Merge branch 'Datenbanken_zusammenfuehren' into dev

php/model/DatabaseArticleManager.php

@@ -1,4 +1,5 @@
 <?php
+require_once 'DatabaseInitializer.php';
 require_once 'ArticleManagerDAO.php';
 require_once 'Article.php';
 /**
@@ -9,60 +10,35 @@ require_once 'Article.php';
 class DatabaseArticleManager implements ArticleManagerDAO {
 
     private static $instance = null;
+    private $dbPath;
 
     /**
      * Konstruktor
      *
      * Erstellt die Datenbankverbindung und die Tabelle articles.
-     * @throws InternalServerErrorException
+     * @throws RuntimeException
      */
     public function __construct()
     {
-        if (!file_exists(__DIR__ . '/../../db/articles.db')) {
-            try {
-
-                $db = $this->getConnection();
-
-                // Tabelle für Beiträge
-                $db->exec("
-                    CREATE TABLE articles (
-                        id INTEGER PRIMARY KEY AUTOINCREMENT,
-                        title TEXT,
-                        content TEXT,
-                        author TEXT,
-                        category TEXT,
-                        tags TEXT,
-                        created TIMESTAMP DEFAULT CURRENT_TIMESTAMP
-                    );");
-
-                // Tabelle für Likes
-                $db->exec("
-                CREATE TABLE likes (
-                    article_id INTEGER,
-                    user_id TEXT,
-                    PRIMARY KEY (article_id, user_id),
-                    FOREIGN KEY (article_id) REFERENCES articles(id) ON DELETE CASCADE
-                );");
-                unset($db);
-            } catch (PDOException $e) {
-                throw new InternalServerErrorException($e->getMessage());
-            }
-        }
+        $this->dbPath = __DIR__ . '/../../db/eduforgeDB.db';
+        DatabaseInitializer::initialize($this->dbPath);
     }
 
     /**
      * Baut die Verbindung zur Datenbank auf.
-     * @throws InternalServerErrorException
+     *
+     * @return PDO Datenbankverbindung
+     * @throws RuntimeException
      */
     private function getConnection()
     {
         try {
-            $user = 'root';
-            $pw = null;
-            $dsn = 'sqlite:' . __DIR__ . '/../../db/articles.db';
-            return new PDO($dsn, $user, $pw);
+            $db = new PDO('sqlite:' . $this->dbPath, null, null);
+            $db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
+            $db->exec('PRAGMA foreign_keys = ON;');
+            return $db;
         } catch (PDOException $e) {
-            throw new InternalServerErrorException($e->getMessage());
+            throw new RuntimeException("internal_error");
         }
     }