✨ User experience & level

lib/providers/experience.dart

@@ -0,0 +1,51 @@
+import 'package:get/get.dart';
+import 'package:intl/intl.dart';
+
+class ExperienceProvider extends GetxController {
+  static List<int> experienceToLevelRequirements = [
+    0, // Level 0
+    100, // Level 1
+    400, // Level 2
+    900, // Level 3
+    1600, // Level 4
+    2500, // Level 5
+    3600, // Level 6
+    4900, // Level 7
+    6400, // Level 8
+    8100, // Level 9
+    10000, // Level 10
+    12100, // Level 11
+    14400, // Level 12
+    36800 // Level 13
+  ];
+
+  static List<String> levelLabelMapping =
+      List.generate(experienceToLevelRequirements.length, (x) => 'userLevel$x');
+
+  static (int level, String label) getLevelFromExp(int experience) {
+    final exp = experienceToLevelRequirements.reversed
+        .firstWhere((x) => x <= experience);
+    final idx = experienceToLevelRequirements.indexOf(exp);
+    return (idx, levelLabelMapping[idx]);
+  }
+
+  static double calcLevelUpProgress(int experience) {
+    final exp = experienceToLevelRequirements.reversed
+        .firstWhere((x) => x <= experience);
+    final idx = experienceToLevelRequirements.indexOf(exp);
+    if (idx + 1 >= experienceToLevelRequirements.length) return 1;
+    final nextExp = experienceToLevelRequirements[idx + 1];
+    return exp / nextExp;
+  }
+
+  static String calcLevelUpProgressLevel(int experience) {
+    final exp = experienceToLevelRequirements.reversed
+        .firstWhere((x) => x <= experience);
+    final idx = experienceToLevelRequirements.indexOf(exp);
+    if (idx + 1 >= experienceToLevelRequirements.length) return 'Infinity';
+    final nextExp = experienceToLevelRequirements[idx + 1];
+    final formatter =
+        NumberFormat.compactCurrency(symbol: '', decimalDigits: 1);
+    return '${formatter.format(exp)}/${formatter.format(nextExp)}';
+  }
+}