Added Core and test

src/core/Core.php

@@ -0,0 +1,73 @@
+<?php
+namespace core;
+
+use entity\user\UserInterface;
+
+/**
+ *
+ * @author kevinfrantz
+ *        
+ */ 
+final class Core implements CoreInterface
+{
+    const DATABASE_USERNAME = 'devuser';
+    
+    const DATABASE_PASSWORD = 'devpass';
+    
+    const DATABASE_NAME = 'test_db';
+    
+    const DATABASE_PORT = '3306';
+   
+    const DATABASE_HOST = 'codingchallengeonlineshop_db_1';
+    
+    /**
+     * @var \Twig_Environment
+     */
+    private $twig;
+    
+    /**
+     * @var UserInterface
+     */
+    private $user;
+    
+    /**
+     * @var \PDO
+     */
+    private $database;
+    
+    public function __construct(){
+        $this->initTwig();
+        $this->initDatabase();
+    }
+    
+    private function initTwig():void{
+        $loader = new \Twig_Loader_Filesystem(__DIR__.'/../template');
+        $this->twig = new \Twig_Environment($loader);
+    }
+    
+    private function initDatabase():void{
+        $this->database = new \PDO('mysql:host='.self::DATABASE_HOST.';dbname='.self::DATABASE_NAME.';port='.self::DATABASE_PORT, self::DATABASE_USERNAME, self::DATABASE_PASSWORD);
+    }
+    
+    public function getDatabase(): \PDO
+    {
+        return $this->database;
+    }
+
+    public function getTwig(): \Twig_Environment
+    {
+        return $this->twig;
+    }
+
+    public function getUser(): ?UserInterface
+    {
+        return $this->user;
+    }
+    
+    public function setUser(?UserInterface $user = null): void
+    {
+        $this->user = $user;
+    }
+
+}
+