| Total Complexity | 40 |
| Total Lines | 286 |
| Duplicated Lines | 0 % |
| Changes | 1 | ||
| Bugs | 0 | Features | 0 |
Complex classes like RedisHandler often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use RedisHandler, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
||
| 22 | class RedisHandler extends BaseHandler |
||
| 23 | { |
||
| 24 | /** |
||
| 25 | * Wrapper Redis. |
||
| 26 | * |
||
| 27 | * @var Redis |
||
| 28 | */ |
||
| 29 | protected $_Redis; |
||
| 30 | |||
| 31 | /** |
||
| 32 | * La configuration par défaut utilisée sauf si elle est remplacée par la configuration d'exécution |
||
| 33 | * |
||
| 34 | * - Numéro de base de données `database` à utiliser pour la connexion. |
||
| 35 | * - `duration` Spécifiez combien de temps durent les éléments de cette configuration de cache. |
||
| 36 | * - `groups` Liste des groupes ou 'tags' associés à chaque clé stockée dans cette configuration. |
||
| 37 | * pratique pour supprimer un groupe complet du cache. |
||
| 38 | * - `password` Mot de passe du serveur Redis. |
||
| 39 | * - `persistent` Connectez-vous au serveur Redis avec une connexion persistante |
||
| 40 | * - `port` numéro de port vers le serveur Redis. |
||
| 41 | * - `prefix` Préfixe ajouté à toutes les entrées. Bon pour quand vous avez besoin de partager un keyspace |
||
| 42 | * avec une autre configuration de cache ou une autre application. |
||
| 43 | * - URL ou IP `server` vers l'hôte du serveur Redis. |
||
| 44 | * - Délai d'expiration de `timeout` en secondes (flottant). |
||
| 45 | * - `unix_socket` Chemin vers le fichier socket unix (par défaut : false) |
||
| 46 | */ |
||
| 47 | protected array $_defaultConfig = [ |
||
| 48 | 'database' => 0, |
||
| 49 | 'duration' => 3600, |
||
| 50 | 'groups' => [], |
||
| 51 | 'password' => false, |
||
| 52 | 'persistent' => true, |
||
| 53 | 'port' => 6379, |
||
| 54 | 'prefix' => 'blitz_', |
||
| 55 | 'host' => null, |
||
| 56 | 'server' => '127.0.0.1', |
||
| 57 | 'timeout' => 0, |
||
| 58 | 'unix_socket' => false, |
||
| 59 | ]; |
||
| 60 | |||
| 61 | /** |
||
| 62 | * {@inheritDoc} |
||
| 63 | */ |
||
| 64 | public function init(array $config = []): bool |
||
| 65 | { |
||
| 66 | if (! extension_loaded('redis')) { |
||
| 67 | throw new RuntimeException('L\'extension `redis` doit être activée pour utiliser RedisHandler.'); |
||
| 68 | } |
||
| 69 | |||
| 70 | if (! empty($config['host'])) { |
||
| 71 | $config['server'] = $config['host']; |
||
| 72 | } |
||
| 73 | |||
| 74 | parent::init($config); |
||
| 75 | |||
| 76 | return $this->_connect(); |
||
| 77 | } |
||
| 78 | |||
| 79 | /** |
||
| 80 | * Connection au serveur Redis |
||
| 81 | * |
||
| 82 | * @return bool Vrai si le serveur Redis était connecté |
||
| 83 | */ |
||
| 84 | protected function _connect(): bool |
||
| 85 | { |
||
| 86 | try { |
||
| 87 | $this->_Redis = new Redis(); |
||
| 88 | if (! empty($this->_config['unix_socket'])) { |
||
| 89 | $return = $this->_Redis->connect($this->_config['unix_socket']); |
||
| 90 | } elseif (empty($this->_config['persistent'])) { |
||
| 91 | $return = $this->_Redis->connect( |
||
| 92 | $this->_config['server'], |
||
| 93 | (int) $this->_config['port'], |
||
| 94 | (int) $this->_config['timeout'] |
||
| 95 | ); |
||
| 96 | } else { |
||
| 97 | $persistentId = $this->_config['port'] . $this->_config['timeout'] . $this->_config['database']; |
||
| 98 | $return = $this->_Redis->pconnect( |
||
| 99 | $this->_config['server'], |
||
| 100 | (int) $this->_config['port'], |
||
| 101 | (int) $this->_config['timeout'], |
||
| 102 | $persistentId |
||
| 103 | ); |
||
| 104 | } |
||
| 105 | } catch (RedisException $e) { |
||
| 106 | if (function_exists('logger')) { |
||
| 107 | $logger = logger(); |
||
| 108 | if (is_object($logger) && method_exists($logger, 'error')) { |
||
| 109 | $logger->error('RedisEngine n\'a pas pu se connecter. Erreur: ' . $e->getMessage()); |
||
| 110 | } |
||
| 111 | } |
||
| 112 | |||
| 113 | return false; |
||
| 114 | } |
||
| 115 | if ($return && $this->_config['password']) { |
||
| 116 | $return = $this->_Redis->auth($this->_config['password']); |
||
| 117 | } |
||
| 118 | if ($return) { |
||
| 119 | $return = $this->_Redis->select((int) $this->_config['database']); |
||
| 120 | } |
||
| 121 | |||
| 122 | return $return; |
||
| 123 | } |
||
| 124 | |||
| 125 | /** |
||
| 126 | * {@inheritDoc} |
||
| 127 | */ |
||
| 128 | public function set(string $key, mixed $value, DateInterval|int|null $ttl = null): bool |
||
| 129 | { |
||
| 130 | $key = $this->_key($key); |
||
| 131 | $value = $this->serialize($value); |
||
| 132 | |||
| 133 | $duration = $this->duration($ttl); |
||
| 134 | if ($duration === 0) { |
||
| 135 | return $this->_Redis->set($key, $value); |
||
| 136 | } |
||
| 137 | |||
| 138 | return $this->_Redis->setEx($key, $duration, $value); |
||
| 139 | } |
||
| 140 | |||
| 141 | /** |
||
| 142 | * {@inheritDoc} |
||
| 143 | */ |
||
| 144 | public function get(string $key, mixed $default = null): mixed |
||
| 145 | { |
||
| 146 | $value = $this->_Redis->get($this->_key($key)); |
||
| 147 | if ($value === false) { |
||
| 148 | return $default; |
||
| 149 | } |
||
| 150 | |||
| 151 | return $this->unserialize($value); |
||
| 152 | } |
||
| 153 | |||
| 154 | /** |
||
| 155 | * {@inheritDoc} |
||
| 156 | */ |
||
| 157 | public function increment(string $key, int $offset = 1) |
||
| 158 | { |
||
| 159 | $duration = $this->_config['duration']; |
||
| 160 | $key = $this->_key($key); |
||
| 161 | |||
| 162 | $value = $this->_Redis->incrBy($key, $offset); |
||
| 163 | if ($duration > 0) { |
||
| 164 | $this->_Redis->expire($key, $duration); |
||
| 165 | } |
||
| 166 | |||
| 167 | return $value; |
||
| 168 | } |
||
| 169 | |||
| 170 | /** |
||
| 171 | * {@inheritDoc} |
||
| 172 | */ |
||
| 173 | public function decrement(string $key, int $offset = 1) |
||
| 174 | { |
||
| 175 | $duration = $this->_config['duration']; |
||
| 176 | $key = $this->_key($key); |
||
| 177 | |||
| 178 | $value = $this->_Redis->decrBy($key, $offset); |
||
| 179 | if ($duration > 0) { |
||
| 180 | $this->_Redis->expire($key, $duration); |
||
| 181 | } |
||
| 182 | |||
| 183 | return $value; |
||
| 184 | } |
||
| 185 | |||
| 186 | /** |
||
| 187 | * {@inheritDoc} |
||
| 188 | */ |
||
| 189 | public function delete(string $key): bool |
||
| 190 | { |
||
| 191 | $key = $this->_key($key); |
||
| 192 | |||
| 193 | return $this->_Redis->del($key) > 0; |
||
| 194 | } |
||
| 195 | |||
| 196 | /** |
||
| 197 | * {@inheritDoc} |
||
| 198 | */ |
||
| 199 | public function clear(): bool |
||
| 221 | } |
||
| 222 | |||
| 223 | /** |
||
| 224 | * {@inheritDoc} |
||
| 225 | * |
||
| 226 | * @see https://github.com/phpredis/phpredis#set |
||
| 227 | */ |
||
| 228 | public function add(string $key, mixed $value): bool |
||
| 235 | } |
||
| 236 | |||
| 237 | /** |
||
| 238 | * {@inheritDoc} |
||
| 239 | */ |
||
| 240 | public function info() |
||
| 241 | { |
||
| 242 | return $this->_Redis->info(); |
||
| 243 | } |
||
| 244 | |||
| 245 | /** |
||
| 246 | * {@inheritDoc} |
||
| 247 | */ |
||
| 248 | public function groups(): array |
||
| 249 | { |
||
| 250 | $result = []; |
||
| 251 | |||
| 252 | foreach ($this->_config['groups'] as $group) { |
||
| 253 | $value = $this->_Redis->get($this->_config['prefix'] . $group); |
||
| 254 | if (! $value) { |
||
| 255 | $value = $this->serialize(1); |
||
| 256 | $this->_Redis->set($this->_config['prefix'] . $group, $value); |
||
| 257 | } |
||
| 258 | $result[] = $group . $value; |
||
| 259 | } |
||
| 260 | |||
| 261 | return $result; |
||
| 262 | } |
||
| 263 | |||
| 264 | /** |
||
| 265 | * {@inheritDoc} |
||
| 266 | */ |
||
| 267 | public function clearGroup(string $group): bool |
||
| 268 | { |
||
| 269 | return (bool) $this->_Redis->incr($this->_config['prefix'] . $group); |
||
| 270 | } |
||
| 271 | |||
| 272 | /** |
||
| 273 | * Sérialisez la valeur pour l'enregistrer dans Redis. |
||
| 274 | * |
||
| 275 | * Ceci est nécessaire au lieu d'utiliser la fonction de sérialisation intégrée de Redis |
||
| 276 | * car cela crée des problèmes d'incrémentation/décrémentation de la valeur entière initialement définie. |
||
| 277 | * |
||
| 278 | * @see https://github.com/phpredis/phpredis/issues/81 |
||
| 279 | */ |
||
| 280 | protected function serialize(mixed $value): string |
||
| 281 | { |
||
| 282 | if (is_int($value)) { |
||
| 283 | return (string) $value; |
||
| 284 | } |
||
| 285 | |||
| 286 | return serialize($value); |
||
| 287 | } |
||
| 288 | |||
| 289 | /** |
||
| 290 | * Désérialiser la valeur de chaîne extraite de Redis. |
||
| 291 | */ |
||
| 292 | protected function unserialize(string $value): mixed |
||
| 299 | } |
||
| 300 | |||
| 301 | /** |
||
| 302 | * Se déconnecte du serveur redis |
||
| 303 | */ |
||
| 304 | public function __destruct() |
||
| 308 | } |
||
| 309 | } |
||
| 310 | } |
||
| 311 |