DeviceDetectorCache.php
82 lines
| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * Matomo - free/libre analytics platform |
| 5 | * |
| 6 | * @link https://matomo.org |
| 7 | * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later |
| 8 | * |
| 9 | */ |
| 10 | namespace Piwik\DeviceDetector; |
| 11 | |
| 12 | use Piwik\Cache as PiwikCache; |
| 13 | /** |
| 14 | * Caching class used for DeviceDetector caching |
| 15 | * |
| 16 | * Combines Piwik\CacheFile with an additional caching in static property |
| 17 | * |
| 18 | * Static caching speeds up multiple detections in one request, which is the case when sending bulk requests |
| 19 | */ |
| 20 | class DeviceDetectorCache implements \DeviceDetector\Cache\CacheInterface |
| 21 | { |
| 22 | protected static $staticCache = array(); |
| 23 | private $cache; |
| 24 | private $ttl; |
| 25 | public function __construct($ttl = 300) |
| 26 | { |
| 27 | $this->ttl = (int) $ttl; |
| 28 | $this->cache = PiwikCache::getLazyCache(); |
| 29 | } |
| 30 | /** |
| 31 | * Function to fetch a cache entry |
| 32 | * |
| 33 | * @param string $id The cache entry ID |
| 34 | * @return array|bool False on error, or array the cache content |
| 35 | */ |
| 36 | public function fetch($id) |
| 37 | { |
| 38 | if (empty($id)) { |
| 39 | return false; |
| 40 | } |
| 41 | if (array_key_exists($id, self::$staticCache)) { |
| 42 | return self::$staticCache[$id]; |
| 43 | } |
| 44 | if (!$this->cache->contains($id)) { |
| 45 | return false; |
| 46 | } |
| 47 | return $this->cache->fetch($id); |
| 48 | } |
| 49 | /** |
| 50 | * A function to store content a cache entry. |
| 51 | * |
| 52 | * @param string $id The cache entry ID |
| 53 | * @param array $content The cache content |
| 54 | * @throws \Exception |
| 55 | * @return bool True if the entry was successfully stored |
| 56 | */ |
| 57 | public function save($id, $content, $ttl = 0) : bool |
| 58 | { |
| 59 | if (empty($id)) { |
| 60 | return false; |
| 61 | } |
| 62 | self::$staticCache[$id] = $content; |
| 63 | return (bool) $this->cache->save($id, $content, $this->ttl); |
| 64 | } |
| 65 | public function contains($id) : bool |
| 66 | { |
| 67 | return !empty(self::$staticCache[$id]) && $this->cache->contains($id); |
| 68 | } |
| 69 | public function delete($id) : bool |
| 70 | { |
| 71 | if (empty($id)) { |
| 72 | return false; |
| 73 | } |
| 74 | unset(self::$staticCache[$id]); |
| 75 | return (bool) $this->cache->delete($id); |
| 76 | } |
| 77 | public function flushAll() : bool |
| 78 | { |
| 79 | return (bool) $this->cache->flushAll(); |
| 80 | } |
| 81 | } |
| 82 |