get items name by them symbols

lib/util/get_coin_name_by_symbol.dart

@@ -0,0 +1,11 @@
+String getCoinFullName(String code) {
+  Map<String, String> coinMap = {
+    'GERAMI': 'GRAM COIN',
+    'ROB': 'QUARTER COIN',
+    'NIM': 'HALF COIN',
+    'SEKEB': 'BAHAR COIN',
+    'SEKEE': 'IMAMI COIN',
+  };
+
+  return coinMap[code.toUpperCase()] ?? 'Unknown Coin Code';
+}

lib/util/get_currency_name_by_symbol.dart

@@ -0,0 +1,13 @@
+String getCurrencyFullName(String code) {
+  Map<String, String> currencyMap = {
+    'DOLLAR': 'United States Dollar',
+    'EUR': 'Euro',
+    'AED': 'United Arab Emirates Dirham',
+    'GBP': 'Pound sterling',
+    'TRY': 'Turkish lira',
+    'CAD': 'Canadian Dollar',
+    'AUD': 'Australian Dollar'
+  };
+
+  return currencyMap[code.toUpperCase()] ?? 'Unknown Currency Code';
+}

lib/util/get_gold_name_by_symbol.dart

@@ -0,0 +1,15 @@
+String getGoldFullName(String code) {
+  Map<String, String> goldMap = {
+    'GERAM24': '24K GOLD',
+    'GERAM18': '18K GOLD',
+    'DASTE_DOOM': '2ND CLASS GOLD',
+    'MESGHAL': 'GOLD BULLION',
+    'AB_SHODE': 'MELTED GOLD',
+    'ONS': 'GOLD PRICE PER OUNCE',
+    'SILVER': 'SILVER',
+    'PLATINUM': 'PLATINUM',
+    'PALLADIUM': 'PALLADIUM',
+  };
+
+  return goldMap[code.toUpperCase()] ?? 'Unknown Gold Code';
+}