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<?php |
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namespace Nip\Database\Manager; |
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use InvalidArgumentException; |
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use Nip\Container\Container; |
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use Nip\Database\Connections\Connection; |
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use Nip\Utility\Arr; |
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/** |
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* Trait HasConnections |
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* @package Nip\Database\Manager |
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*/ |
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trait HasConnections |
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{ |
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protected $connections = []; |
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/** |
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* Get a database connection instance. |
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* |
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* @param string $name |
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* @return Connection |
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*/ |
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public function connection($name = null) |
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{ |
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$connectionName = $this->parseConnectionName($name); |
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if (is_array($connectionName)) { |
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list($database, $type) = $connectionName; |
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} else { |
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$database = $connectionName; |
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$type = null; |
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} |
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$name = $name ?: $database; |
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// If we haven't created this connection, we'll create it based on the config |
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// provided in the application. Once we've created the connections we will |
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// set the "fetch mode" for PDO which determines the query return types. |
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if (!isset($this->connections[$name])) { |
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$connection = $this->configure($this->makeConnection($name), $type); |
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$this->setConnection($connection, $name); |
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} |
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return $this->connections[$name]; |
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} |
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/** |
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* @param Connection $connection |
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* @param string $name |
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*/ |
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public function setConnection($connection, $name) |
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{ |
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$this->connections[$name] = $connection; |
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} |
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/** |
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* @return array |
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*/ |
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public function getConnections(): array |
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{ |
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return $this->connections; |
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} |
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/** |
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* Get the default connection name. |
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* |
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* @return string |
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*/ |
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public function getDefaultConnection() |
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{ |
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if (!function_exists('config')) { |
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return 'main'; |
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} |
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if (!Container::getInstance() || !Container::getInstance()->has('config')) { |
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return 'main'; |
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} |
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if (Container::getInstance() && config()->has('database.default')) { |
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return config()->get('database.default'); |
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} |
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return 'main'; |
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} |
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/** |
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* Parse the connection into an array of the name and read / write type. |
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* |
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* @param string $name |
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* @return string |
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*/ |
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protected function parseConnectionName($name) |
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{ |
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$name = $name ?: $this->getDefaultConnection(); |
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return $name; |
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} |
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/** |
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* Prepare the database connection instance. |
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* |
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* @param Connection $connection |
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* @param string $type |
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* @return Connection |
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*/ |
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protected function configure(Connection $connection, $type) |
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{ |
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// $connection = $this->setPdoForType($connection, $type); |
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// First we'll set the fetch mode and a few other dependencies of the database |
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// connection. This method basically just configures and prepares it to get |
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// used by the application. Once we're finished we'll return it back out. |
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// if ($this->app->bound('events')) { |
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// $connection->setEventDispatcher($this->app['events']); |
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// } |
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// Here we'll set a reconnector callback. This reconnector can be any callable |
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// so we will set a Closure to reconnect from this manager with the name of |
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// the connection, which will allow us to reconnect from the connections. |
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// $connection->setReconnector(function ($connection) { |
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// $this->reconnect($connection->getName()); |
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// }); |
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return $connection; |
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} |
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/** |
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* Make the database connection instance. |
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* |
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* @param string $name |
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* @return Connection |
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*/ |
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protected function makeConnection($name) |
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{ |
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$config = $this->configuration($name); |
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// First we will check by the connection name to see if an extension has been |
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// registered specifically for that connection. If it has we will call the |
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// Closure and pass it the config allowing it to resolve the connection. |
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// if (isset($this->extensions[$name])) { |
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// return call_user_func($this->extensions[$name], $config, $name); |
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// } |
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// Next we will check to see if an extension has been registered for a driver |
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// and will call the Closure if so, which allows us to have a more generic |
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// resolver for the drivers themselves which applies to all connections. |
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// if (isset($this->extensions[$driver = $config['driver']])) { |
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// return call_user_func($this->extensions[$driver], $config, $name); |
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// } |
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return $this->factory->make($config, $name); |
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} |
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/** |
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* Get the configuration for a connection. |
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* |
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* @param string $name |
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* @return array |
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* |
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* @throws \InvalidArgumentException |
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*/ |
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protected function configuration($name) |
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{ |
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$name = $name ?: $this->getDefaultConnection(); |
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// To get the database connection configuration, we will just pull each of the |
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// connection configurations and get the configurations for the given name. |
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// If the configuration doesn't exist, we'll throw an exception and bail. |
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$connections = config('database.connections'); |
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if (is_null($config = Arr::get($connections, $name))) { |
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throw new InvalidArgumentException("Database [$name] not configured."); |
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} |
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if ($config['user']) { |
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$config['username'] = $config['user']; |
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} |
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if ($config['name']) { |
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$config['database'] = $config['name']; |
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} |
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return $config; |
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} |
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} |
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