Initial commit

lib/core/extensions/context_extensions.dart

@@ -0,0 +1,35 @@
+import 'package:flutter/material.dart';
+import 'package:trainhub_flutter/core/theme/app_colors.dart';
+
+extension BuildContextExtensions on BuildContext {
+  ThemeData get theme => Theme.of(this);
+  ColorScheme get colors => theme.colorScheme;
+  TextTheme get textTheme => theme.textTheme;
+  MediaQueryData get mediaQuery => MediaQuery.of(this);
+  double get screenWidth => mediaQuery.size.width;
+  double get screenHeight => mediaQuery.size.height;
+
+  void showSnackBar(String message, {bool isError = false}) {
+    ScaffoldMessenger.of(this).showSnackBar(
+      SnackBar(
+        content: Text(message),
+        backgroundColor:
+            isError ? AppColors.destructive : AppColors.surfaceContainer,
+      ),
+    );
+  }
+
+  void showSuccessSnackBar(String message) {
+    ScaffoldMessenger.of(this).showSnackBar(
+      SnackBar(
+        content: Row(
+          children: [
+            const Icon(Icons.check_circle, color: AppColors.success, size: 18),
+            const SizedBox(width: 8),
+            Expanded(child: Text(message)),
+          ],
+        ),
+      ),
+    );
+  }
+}

lib/core/extensions/date_extensions.dart

@@ -0,0 +1,7 @@
+extension DateTimeExtensions on DateTime {
+  String toDisplayDate() {
+    return '${year.toString()}-${month.toString().padLeft(2, '0')}-${day.toString().padLeft(2, '0')}';
+  }
+
+  String toIso() => toIso8601String();
+}

lib/core/extensions/duration_extensions.dart

@@ -0,0 +1,15 @@
+extension DurationExtensions on Duration {
+  String toMmSs() {
+    final int minutes = inMinutes.remainder(60);
+    final int seconds = inSeconds.remainder(60);
+    return '${minutes.toString().padLeft(2, '0')}:${seconds.toString().padLeft(2, '0')}';
+  }
+}
+
+extension IntTimeExtensions on int {
+  String toMmSs() {
+    final int minutes = this ~/ 60;
+    final int seconds = this % 60;
+    return '$minutes:${seconds.toString().padLeft(2, '0')}';
+  }
+}