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<?php
/**
*
* @author Christian Doebler <christian.doebler@netways.de>
*
*/
abstract class IcingaApiConnectionDatabase
extends IcingaApiConnection
implements IcingaApiConnectionInterface {
/*
* VARIABLES
*/
private $databaseDsn = false;
public $connectionStatement = false;
/*
* METHODS
*/
/**
* class constructor
*
* @param void
* @return void
* @author Christian Doebler <christian.doebler@netways.de>
*/
public function __construct () {}
/**
* calls initialization method for new search
*
* @param void
* @return mixed search object
* @author Christian Doebler <christian.doebler@netways.de>
*/
abstract public function createSearch ();
/**
* checks the database configuration
*
* @param array $config associative array storing configuration
* @return boolean true if configuration is OK, false on error(s)
* @author Christian Doebler <christian.doebler@netways.de>
*/
public function checkConfig (array $config) {
$configOk = true;
if (!array_key_exists('type', $config)) {
throw new IcingaApiConnectionDatabaseException('Configuration error: No database type defined!');
$configOk = false;
}
if (!array_key_exists('host', $config)) {
throw new IcingaApiConnectionDatabaseException('Configuration error: No database host defined!');
$configOk = false;
}
if (array_key_exists('port', $config)) {
$port = (int)$config['port'];
if ($port < 1 || $port > 65535) {
throw new IcingaApiConnectionDatabaseException('Configuration error: Invalid database port!');
$configOk = false;
}
}
if (!array_key_exists('database', $config)) {
throw new IcingaApiConnectionDatabaseException('Configuration error: No database defined!');
$configOk = false;
}
if (!array_key_exists('user', $config)) {
throw new IcingaApiConnectionDatabaseException('Configuration error: No database user defined!');
$configOk = false;
}
if (!array_key_exists('password', $config)) {
throw new IcingaApiConnectionDatabaseException('Configuration error: No database password defined!');
$configOk = false;
}
$configOkParent = parent::checkConfig($config);
if (!$configOkParent && $configOk) {
$configOk = false;
}
return $configOk;
}
/**
* assembles the database DSN
*
* @param array $config associative array storing database connection settings
* @return mixed DSN string on success otherwise boolean false
* @author Christian Doebler <christian.doebler@netways.de>
*/
public function setConfig (array $config) {
if ($this->databaseDsn === false) {
if (!$this->checkConfig($config)) {
return false;
}
if (!array_key_exists('table_prefix', $config)) {
$config['table_prefix'] = null;
}
$this->config = $config;
if ($this->config['type'] != 'oci') {
$this->databaseDsn = sprintf(
'%s:host=%s;dbname=%s',
$this->config['type'],
$this->config['host'],
$this->config['database']
);
if (array_key_exists('port', $this->config)) {
$this->databaseDsn .= ';port=' . (int)$this->config['port'];
}
} else {
if (array_key_exists('port', $this->config)) {
$dbPort = ':' . $this->config['port'];
} else {
$dbPort = null;
}
$this->databaseDsn = sprintf(
'%s:dbname=//%s%s/%s',
$this->config['type'],
$this->config['host'],
$dbPort,
$this->config['database']
);
}
}
return $this;
}
/**
* connects to database
*
* @param array $config associative array storing database connection settings
* @return IcingaApiConnectionDatabase database object
* @author Christian Doebler <christian.doebler@netways.de>
*/
public function connect () {
if ($this->databaseDsn !== false) {
if (array_key_exists('persistent', $this->config)) {
$connectionAttributes = array (
PDO::ATTR_PERSISTENT => true,
);
} else {
$connectionAttributes = false;
}
try {
if ($connectionAttributes !== false) {
$this->connectionObject = new PDO($this->databaseDsn, $this->config['user'], $this->config['password'], $connectionAttributes);
} else {
$this->connectionObject = new PDO($this->databaseDsn, $this->config['user'], $this->config['password']);
}
} catch (PDOException $e) {
throw new IcingaApiConnectionDatabaseException('Database connection failed: ' . $e->getMessage());
}
}
return $this;
}
/**
* queries database using PDOs
*
* @param string $query query to execute
* @param array $queryParams query parameters to use with query
* @return IcingaApiConnectionDatabase database object
* @author Christian Doebler <christian.doebler@netways.de>
*/
public function query ($query, $queryParams = array()) {
try {
$this->connectionStatement = $this->connectionObject->prepare($query);
} catch (PDOException $e) {
throw new IcingaApiConnectionDatabaseException('Database-query prepare failed: ' . $e->getMessage());
}
if ($this->connectionStatement !== false) {
try {
$this->connectionStatement->execute($queryParams);
} catch (PDOException $e) {
throw new IcingaApiConnectionDatabaseException('Database-query execute failed: ' . $e->getMessage());
}
}
return $this;
}
}
// extend exceptions
class IcingaApiConnectionDatabaseException extends IcingaApiConnectionException {}
?>
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