DatabaseInitializer

php/model/DatabaseCommentManager.php

@@ -12,46 +12,15 @@ require_once "Comment.php";
 class DatabaseCommentManager implements CommentManagerDAO
 {
     private static $instance = null;
+    private $dbPath;
 
     /**
      * Erstellt die Kommentartabelle, falls diese noch nicht existiert.
      */
     public function __construct()
     {
-        try {
-            $db = $this->getConnection();
-
-            $db->exec("
-                CREATE TABLE IF NOT EXISTS comments (
-                id INTEGER PRIMARY KEY AUTOINCREMENT,
-                article_id INTEGER NOT NULL,
-                parent_comment_id INTEGER NULL,
-                author TEXT NOT NULL,
-                content TEXT NOT NULL,
-                created TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
-                FOREIGN KEY (article_id) REFERENCES articles(id) ON DELETE CASCADE,
-                FOREIGN KEY (author) REFERENCES users(email) ON DELETE CASCADE,
-                FOREIGN KEY (parent_comment_id) REFERENCES comments(id) ON DELETE CASCADE
-            );
-            ");
-
-            $columns = $db->query("PRAGMA table_info(comments);")->fetchAll(PDO::FETCH_ASSOC);
-            $hasParentColumn = false;
-
-            foreach ($columns as $column) {
-                if ($column["name"] === "parent_comment_id") {
-                    $hasParentColumn = true;
-                    break;
-                }
-            }
-
-            if (!$hasParentColumn) {
-                $db->exec("ALTER TABLE comments ADD COLUMN parent_comment_id INTEGER NULL;");
-            }
-
-        } catch (PDOException $e) {
-            throw new RuntimeException("internal_error");
-        }
+        $this->dbPath = __DIR__ . '/../../db/eduforgeDB.db';
+        DatabaseInitializer::initialize($this->dbPath);
     }
 
     /**
@@ -62,14 +31,10 @@ class DatabaseCommentManager implements CommentManagerDAO
     private function getConnection()
     {
         try {
-            $dsn = 'sqlite:' . __DIR__ . '/../../db/eduforgeDB.db';
-
-            $db = new PDO($dsn, null, null);
+            $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 RuntimeException("internal_error");
         }