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<?php |
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namespace Nip\Database\Metadata; |
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use Nip\Cache\Manager as CacheManager; |
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use Nip\Database\Connections\Connection; |
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use Nip\Database\Connections\HasConnectionTrait; |
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/** |
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* Class Cache |
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* @package Nip\Database\Metadata |
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*/ |
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class Cache extends CacheManager |
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{ |
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protected $metadata; |
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public function __construct() |
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{ |
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$this->setTtl(10 * 24 * 60 * 60); |
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$this->setActive(true); |
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} |
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/** |
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* @param $table |
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* @return mixed |
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*/ |
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public function describeTable($table) |
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{ |
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$cacheId = $this->getCacheId($table); |
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return $this->get($cacheId); |
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} |
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/** |
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* @param $table |
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* @return string |
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*/ |
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public function getCacheId($table) |
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{ |
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return $this->getConnection()->getDatabase() . '.' . $table; |
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} |
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/** |
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* @return Connection |
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*/ |
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public function getConnection() |
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{ |
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return $this->getMetadata()->getConnection(); |
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} |
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/** |
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* @return Manager |
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*/ |
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public function getMetadata() |
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{ |
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return $this->metadata; |
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} |
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/** |
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* @param $metadata |
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* @return $this |
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*/ |
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public function setMetadata($metadata) |
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{ |
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$this->metadata = $metadata; |
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return $this; |
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} |
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/** |
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* @param $cacheId |
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* @return mixed |
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*/ |
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public function get($cacheId) |
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{ |
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if (!$this->valid($cacheId)) { |
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$this->reload($cacheId); |
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} |
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return $this->getData($cacheId); |
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} |
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/** |
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* @param $cacheId |
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* @return mixed |
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*/ |
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public function reload($cacheId) |
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{ |
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$data = $this->generate($cacheId); |
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if (is_array($data) && isset($data['fields'])) { |
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return $this->saveData($cacheId, $data); |
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} |
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return false; |
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} |
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/** |
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* @param $cacheId |
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* @return mixed |
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*/ |
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public function generate($cacheId) |
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{ |
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$data = $this->getConnection()->describeTable($cacheId); |
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$this->data[$cacheId] = $data; |
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return $data; |
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} |
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/** |
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* @return string |
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*/ |
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public function cachePath() |
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{ |
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return parent::cachePath() . '/db-metadata/'; |
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} |
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} |
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bytic /
database
