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