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<?php |
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/** |
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* (c) itmedia.by <[email protected]> |
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*/ |
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namespace Submarine\NbrbExchangeRatesBundle\Provider; |
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use Doctrine\Common\Cache\Cache; |
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class CachedExchangeRateProvider implements ExchangeRatesProviderInterface |
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{ |
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/** |
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* @var ExchangeRatesProviderInterface |
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*/ |
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private $provider; |
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/** |
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* @var Cache |
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*/ |
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private $cache; |
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/** |
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* @var int |
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*/ |
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private $lifetime; |
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/** |
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* CachedExchangeRateProvider constructor. |
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* @param ExchangeRatesProviderInterface $provider |
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* @param Cache $cache |
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* @param int $lifetime |
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*/ |
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public function __construct(ExchangeRatesProviderInterface $provider, Cache $cache, $lifetime = 10800) |
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{ |
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$this->provider = $provider; |
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$this->cache = $cache; |
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$this->lifetime = $lifetime; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getAllRatesExchanges(\DateTime $date = null) |
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{ |
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$cacheKey = 'submarine_nbrb_' . $date->format('dmy'); |
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$result = $this->cache->fetch($cacheKey); |
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if ($result) { |
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return $result; |
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} |
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$result = $this->provider->getAllRatesExchanges($date); |
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$this->cache->save($cacheKey, $result, $this->lifetime); |
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return $result; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getRatesExchanges(array $codes, \DateTime $date = null) |
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{ |
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return $this->provider->getRatesExchanges($codes, $date); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getRateExchange($code, \DateTime $date = null) |
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{ |
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return $this->provider->getRateExchange($code, $date); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getRatesExchangesDynamic($code, \DateTime $firstDate, \DateTime $lastDate) |
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{ |
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$cacheKey = 'submarine_nbrb_dyn_' . $firstDate->format('dmy') . $lastDate->format('dmy'); |
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$result = $this->cache->fetch($cacheKey); |
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if ($result) { |
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return $result; |
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} |
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$result = $this->provider->getRatesExchangesDynamic($code, $firstDate, $lastDate); |
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$this->cache->save($cacheKey, $result, $this->lifetime); |
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return $result; |
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} |
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} |
by25 /
NbrbExchangeRatesBundle
If a variable is not always an object, we recommend to add an additional type check to ensure your method call is safe: