Reason($text));
    }

    public function since($time)
    {
        return $this->addAddon(self::SINCE, new Since($time));
    }

    public function till($time)
    {
        return $this->addAddon(self::TILL, new Till($time));
    }

    public function addAddon($name, $addon)
    {
        if (isset($this->addons[$name])) {
            throw new \Exception("'$name' is already set");
        }
        $res = $this->getNext();
        $res->addons[$name] = $addon;

        return $res;
    }

    public function getNext()
    {
        return new static($this->addons);
    }

    public function getAddon($name)
    {
        return empty($this->addons[$name]) ? null : $this->addons[$name];
    }

    public function getReason()
    {
        return $this->getAddon(self::REASON);
    }

    public function getSince()
    {
        return $this->getAddon(self::SINCE);
    }

    public function getTill()
    {
        return $this->getAddon(self::TILL);
    }

    public function checkPeriod(DateTimeImmutable $time)
    {
        $since = $this->getSince();
        if ($since && $since->getValue() > $time) {
            return false;
        }

        $till = $this->getTill();
        if ($till && $till->getValue() <= $time) {
            return false;
        }

        return true;
    }
}