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<?php |
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namespace GNAHotelSolutions\CurrencyConverter; |
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use GNAHotelSolutions\CurrencyConverter\Contracts\CurrenciesRepositoryContract; |
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class Converter |
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{ |
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/** @var Price */ |
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private $price; |
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/** @var Currency */ |
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private $currency; |
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/** @var CurrenciesRepositoryContract */ |
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private $currencies; |
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/** @var Currency */ |
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private $base; |
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public function __construct(Currency $baseCurrency, CurrenciesRepositoryContract $currencies) |
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{ |
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$this->base = $baseCurrency; |
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$this->currencies = $currencies; |
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} |
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public function price(): Price |
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{ |
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return $this->price; |
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} |
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public function currency(): ?Currency |
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{ |
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return $this->currency; |
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} |
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public function base(): Currency |
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{ |
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return $this->base; |
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} |
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/** |
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* Set the original price to be converted. |
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* |
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* @param Price $price |
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* @return $this |
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*/ |
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public function from(Price $price): self |
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{ |
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$this->price = $price; |
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return $this; |
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} |
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/** |
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* Set the currency that will be used for the convertion. |
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* |
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* @param string|Currency $currency |
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* @return $this |
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*/ |
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public function to($currency): self |
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{ |
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$this->currency = $currency instanceof Currency |
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? $currency |
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: $this->currencies->get(strtoupper($currency)); |
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return $this; |
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} |
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/** |
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* Convert the price to the currency. It will convert to the base currency first if needed. |
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* |
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* @return Price |
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*/ |
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public function convert(): Price |
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{ |
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if ($this->currency()->is($this->price->currency())) { |
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return $this->price; |
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} |
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if ($this->base()->is($this->price->currency(), $this->currency()->name())) { |
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$this->price = (new self($this->base(), $this->currencies))->from($this->price)->convertToBase(); |
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} |
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return new Price($this->convertAmount($this->currency()), $this->currency()->name()); |
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} |
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/** |
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* Convert the amount performing different operations depending on the currency we want. |
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* |
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* @param $convertRatio |
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* @return float|int |
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*/ |
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public function convertAmount(Currency $currency) |
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{ |
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$ratio = $this->currency() && $this->currency()->is($this->base()->name()) |
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? $this->base()->ratio() / $currency->ratio() |
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: $currency->ratio(); |
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return round($this->price()->amount() * $ratio, $currency->decimals()); |
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} |
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/** |
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* Convert the current price to EUR. |
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* |
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* @return Price |
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*/ |
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public function convertToBase() |
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{ |
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$this->currency = $this->base(); |
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$amount = $this->convertAmount($this->currencies->get($this->price->currency())); |
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return new Price($amount, $this->base()->name()); |
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} |
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} |
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gnahotelsolutions /
currency-converter
