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<?php |
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namespace Core; |
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use Core\Dependency\Cookie; |
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use Core\Dependency\Request; |
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use Core\Dependency\Response; |
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use Core\Dependency\Session; |
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use PDO; |
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/** |
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* Class Container for dependency injection |
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* we take care of setting our template and database connections |
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* We also call our Request and Session objects for the SuperGlobals access |
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* @package Core |
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* |
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* PHP version 7 |
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*/ |
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class Container |
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{ |
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//used for the model connection |
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/** |
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* @var PDO this is to store the pdo connection. We only need to set once |
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*/ |
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private $dbh = null; |
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/** |
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* @var Dependency\Request object |
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*/ |
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private $request; |
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/** |
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* @var Dependency\Session object |
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*/ |
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private $session; |
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private $response; |
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private $cookie; |
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/** |
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* gets the twig template environment |
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* @return \Twig_Environment |
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*/ |
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public function getTemplate(): \Twig_Environment |
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{ |
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$twigOptions = []; |
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if (!Config::DEV_ENVIRONMENT) { |
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$twigOptions = [ |
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'cache' => dirname(__DIR__) . '/Cache' |
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]; |
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} |
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$loader = new \Twig_Loader_Filesystem(dirname(__DIR__) . '/App/Views'); |
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$twig = new \Twig_Environment($loader, $twigOptions); |
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return $twig; |
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} |
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/** |
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* create the database connection via PDO |
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* @return PDO |
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*/ |
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public function setPdo(): \PDO |
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{ |
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if ($this->dbh) { |
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return $this->dbh; |
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} |
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$dsn = "mysql:host=" . Config::DB_HOST . ";dbname=" . Config::DB_NAME . ";charset=utf8"; //Creating the Data Source name |
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$opt = [ |
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PDO::ATTR_PERSISTENT => true, |
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PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION, |
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PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_OBJ, |
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PDO::MYSQL_ATTR_USE_BUFFERED_QUERY => true |
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]; |
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$this->dbh = new PDO($dsn, Config::DB_USER, Config::DB_PASSWORD, $opt);; |
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return $this->dbh; |
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} |
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/** |
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* Creates the request object if not already present and returns it |
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* @return Dependency\Request|Request |
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*/ |
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public function getRequest(): Dependency\Request |
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{ |
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if (!$this->request) { |
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$this->request = new Request(); |
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} |
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return $this->request; |
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} |
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/** |
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* Creates the response object if not already present and returns it |
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* @return Response |
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*/ |
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public function getResponse(): Dependency\Response |
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{ |
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if (!$this->response) { |
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$this->response = new Response(); |
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} |
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return $this->response; |
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} |
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/** |
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* Creates the session object if not already present and returns it |
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* @return Dependency\Session|session |
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*/ |
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public function getSession(): Dependency\Session |
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{ |
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if (!$this->session) { |
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$this->session = new Session(); |
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} |
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return $this->session; |
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} |
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/** |
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* @return Cookie |
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*/ |
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public function getCookie(): Dependency\Cookie |
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{ |
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if(!$this->cookie){ |
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$this->cookie = new Cookie(); |
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} |
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return $this->cookie; |
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} |
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} |
Starbugstone /
blogoc
