Move logic out the the class libs

PointOfSale/Pos.Models/Json/SaleOfDayModel.cs

@@ -0,0 +1,19 @@
+using System;
+using System.Collections.Generic;
+
+namespace Pos.Json
+{
+    public class SaleOfDayModel
+    {
+        public DateTime Date { get; set; }
+        public int TotalCustomers { get; set; }
+        public decimal TotalSale { get; set; }
+        public List<SaleOfDayDetail> SaleOfDayDetail { get; set; } = new List<SaleOfDayDetail>();
+    }
+
+    public class SaleOfDayDetail
+    {
+        public string Category { get; set; } = string.Empty;
+        public decimal TotalSale { get; set; }
+    }
+}