Funktionsverschiebungen 1.1

backend/util/db_config.py

@@ -0,0 +1,61 @@
+# util/db_config.py
+import json
+import os
+import mysql.connector
+from util.logger import logger
+
+CONFIG_PATH = "./config/db_config.json"
+
+def load_config():
+    try:
+        with open(CONFIG_PATH, "r") as f:
+            return json.load(f)
+    except Exception as e:
+        logger.error(f"Failed to load database config: {e}")
+        return None
+
+def save_config(data):
+    try:
+        os.makedirs(os.path.dirname(CONFIG_PATH), exist_ok=True)
+        with open(CONFIG_PATH, "w") as f:
+            json.dump(data, f, indent=2)
+        logger.info("Database config saved.")
+    except Exception as e:
+        logger.error(f"Failed to save database config: {e}")
+
+def test_connection(config):
+    try:
+        conn = mysql.connector.connect(**config)
+        conn.close()
+        logger.info("Database connection successful.")
+        return True
+    except Exception as e:
+        logger.warning(f"Database connection failed: {e}")
+        return False
+
+def initialize_admin_user(config):
+    try:
+        conn = mysql.connector.connect(**config)
+        cursor = conn.cursor()
+
+        cursor.execute("""
+            CREATE TABLE IF NOT EXISTS users (
+                id INT AUTO_INCREMENT PRIMARY KEY,
+                username VARCHAR(50) NOT NULL UNIQUE,
+                password VARCHAR(255) NOT NULL,
+                role VARCHAR(20) NOT NULL
+            )
+        """)
+        cursor.execute("SELECT COUNT(*) FROM users WHERE username = 'admin'")
+        if cursor.fetchone()[0] == 0:
+            from werkzeug.security import generate_password_hash
+            cursor.execute(
+                "INSERT INTO users (username, password, role) VALUES (%s, %s, %s)",
+                ("admin", generate_password_hash("admin"), "admin")
+            )
+            logger.info("Admin user created (username: admin, password: admin)")
+        conn.commit()
+        cursor.close()
+        conn.close()
+    except Exception as e:
+        logger.error(f"Failed to initialize admin user: {e}")