refactor: deduplicate

lib/utils/snackbar_helper.dart

@@ -0,0 +1,55 @@
+import 'package:flutter/material.dart';
+
+/// Utility functions for showing snackbars throughout the application
+
+/// Shows a standard snackbar with a message
+///
+/// [context] The build context
+/// [message] The message to display
+/// [duration] Optional duration, defaults to 3 seconds
+void showAppSnackBar(
+  BuildContext context,
+  String message, {
+  Duration? duration,
+}) {
+  if (!context.mounted) return;
+
+  ScaffoldMessenger.of(context).showSnackBar(
+    SnackBar(
+      content: Text(message),
+      duration: duration ?? const Duration(seconds: 3),
+    ),
+  );
+}
+
+/// Shows an error snackbar with a message
+///
+/// [context] The build context
+/// [message] The error message to display
+void showErrorSnackBar(BuildContext context, String message) {
+  if (!context.mounted) return;
+
+  ScaffoldMessenger.of(context).showSnackBar(
+    SnackBar(
+      content: Text(message),
+      backgroundColor: Colors.red,
+      duration: const Duration(seconds: 4),
+    ),
+  );
+}
+
+/// Shows a success snackbar with a message
+///
+/// [context] The build context
+/// [message] The success message to display
+void showSuccessSnackBar(BuildContext context, String message) {
+  if (!context.mounted) return;
+
+  ScaffoldMessenger.of(context).showSnackBar(
+    SnackBar(
+      content: Text(message),
+      backgroundColor: Colors.green,
+      duration: const Duration(seconds: 3),
+    ),
+  );
+}