first commit

2026-09-28 11:44:26 +05:30
parent 721743ae6b
commit bffc9b1686
424 changed files with 46474 additions and 0 deletions
@@ -0,0 +1,19 @@
+namespace Fitness_core_BE.Domain
+{
+    public static class DiscountCalculator
+    {
+        public static decimal ComputeDiscountAmount(decimal subtotal, string? discountType, decimal? discountValue)
+        {
+            if (string.IsNullOrEmpty(discountType) || discountValue is not decimal value || value <= 0 || subtotal <= 0)
+                return 0m;
+
+            var discount = discountType switch
+            {
+                "Percentage" => subtotal * Math.Clamp(value, 0m, 100m) / 100m,
+                "Flat" => Math.Clamp(value, 0m, subtotal),
+                _ => 0m
+            };
+            return Math.Round(discount, 2);
+        }
+    }
+}