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<?php |
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declare(strict_types=1); |
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namespace Adsmurai\Currency; |
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use Adsmurai\Currency\Contracts\Currency as CurrencyContract; |
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use Adsmurai\Currency\Contracts\CurrencyFactory as CurrencyFactoryContract; |
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use Adsmurai\Currency\Errors\InvalidCurrenciesDataError; |
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use Adsmurai\Currency\Errors\UnsupportedCurrencyISOCodeError; |
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final class CurrencyFactory implements CurrencyFactoryContract |
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{ |
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const DEFAULT_DATA_PATH = __DIR__.'/Data/CurrencyTypes.php'; |
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/** @var array */ |
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private $data; |
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/** @var Currency[] */ |
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private $currencies; |
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private function __construct(array $data) |
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{ |
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$this->data = $data; |
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$this->currencies = []; |
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} |
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public static function fromDataPath(string $dataPath = self::DEFAULT_DATA_PATH): CurrencyFactory |
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{ |
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/** @var array $data */ |
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$data = include $dataPath; |
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return self::fromDataArray($data); |
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} |
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public static function fromDataArray(array $data): CurrencyFactory |
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{ |
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self::validateCurrenciesData($data); |
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return new self($data); |
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} |
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/** |
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* @param array $currenciesData |
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* |
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* @throws InvalidCurrenciesDataError |
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*/ |
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private static function validateCurrenciesData(array $currenciesData) |
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{ |
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if (empty($currenciesData)) { |
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throw new InvalidCurrenciesDataError(); |
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} |
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foreach ($currenciesData as $ISOCode => $currencyData) { |
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if ( |
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!self::hasValidISOCode($ISOCode) |
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|| !self::hasValidSymbol($currencyData) |
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|| !self::hasValidSymbolPlacement($currencyData) |
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|| !self::hasValidNumFractionalDigits($currencyData) |
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) { |
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throw new InvalidCurrenciesDataError(); |
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} |
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} |
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} |
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private static function hasValidISOCode($ISOCode): bool |
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{ |
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return \is_string($ISOCode) && !empty($ISOCode); |
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} |
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private static function hasValidSymbol(array $currencyData): bool |
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{ |
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return |
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isset($currencyData['symbol']) |
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&& \is_string($currencyData['symbol']) |
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&& !empty($currencyData['symbol']); |
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} |
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private static function hasValidSymbolPlacement(array $currencyData): bool |
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{ |
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return |
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isset($currencyData['symbolPlacement']) |
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&& \is_int($currencyData['symbolPlacement']) |
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&& \in_array( |
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$currencyData['symbolPlacement'], |
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[ |
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CurrencyContract::BEFORE_PLACEMENT, |
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CurrencyContract::AFTER_PLACEMENT, |
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] |
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); |
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} |
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private static function hasValidNumFractionalDigits(array $currencyData): bool |
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{ |
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return isset($currencyData['numFractionalDigits']) && \is_int($currencyData['numFractionalDigits']); |
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} |
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public function buildFromISOCode(string $ISOCode): CurrencyContract |
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{ |
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if (!isset($this->data[$ISOCode])) { |
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throw new UnsupportedCurrencyISOCodeError($ISOCode); |
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} |
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if (!isset($this->currencies[$ISOCode])) { |
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$this->currencies[$ISOCode] = new Currency( |
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$ISOCode, |
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$this->data[$ISOCode]['symbol'], |
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$this->data[$ISOCode]['numFractionalDigits'], |
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$this->data[$ISOCode]['symbolPlacement'], |
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(isset($this->data[$ISOCode]['name']) && !empty($this->data[$ISOCode]['name'])) |
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? $this->data[$ISOCode]['name'] |
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: '' |
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); |
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} |
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return $this->currencies[$ISOCode]; |
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} |
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/** @return string[] */ |
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public function getSupportedCurrencyISOCodes(): array |
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{ |
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return \array_keys($this->data); |
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} |
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} |
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Adsmurai /
Currency
