/
DatabaseManager.php
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/
DatabaseManager.php
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<?php
namespace Concrete\Core\Database;
use Concrete\Core\Application\Application;
use Concrete\Core\Database\Connection\Connection;
use Concrete\Core\Support\Facade\Config;
class DatabaseManager
{
/**
* The application instance.
*
* @var Application
*/
protected $app;
/**
* The database connection factory instance.
*
* @var \Concrete\Core\Database\Connection\ConnectionFactory
*/
protected $factory;
/**
* The active connection instances.
*
* @var Connection[]
*/
protected $connections = array();
/**
* The custom connection resolvers.
*
* @var array
*/
protected $extensions = array();
/**
* Create a new database manager instance.
*
* @param Application $app
* @param \Concrete\Core\Database\Connection\ConnectionFactory $factory
*/
public function __construct(Application $app, \Concrete\Core\Database\Connection\ConnectionFactory $factory)
{
$this->app = $app;
$this->factory = $factory;
if ($this->app['config']['site_install.database']) {
$this->app['config']['database'] = array_replace_recursive(
$this->app['config']['site_install.database'],
$this->app['config']['database']);
}
}
/**
* Legacy entry point.
*
* @deprecated
*
* @return \Concrete\Core\Database\Connection\Connection
*/
public function getActiveConnection()
{
return $this->connection();
}
/**
* Legacy entry point.
*
* @deprecated
*
* @return \Concrete\Core\Database\Connection\Connection
*/
public function get()
{
return $this->connection();
}
/**
* Get a database connection instance.
*
* @param string $name
*
* @return \Concrete\Core\Database\Connection\Connection
*/
public function connection($name = null)
{
$name = $name ?: $this->getDefaultConnection();
// If we haven't created this connection, we'll create it based on the config
// provided in the application. Once we've created the connections we will
// set the "fetch mode" for PDO which determines the query return types.
if (!isset($this->connections[$name])) {
$connection = $this->makeConnection($name);
if (Config::get('concrete.log.queries.log')) {
$connection->getConfiguration()->setSQLLogger(new \Doctrine\DBAL\Logging\DebugStack());
}
$this->connections[$name] = $this->prepare($connection);
}
return $this->connections[$name];
}
/**
* Disconnect from the given database and remove from local cache.
*
* @param string $name
*/
public function purge($name = null)
{
$this->disconnect($name);
if (isset($this->connections[$name = $name ?: $this->getDefaultConnection()])) {
unset($this->connections[$name]);
}
}
/**
* Disconnect from the given database.
*
* @param string $name
*/
public function disconnect($name = null)
{
if (isset($this->connections[$name = $name ?: $this->getDefaultConnection()])) {
$this->connections[$name]->close();
}
}
/**
* Reconnect to the given database.
*
* @param string $name
*
* @return \Concrete\Core\Database\Connection\Connection
*/
public function reconnect($name = null)
{
$this->disconnect($name = $name ?: $this->getDefaultConnection());
if (!isset($this->connections[$name])) {
return $this->connection($name);
} else {
return $this->refreshPdoConnections($name);
}
}
/**
* Refresh the PDO connections on a given connection.
*
* @param string $name
*
* @return Connection
*/
protected function refreshPdoConnections($name)
{
$this->purge($name);
return $this->connection($name);
}
/**
* Make the database connection instance.
*
* @param string $name
*
* @return Connection
*/
protected function makeConnection($name)
{
$config = $this->getConfig($name);
// First we will check by the connection name to see if an extension has been
// registered specifically for that connection. If it has we will call the
// Closure and pass it the config allowing it to resolve the connection.
if (isset($this->extensions[$name])) {
return call_user_func($this->extensions[$name], $config, $name);
}
$driver = $config['driver'];
// Next we will check to see if an extension has been registered for a driver
// and will call the Closure if so, which allows us to have a more generic
// resolver for the drivers themselves which applies to all connections.
if (isset($this->extensions[$driver])) {
return call_user_func($this->extensions[$driver], $config, $name);
}
return $this->factory->make($config, $name);
}
/**
* Prepare the database connection instance.
*
* @param Connection $connection
*
* @return Connection
*/
protected function prepare($connection)
{
return $connection;
}
/**
* Get the configuration for a connection.
*
* @param string $name
*
* @return array
*
* @throws \InvalidArgumentException
*/
protected function getConfig($name)
{
$name = $name ?: $this->getDefaultConnection();
// To get the database connection configuration, we will just pull each of the
// connection configurations and get the configurations for the given name.
// If the configuration doesn't exist, we'll throw an exception and bail.
$connections = $this->app['config']['database.connections'];
if (is_null($config = array_get($connections, $name))) {
throw new \InvalidArgumentException("Database [$name] not configured.");
}
return $config;
}
/**
* Get the default connection name.
*
* @return string
*/
public function getDefaultConnection()
{
return $this->app['config']['database.default-connection'];
}
/**
* Set the default connection name.
*
* @param string $name
*/
public function setDefaultConnection($name)
{
$this->app['config']['database.default-connection'] = $name;
}
/**
* Register an extension connection resolver.
*
* @param string $name
* @param callable $resolver
*/
public function extend($name, $resolver)
{
$this->extensions[$name] = $resolver;
}
/**
* Return all of the created connections.
*
* @return \Concrete\Core\Database\Connection\Connection[]
*/
public function getConnections()
{
return $this->connections;
}
/**
* Dynamically pass methods to the default connection.
*
* @param string $method
* @param array $parameters
*
* @return mixed
*/
public function __call($method, $parameters)
{
return call_user_func_array(array($this->connection(), $method), $parameters);
}
/**
* @return \Concrete\Core\Database\Connection\ConnectionFactory
*/
public function getFactory()
{
return $this->factory;
}
}