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<?php
namespace Illuminate\Cache;
use Aws\DynamoDb\DynamoDbClient;
use Closure;
use Illuminate\Contracts\Cache\Factory as FactoryContract;
use Illuminate\Contracts\Cache\Store;
use Illuminate\Contracts\Events\Dispatcher as DispatcherContract;
use Illuminate\Support\Arr;
use InvalidArgumentException;
/**
* @mixin \Illuminate\Contracts\Cache\Repository
*/
class CacheManager implements FactoryContract
{
/**
* The application instance.
*
* @var \Illuminate\Contracts\Foundation\Application
*/
protected $app;
/**
* The array of resolved cache stores.
*
* @var array
*/
protected $stores = [];
/**
* The registered custom driver creators.
*
* @var array
*/
protected $customCreators = [];
/**
* Create a new Cache manager instance.
*
* @param \Illuminate\Contracts\Foundation\Application $app
* @return void
*/
public function __construct($app)
{
$this->app = $app;
}
/**
* Get a cache store instance by name, wrapped in a repository.
*
* @param string|null $name
* @return \Illuminate\Contracts\Cache\Repository
*/
public function store($name = null)
{
$name = $name ?: $this->getDefaultDriver();
return $this->stores[$name] = $this->get($name);
}
/**
* Get a cache driver instance.
*
* @param string|null $driver
* @return \Illuminate\Contracts\Cache\Repository
*/
public function driver($driver = null)
{
return $this->store($driver);
}
/**
* Attempt to get the store from the local cache.
*
* @param string $name
* @return \Illuminate\Contracts\Cache\Repository
*/
protected function get($name)
{
return $this->stores[$name] ?? $this->resolve($name);
}
/**
* Resolve the given store.
*
* @param string $name
* @return \Illuminate\Contracts\Cache\Repository
*
* @throws \InvalidArgumentException
*/
protected function resolve($name)
{
$config = $this->getConfig($name);
if (is_null($config)) {
throw new InvalidArgumentException("Cache store [{$name}] is not defined.");
}
if (isset($this->customCreators[$config['driver']])) {
return $this->callCustomCreator($config);
} else {
$driverMethod = 'create'.ucfirst($config['driver']).'Driver';
if (method_exists($this, $driverMethod)) {
return $this->{$driverMethod}($config);
} else {
throw new InvalidArgumentException("Driver [{$config['driver']}] is not supported.");
}
}
}
/**
* Call a custom driver creator.
*
* @param array $config
* @return mixed
*/
protected function callCustomCreator(array $config)
{
return $this->customCreators[$config['driver']]($this->app, $config);
}
/**
* Create an instance of the APC cache driver.
*
* @param array $config
* @return \Illuminate\Cache\Repository
*/
protected function createApcDriver(array $config)
{
$prefix = $this->getPrefix($config);
return $this->repository(new ApcStore(new ApcWrapper, $prefix));
}
/**
* Create an instance of the array cache driver.
*
* @param array $config
* @return \Illuminate\Cache\Repository
*/
protected function createArrayDriver(array $config)
{
return $this->repository(new ArrayStore($config['serialize'] ?? false));
}
/**
* Create an instance of the file cache driver.
*
* @param array $config
* @return \Illuminate\Cache\Repository
*/
protected function createFileDriver(array $config)
{
return $this->repository(new FileStore($this->app['files'], $config['path'], $config['permission'] ?? null));
}
/**
* Create an instance of the Memcached cache driver.
*
* @param array $config
* @return \Illuminate\Cache\Repository
*/
protected function createMemcachedDriver(array $config)
{
$prefix = $this->getPrefix($config);
$memcached = $this->app['memcached.connector']->connect(
$config['servers'],
$config['persistent_id'] ?? null,
$config['options'] ?? [],
array_filter($config['sasl'] ?? [])
);
return $this->repository(new MemcachedStore($memcached, $prefix));
}
/**
* Create an instance of the Null cache driver.
*
* @return \Illuminate\Cache\Repository
*/
protected function createNullDriver()
{
return $this->repository(new NullStore);
}
/**
* Create an instance of the Redis cache driver.
*
* @param array $config
* @return \Illuminate\Cache\Repository
*/
protected function createRedisDriver(array $config)
{
$redis = $this->app['redis'];
$connection = $config['connection'] ?? 'default';
$store = new RedisStore($redis, $this->getPrefix($config), $connection);
return $this->repository(
$store->setLockConnection($config['lock_connection'] ?? $connection)
);
}
/**
* Create an instance of the database cache driver.
*
* @param array $config
* @return \Illuminate\Cache\Repository
*/
protected function createDatabaseDriver(array $config)
{
$connection = $this->app['db']->connection($config['connection'] ?? null);
$store = new DatabaseStore(
$connection,
$config['table'],
$this->getPrefix($config),
$config['lock_table'] ?? 'cache_locks',
$config['lock_lottery'] ?? [2, 100]
);
return $this->repository($store->setLockConnection(
$this->app['db']->connection($config['lock_connection'] ?? $config['connection'] ?? null)
));
}
/**
* Create an instance of the DynamoDB cache driver.
*
* @param array $config
* @return \Illuminate\Cache\Repository
*/
protected function createDynamodbDriver(array $config)
{
$client = $this->newDynamodbClient($config);
return $this->repository(
new DynamoDbStore(
$client,
$config['table'],
$config['attributes']['key'] ?? 'key',
$config['attributes']['value'] ?? 'value',
$config['attributes']['expiration'] ?? 'expires_at',
$this->getPrefix($config)
)
);
}
/**
* Create new DynamoDb Client instance.
*
* @return DynamoDbClient
*/
protected function newDynamodbClient(array $config)
{
$dynamoConfig = [
'region' => $config['region'],
'version' => 'latest',
'endpoint' => $config['endpoint'] ?? null,
];
if (isset($config['key']) && isset($config['secret'])) {
$dynamoConfig['credentials'] = Arr::only(
$config, ['key', 'secret', 'token']
);
}
return new DynamoDbClient($dynamoConfig);
}
/**
* Create a new cache repository with the given implementation.
*
* @param \Illuminate\Contracts\Cache\Store $store
* @return \Illuminate\Cache\Repository
*/
public function repository(Store $store)
{
return tap(new Repository($store), function ($repository) {
$this->setEventDispatcher($repository);
});
}
/**
* Set the event dispatcher on the given repository instance.
*
* @param \Illuminate\Cache\Repository $repository
* @return void
*/
protected function setEventDispatcher(Repository $repository)
{
if (! $this->app->bound(DispatcherContract::class)) {
return;
}
$repository->setEventDispatcher(
$this->app[DispatcherContract::class]
);
}
/**
* Re-set the event dispatcher on all resolved cache repositories.
*
* @return void
*/
public function refreshEventDispatcher()
{
array_map([$this, 'setEventDispatcher'], $this->stores);
}
/**
* Get the cache prefix.
*
* @param array $config
* @return string
*/
protected function getPrefix(array $config)
{
return $config['prefix'] ?? $this->app['config']['cache.prefix'];
}
/**
* Get the cache connection configuration.
*
* @param string $name
* @return array
*/
protected function getConfig($name)
{
if (! is_null($name) && $name !== 'null') {
return $this->app['config']["cache.stores.{$name}"];
}
return ['driver' => 'null'];
}
/**
* Get the default cache driver name.
*
* @return string
*/
public function getDefaultDriver()
{
return $this->app['config']['cache.default'];
}
/**
* Set the default cache driver name.
*
* @param string $name
* @return void
*/
public function setDefaultDriver($name)
{
$this->app['config']['cache.default'] = $name;
}
/**
* Unset the given driver instances.
*
* @param array|string|null $name
* @return $this
*/
public function forgetDriver($name = null)
{
$name = $name ?? $this->getDefaultDriver();
foreach ((array) $name as $cacheName) {
if (isset($this->stores[$cacheName])) {
unset($this->stores[$cacheName]);
}
}
return $this;
}
/**
* Disconnect the given driver and remove from local cache.
*
* @param string|null $name
* @return void
*/
public function purge($name = null)
{
$name = $name ?? $this->getDefaultDriver();
unset($this->stores[$name]);
}
/**
* Register a custom driver creator Closure.
*
* @param string $driver
* @param \Closure $callback
* @return $this
*/
public function extend($driver, Closure $callback)
{
$this->customCreators[$driver] = $callback->bindTo($this, $this);
return $this;
}
/**
* Dynamically call the default driver instance.
*
* @param string $method
* @param array $parameters
* @return mixed
*/
public function __call($method, $parameters)
{
return $this->store()->$method(...$parameters);
}
}
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