forked from timw4mail/HummingBirdAnimeClient
110 lines
1.8 KiB
PHP
110 lines
1.8 KiB
PHP
<?php
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/**
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* Ion
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*
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* Building blocks for web development
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*
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* @package Ion
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* @author Timothy J. Warren
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* @copyright Copyright (c) 2015 - 2016
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* @license MIT
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*/
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namespace Aviat\Ion\Cache\Driver;
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use Aviat\Ion\Di\ContainerInterface;
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use Aviat\Ion\Json;
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use Aviat\AnimeClient\Model\DB;
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/**
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* Driver for caching via a traditional SQL database
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*/
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class SQLDriver extends DB implements \Aviat\Ion\Cache\CacheDriverInterface {
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/**
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* The query builder object
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* @var object $db
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*/
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protected $db;
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/**
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* Create the driver object
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*/
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public function __construct(ContainerInterface $container)
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{
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parent::__construct($container);
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try
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{
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$this->db = \Query($this->db_config['collection']);
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}
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catch (\PDOException $e)
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{
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$this->valid_database = FALSE;
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return FALSE;
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}
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}
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/**
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* Retreive a value from the cache backend
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*
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* @param string $key
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* @return mixed
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*/
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public function get($key)
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{
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$query = $this->db->select('value')
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->from('cache')
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->where('key', $key)
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->get();
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$row = $query->fetch(\PDO::FETCH_ASSOC);
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if ( ! empty($row))
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{
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return unserialize($row['value']);
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}
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return NULL;
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}
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/**
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* Set a cached value
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*
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* @param string $key
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* @param mixed $value
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* @return CacheDriverInterface
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*/
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public function set($key, $value)
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{
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$this->db->set([
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'key' => $key,
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'value' => serialize($value),
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]);
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/*if ( ! empty($this->get($key)))
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{
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$this->db->update('cache');
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}
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else*/
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{
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$this->db->insert('cache');
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}
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return $this;
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}
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/**
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* Invalidate a cached value
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*
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* @param string $key
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* @return CacheDriverInterface
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*/
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public function invalidate($key)
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{
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$this->db->where('key', $key)
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->delete('cache');
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return $this;
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}
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}
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// End of SQLDriver.php
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