chore: initial commit Dutra Store POS app

lib/utils/colors.dart

@@ -0,0 +1,26 @@
+import 'package:flutter/material.dart';
+
+const kBackground = Color(0xFF0B1220);
+const kSurface = Color(0xFF141C2E);
+const kSurface2 = Color(0xFF1C2638);
+const kBorder = Color(0xFF2A3650);
+const kText = Color(0xFFE8EEF7);
+const kMuted = Color(0xFF93A1B8);
+const kAccent = Color(0xFFF59E0B);
+const kSuccess = Color(0xFF22C55E);
+const kDanger = Color(0xFFEF4444);
+
+const kRadius = 18.0;
+
+const List<Color> productPalette = [
+  Color(0xFFF59E0B),
+  Color(0xFF22C55E),
+  Color(0xFF3B82F6),
+  Color(0xFFEC4899),
+];
+
+Color productAccent(String name) {
+  if (name.isEmpty) return productPalette.first;
+  final index = name.hashCode.abs() % productPalette.length;
+  return productPalette[index];
+}

lib/utils/format.dart

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+String formatRupiah(double number) {
+  final rounded = number.round();
+  final formatted = rounded
+      .toString()
+      .replaceAllMapped(RegExp(r'\B(?=(\d{3})+(?!\d))'), (m) => '.');
+  return 'Rp $formatted';
+}
+
+String formatTanggal(DateTime date) {
+  const bulan = [
+    'Jan', 'Feb', 'Mar', 'Apr', 'Mei', 'Jun',
+    'Jul', 'Agu', 'Sep', 'Okt', 'Nov', 'Des'
+  ];
+  return '${date.day} ${bulan[date.month - 1]} ${date.year}';
+}
+
+String formatWaktu(DateTime date) {
+  final j = date.hour.toString().padLeft(2, '0');
+  final m = date.minute.toString().padLeft(2, '0');
+  return '$j:$m';
+}
+
+String uid() {
+  return DateTime.now().microsecondsSinceEpoch.toRadixString(36) +
+      (DateTime.now().millisecond).toRadixString(36);
+}

lib/utils/rupiah_input.dart

@@ -0,0 +1,60 @@
+import 'package:flutter/services.dart';
+
+class RupiahInputFormatter extends TextInputFormatter {
+  @override
+  TextEditingValue formatEditUpdate(
+      TextEditingValue oldValue, TextEditingValue newValue) {
+    if (newValue.text.isEmpty) {
+      return newValue;
+    }
+
+    final digits = newValue.text.replaceAll(RegExp(r'[^0-9]'), '');
+    if (digits.isEmpty) {
+      return const TextEditingValue(text: '');
+    }
+
+    final formatted = _formatRupiah(digits);
+
+    int newOffset = formatted.length;
+    if (oldValue.text.isNotEmpty) {
+      final oldLength = oldValue.text.replaceAll(RegExp(r'[^0-9]'), '').length;
+      final newLength = digits.length;
+      final oldCursor = oldValue.selection.baseOffset;
+
+      if (newLength < oldLength) {
+        final digitsBeforeCursor = oldValue.text.substring(0, oldCursor).replaceAll(RegExp(r'[^0-9]'), '').length;
+        newOffset = (digitsBeforeCursor).clamp(0, formatted.length);
+      } else if (oldCursor < oldValue.text.length) {
+        final digitsBeforeCursor = oldValue.text.substring(0, oldCursor).replaceAll(RegExp(r'[^0-9]'), '').length;
+        newOffset = (digitsBeforeCursor).clamp(0, formatted.length);
+      }
+    }
+
+    return TextEditingValue(
+      text: formatted,
+      selection: TextSelection.collapsed(offset: newOffset),
+    );
+  }
+
+  String _formatRupiah(String digits) {
+    final buffer = StringBuffer();
+    final len = digits.length;
+    for (int i = 0; i < len; i++) {
+      if (i > 0 && (len - i) % 3 == 0) {
+        buffer.write('.');
+      }
+      buffer.write(digits[i]);
+    }
+    return buffer.toString();
+  }
+
+  static String formatNumber(int number) {
+    return RupiahInputFormatter()._formatRupiah(number.toString());
+  }
+
+  static int? getRawValue(String formattedText) {
+    final digits = formattedText.replaceAll(RegExp(r'[^0-9]'), '');
+    if (digits.isEmpty) return null;
+    return int.tryParse(digits);
+  }
+}