logic helper functions

app/logic/logger.py

@@ -0,0 +1,17 @@
+from datetime import datetime
+
+class Logger:
+    def __init__(self, log_widget=None, log_file_path="nginx_deploy_gui.log"):
+        self.log_widget = log_widget
+        self.log_file = open(log_file_path, "a")
+
+    def log(self, message):
+        timestamp = datetime.now().strftime("[%Y-%m-%d %H:%M:%S]")
+        full_message = f"{timestamp} {message}\n"
+        if self.log_widget:
+            self.log_widget.append(full_message)
+        self.log_file.write(full_message)
+        self.log_file.flush()
+
+    def close(self):
+        self.log_file.close()