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<?php |
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namespace PhpCache\Storage; |
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/** |
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* Description of MessageBucket. |
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* |
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* @author dude920228 |
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*/ |
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class Bucket implements StorageInterface |
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{ |
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private $entries; |
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private $backupDir; |
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public function __construct(string $backupDir) |
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{ |
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$this->backupDir = $backupDir; |
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$this->entries = []; |
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} |
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public function get(string $key): ?string |
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{ |
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if (!array_key_exists($key, $this->entries) && !$this->existsInBackup($key)) { |
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return null; |
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} |
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if ($this->existsInBackup($key)) { |
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$entry = unserialize($this->getFromBackup($key)); |
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return gzuncompress($entry['content']); |
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} |
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return gzuncompress($this->entries[$key]['content']); |
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} |
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private function existsInBackup($key): bool |
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{ |
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if (file_exists($this->backupDir.'/'.$key.'.dat')) { |
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return true; |
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} |
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return false; |
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} |
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private function getFromBackup($key): string |
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{ |
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$contents = ''; |
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$handle = fopen($this->backupDir.'/'.$key.'.dat', 'r+'); |
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if (is_resource($handle)) { |
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while (!feof($handle)) { |
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$contents .= fread($handle, 32); |
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} |
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} |
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return $contents; |
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} |
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public function store(string $key, string $entry, $time = null): bool |
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{ |
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$compressed = gzcompress($entry, 9); |
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$this->entries[$key]['content'] = $compressed; |
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$this->entries[$key]['created_time'] = is_null($time) ? time() : $time; |
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if (!$compressed) { |
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return false; |
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} |
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return true; |
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} |
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public function getEntries(): array |
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{ |
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return $this->entries; |
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} |
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public function delete($key): bool |
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{ |
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if (array_key_exists($key, $this->entries)) { |
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unset($this->entries[$key]); |
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return true; |
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} |
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return false; |
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} |
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} |
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dude920228 /
php-cache
