MongoWallet::balance() - Code Metrics - damax-solutions/php-chargeable-api - Measure and Improve Code Quality continuously with Scrutinizer

MongoWallet::balance() A
last analyzed 2019-02-17 14:48 UTC

↳ Parent: MongoWallet

Complexity

Conditions	2
Paths	2

Size

Total Lines	10
Code Lines	4

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
eloc	4
nc	2
nop	0
dl	0
loc	10
c	0
b	0
f	0
cc	2
rs	10

<?php

declare(strict_types=1);

namespace Damax\ChargeableApi\Wallet;

use Damax\ChargeableApi\Credit;
use MongoDB\Collection;
use MongoDB\Model\BSONDocument;

final class MongoWallet implements Wallet
{
    private const FIELD_BALANCE = 'balance';

    private $collection;
    private $filters;

    public function __construct(Collection $collection, string $identity)
    {
        $this->collection = $collection;
        $this->filters = ['_id' => $identity];
    }

    public function balance(): Credit
    {
        $options = ['projection' => [self::FIELD_BALANCE => 1]];

        /** @var BSONDocument $doc */
        if (null === $doc = $this->collection->findOne($this->filters, $options)) {
            return Credit::blank();
        }

        return Credit::fromInteger($doc[self::FIELD_BALANCE]);
    }

    public function deposit(Credit $credit): void
    {
        $this->collection->updateOne($this->filters, ['$inc' => [self::FIELD_BALANCE => $credit->toInteger()]], ['upsert' => true]);
    }

    public function withdraw(Credit $credit): void
    {
        $balance = $this->balance()->subtract($credit)->toInteger();

        $this->collection->replaceOne($this->filters, [self::FIELD_BALANCE => $balance], ['upsert' => true]);
    }
}


1			<?php
2
3			declare(strict_types=1);
4
5			namespace Damax\ChargeableApi\Wallet;
6
7			use Damax\ChargeableApi\Credit;
8			use MongoDB\Collection;
9			use MongoDB\Model\BSONDocument;
10
11			final class MongoWallet implements Wallet
12			{
13			private const FIELD_BALANCE = 'balance';
14
15			private $collection;
16			private $filters;
17
18			public function __construct(Collection $collection, string $identity)
19			{
20			$this->collection = $collection;
21			$this->filters = ['_id' => $identity];
22			}
23
24			public function balance(): Credit
25			{
26			$options = ['projection' => [self::FIELD_BALANCE => 1]];
27
28			/** @var BSONDocument $doc */
29			if (null === $doc = $this->collection->findOne($this->filters, $options)) {
30			return Credit::blank();
31			}
32
33			return Credit::fromInteger($doc[self::FIELD_BALANCE]);
34			}
35
36			public function deposit(Credit $credit): void
37			{
38			$this->collection->updateOne($this->filters, ['$inc' => [self::FIELD_BALANCE => $credit->toInteger()]], ['upsert' => true]);
39			}
40
41			public function withdraw(Credit $credit): void
42			{
43			$balance = $this->balance()->subtract($credit)->toInteger();
44
45			$this->collection->replaceOne($this->filters, [self::FIELD_BALANCE => $balance], ['upsert' => true]);
46			}
47			}
48

damax-solutions / php-chargeable-api

MongoWallet::balance() A last analyzed 2019-02-17 14:48 UTC

Complexity

Size

Duplication

Importance

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MongoWallet::balance() A
last analyzed 2019-02-17 14:48 UTC