Initial commit — DLS lab-app Flutter project

2026-06-10 23:22:15 +03:00
commit d1acc1d367
225 changed files with 31294 additions and 0 deletions
@@ -0,0 +1,35 @@
+class CurrencyFormatter {
+  static const _symbols = {
+    'TRY': '₺',
+    'USD': '\$',
+    'EUR': '€',
+    'GBP': '£',
+    'AED': 'د.إ',
+  };
+
+  static const _rtlSymbols = {'AED'};
+
+  static String symbol(String code) => _symbols[code] ?? code;
+
+  static String format(double amount, String currencyCode) {
+    final sym = symbol(currencyCode);
+    final isRtl = _rtlSymbols.contains(currencyCode);
+    final value = _formatNumber(amount);
+    return isRtl ? '$value $sym' : '$sym$value';
+  }
+
+  static String _formatNumber(double amount) {
+    final formatted = amount.toStringAsFixed(2);
+    final parts = formatted.split('.');
+    final intPart = parts[0];
+    final decPart = parts[1];
+    final buf = StringBuffer();
+    final digits = intPart.replaceAll('-', '');
+    final isNeg = intPart.startsWith('-');
+    for (int i = 0; i < digits.length; i++) {
+      if (i > 0 && (digits.length - i) % 3 == 0) buf.write(',');
+      buf.write(digits[i]);
+    }
+    return '${isNeg ? '-' : ''}$buf.$decPart';
+  }
+}