Breakout Query function into its own class
This commit is contained in:
parent
955dc78913
commit
7cf3c436dd
241
classes/connection_manager.php
Normal file
241
classes/connection_manager.php
Normal file
@ -0,0 +1,241 @@
|
||||
<?php
|
||||
/**
|
||||
* Query
|
||||
*
|
||||
* Free Query Builder / Database Abstraction Layer
|
||||
*
|
||||
* @package Query
|
||||
* @author Timothy J. Warren
|
||||
* @copyright Copyright (c) 2012 - 2014
|
||||
* @link https://github.com/aviat4ion/Query
|
||||
* @license http://philsturgeon.co.uk/code/dbad-license
|
||||
*/
|
||||
|
||||
// --------------------------------------------------------------------------
|
||||
|
||||
/**
|
||||
* Generic exception for bad drivers
|
||||
*
|
||||
* @package Query
|
||||
* @subpackage Query
|
||||
*/
|
||||
class BadDBDriverException extends InvalidArgumentException {}
|
||||
|
||||
// --------------------------------------------------------------------------
|
||||
|
||||
/**
|
||||
* Connection manager class to manage connections for the
|
||||
* Query method
|
||||
*
|
||||
* @package Query
|
||||
* @subpackage Query
|
||||
*/
|
||||
final class Connection_Manager {
|
||||
|
||||
/**
|
||||
* Map of named database connections
|
||||
* @var array
|
||||
*/
|
||||
private $connections = array();
|
||||
|
||||
/**
|
||||
* Class instance variable
|
||||
* @var Connection_Manager
|
||||
*/
|
||||
private static $instance = null;
|
||||
|
||||
/**
|
||||
* Private methods for singleton
|
||||
*/
|
||||
private function __construct() {}
|
||||
private function __clone() {}
|
||||
|
||||
/**
|
||||
* Make sure serialize/deseriaze doesn't work
|
||||
* @throws DomainException
|
||||
*/
|
||||
private function __wakup()
|
||||
{
|
||||
throw new DomainException("Can't unserialize singleton");
|
||||
}
|
||||
|
||||
// --------------------------------------------------------------------------
|
||||
|
||||
/**
|
||||
* Return a connection manager instance
|
||||
*
|
||||
* @staticvar null $instance
|
||||
* @return Connection_Manager
|
||||
*/
|
||||
public static function get_instance()
|
||||
{
|
||||
|
||||
if (self::$instance === null)
|
||||
{
|
||||
self::$instance = new self();
|
||||
}
|
||||
|
||||
return self::$instance;
|
||||
}
|
||||
|
||||
// --------------------------------------------------------------------------
|
||||
|
||||
/**
|
||||
* Returns the connection specified by the name given
|
||||
*
|
||||
* @param mixed $name
|
||||
* @return Query_Builder
|
||||
* @throws InvalidArgumentException
|
||||
*/
|
||||
public function get_connection($name = '')
|
||||
{
|
||||
// If the paramater is a string, use it as an array index
|
||||
if (is_scalar($name) && isset($this->connections[$name]))
|
||||
{
|
||||
return $this->connections[$name];
|
||||
}
|
||||
elseif (empty($name) && ! empty($this->connections)) // Otherwise, return the last one
|
||||
{
|
||||
return end($this->connections);
|
||||
}
|
||||
else
|
||||
{
|
||||
throw new InvalidArgumentException("The specified connection does not exist");
|
||||
}
|
||||
}
|
||||
|
||||
// --------------------------------------------------------------------------
|
||||
|
||||
/**
|
||||
* Parse the passed parameters and return a connection
|
||||
*
|
||||
* @param array|object $params
|
||||
* @return Query_Builder
|
||||
* @throws BadConnectionException
|
||||
*/
|
||||
public function connect($params)
|
||||
{
|
||||
list($dsn, $dbtype, $params, $options) = $this->parse_params($params);
|
||||
|
||||
// Create the database connection
|
||||
$db = ( ! empty($params->user))
|
||||
? new $dbtype($dsn, $params->user, $params->pass, $options)
|
||||
: new $dbtype($dsn, '', '', $options);
|
||||
|
||||
// --------------------------------------------------------------------------
|
||||
// Save connection
|
||||
// --------------------------------------------------------------------------
|
||||
|
||||
// Set the table prefix, if it exists
|
||||
if (isset($params->prefix))
|
||||
{
|
||||
$db->table_prefix = $params->prefix;
|
||||
}
|
||||
|
||||
// Create the Query Builder object
|
||||
$conn = new Query_Builder($db, $params);
|
||||
|
||||
// Save it for later
|
||||
if (isset($params->alias))
|
||||
{
|
||||
$this->connections[$params->alias] = $conn;
|
||||
}
|
||||
else
|
||||
{
|
||||
$this->connections[] = $conn;
|
||||
}
|
||||
|
||||
return $conn;
|
||||
}
|
||||
|
||||
// --------------------------------------------------------------------------
|
||||
|
||||
/**
|
||||
* Parses params into a dsn and option array
|
||||
*
|
||||
* @param ArrayObject $params
|
||||
* @throws BadDBDriverException
|
||||
*/
|
||||
private function parse_params($params)
|
||||
{
|
||||
// --------------------------------------------------------------------------
|
||||
// Parse argument array / object
|
||||
// --------------------------------------------------------------------------
|
||||
|
||||
// Convert array to object
|
||||
if (is_array($params))
|
||||
{
|
||||
$params = new ArrayObject($params, ArrayObject::STD_PROP_LIST | ArrayObject::ARRAY_AS_PROPS);
|
||||
}
|
||||
|
||||
$params->type = strtolower($params->type);
|
||||
$dbtype = ($params->type !== 'postgresql') ? $params->type : 'pgsql';
|
||||
|
||||
// Make sure the class exists
|
||||
if ( ! class_exists($dbtype))
|
||||
{
|
||||
throw new BadDBDriverException('Database driver does not exist, or is not supported');
|
||||
}
|
||||
|
||||
// Set additional PDO options
|
||||
$options = array();
|
||||
|
||||
if (isset($params->options))
|
||||
{
|
||||
$options = (array) $params->options;
|
||||
}
|
||||
|
||||
// Create the dsn for the database to connect to
|
||||
$dsn = $this->create_dsn($dbtype, $params);
|
||||
|
||||
return array($dsn, $dbtype, $params, $options);
|
||||
}
|
||||
|
||||
// --------------------------------------------------------------------------
|
||||
|
||||
/**
|
||||
* Create the dsn from the db type and params
|
||||
*
|
||||
* @param string $dbtype
|
||||
* @param array|object $params
|
||||
* @return string
|
||||
*/
|
||||
private function create_dsn($dbtype, $params)
|
||||
{
|
||||
// Add the driver type to the dsn
|
||||
$dsn = ($dbtype !== 'firebird' && $dbtype !== 'sqlite')
|
||||
? strtolower($dbtype).':'
|
||||
: '';
|
||||
|
||||
if ($dbtype === 'firebird') $dsn = "{$params->host}:{$params->file}";
|
||||
elseif ($dbtype === 'sqlite') $dsn = $params->file;
|
||||
else
|
||||
{
|
||||
if ( ! empty($params->database))
|
||||
{
|
||||
$dsn .= "dbname={$params->database}";
|
||||
}
|
||||
|
||||
$skip = array(
|
||||
'name' => 'name',
|
||||
'pass' => 'pass',
|
||||
'user' => 'user',
|
||||
'file' => 'file',
|
||||
'type' => 'type',
|
||||
'prefix' => 'prefix',
|
||||
'options' => 'options',
|
||||
'database' => 'database'
|
||||
);
|
||||
|
||||
foreach($params as $key => $val)
|
||||
{
|
||||
if ( ! isset($skip[$key]))
|
||||
{
|
||||
$dsn .= ";{$key}={$val}";
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return $dsn;
|
||||
}
|
||||
}
|
||||
139
common.php
139
common.php
@ -14,27 +14,9 @@
|
||||
// --------------------------------------------------------------------------
|
||||
|
||||
/**
|
||||
* Global classes/functions that don't really fit anywhere else
|
||||
* Global functions that don't really fit anywhere else
|
||||
*/
|
||||
|
||||
/**
|
||||
* Generic exception for bad drivers
|
||||
*
|
||||
* @package Query
|
||||
* @subpackage Query
|
||||
*/
|
||||
class BadDBDriverException extends InvalidArgumentException {}
|
||||
|
||||
// --------------------------------------------------------------------------
|
||||
|
||||
/**
|
||||
* Generic exception for bad connection strings
|
||||
*
|
||||
* @package Query
|
||||
* @subpackage Query
|
||||
*/
|
||||
class BadConnectionException extends UnexpectedValueException {}
|
||||
|
||||
// --------------------------------------------------------------------------
|
||||
|
||||
if ( ! function_exists('do_include'))
|
||||
@ -96,130 +78,19 @@ function db_filter($array, $index)
|
||||
*
|
||||
* @param mixed $params
|
||||
* @return Query_Builder
|
||||
* @throws InvalidArgumentException
|
||||
* @throws BadDBDriverException
|
||||
* @throws BadConnectionException
|
||||
*/
|
||||
function Query($params = '')
|
||||
{
|
||||
static $connections;
|
||||
$cmanager = Connection_Manager::get_instance();
|
||||
|
||||
// If you are getting a previously created connection
|
||||
if (is_scalar($params))
|
||||
{
|
||||
// If the paramater is a string, use it as an array index
|
||||
if (is_scalar($params) && isset($connections[$params]))
|
||||
{
|
||||
return $connections[$params];
|
||||
}
|
||||
elseif (empty($params) && ! empty($connections)) // Otherwise, return the last one
|
||||
{
|
||||
return end($connections);
|
||||
}
|
||||
|
||||
throw new InvalidArgumentException("The specified connection does not exist");
|
||||
return $cmanager->get_connection($params);
|
||||
}
|
||||
|
||||
// --------------------------------------------------------------------------
|
||||
// Parse argument array / object
|
||||
// --------------------------------------------------------------------------
|
||||
|
||||
// Convert array to object
|
||||
if (is_array($params))
|
||||
{
|
||||
$params = new ArrayObject($params, ArrayObject::STD_PROP_LIST | ArrayObject::ARRAY_AS_PROPS);
|
||||
}
|
||||
|
||||
$params->type = strtolower($params->type);
|
||||
$dbtype = ($params->type !== 'postgresql') ? $params->type : 'pgsql';
|
||||
|
||||
// Let the connection work with 'conn_db' or 'database'
|
||||
if (isset($params->database))
|
||||
{
|
||||
$params->conn_db = $params->database;
|
||||
}
|
||||
|
||||
// Add the driver type to the dsn
|
||||
$dsn = ($dbtype !== 'firebird' && $dbtype !== 'sqlite')
|
||||
? strtolower($dbtype).':'
|
||||
: '';
|
||||
|
||||
// Make sure the class exists
|
||||
if ( ! class_exists($dbtype))
|
||||
{
|
||||
throw new BadDBDriverException('Database driver does not exist, or is not supported');
|
||||
}
|
||||
|
||||
// Set additional PDO options
|
||||
$options = array();
|
||||
|
||||
if (isset($params->options))
|
||||
{
|
||||
$options = (array) $params->options;
|
||||
}
|
||||
|
||||
// --------------------------------------------------------------------------
|
||||
// Attempt to connect
|
||||
// --------------------------------------------------------------------------
|
||||
|
||||
// Create the dsn for the database to connect to
|
||||
if ($dbtype === 'firebird') $dsn = "{$params->host}:{$params->file}";
|
||||
elseif ($dbtype === 'sqlite') $dsn = $params->file;
|
||||
else
|
||||
{
|
||||
if ( ! empty($params->conn_db))
|
||||
{
|
||||
$dsn .= "dbname={$params->conn_db}";
|
||||
}
|
||||
|
||||
if ( ! empty($params->host))
|
||||
{
|
||||
$dsn .= ";host={$params->host}";
|
||||
}
|
||||
|
||||
if ( ! empty($params->port))
|
||||
{
|
||||
$dsn .= ";port={$params->port}";
|
||||
}
|
||||
}
|
||||
|
||||
try
|
||||
{
|
||||
// Create the database connection
|
||||
$db = ( ! empty($params->user))
|
||||
? new $dbtype($dsn, $params->user, $params->pass, $options)
|
||||
: new $dbtype($dsn, '', '', $options);
|
||||
}
|
||||
catch(Exception $e)
|
||||
{
|
||||
throw new BadConnectionException('Connection failed, invalid arguments', 2);
|
||||
}
|
||||
|
||||
// --------------------------------------------------------------------------
|
||||
// Save connection
|
||||
// --------------------------------------------------------------------------
|
||||
|
||||
// Set the table prefix, if it exists
|
||||
if (isset($params->prefix))
|
||||
{
|
||||
$db->table_prefix = $params->prefix;
|
||||
}
|
||||
|
||||
// Create the Query Builder object
|
||||
$conn = new Query_Builder($db, $params);
|
||||
|
||||
// Save it for later
|
||||
if (isset($params->alias))
|
||||
{
|
||||
$connections[$params->alias] = $conn;
|
||||
}
|
||||
else
|
||||
{
|
||||
$connections[] = $conn;
|
||||
}
|
||||
|
||||
// Return the Query Builder object
|
||||
return $conn;
|
||||
// Otherwise, return a new connection
|
||||
return $cmanager->connect($params);
|
||||
}
|
||||
|
||||
// End of common.php
|
||||
@ -35,7 +35,7 @@ class PgTest extends DBTest {
|
||||
$params = json_decode(file_get_contents(QTEST_DIR . "/settings.json"));
|
||||
$params = $params->pgsql;
|
||||
|
||||
$this->db = new PgSQL("pgsql:host={$params->host};dbname={$params->database}", $params->user, $params->pass);
|
||||
$this->db = new PgSQL("pgsql:dbname={$params->database}", $params->user, $params->pass);
|
||||
}
|
||||
elseif (($var = getenv('CI')))
|
||||
{
|
||||
|
||||
Loading…
Reference in New Issue
Block a user