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<?php |
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namespace Orkhanahmadov\LaravelCurrencylayer; |
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use Carbon\Carbon; |
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use Illuminate\Support\Arr; |
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use OceanApplications\currencylayer\client; |
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use Orkhanahmadov\LaravelCurrencylayer\Models\Currency; |
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class Currencylayer |
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{ |
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/** |
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* @var client |
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*/ |
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private $client; |
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/** |
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* Currencylayer constructor. |
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* |
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* @param client $client |
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*/ |
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public function __construct(client $client) |
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{ |
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$this->client = $client; |
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} |
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/** |
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* @param Currency|string $source |
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* @param array<string>|string ...$currencies |
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* |
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* @return array<float>|float |
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*/ |
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public function live($source, ...$currencies) |
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{ |
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$currencies = Arr::flatten($currencies); |
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if (! $source instanceof Currency) { |
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$source = Currency::firstOrCreate(['code' => $source]); |
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} |
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$apiResponse = $this->apiRates($source, $currencies); |
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$rates = $this->createRates($source, $apiResponse['quotes'], $apiResponse['timestamp']); |
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return count($currencies) === 1 ? array_values($rates)[0] : $rates; |
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} |
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/** |
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* @param Currency|string $source |
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* @param Carbon|string $date |
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* @param array<string>|string ...$currencies |
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* |
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* @return array<float>|float |
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*/ |
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public function rate($source, $date, ...$currencies) |
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{ |
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$currencies = Arr::flatten($currencies); |
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if (! $source instanceof Currency) { |
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$source = Currency::firstOrCreate(['code' => $source]); |
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} |
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if (! $date instanceof Carbon) { |
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$date = Carbon::parse($date); |
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} |
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$apiResponse = $this->apiRates($source, $currencies, $date); |
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$rates = $this->createRates($source, $apiResponse['quotes'], $apiResponse['timestamp']); |
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return count($currencies) === 1 ? array_values($rates)[0] : $rates; |
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} |
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/** |
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* @param Currency $source |
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* @param array<float> $quotes |
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* @param int $timestamp |
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* |
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* @return array<float> |
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*/ |
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private function createRates(Currency $source, array $quotes, int $timestamp): array |
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{ |
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$rates = []; |
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foreach ($quotes as $code => $rate) { |
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$target = Currency::firstOrCreate(['code' => $targetCurrencyCode = substr($code, -3)]); |
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$currencyRate = $this->assignCurrencyRate($source, $target, $rate, $timestamp); |
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$rates[$targetCurrencyCode] = $currencyRate->rate; |
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} |
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return $rates; |
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} |
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/** |
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* @param Currency $source |
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* @param Currency $target |
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* @param float $rate |
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* @param int $timestamp |
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* |
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* @return \Illuminate\Database\Eloquent\Model|\Illuminate\Database\Eloquent\Relations\HasMany |
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*/ |
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private function assignCurrencyRate(Currency $source, Currency $target, float $rate, int $timestamp) |
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{ |
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$currencyRate = $source->rates()->where([ |
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'target_currency_id' => $target->id, |
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'timestamp' => Carbon::parse($timestamp), |
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])->first(); |
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if (! $currencyRate) { |
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$currencyRate = $source->rates()->create([ |
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'target_currency_id' => $target->id, |
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'rate' => $rate, |
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'timestamp' => $timestamp, |
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]); |
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} |
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return $currencyRate; |
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} |
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/** |
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* @param Currency $source |
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* @param array<string> $currencies |
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* @param Carbon|null $date |
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* |
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* @return array<mixed> |
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*/ |
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private function apiRates(Currency $source, array $currencies, ?Carbon $date = null): array |
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{ |
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$client = $this->client->source($source->code)->currencies(implode(',', $currencies)); |
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return $date ? $client->date($date->format('Y-m-d'))->historical() : $client->live(); |
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} |
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} |
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orkhanahmadov /
laravel-currencylayer
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