Files
pathfinder/app/main/db/database.php

129 lines
3.2 KiB
PHP

<?php
/**
* Created by PhpStorm.
* User: exodus4d
* Date: 30.07.2015
* Time: 15:55
*/
namespace DB;
use Controller;
use controller\LogController;
class Database extends \Prefab {
function __construct($database = 'PF'){
// set database
$this->setDB($database);
}
/**
* set database
* @param string $database
* @return SQL
*/
public function setDB($database = 'PF'){
$f3 = \Base::instance();
// "Hive" Key for DB storage
$dbHiveKey = $this->getDbHiveKey($database);
if($database === 'CCP'){
// CCP DB
$dns = Controller\Controller::getEnvironmentData('DB_CCP_DNS');
$name = Controller\Controller::getEnvironmentData('DB_CCP_NAME');
$user = Controller\Controller::getEnvironmentData('DB_CCP_USER');
$password = Controller\Controller::getEnvironmentData('DB_CCP_PASS');
}else{
// Pathfinder(PF) DB
$dns = Controller\Controller::getEnvironmentData('DB_DNS');
$name = Controller\Controller::getEnvironmentData('DB_NAME');
$user = Controller\Controller::getEnvironmentData('DB_USER');
$password = Controller\Controller::getEnvironmentData('DB_PASS');
}
// check if DB connection already exists
if(
!$f3->exists( $dbHiveKey ) ||
$name !== $f3->get( $dbHiveKey )->name()
){
$db = $this->connect($dns, $name, $user, $password);
if( !is_null($db) ){
// set DB timezone to UTC +00:00 (eve server time)
$db->exec('SET @@session.time_zone = "+00:00";');
// disable innoDB schema (relevant vor MySql 5.5)
// not necessary for MySql > v.5.6
// $db->exec('SET GLOBAL innodb_stats_on_metadata = OFF;');
// store DB object
$f3->set($dbHiveKey, $db);
}
return $db;
}else{
return $f3->get( $dbHiveKey );
}
}
/**
* get database
* @param string $database
* @return mixed|void
*/
public function getDB($database = 'PF'){
$f3 = \Base::instance();
$dbHiveKey = $this->getDbHiveKey($database);
if( $f3->exists( $dbHiveKey ) ){
return $f3->get( $dbHiveKey );
}else{
return $this->setDB($database);
}
}
/**
* get a unique hive key for each DB connection
* @param $database
* @return string
*/
protected function getDbHiveKey($database){
return 'DB_' . $database;
}
/**
* connect to a database
* @param $dns
* @param $name
* @param $user
* @param $password
* @return SQL
*/
protected function connect($dns, $name, $user, $password){
$db = null;
try {
$db = new SQL(
$dns . $name,
$user,
$password,
[
\PDO::MYSQL_ATTR_COMPRESS => TRUE
]
);
}catch(\PDOException $e){
// DB connection error
// -> log it
LogController::getLogger('error')->write($e->getMessage());
}
return $db;
}
}