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<?php |
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namespace Fomvasss\Currency; |
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use Illuminate\Support\Arr; |
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class Currency |
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{ |
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protected $config; |
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protected $symbol = null; |
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protected $userCurrency; |
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/** |
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* Currency constructor. |
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*/ |
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public function __construct(array $config = null) |
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{ |
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if (!$config) { |
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$config = config('currency', []); |
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} |
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$this->config = $config; |
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} |
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/** |
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* @param $value |
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* @param null $code |
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* @param null $symbol |
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* @return string |
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*/ |
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public function format($value, $code = null, $symbol = null) |
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{ |
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$code = $this->prepareCode($code); |
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$precision = $this->config("currencies.$code.precision", 0); |
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$decimalSeparator = $this->config("currencies.$code.decimalSeparator", ""); |
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$thousandSeparator = $this->config("currencies.$code.thousandSeparator", ""); |
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$symbol = $symbol ?? $this->config("currencies.$code.symbol", ""); |
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$value = $this->prepareValue($value, $code); |
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$result = number_format($value, $precision, $decimalSeparator, $thousandSeparator); |
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if ($symbol) { |
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return $this->config("currencies.$code.symbolPlacement") == 'after' ? $result.$symbol : $symbol.$result; |
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} |
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return $result; |
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} |
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/** |
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* @param $amount |
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* @param null $from |
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* @param null $to |
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* @param bool $format |
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* @return float|int|string|null |
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*/ |
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public function convert($amount, $from = null, $to = null, $format = true) |
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{ |
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// Get currencies involved |
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$from = $from ?: $this->config('default'); |
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$to = $to ?: $this->getUserCurrency(); |
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// Get exchange rates |
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$fromRate = $this->getCurrencyProp($from, 'exchangeRate'); |
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$toRate = $this->getCurrencyProp($to, 'exchangeRate'); |
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// Skip invalid to currency rates |
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if ($toRate === null) { |
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return null; |
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} |
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// Convert amount |
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if ($from === $to) { |
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$value = $amount; |
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} else { |
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$value = ($amount * $toRate) / $fromRate; |
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} |
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// Should the result be formatted? |
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if ($format === true) { |
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return $this->format($value, $to); |
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} |
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// Return value |
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return $this->prepareValue($value, $to); |
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} |
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protected function prepareValue($value, $code) |
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{ |
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if ($this->config("divide_result") && ($coin = $this->config("currencies.$code.coin", 0))) { |
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$value = $value / $coin; |
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} |
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return $value; |
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} |
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/** |
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* Get the given property value from provided currency. |
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* |
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* @param string $code |
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* @param string $key |
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* @param mixed $default |
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* |
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* @return array |
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*/ |
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protected function getCurrencyProp($code, $key, $default = null) |
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{ |
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return Arr::get($this->getCurrency($code), $key, $default); |
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} |
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/** |
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* Return all currencies. |
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* |
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* @return array |
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*/ |
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public function getCurrencies() |
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{ |
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return $this->config('currencies', []); |
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} |
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/** |
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* |
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* Determine if the provided currency is valid. |
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* |
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* @param $code |
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* @return bool |
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*/ |
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public function issetCurrency($code) |
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{ |
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return array_key_exists(strtoupper($code), $this->getCurrencies()); |
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} |
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/** |
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* |
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* Determine if the provided currency is active. |
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* |
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* @param $code |
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* @return bool |
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*/ |
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public function isActive($code) |
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{ |
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return $code && (bool) Arr::get($this->getCurrency($code), 'active', false); |
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} |
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/** |
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* Return the current currency. |
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* |
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* @param null $code |
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* @return mixed |
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*/ |
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public function getCurrency($code = null) |
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{ |
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$code = $code ?: $this->getUserCurrency(); |
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return Arr::get($this->getCurrencies(), strtoupper($code)); |
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} |
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public function setUserCurrency($code) |
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{ |
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$this->userCurrency = strtoupper($code); |
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return $this; |
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} |
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/** |
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* @return array|\Illuminate\Config\Repository|mixed |
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*/ |
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public function getUserCurrency() |
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{ |
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return $this->userCurrency ?? $this->config('default'); |
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} |
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/** |
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* Return all active currencies. |
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* |
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* @return array |
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*/ |
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public function getActiveCurrencies() |
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{ |
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return array_filter($this->getCurrencies(), function($currency) { |
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return $currency['active'] == true; |
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}); |
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} |
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/** |
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* Return currencies config. |
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* |
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* @param null $key |
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* @param null $default |
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* @return array|\Illuminate\Config\Repository|mixed |
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*/ |
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protected function config($key = null, $default = null) |
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{ |
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if ($key === null) { |
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return $this->config; |
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} |
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return Arr::get($this->config, $key, $default); |
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} |
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/** |
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* @param null $code |
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* @return null|string |
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*/ |
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protected function prepareCode($code = null) |
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{ |
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if (! $code) { |
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$code = $this->config("default", 'USD'); |
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} |
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if (array_key_exists($code, $this->getCurrencies())) { |
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return $code; |
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} |
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return 'USD'; |
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} |
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} |