diff --git a/LuminousSales/Business/Business/Interfaces/ISalesController.cs b/LuminousSales/Business/Business/Interfaces/ISalesController.cs
index 1305bfb..b0f726f 100644
--- a/LuminousSales/Business/Business/Interfaces/ISalesController.cs
+++ b/LuminousSales/Business/Business/Interfaces/ISalesController.cs
@@ -8,7 +8,7 @@ namespace Business.Business.Sales
     {
         ICollection<T> GetAll();
         T Get(int id);
-        ICollection<T> GetByTime(DateTime time);
+        ICollection<T> GetByTime(DateTime startTime, DateTime endTime);
         void Add(int productId, double Amount);
         void Add(string productName, double Amount);
         void Delete(int id);
diff --git a/LuminousSales/Business/Business/Sales/DealController.cs b/LuminousSales/Business/Business/Sales/DealController.cs
new file mode 100644
index 0000000..a097c21
--- /dev/null
+++ b/LuminousSales/Business/Business/Sales/DealController.cs
@@ -0,0 +1,94 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using Models;
+using Models.Models;
+
+namespace Business.Business.Sales
+{
+    public class DealController : ISalesController<Deal>
+    {
+        private LuminousContext context = new LuminousContext();
+        private User currentUser;
+        private ProductController productCtrl;
+        public DealController(User currentUser)
+        {
+            this.currentUser = currentUser;
+        }
+        public void Add(int productId, double Amount)
+        {
+            if (Amount > 0)
+            {
+                var deal = new Deal(currentUser.Id, productId, Amount);
+                context.Deal.Add(deal);
+                context.SaveChanges();
+            }
+            else
+            {
+                throw new ArgumentException("Amount cannot be negative");
+            }
+        }
+
+        public void Add(string productName, double Amount)
+        {
+            if (Amount > 0)
+            {
+                productCtrl = new ProductController(currentUser);
+                var productId = productCtrl.Get(productName).Id;
+                var deal = new Deal(currentUser.Id, productId, Amount);
+                context.Deal.Add(deal);
+                context.SaveChanges();
+            }
+
+            else
+            {
+                throw new ArgumentException("Amount cannot be negative");
+            }
+        }
+
+        public void Delete(int id)
+        {
+            if (currentUser.RoleId > 1)
+            {
+                var deal = Get(id);
+                if (deal != null)
+                {
+                    context.Deal.Remove(deal);
+                    context.SaveChanges();
+                }
+                else
+                {
+                    throw new ArgumentException("User not found");
+                }
+
+            }
+            else
+            {
+                throw new ArgumentException("Insufficient role!");
+            }
+        }
+
+        public Deal Get(int id)
+        {
+            return context.Deal.Find(id);
+        }
+
+        public ICollection<Deal> GetAll()
+        {
+            return context.Deal.ToList();
+        }
+
+        public ICollection<Deal> GetByTime(DateTime startTime, DateTime endTime)
+        {
+            if (currentUser.RoleId > 1)
+            {
+                return context.Deal.Where(x => x.Time <= endTime && x.Time >= startTime).ToList();
+            }
+            else
+            {
+                throw new ArgumentException("Insufficient role!");
+            }
+        }
+    }
+}
diff --git a/LuminousSales/Business/Business/Sales/StockController.cs b/LuminousSales/Business/Business/Sales/StockController.cs
index fc8e355..04cc289 100644
--- a/LuminousSales/Business/Business/Sales/StockController.cs
+++ b/LuminousSales/Business/Business/Sales/StockController.cs
@@ -21,22 +21,39 @@ namespace Business.Business.Sales
 
         public ICollection<Stock> GetAll()
         {
-            if (currentUser.RoleId > 1) 
-            return context.Stock.ToList();
-            else throw new InvalidOperationException("Cannot return all stocks!");
+            if (currentUser.RoleId > 1)
+            {
+                return context.Stock.ToList();
+            }
+            else
+            {
+                throw new InvalidOperationException("Cannot return all stocks!");
+            }
              
         }
 
         public Stock Get(int id)
         {
             if (currentUser.RoleId > 1)
-            return context.Stock.Find(id);
-            else throw new InvalidOperationException("Cannot get stock!");
+            {
+                return context.Stock.Find(id);
+            }
+            else
+            {
+                throw new InvalidOperationException("Cannot get stock!");
+            }
         }
 
-        public ICollection<Stock> GetByTime(DateTime time)
+        public ICollection<Stock> GetByTime(DateTime startTime, DateTime endTime)
         {
-            throw new NotImplementedException();
+            if (currentUser.RoleId > 1)
+            {
+                return context.Stock.Where(x => x.Time <= endTime && x.Time >= startTime).ToList();
+            }
+            else
+            {
+                throw new ArgumentException("Insufficient role!");
+            }
         }
 
         public void Add(int productId, double Amount)
@@ -49,29 +66,40 @@ namespace Business.Business.Sales
                     context.Stock.Add(stock);
                     context.SaveChanges();
                 }
-                else throw new ArgumentException("Amount cannot be negative");
-                
+                else
+                {
+                    throw new ArgumentException("Amount cannot be negative");
+                }
+
+            }
+            else
+            {
+                throw new ArgumentException("Insufficient role!");
             }
-            else throw new ArgumentException("Insufficient role!");
         }
 
         public void Add(string productName, double Amount)
         {
             if (currentUser.RoleId > 1)
             {
-               if (Amount > 0)
-                 {
+                if (Amount > 0)
+                {
                     productCtrl = new ProductController(currentUser);
                     var productId = productCtrl.Get(productName).Id;
-                    var stock = new Stock(currentUser.Id, productId , Amount);
+                    var stock = new Stock(currentUser.Id, productId, Amount);
                     context.Stock.Add(stock);
                     context.SaveChanges();
-                 }
-                
-              else throw new ArgumentException("Amount cannot be negative");
-              
+                }
+                else
+                {
+                    throw new ArgumentException("Amount cannot be negative");
+                }
+
+            }
+            else
+            {
+                throw new ArgumentException("Insufficient role!");
             }
-            else throw new ArgumentException("Insufficient role!");
              
         }
 
@@ -85,13 +113,17 @@ namespace Business.Business.Sales
                     context.Stock.Remove(user);
                     context.SaveChanges();
                 }
-                else throw new ArgumentException("User not found");
-                
+                else
+                {
+                    throw new ArgumentException("User not found");
+                }
+
+            }
+            else
+            {
+                throw new ArgumentException("Insufficient role!");
             }
-            else throw new ArgumentException("Insufficient role!");
-             
         }
-   
     }
 
 }