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<?php |
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namespace Ultraleet\CurrencyRates; |
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use Ultraleet\CurrencyRates\Contracts\Provider as ProviderContract; |
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use Ultraleet\CurrencyRates\Contracts\Result as ResultContract; |
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use Ultraleet\CurrencyRates\Exceptions\UnexpectedValueException; |
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use DateTime; |
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abstract class AbstractProvider implements ProviderContract |
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{ |
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protected $config = []; |
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protected $base = 'EUR'; |
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protected $targets = []; |
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protected $date = null; |
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protected $amount = 1; |
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/** |
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* Set the configuration array for this provider. |
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* |
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* @param array $config |
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* @return self |
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*/ |
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public function configure($config) |
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{ |
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$this->config = $config; |
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return $this; |
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} |
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/** |
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* Set the base currency. |
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* |
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* @param string $currency |
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* @return self |
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*/ |
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public function base($currency) |
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{ |
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$this->base = $currency; |
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return $this; |
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} |
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/** |
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* Set the target currencies. |
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* |
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* @param array|string $currencies |
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* @return self |
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*/ |
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public function target($currencies) |
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{ |
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if (!is_array($currencies)) { |
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$currencies = [$currencies]; |
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} |
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$this->targets = $currencies; |
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return $this; |
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} |
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/** |
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* Set the date. |
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* |
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* @param mixed $date Can be a string, a DateTime object, or null to unset. |
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* @return self |
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*/ |
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public function date($date = null) |
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{ |
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if (is_string($date)) { |
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$date = new DateTime($date); |
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} |
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$this->date = $date; |
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return $this; |
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} |
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/** |
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* Set the amount of base currency to convert. |
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* |
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* @param float |
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* @return self |
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*/ |
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public function amount($amount) |
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{ |
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$this->amount = $amount; |
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return $this; |
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} |
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/** |
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* Query the API. |
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* |
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* @return \Ultraleet\CurrencyRates\Contracts\Result |
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*/ |
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public function get() |
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{ |
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if ($this->date) { |
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$result = $this->historical($this->date, $this->base, $this->targets); |
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} else { |
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$result = $this->latest($this->base, $this->targets); |
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} |
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// Ensure the result object is valid. |
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if (!$result instanceof ResultContract) { |
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throw new UnexpectedValueException('Invalid result type'); |
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} |
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// Perform conversion if requested. |
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if ($this->amount !== 1) { |
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$converted = $result->rates; |
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foreach ($converted as $key => $value) { |
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$converted[$key] = round($this->amount * $value, 2); |
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} |
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// Attach converted values to results. |
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$result->setConverted($converted); |
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} |
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return $result; |
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} |
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} |
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ultraleettech /
currency-rates
