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| 1 | <?php |
| 2 | |
| 3 | namespace Apie\Core\ValueObjects; |
| 4 | |
| 5 | use Apie\Core\ValueObjects\Exceptions\InvalidStringForValueObjectException; |
| 6 | use Apie\Core\ValueObjects\Interfaces\HasRegexValueObjectInterface; |
| 7 | use Apie\Core\ValueObjects\Interfaces\ValueObjectInterface; |
| 8 | |
| 9 | abstract class Decimal implements ValueObjectInterface, HasRegexValueObjectInterface |
| 10 | { |
| 11 | final protected function __construct( |
| 12 | private int $integerPart, |
| 13 | private string $decimalPart, |
| 14 | ) { |
| 15 | } |
| 16 | |
| 17 | final public function __toString(): string |
| 18 | { |
| 19 | return $this->integerPart . '.' . $this->decimalPart; |
| 20 | } |
| 21 | |
| 22 | abstract public static function getNumberOfDecimals(): int; |
| 23 | |
| 24 | final public static function getRegularExpression(): string |
| 25 | { |
| 26 | return '/^-?([0-9]|[1-9][0-9]*)\.[0-9]{' .static::getNumberOfDecimals() . '}$/'; |
| 27 | } |
| 28 | |
| 29 | final public static function fromNative(mixed $input): static |
| 30 | { |
| 31 | $decimals = static::getNumberOfDecimals(); |
| 32 | if (is_int($input) || is_float($input)) { |
| 33 | $formatted = number_format($input, $decimals, '.', ''); |
| 34 | [$int, $dec] = explode('.', $formatted); |
| 35 | return new static((int)$int, $dec); |
| 36 | } |
| 37 | $string = trim(Utils::toString($input)); |
| 38 | // we do not use getRegularExpression here, because we are more lenient on fromNative. |
| 39 | if (preg_match( |
| 40 | '/^(?<int>-?([0-9]|[1-9][0-9]*))\.(?<part>[0-9]{0,' . $decimals . '})[0-9]*$/', |
| 41 | $string, |
| 42 | $matches |
| 43 | )) { |
| 44 | return new static((int)$matches['int'], str_pad($matches['part'], $decimals, '0', STR_PAD_RIGHT)); |
| 45 | } |
| 46 | |
| 47 | throw new InvalidStringForValueObjectException($input, new \ReflectionClass(static::class)); |
| 48 | } |
| 49 | |
| 50 | final public function toNative(): string |
| 51 | { |
| 52 | return $this->__toString(); |
| 53 | } |
| 54 | |
| 55 | final public function jsonSerialize(): string |
| 56 | { |
| 57 | return $this->__toString(); |
| 58 | } |
| 59 | |
| 60 | final public function add(int|float|self ...$values): static |
| 61 | { |
| 62 | $sum = (float)$this->__toString(); |
| 63 | foreach ($values as $value) { |
| 64 | $sum += (float) ($value instanceof self ? $value->__toString() : $value); |
| 65 | } |
| 66 | return static::fromNative($sum); |
| 67 | } |
| 68 | |
| 69 | final public function subtract(int|float|self ...$values): static |
| 70 | { |
| 71 | $result = (float)$this->__toString(); |
| 72 | foreach ($values as $value) { |
| 73 | $result -= (float) ($value instanceof self ? $value->__toString() : $value); |
| 74 | } |
| 75 | return static::fromNative($result); |
| 76 | } |
| 77 | |
| 78 | final public function multiply(int|float|self ...$values): static |
| 79 | { |
| 80 | $result = (float)$this->__toString(); |
| 81 | foreach ($values as $value) { |
| 82 | $result *= (float) ($value instanceof self ? $value->__toString() : $value); |
| 83 | } |
| 84 | return static::fromNative($result); |
| 85 | } |
| 86 | |
| 87 | final public function divide(int|float|self ...$values): static |
| 88 | { |
| 89 | $result = (float)$this->__toString(); |
| 90 | foreach ($values as $value) { |
| 91 | $divisor = (float) ($value instanceof self ? $value->__toString() : $value); |
| 92 | if ($divisor == 0.0) { |
| 93 | throw new \DivisionByZeroError("Division by zero"); |
| 94 | } |
| 95 | $result /= $divisor; |
| 96 | } |
| 97 | return static::fromNative($result); |
| 98 | } |
| 99 | } |