Convert into MVC and optimize the code

app/service/logger.py

@@ -0,0 +1,17 @@
+import os
+from flask import current_app
+from datetime import datetime
+
+
+def log_activity(user, action, details=""):
+    try:
+        log_file = os.path.join(current_app.root_path, "activity.log")
+        timestamp = datetime.now().strftime("%Y-%m-%d %H:%M:%S")
+
+        with open(log_file, "a") as f:
+            f.write(
+                f"Timestamp: {timestamp} | User: {user} | "
+                f"Action: {action} | Details: {details}\n"
+            )
+    except Exception as e:
+        print(f"Logging failed: {e}")