Rework so employee dont use repos but servies

PointOfSale/Pos.Service/SaleHistoryService.cs

@@ -0,0 +1,74 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using Database.Models;
+using Database.Repository;
+using Pos.Models;
+
+namespace Pos.Service
+{
+    public class SaleHistoryService
+    {
+        private readonly SaleRepository _saleRepository =
+            new SaleRepository();
+
+        public List<ReceiptSummaryModel> Search(
+            DateTime startDate,
+            DateTime endDate)
+        {
+            if (endDate.Date < startDate.Date)
+                throw new ArgumentException(
+                    "Slutdatoen må ikke ligge før startdatoen.");
+
+            List<SaleEntity> sales =
+                _saleRepository.GetByDateRange(startDate, endDate);
+
+            List<ReceiptSummaryModel> receipts =
+                new List<ReceiptSummaryModel>();
+
+            foreach (SaleEntity sale in sales)
+            {
+                decimal total = _saleRepository
+                    .GetSaleLineBySaleId(sale.Id)
+                    .Sum(line => line.Total);
+
+                receipts.Add(new ReceiptSummaryModel
+                {
+                    SaleId = sale.Id,
+                    SaleTime = sale.Time,
+                    Total = total
+                });
+            }
+
+            return receipts;
+        }
+
+        public ReceiptDetailModel GetReceipt(int saleId)
+        {
+            if (saleId <= 0)
+                throw new ArgumentOutOfRangeException(nameof(saleId));
+
+            List<SaleLineEntity> saleLines =
+                _saleRepository.GetSaleLineBySaleId(saleId);
+
+            ReceiptDetailModel receipt = new ReceiptDetailModel
+            {
+                SaleId = saleId
+            };
+
+            foreach (SaleLineEntity saleLine in saleLines)
+            {
+                receipt.Lines.Add(new ReceiptLineModel
+                {
+                    Product = saleLine.Product,
+                    Pieces = saleLine.Pieces,
+                    Price = saleLine.Price,
+                    Total = saleLine.Total
+                });
+            }
+
+            receipt.Total = receipt.Lines.Sum(line => line.Total);
+            return receipt;
+        }
+    }
+}