|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
declare(strict_types=1); |
|
4
|
|
|
|
|
5
|
|
|
namespace Assimtech\Fiat; |
|
6
|
|
|
|
|
7
|
|
|
use InvalidArgumentException; |
|
8
|
|
|
|
|
9
|
|
|
class Accountant |
|
10
|
|
|
{ |
|
11
|
|
|
/** |
|
12
|
|
|
* @throws InvalidArgumentException |
|
13
|
|
|
*/ |
|
14
|
4 |
|
protected function checkCurrenciesMatch( |
|
15
|
|
|
Money $money1, |
|
16
|
|
|
Money $money2 |
|
17
|
|
|
): void { |
|
18
|
4 |
|
if ($money1->getCurrency()->getCode() !== $money2->getCurrency()->getCode()) { |
|
19
|
1 |
|
throw new InvalidArgumentException(sprintf( |
|
20
|
1 |
|
'Cannot work with monies of differing currencies (%s, %s)', |
|
21
|
1 |
|
$money1, |
|
22
|
1 |
|
$money2 |
|
23
|
|
|
)); |
|
24
|
|
|
} |
|
25
|
3 |
|
} |
|
26
|
|
|
|
|
27
|
|
|
/** |
|
28
|
|
|
* $money1 + $money2 |
|
29
|
|
|
*/ |
|
30
|
3 |
|
public function add( |
|
31
|
|
|
Money $money1, |
|
32
|
|
|
Money $money2 |
|
33
|
|
|
): Money { |
|
34
|
3 |
|
$this->checkCurrenciesMatch($money1, $money2); |
|
35
|
|
|
|
|
36
|
2 |
|
return new Money( |
|
37
|
2 |
|
$money1->getAmount() + $money2->getAmount(), |
|
38
|
2 |
|
$money1->getCurrency() |
|
39
|
|
|
); |
|
40
|
|
|
} |
|
41
|
|
|
|
|
42
|
|
|
/** |
|
43
|
|
|
* $money1 - $money2 |
|
44
|
|
|
*/ |
|
45
|
1 |
|
public function subtract( |
|
46
|
|
|
Money $money1, |
|
47
|
|
|
Money $money2 |
|
48
|
|
|
): Money { |
|
49
|
1 |
|
$this->checkCurrenciesMatch($money1, $money2); |
|
50
|
|
|
|
|
51
|
1 |
|
return new Money( |
|
52
|
1 |
|
$money1->getAmount() - $money2->getAmount(), |
|
53
|
1 |
|
$money1->getCurrency() |
|
54
|
|
|
); |
|
55
|
|
|
} |
|
56
|
|
|
|
|
57
|
|
|
/** |
|
58
|
|
|
* $money * $fraction |
|
59
|
|
|
* |
|
60
|
|
|
* @param float|integer $fraction |
|
61
|
|
|
*/ |
|
62
|
1 |
|
public function multiply( |
|
63
|
|
|
Money $money, |
|
64
|
|
|
$fraction |
|
65
|
|
|
): Money { |
|
66
|
1 |
|
return new Money( |
|
67
|
1 |
|
$money->getAmount() * $fraction, |
|
68
|
1 |
|
$money->getCurrency() |
|
69
|
|
|
); |
|
70
|
|
|
} |
|
71
|
|
|
|
|
72
|
|
|
/** |
|
73
|
|
|
* $money / $fraction |
|
74
|
|
|
* |
|
75
|
|
|
* @param float|integer $fraction |
|
76
|
|
|
*/ |
|
77
|
1 |
|
public function divide( |
|
78
|
|
|
Money $money, |
|
79
|
|
|
$fraction |
|
80
|
|
|
): Money { |
|
81
|
1 |
|
return new Money( |
|
82
|
1 |
|
$money->getAmount() / $fraction, |
|
83
|
1 |
|
$money->getCurrency() |
|
84
|
|
|
); |
|
85
|
|
|
} |
|
86
|
|
|
|
|
87
|
|
|
/** |
|
88
|
|
|
* @param array<Money> $monies |
|
89
|
|
|
*/ |
|
90
|
2 |
|
public function sum( |
|
91
|
|
|
array $monies |
|
92
|
|
|
): ?Money { |
|
93
|
2 |
|
$totalMoney = null; |
|
94
|
|
|
|
|
95
|
2 |
|
foreach ($monies as $money) { |
|
96
|
2 |
|
if (!$money instanceof Money) { |
|
97
|
1 |
|
throw new InvalidArgumentException('$monies must be an array of Money'); |
|
98
|
|
|
} |
|
99
|
|
|
|
|
100
|
1 |
|
if ($totalMoney === null) { |
|
101
|
1 |
|
$totalMoney = clone $money; |
|
102
|
|
|
|
|
103
|
1 |
|
continue; |
|
104
|
|
|
} |
|
105
|
|
|
|
|
106
|
1 |
|
$totalMoney = $this->add($totalMoney, $money); |
|
107
|
|
|
} |
|
108
|
|
|
|
|
109
|
1 |
|
return $totalMoney; |
|
110
|
|
|
} |
|
111
|
|
|
} |
|
112
|
|
|
|
assimtech /
fiat
