Moved SaleForm code to Controller, have to put Exception handlers for PermissionException

Tanshu.Accounts.Contracts/Roles.cs

@@ -9,10 +9,19 @@ namespace Tanshu.Accounts.Contracts
     {
         public const string SALES_CHECKOUT = "Sales/Checkout";
         public const string SALES_SALES_BILL = "Sales/SalesBill";
-        public const string SECURITY_MANAGE_ROLES = "Security/ManageRoles";
         public const string SALES_SALE_DETAIL = "Sales/SaleDetail";
+        public const string SALES_VOID_BILL = "Sales/VoidPrintedBill";
+        public const string SALES_EDIT_BILL = "Sales/EditBill";
+        public const string SALES_PRINT_KOT = "Sales/PrintKOT";
+        public const string SALES_PRINT_BILL = "Sales/PrintBill";
+        public const string SALES_CHANGE_RATE = "Sales/ChangeRate";
+        public const string SALES_EDIT_PRINTED_PRODUCT = "Sales/EditPrintedProduct";
+
         public const string MASTER_PRODUCTS = "Master/Products";
+
+        public const string SECURITY_MANAGE_ROLES = "Security/ManageRoles";
         public const string LOG_VIEW = "Log/View";
         public const string MASTER_OWNER = "Master/Owner";
+
     }
 }

Tanshu.Accounts.PointOfSale/Authentication/PermissionException.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace Tanshu.Accounts.PointOfSale
+{
+    public class PermissionException : Exception 
+    {
+        public PermissionException(string message)
+            : base(message)
+        {
+        }
+        
+    }
+}

Tanshu.Accounts.PointOfSale/Controllers/BillController.cs

@@ -0,0 +1,443 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using Tanshu.Accounts.BI;
+using Tanshu.Accounts.Helpers;
+using Tanshu.Accounts.Contracts;
+using System.Windows.Forms;
+using Tanshu.Common;
+
+namespace Tanshu.Accounts.PointOfSale
+{
+    public class BillController
+    {
+        private SaleVoucherBO billInfo;
+        private Dictionary<BillItemKey, SalesBillItemBO> bill = new Dictionary<BillItemKey, SalesBillItemBO>();
+        Guid? newBillID;
+
+        ISaleForm saleForm;
+        private CustomerBO customer = new CustomerBI().GetCustomer(new Guid("F016CBAD-206C-42C0-BB1D-6006CE57BAB5"));
+        public void InitGui(ISaleForm saleForm)
+        {
+            this.saleForm = saleForm;
+            this.saleForm.SetCustomerDisplay(customer.Name);
+            this.saleForm.SetUserName(Session.User.Name);
+
+        }
+        private void InitComponents()
+        {
+            InitModel();
+            InitView();
+        }
+
+        private void InitView()
+        {
+            throw new NotImplementedException();
+        }
+
+        private void InitModel()
+        {
+            throw new NotImplementedException();
+        }
+        public void AddProductToGrid(Guid productID, BindingSource bindingSource)
+        {
+            BillHelperFunctions.AddProductToGrid(productID, bindingSource, bill);
+            ShowAmount();
+        }
+        public void ShowCustomerList(bool reset)
+        {
+            if ((customer.CustomerID == new Guid("F016CBAD-206C-42C0-BB1D-6006CE57BAB5")) && (!reset))
+            {
+                using (SelectCustomer selectCustomer = new SelectCustomer(new CustomerBI().GetFilteredCustomers, true))
+                {
+                    selectCustomer.customerEvent += new CustomerEventHandler(selectCustomer_customerEvent);
+                    selectCustomer.ShowDialog();
+                    if (selectCustomer.SelectedItem != null)
+                    {
+                        customer = selectCustomer.SelectedItem;
+                        saleForm.SetCustomerDisplay(customer.Name);
+                    }
+                    else
+                    {
+                        customer = new CustomerBI().GetCustomer(new Guid("F016CBAD-206C-42C0-BB1D-6006CE57BAB5"));
+                    }
+                }
+            }
+            else
+            {
+                customer = new CustomerBI().GetCustomer(new Guid("F016CBAD-206C-42C0-BB1D-6006CE57BAB5"));
+                saleForm.SetCustomerDisplay(customer.Name);
+            }
+        }
+
+        #region Save
+        //    if (btnWaiter.Tag == null)
+        //btnWaiter.Tag = new WaiterBI().GetWaiters()[0].WaiterID;
+
+        public void Save(bool print, Guid waiterID, string tableID)
+        {
+            using (RoleBI roleBI = RoleFactoryBI.GetRoleBI(Roles.SALES_EDIT_BILL))
+            {
+                if ((billInfo != null) && (new SaleVoucherBI().IsBillPrinted(billInfo.VoucherID)) && (!roleBI.IsAllowed))
+                {
+                    throw new PermissionException("You do not have the permission to reprint a bill.");
+                }
+            }
+            if (bill.Count != 0)
+            {
+                Guid? saved;
+                if (billInfo == null)
+                    saved = AddNewSale(print, waiterID, tableID);
+                else
+                    saved = UpdateSale(print, waiterID, tableID);
+                if (saved.HasValue)
+                {
+                    if (newBillID.HasValue)
+                        saleForm.CloseWindow();
+                    else
+                        PrintBill(print, saved.Value);
+                }
+                ClearBill();
+            }
+        }
+        private Guid? AddNewSale(bool finalBill, Guid waiterID, string tableID)
+        {
+            if (billInfo != null)
+            {
+                MessageBox.Show("Error in AddNewSale, there is a previous sale in memory", "Error");
+                return null;
+            }
+
+
+            #region SaleVoucher
+            UserBO user = Session.User;
+            SaleVoucherBO saleVoucher = new SaleVoucherBO
+            {
+                CustomerID = customer.CustomerID,
+                Paid = false,
+                //Paid = finalBill,
+                TableID = tableID,
+                WaiterID = waiterID,
+                Printed = finalBill,
+                Void = false,
+                Date = DateTime.Now,
+                Narration = "",
+                Ref = "",
+                Type = 'S',
+                UserID = user.UserID
+            };
+            #endregion
+            #region Inventories
+            List<InventoryBO> iList = new SaleVoucherBI().SaleInventory(bill.Values, null);
+            #endregion
+            new SaleVoucherBI().Insert(saleVoucher, iList);
+            return saleVoucher.VoucherID;
+
+        }
+        private Guid? UpdateSale(bool finalBill, Guid waiterID, string tableID)
+        {
+            UserBO user = Session.User;
+            #region Voucher and SaleVoucher
+            SaleVoucherBO saleVoucher = new SaleVoucherBO
+            {
+                VoucherID = billInfo.VoucherID,
+                timestamp = (byte[])billInfo.timestamp,
+                UserID = billInfo.UserID,
+                Date = billInfo.Date,
+                CreationDate = DateTime.Now,
+                LastEditDate = DateTime.Now,
+                Narration = billInfo.Narration,
+                Ref = "",
+                Type = 'S',
+                Alarm = billInfo.Alarm,
+                BillID = billInfo.BillID,
+                CustomerID = customer.CustomerID,
+                KotID = billInfo.KotID,
+                Paid = billInfo.Paid,
+                Printed = billInfo.Printed || finalBill,
+                TableID = tableID,
+                Void = billInfo.Void,
+                VoidReason = billInfo.VoidReason,
+                WaiterID = waiterID,
+                SaleTimestamp = (byte[])billInfo.SaleTimestamp
+            };
+            if ((!billInfo.Printed) && finalBill)
+                saleVoucher.Date = null;
+            #endregion
+            #region Inventory
+            List<InventoryBO> iList = new SaleVoucherBI().SaleInventory(bill.Values, billInfo.VoucherID);
+            #endregion
+            new SaleVoucherBI().Update(saleVoucher, iList);
+            return saleVoucher.VoucherID;
+        }
+        #endregion
+        public void VoidBill()
+        {
+            if (billInfo != null)
+            {
+                if (billInfo.Printed)
+                {
+                    using (RoleBI roleBI = RoleFactoryBI.GetRoleBI(Roles.SALES_VOID_BILL))
+                    {
+                        if (roleBI.IsAllowed)
+                        {
+
+                            if (MessageBox.Show("Are you sure you want to void this bill?", "Void Bill", MessageBoxButtons.YesNo, MessageBoxIcon.Question, MessageBoxDefaultButton.Button2) == DialogResult.Yes)
+                            {
+                                SelectVoidReason voidReason = new SelectVoidReason(GetVoidReason, true);
+                                voidReason.ShowDialog();
+                                if (voidReason.SelectedItem != null)
+                                {
+                                    new SaleVoucherBI().VoidBill(billInfo.VoucherID, voidReason.SelectedItem.Description);
+                                    ClearBill();
+                                }
+                                else
+                                {
+                                    MessageBox.Show("Please Select a reason if you want to void the bill", "Bill NOT Voided", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);
+                                }
+                            }
+                        }
+                        else
+                            throw new PermissionException("You do not have the permission to void a bill.");
+                    }
+                }
+            }
+        }
+        CustomerBO selectCustomer_customerEvent(object sender, CustomerEventArgs e)
+        {
+            using (CustomersForm form = new CustomersForm(e.CustomerID, e.Phone))
+            {
+                form.ShowDialog();
+                return form.Customer;
+            }
+        }
+        private void PrintBill(bool finalBill, Guid voucherID)
+        {
+            using (RoleBI roleBI = RoleFactoryBI.GetRoleBI(Roles.SALES_PRINT_KOT))
+                if (!roleBI.IsAllowed)
+                    throw new PermissionException("You are not allowed to print KOT");
+
+            if (!finalBill)
+                Accounts.Print.Thermal.PrintWaiterKot("KOT", voucherID, bill.Values.ToList());
+            else
+            {
+                using (RoleBI roleBI = RoleFactoryBI.GetRoleBI(Roles.SALES_PRINT_BILL))
+                {
+                    if (roleBI.IsAllowed)
+                    {
+                        Accounts.Print.Thermal.PrintBill(Session.printer(), true, voucherID, bill.Values.ToList());
+                        Accounts.Print.Thermal.PrintCustomerKot("KOT", voucherID, bill.Values.ToList());
+
+                    }
+                    else
+                        throw new PermissionException("You are not allowed to print KOT");
+                }
+            }
+        }
+
+        private List<StringType> GetVoidReason(Dictionary<string, string> filter)
+        {
+            List<StringType> list = new List<StringType>();
+            list.Add(new StringType("Discount"));
+            list.Add(new StringType("Printing Fault"));
+            list.Add(new StringType("Item Changed"));
+            list.Add(new StringType("Quantity Reduced"));
+            list.Add(new StringType("Costing Bill for Party"));
+            list.Add(new StringType("Cashier Mistake"));
+            list.Add(new StringType("Management Freesale"));
+            list.Add(new StringType("Other"));
+            return list.Where(i => i.Description.ToLower().Contains(filter["Name"].ToLower().Trim())).ToList();
+        }
+        public void SetNewBillID(Guid voucherID)
+        {
+            this.newBillID = voucherID;
+        }
+        public SalesBillItemBO CurrentProduct(int index)
+        {
+            if ((index != -1) && (index < bill.Count))
+                return bill.ElementAt(index).Value;
+            else
+                return null;
+
+            //if (dgvProducts.Rows.Count == 0)
+            //    return null;
+            //SalesBillItemBO product = bill.ElementAt(dgvProducts.CurrentRow.Index).Value;
+            //return product;
+        }
+        private void ShowAmount()
+        {
+            decimal grossTax = bill.Values.Sum(b => b.TaxAmount);
+            decimal discount = bill.Values.Sum(b => b.DiscountAmount);
+            decimal grossAmount = bill.Values.Sum(b => b.GrossAmount);
+            decimal amount = bill.Values.Sum(b => b.Value);
+            //bill.Values.ToList();
+            saleForm.ShowAmount(grossTax, discount, grossAmount, amount, bill.Values.ToList());
+        }
+        public void SetDiscount(SalesBillItemBO product, decimal discount)
+        {
+            if (product == null)
+                return;
+            BillHelperFunctions.SetDiscount(product.productID, discount, customer, bill);
+            ShowAmount();
+        }
+        public void SetAmount(SalesBillItemBO product, BindingSource bindingSource, decimal amount)
+        {
+            if (product == null)
+                return;
+            BillHelperFunctions.SetAmount(product, amount, bindingSource, bill);
+            ShowAmount();
+        }
+        public bool ProductRemove(SalesBillItemBO product)
+        {
+            if (product == null)
+                return false;
+            if (product.Printed > 0)
+            {
+                using (RoleBI roleBI = RoleFactoryBI.GetRoleBI(Roles.SALES_EDIT_PRINTED_PRODUCT))
+                {
+                    if (roleBI.IsAllowed)
+                    {
+                        if (MessageBox.Show(string.Format("Already {0} items have been printed.\n\rAre you sure you want to delete this item?", product.Printed), "Delete", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.No)
+                            return false;
+                        //If BillList(Location).Printed <> 0 Then ItemsDeleted.Add("Deleted " & BillList(Location).Printed & " " & BillList(Location).Name & " from Bill No " & mBillNo)
+                        bill.Remove(new BillItemKey(product.productID, product.Printed == 0));
+                        ShowAmount();
+                    }
+                    else
+                        throw new PermissionException("You are not allowed to delete already printed products");
+                    return true;
+                }
+            }
+            return false;
+        }
+        public void SetQuantity(SalesBillItemBO product, BindingSource bindingSource, decimal quantity, bool absolute, bool prompt)
+        {
+            if (product == null)
+                return;
+            BillHelperFunctions.SetQuantity(product, quantity, absolute, prompt, bindingSource, bill);
+            ShowAmount();
+        }
+
+        public void ChangeRate(int index)
+        {
+            using (RoleBI roleBI = RoleFactoryBI.GetRoleBI(Roles.SALES_CHANGE_RATE))
+            {
+                if (roleBI.IsAllowed)
+                {
+                    SalesBillItemBO product = bill.ElementAt(index).Value;
+                    decimal rate = 0;
+                    InputBoxResult result = InputBox.Show("Enter Rate", "Rate", product.Price.ToString(), InputBox_Validating);
+                    if (result.OK)
+                        rate = Convert.ToDecimal(result.Text);
+                    if (rate != 0)
+                    {
+                        BillHelperFunctions.SetRate(product.productID, rate, bill);
+                        ShowAmount();
+                    }
+                }
+                else
+                    throw new PermissionException("You do not have permission to Change the Rate");
+
+            }
+        }
+        private void InputBox_Validating(object sender, InputBoxValidatingArgs e)
+        {
+        }
+        private void LoadBill(Guid voucherID)
+        {
+            ClearBill();
+            List<InventoryDisplayBO> iList = new List<InventoryDisplayBO>();
+            new SaleVoucherBI().GetSaleVoucher(voucherID, ref billInfo, ref iList);
+
+            this.customer = new CustomerBI().GetCustomer(billInfo.CustomerID);
+            saleForm.ShowInfo(billInfo.BillID, billInfo.KotID, billInfo.CreationDate, billInfo.Date.Value, billInfo.LastEditDate, customer.Name, billInfo.TableID, billInfo.WaiterID, new WaiterBI().GetWaiter(billInfo.WaiterID).Name);
+
+            foreach (InventoryDisplayBO inventory in iList)
+            {
+                if (inventory.ComplexProductID.HasValue)
+                {
+                    BillItemKey key = new BillItemKey(inventory.ComplexProductID.Value, inventory.Quantity == 0);
+                    if (!bill.ContainsKey(key))
+                    {
+                        decimal rate = 0, quantity = 0;
+                        string name = "";
+                        new SaleVoucherBI().GetComplexBillInformation(voucherID, inventory.ComplexProductID.Value, ref rate, ref quantity, ref name);
+                        bill.Add(key, new SalesBillItemBO
+                        {
+                            productID = inventory.ComplexProductID.Value,
+                            Discount = inventory.Discount,
+                            Name = name,
+                            Price = rate,
+                            Printed = quantity,
+                            Quantity = quantity,
+                            Tax = inventory.Tax,
+                        });
+
+                    }
+                }
+                else
+                {
+                    BillItemKey key = new BillItemKey(inventory.ProductID, inventory.Quantity == 0);
+                    bill.Add(key, new SalesBillItemBO
+                    {
+                        productID = inventory.ProductID,
+                        Discount = inventory.Discount,
+                        Name = inventory.ProductName,
+                        Price = inventory.Rate,
+                        Printed = inventory.Quantity,
+                        Quantity = inventory.Quantity,
+                        Tax = inventory.Tax,
+                    });
+                }
+            }
+            ShowAmount();
+
+        }
+        public void LoadBillFromTable()
+        {
+            InputBoxResult result = InputBox.Show("Enter Table Number", "Table", "0", InputBox_Validating);
+            if (result.OK)
+            {
+                string tableID = result.Text.Trim();
+                if ((tableID != "C") && (tableID != "") && (!tableID.Contains(".")))
+                {
+                    Guid? tID = new SaleVoucherBI().GetPendingVoucherID(tableID);
+                    if (tID.HasValue)
+                    {
+                        LoadBill(tID.Value);
+                    }
+                }
+                else
+                    ClearBill();
+            }
+        }
+
+        public void CancelBillChanges()
+        {
+            if (bill.Count != 0)
+                if (MessageBox.Show("Cancel current bill?", "Cancel bill", MessageBoxButtons.YesNo, MessageBoxIcon.Question, MessageBoxDefaultButton.Button2) == DialogResult.No)
+                    return;
+            ClearBill();
+
+        }
+        public void ClearBill()
+        {
+            billInfo = null;
+            ShowCustomerList(true);
+            bill.Clear();
+            saleForm.ClearBill(bill);
+        }
+        public void FormLoad()
+        {
+            if (newBillID.HasValue)
+            {
+                LoadBill(newBillID.Value);
+            }
+
+        }
+    }
+}
+// How to load a bill
+//LoadBill(((PendingBillsBO)bsPending.Current).voucherID);
+//               ChangeFormState(SaleFormState.Billing);

Tanshu.Accounts.PointOfSale/Controllers/DisplayController.cs

@@ -0,0 +1,31 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace Tanshu.Accounts.PointOfSale
+{
+    public class DisplayController
+    {
+        ISaleForm saleForm;
+        public void InitGui(ISaleForm saleForm)
+        {
+            this.saleForm = saleForm;
+        }
+        private void InitComponents()
+        {
+            InitModel();
+            InitView();
+        }
+
+        private void InitView()
+        {
+            throw new NotImplementedException();
+        }
+
+        private void InitModel()
+        {
+            throw new NotImplementedException();
+        }
+    }
+}

Tanshu.Accounts.PointOfSale/Controllers/ISaleForm.cs

@@ -0,0 +1,18 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using Tanshu.Accounts.Contracts;
+
+namespace Tanshu.Accounts.PointOfSale
+{
+    public interface ISaleForm
+    {
+        void ClearBill(Dictionary<BillItemKey, SalesBillItemBO> bill);
+        void SetCustomerDisplay(string name);
+        void CloseWindow();
+        void ShowAmount(decimal grossTax, decimal discount, decimal grossAmount, decimal amount, List<SalesBillItemBO> bill);
+        void ShowInfo(string billID, string kotID, DateTime creationDate, DateTime date, DateTime lastEditDate, string customer, string tableID, Guid waiterID, string waiter);
+        void SetUserName(string name);
+    }
+}

Tanshu.Accounts.PointOfSale/MainForm.cs

@@ -227,7 +227,7 @@ namespace Tanshu.Accounts.PointOfSale
                 if (roleBI.IsAllowed)
                 {
                     new ProductBI().UpdateShortName();
-                    using (SalesForm frmSale = new SalesForm())
+                    using (SalesForm frmSale = new SalesForm(new BillController()))
                         frmSale.ShowDialog();
                 }
             }

Tanshu.Accounts.PointOfSale/Sales/SalesForm.cs

@@ -13,33 +13,31 @@ using Tanshu.Common;
 
 namespace Tanshu.Accounts.PointOfSale
 {
-    public partial class SalesForm : Form
+    public partial class SalesForm : Form, ISaleForm
     {
+        BillController billController;
         List<Button> buttonList = new List<Button>();
         List<Button> buttonHeads = new List<Button>();
         int page = 0;
         int pageSize = 6;
-        #region Billing
+        
-        private Dictionary<BillItemKey, SalesBillItemBO> bill = new Dictionary<BillItemKey, SalesBillItemBO>();
+        public SalesForm(BillController billController)
-        private CustomerBO customer = new CustomerBI().GetCustomer(new Guid("F016CBAD-206C-42C0-BB1D-6006CE57BAB5"));
-        #endregion
-        private SaleVoucherBO billInfo;
-        object lockObject = new object();
-        Guid? newBillID;
-
-        public SalesForm()
         {
             InitializeComponent();
-            btnCustomer.Text = customer.Name;
+            this.billController = billController;
-            this.Text = Session.User.Name;
+            billController.InitGui(this);
         }
 
-        public SalesForm(Guid voucherID)
+        public SalesForm(Guid voucherID, BillController billController)
-            : this()
+            : this(billController)
         {
-            newBillID = voucherID;
+            billController.SetNewBillID(voucherID);
         }
 
+        public void SetUserName(string name)
+        {
+            this.Text = name;
+        }
         private void SalesForm_KeyDown(object sender, KeyEventArgs e)
         {
             switch (e.KeyCode)
@@ -47,7 +45,7 @@ namespace Tanshu.Accounts.PointOfSale
                 case Keys.F2:
                     {
                         if (dgvProducts.Rows.Count > 0)
-                            SetQuantity(CurrentProduct, 0, false, true);
+                            billController.SetQuantity(billController.CurrentProduct(dgvProducts.CurrentRow.Index), bindingSource, 0, false, true);
                         break;
                     }
                 case Keys.F3:
@@ -58,7 +56,7 @@ namespace Tanshu.Accounts.PointOfSale
                 case Keys.F4:
                     {
                         if (!e.Alt)
-                            ShowCustomerList(false);
+                            billController.ShowCustomerList(false);
                         break;
                     }
                 case Keys.F5:
@@ -72,19 +70,19 @@ namespace Tanshu.Accounts.PointOfSale
                         {
                             selectProduct.ShowDialog();
                             if (selectProduct.SelectedItem != null)
-                                AddProductToGrid(selectProduct.SelectedItem.ProductID);
+                                billController.AddProductToGrid(selectProduct.SelectedItem.ProductID, bindingSource);
                         }
                         break;
                     }
                 case Keys.F8:
                     {
-                        LoadBillFromTable();
+                        billController.LoadBillFromTable();
                         break;
                     }
                 case Keys.F9:
                     {
                         if (dgvProducts.Rows.Count > 0)
-                            SetAmount(CurrentProduct, -1);
+                            billController.SetAmount(billController.CurrentProduct(dgvProducts.CurrentRow.Index), bindingSource, -1);
                         break;
                     }
                 case Keys.F11:
@@ -100,19 +98,19 @@ namespace Tanshu.Accounts.PointOfSale
                 case Keys.Delete:
                     {
                         if (dgvProducts.Rows.Count > 0)
-                            ProductRemove(CurrentProduct);
+                            billController.ProductRemove(billController.CurrentProduct(dgvProducts.CurrentRow.Index));
                         break;
                     }
                 case Keys.Add:
                     {
                         if (dgvProducts.Rows.Count > 0)
-                            SetQuantity(CurrentProduct, 1, false, false);
+                            billController.SetQuantity(billController.CurrentProduct(dgvProducts.CurrentRow.Index), bindingSource, 1, false, false);
                         break;
                     }
                 case Keys.Subtract:
                     {
                         if (dgvProducts.Rows.Count > 0)
-                            SetQuantity(CurrentProduct, -1, false, false);
+                            billController.SetQuantity(billController.CurrentProduct(dgvProducts.CurrentRow.Index), bindingSource, -1, false, false);
                         break;
                     }
                 case Keys.Up:
@@ -129,20 +127,15 @@ namespace Tanshu.Accounts.PointOfSale
                     }
                 case Keys.Escape:
                     {
-                        if (bill.Count != 0)
+                        billController.CancelBillChanges();
-                            if (MessageBox.Show("Cancel current bill?", "Cancel bill", MessageBoxButtons.YesNo, MessageBoxIcon.Question, MessageBoxDefaultButton.Button2) == DialogResult.No)
-                                return;
-                        ClearBill();
                         break;
                     }
             }
         }
 
         #region Helper Functions
-        private void ClearBill()
+        public void ClearBill(Dictionary<BillItemKey, SalesBillItemBO> bill)
         {
-            ShowCustomerList(true);
-            this.billInfo = null;
             this.txtBillID.Text = "";
             this.txtKotID.Text = "";
             this.txtCreationDate.Text = "";
@@ -155,59 +148,7 @@ namespace Tanshu.Accounts.PointOfSale
             txtDiscount.Text = "0.00";
             txtGrossAmount.Text = "0.00";
             txtAmount.Text = "0.00";
-            bill.Clear();
             bindingSource.DataSource = bill.Values;
-            ChangeFormState(SaleFormState.Waiting);
-        }
-        private void AddProductToGrid(Guid productID)
-        {
-            BillHelperFunctions.AddProductToGrid(productID, bindingSource, bill);
-            calculateAmount();
-        }
-
-        private void SetQuantity(SalesBillItemBO product, decimal quantity, bool absolute, bool prompt)
-        {
-            if (product == null)
-                return;
-            BillHelperFunctions.SetQuantity(product, quantity, absolute, prompt, bindingSource, bill);
-            calculateAmount();
-        }
-        private void SetAmount(SalesBillItemBO product, decimal amount)
-        {
-            if (product == null)
-                return;
-            BillHelperFunctions.SetAmount(product, amount, bindingSource, bill);
-            calculateAmount();
-        }
-        private void SetDiscount(SalesBillItemBO product, decimal discount)
-        {
-            if (product == null)
-                return;
-            BillHelperFunctions.SetDiscount(product.productID, discount, customer, bill);
-            calculateAmount();
-            return;
-        }
-        private bool ProductRemove(SalesBillItemBO product)
-        {
-            if (product == null)
-                return false;
-            if (product.Printed > 0)
-            {
-                if (!Thread.CurrentPrincipal.IsInRole("Sales/EditPrintedProduct"))
-                {
-                    MessageBox.Show("You are not allowed to delete already printed products");
-                    return false;
-                }
-                if (MessageBox.Show(string.Format("Already {0} items have been printed.\n\rAre you sure you want to delete this item?", product.Printed), "Delete", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.No)
-                    return false;
-                //If BillList(Location).Printed <> 0 Then ItemsDeleted.Add("Deleted " & BillList(Location).Printed & " " & BillList(Location).Name & " from Bill No " & mBillNo)
-            }
-            bill.Remove(new BillItemKey(product.productID, product.Printed == 0));
-            calculateAmount();
-            return true;
-        }
-        private void InputBox_Validating(object sender, InputBoxValidatingArgs e)
-        {
         }
 
         private void productTypeButton_Click(object sender, EventArgs e)
@@ -224,7 +165,7 @@ namespace Tanshu.Accounts.PointOfSale
             if (button == null)
                 return;
             Guid tag = (Guid)button.Tag;
-            AddProductToGrid(tag);
+            billController.AddProductToGrid(tag, bindingSource);
         }
         private void tableButton_Click(object sender, EventArgs e)
         {
@@ -233,458 +174,106 @@ namespace Tanshu.Accounts.PointOfSale
                 return;
             int tag = (int)button.Tag;
             MessageBox.Show("Table No " + tag.ToString());
-            ChangeFormState(SaleFormState.Billing);
             //AddProductToGrid(tag);
         }
-        private void calculateAmount()
+        public void ShowAmount(decimal grossTax, decimal discount, decimal grossAmount, decimal amount, List<SalesBillItemBO> bill)
         {
-            txtGrossTax.Text = string.Format("{0:#0.00}", bill.Values.Sum(b => b.TaxAmount));
+            txtGrossTax.Text = string.Format("{0:#0.00}", grossTax);
-            txtDiscount.Text = string.Format("{0:#0.00}", bill.Values.Sum(b => b.DiscountAmount));
+            txtDiscount.Text = string.Format("{0:#0.00}", discount);
-            txtGrossAmount.Text = string.Format("{0:#0.00}", bill.Values.Sum(b => b.GrossAmount));
+            txtGrossAmount.Text = string.Format("{0:#0.00}", grossAmount);
-            txtAmount.Text = string.Format("{0:#0.00}", Math.Round(bill.Values.Sum(b => b.Value)));
+            txtAmount.Text = string.Format("{0:#0.00}", Math.Round(amount));
-            bindingSource.DataSource = bill.Values.ToList();
+            bindingSource.DataSource = bill;
             dgvProducts.AutoResizeColumns(DataGridViewAutoSizeColumnsMode.DisplayedCells);
         }
 
         private void btnPrintBill_Click(object sender, EventArgs e)
         {
-            Save(true);
+            if (btnWaiter.Tag == null)
+                btnWaiter.Tag = new WaiterBI().GetWaiters()[0].WaiterID;
+            billController.Save(true, (Guid)btnWaiter.Tag, txtTableID.Text);
         }
         private void btnPrintKot_Click(object sender, EventArgs e)
         {
-            Save(false);
+            if (btnWaiter.Tag == null)
+                btnWaiter.Tag = new WaiterBI().GetWaiters()[0].WaiterID;
+            billController.Save(false, (Guid)btnWaiter.Tag, txtTableID.Text);
         }
         private void btnMultiPrint_Click(object sender, EventArgs e)
         {
-            Save(true);
+            if (btnWaiter.Tag == null)
+                btnWaiter.Tag = new WaiterBI().GetWaiters()[0].WaiterID;
+            billController.Save(true, (Guid)btnWaiter.Tag, txtTableID.Text);
+
         }
         private void btnCancel_Click(object sender, EventArgs e)
         {
-            if (bill.Count != 0)
+            billController.CancelBillChanges();
-                if (MessageBox.Show("Cancel current bill?", "Cancel bill", MessageBoxButtons.YesNo, MessageBoxIcon.Question, MessageBoxDefaultButton.Button2) == DialogResult.No)
-                    return;
-            ClearBill();
         }
 
-        private SalesBillItemBO CurrentProduct
-        {
-            get
-            {
-                if (dgvProducts.Rows.Count == 0)
-                    return null;
-                SalesBillItemBO product = bill.ElementAt(dgvProducts.CurrentRow.Index).Value;
-                return product;
-            }
-        }
         private void btnQuantity_Click(object sender, EventArgs e)
         {
             if (dgvProducts.Rows.Count > 0)
-                SetQuantity(CurrentProduct, 0, false, true);
+                billController.SetQuantity(billController.CurrentProduct(dgvProducts.CurrentRow.Index), bindingSource, 0, false, true);
         }
         private void btnDiscount_Click(object sender, EventArgs e)
         {
             if (dgvProducts.Rows.Count > 0)
-                SetDiscount(CurrentProduct, -1);
+                billController.SetDiscount(billController.CurrentProduct(dgvProducts.CurrentRow.Index), -1);
         }
         #endregion
 
         private void SalesForm_Load(object sender, EventArgs e)
         {
-            ChangeFormState(SaleFormState.Waiting);
+            billController.FormLoad();
-            if (newBillID.HasValue)
-            {
-                LoadBill(newBillID.Value);
-                ChangeFormState(SaleFormState.Billing);
-            }
             //ControlFactory.GenerateButtons(ref pnlBilling, new Rectangle(489, 94, 400, 385), 5, 6, 2, new ProductBI().GetUnFilteredProducts(), new ButtonClickDelegate(productButton_Click));
             //ControlFactory.GenerateButtons(ref pnlBilling, ref buttonHeads, new Rectangle(889, 0, 80, 688), 1, pageSize, 2, page, new ProductTypeBI().GetProductTypes(), new ButtonClickDelegate(productTypeButton_Click));
             //ControlFactory.GenerateButtons(ref pnlBilling, ref buttonHeads, new Rectangle(889, 90, 85, 498), 1, pageSize, 2, page, new ProductTypeBI().GetProductTypes(), new ButtonClickDelegate(productTypeButton_Click));
             ControlFactory.GenerateButtons(ref pnlBilling, ref buttonHeads, new Rectangle(390, 94, 499, 385), 6, 10, 2, new FoodTableBI().GetFoodTables(), new ButtonClickDelegate(tableButton_Click));
         }
 
-        private void ChangeFormState(SaleFormState state)
+        private void btnCustomer_Click(object sender, EventArgs e)
         {
-            pnlBilling.Visible = true;
+            billController.ShowCustomerList(false);
         }
 
-        #region Save Bill
+        public void SetCustomerDisplay(string name)
-        private void Save(bool print)
         {
-            if ((billInfo != null) && (new SaleVoucherBI().IsBillPrinted(billInfo.VoucherID)) && (!Thread.CurrentPrincipal.IsInRole("Sales/EditBill")))
+            btnCustomer.Text = name;
-                MessageBox.Show("You are not authorized to access");
-            else
-            {
-                if (bill.Count != 0)
-                {
-                    Guid? saved;
-                    if (billInfo == null)
-                        saved = AddNewSale(print);
-                    else
-                        saved = UpdateSale(print);
-                    if (saved.HasValue)
-                    {
-                        if (newBillID.HasValue)
-                            this.Close();
-                        else
-                            PrintBill(print, saved.Value);
-                    }
-                    ClearBill();
-                }
-            }
         }
-
+        public void ShowInfo(string billID, string kotID, DateTime creationDate, DateTime date, DateTime lastEditDate, string customer, string tableID, Guid waiterID, string waiter)
-        private void PrintBill(bool finalBill, Guid voucherID)
         {
-            if (!Thread.CurrentPrincipal.IsInRole("Sales/PrintKOT"))
+            this.txtBillID.Text = billID;
-            {
+            this.txtKotID.Text = kotID;
-                MessageBox.Show("You are not authorized to access");
+            this.txtCreationDate.Text = creationDate.ToString("HH:mm dd-MMM-yyyy");
-                return;
+            this.txtDate.Text = date.ToString("HH:mm dd-MMM-yyyy");
-            }
+            this.txtLastEditDate.Text = lastEditDate.ToString("HH:mm dd-MMM-yyyy");
-            if (!finalBill)
+            this.btnCustomer.Text = customer;
-                Accounts.Print.Thermal.PrintWaiterKot("KOT", voucherID, bill.Values.ToList());
+            this.txtTableID.Text = tableID;
-            else
+            this.btnWaiter.Tag = waiterID;
-            {
+            this.btnWaiter.Text = string.Format("{0} - F5", waiter);
-                if (!Thread.CurrentPrincipal.IsInRole("Sales/PrintBill"))
-                {
-                    MessageBox.Show("You are not authorized to access");
-                    return;
-                }
-                else
-                {
-                    Accounts.Print.Thermal.PrintBill(Session.printer(), true, voucherID, bill.Values.ToList());
-                    Accounts.Print.Thermal.PrintCustomerKot("KOT", voucherID, bill.Values.ToList());
-                }
-            }
-        }
-        private Guid? AddNewSale(bool finalBill)
-        {
-            if (billInfo != null)
-            {
-                MessageBox.Show("Error in AddNewSale, there is a previous sale in memory", "Error");
-                return null;
-            }
-
-            if (btnWaiter.Tag == null)
-                btnWaiter.Tag = new WaiterBI().GetWaiters()[0].WaiterID;
-
-            #region SaleVoucher
-            UserBO user = Session.User;
-            SaleVoucherBO saleVoucher = new SaleVoucherBO
-            {
-                CustomerID = customer.CustomerID,
-                Paid = false,
-                //Paid = finalBill,
-                TableID = txtTableID.Text,
-                WaiterID = (Guid)btnWaiter.Tag,
-                Printed = finalBill,
-                Void = false,
-                Date = DateTime.Now,
-                Narration = "",
-                Ref = "",
-                Type = 'S',
-                UserID = user.UserID
-            };
-            #endregion
-            #region Inventories
-            List<InventoryBO> iList = new SaleVoucherBI().SaleInventory(bill.Values, null);
-            #endregion
-            new SaleVoucherBI().Insert(saleVoucher, iList);
-            return saleVoucher.VoucherID;
 
         }
-        #region TransactionUpdate
+        private void btnVoid_Click(object sender, EventArgs e)
-        private Guid? UpdateSale(bool finalBill)
-        {
-            if (btnWaiter.Tag == null)
-                btnWaiter.Tag = new WaiterBI().GetWaiters()[0].WaiterID;
-
-            UserBO user = Session.User;
-            #region Voucher and SaleVoucher
-            SaleVoucherBO saleVoucher = new SaleVoucherBO
-            {
-                VoucherID = billInfo.VoucherID,
-                timestamp = (byte[])billInfo.timestamp,
-                UserID = billInfo.UserID,
-                Date = billInfo.Date,
-                CreationDate = DateTime.Now,
-                LastEditDate = DateTime.Now,
-                Narration = billInfo.Narration,
-                Ref = "",
-                Type = 'S',
-                Alarm = billInfo.Alarm,
-                BillID = billInfo.BillID,
-                CustomerID = customer.CustomerID,
-                KotID = billInfo.KotID,
-                Paid = billInfo.Paid,
-                Printed = billInfo.Printed || finalBill,
-                TableID = txtTableID.Text,
-                Void = billInfo.Void,
-                VoidReason = billInfo.VoidReason,
-                WaiterID = (Guid)btnWaiter.Tag,
-                SaleTimestamp = (byte[])billInfo.SaleTimestamp
-            };
-            if ((!billInfo.Printed) && finalBill)
-                saleVoucher.Date = null;
-            #endregion
-            #region Inventory
-            List<InventoryBO> iList = new SaleVoucherBI().SaleInventory(bill.Values, billInfo.VoucherID);
-            #endregion
-            new SaleVoucherBI().Update(saleVoucher, iList);
-            return saleVoucher.VoucherID;
-        }
-
-        #endregion
-        #endregion
-
-
-        private void LoadBillFromTable()
-        {
-            InputBoxResult result = InputBox.Show("Enter Table Number", "Table", "0", InputBox_Validating);
-            if (result.OK)
-            {
-                txtTableID.Text = result.Text.Trim();
-                if ((txtTableID.Text != "C") && (txtTableID.Text != "") && (!txtTableID.Text.Contains(".")))
-                {
-                    Guid? tID = new SaleVoucherBI().GetPendingVoucherID(txtTableID.Text);
-                    if (tID.HasValue)
-                    {
-                        LoadBill(tID.Value);
-                        ChangeFormState(SaleFormState.Billing);
-                    }
-                }
-                else
-                    ClearBill();
-            }
-        }
-
-        private void LoadBill(Guid voucherID)
-        {
-            ClearBill();
-            List<InventoryDisplayBO> iList = new List<InventoryDisplayBO>();
-            new SaleVoucherBI().GetSaleVoucher(voucherID, ref billInfo, ref iList);
-
-            this.txtBillID.Text = billInfo.BillID;
-            this.txtKotID.Text = billInfo.KotID;
-            this.txtCreationDate.Text = billInfo.CreationDate.ToString("HH:mm dd-MMM-yyyy");
-            this.txtDate.Text = billInfo.Date.Value.ToString("HH:mm dd-MMM-yyyy");
-            this.txtLastEditDate.Text = billInfo.LastEditDate.ToString("HH:mm dd-MMM-yyyy");
-            this.customer = new CustomerBI().GetCustomer(billInfo.CustomerID);
-            this.btnCustomer.Text = this.customer.Name;
-            this.txtTableID.Text = billInfo.TableID;
-            this.btnWaiter.Tag = billInfo.WaiterID;
-            this.btnWaiter.Text = string.Format("{0} - F5", new WaiterBI().GetWaiter(billInfo.WaiterID).Name);
-
-            foreach (InventoryDisplayBO inventory in iList)
-            {
-                if (inventory.ComplexProductID.HasValue)
-                {
-                    BillItemKey key = new BillItemKey(inventory.ComplexProductID.Value, inventory.Quantity == 0);
-                    if (!bill.ContainsKey(key))
-                    {
-                        decimal rate = 0, quantity = 0;
-                        string name = "";
-                        new SaleVoucherBI().GetComplexBillInformation(voucherID, inventory.ComplexProductID.Value, ref rate, ref quantity, ref name);
-                        bill.Add(key, new SalesBillItemBO
-                        {
-                            productID = inventory.ComplexProductID.Value,
-                            Discount = inventory.Discount,
-                            Name = name,
-                            Price = rate,
-                            Printed = quantity,
-                            Quantity = quantity,
-                            Tax = inventory.Tax,
-                        });
-
-                    }
-                }
-                else
-                {
-                    BillItemKey key = new BillItemKey(inventory.ProductID, inventory.Quantity == 0);
-                    bill.Add(key, new SalesBillItemBO
-                    {
-                        productID = inventory.ProductID,
-                        Discount = inventory.Discount,
-                        Name = inventory.ProductName,
-                        Price = inventory.Rate,
-                        Printed = inventory.Quantity,
-                        Quantity = inventory.Quantity,
-                        Tax = inventory.Tax,
-                    });
-                }
-            }
-            calculateAmount();
-
-        }
-
-        #region Waiting
-
-        private void btnStartBill_Click(object sender, EventArgs e)
-        {
-            ChangeFormState(SaleFormState.Billing);
-        }
-
-        private void btnSelectBill_Click(object sender, EventArgs e)
-        {
-            if (bsPending.Current != null)
-            {
-                LoadBill(((PendingBillsBO)bsPending.Current).voucherID);
-                ChangeFormState(SaleFormState.Billing);
-            }
-        }
-
-        private void dgvPending_CellFormatting(object sender, DataGridViewCellFormattingEventArgs e)
         {
             try
             {
-                DataGridView dgv = sender as DataGridView;
+                billController.VoidBill();
-                PendingBillsBO data = dgv.Rows[e.RowIndex].DataBoundItem as PendingBillsBO;
-                if (data.Printed)
-                    e.CellStyle.BackColor = Color.LightSlateGray;
             }
-            catch
+            catch (PermissionException ex)
             {
-                // Catch and swallow exception when DataGridView attemps to get values for removed rows.
+                MessageBox.Show(ex.Message);
             }
         }
-
-        #endregion
-
-        #region Billing
-        private void btnCustomer_Click(object sender, EventArgs e)
-        {
-            ShowCustomerList(false);
-        }
-
-        private void ShowCustomerList(bool reset)
-        {
-            if ((customer.CustomerID == new Guid("F016CBAD-206C-42C0-BB1D-6006CE57BAB5")) && (!reset))
-            {
-                using (SelectCustomer selectCustomer = new SelectCustomer(new CustomerBI().GetFilteredCustomers, true))
-                {
-                    selectCustomer.customerEvent += new CustomerEventHandler(selectCustomer_customerEvent);
-                    selectCustomer.ShowDialog();
-                    if (selectCustomer.SelectedItem != null)
-                    {
-                        customer = selectCustomer.SelectedItem;
-                        btnCustomer.Text = customer.Name;
-                    }
-                    else
-                    {
-                        customer = new CustomerBI().GetCustomer(new Guid("F016CBAD-206C-42C0-BB1D-6006CE57BAB5"));
-                    }
-                }
-            }
-            else
-            {
-                customer = new CustomerBI().GetCustomer(new Guid("F016CBAD-206C-42C0-BB1D-6006CE57BAB5"));
-                btnCustomer.Text = customer.Name;
-            }
-        }
-
-        CustomerBO selectCustomer_customerEvent(object sender, CustomerEventArgs e)
-        {
-            using (CustomersForm form = new CustomersForm(e.CustomerID, e.Phone))
-            {
-                form.ShowDialog();
-                return form.Customer;
-            }
-        }
-
-        #endregion
-
-
-        private void btnVoid_Click(object sender, EventArgs e)
-        {
-            if (billInfo != null)
-            {
-                if ((billInfo.Printed) && (!Thread.CurrentPrincipal.IsInRole("Sales/VoidPrintedBill")))
-                    MessageBox.Show("Cannot void a paid bill");
-                else if (MessageBox.Show("Are you sure you want to void this bill?", "Void Bill", MessageBoxButtons.YesNo, MessageBoxIcon.Question, MessageBoxDefaultButton.Button2) == DialogResult.Yes)
-                {
-                    SelectVoidReason voidReason = new SelectVoidReason(GetVoidReason, true);
-                    voidReason.ShowDialog();
-                    if (voidReason.SelectedItem != null)
-                    {
-                        new SaleVoucherBI().VoidBill(billInfo.VoucherID, voidReason.SelectedItem.Description);
-                        ClearBill();
-                    }
-                    else
-                    {
-                        MessageBox.Show("Please Select a reason if you want to void the bill", "Bill NOT Voided", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);
-                    }
-                }
-            }
-        }
-
-        private List<StringType> GetVoidReason(Dictionary<string, string> filter)
-        {
-            List<StringType> list = new List<StringType>();
-            list.Add(new StringType("Discount"));
-            list.Add(new StringType("Printing Fault"));
-            list.Add(new StringType("Item Changed"));
-            list.Add(new StringType("Quantity Reduced"));
-            list.Add(new StringType("Costing Bill for Party"));
-            list.Add(new StringType("Cashier Mistake"));
-            list.Add(new StringType("Management Freesale"));
-            list.Add(new StringType("Other"));
-            return list.Where(i => i.Description.ToLower().Contains(filter["Name"].ToLower().Trim())).ToList();
-        }
         private void btnRate_Click(object sender, EventArgs e)
         {
-            if (!Thread.CurrentPrincipal.IsInRole("Sales/ChangeRate"))
+            if (dgvProducts.Rows.Count > 0)
-                MessageBox.Show("You are not authorized to access");
-            else
             {
-                if (dgvProducts.Rows.Count > 0)
+                billController.ChangeRate(dgvProducts.CurrentRow.Index);
-                {
-                    SalesBillItemBO product = bill.ElementAt(dgvProducts.CurrentRow.Index).Value;
-                    decimal rate = 0;
-                    InputBoxResult result = InputBox.Show("Enter Rate", "Rate", product.Price.ToString(), InputBox_Validating);
-                    if (result.OK)
-                        rate = Convert.ToDecimal(result.Text);
-                    if (rate != 0)
-                    {
-                        BillHelperFunctions.SetRate(product.productID, rate, bill);
-                        calculateAmount();
-                    }
-                }
             }
         }
-
         private void btnClear_Click(object sender, EventArgs e)
         {
-            ClearBill();
+            billController.ClearBill();
-        }
-
-        private void btnAlarm_Click(object sender, EventArgs e)
-        {
-            if (bsPending.Current != null)
-            {
-                PendingBillsBO billAlarm = (PendingBillsBO)bsPending.Current;
-                InputBoxResult result = InputBox.Show(
-                    string.Format("Alarm for Bill {0} Rs. {1}", billAlarm.BillNo, billAlarm.Amount),
-                    "Alarm",
-                    string.Format("{0:dd-MMM-yyy HH:mm}", billAlarm.LastEdited),
-                    InputBox_Validating);
-                if (result.OK)
-                {
-                    DateTime alarmTime;
-                    if (result.Text == string.Empty)
-                    {
-                        new SaleVoucherBI().SetAlarm(billAlarm.voucherID, null);
-                        MessageBox.Show("Alarm Cleared", "Alarm Cleared", MessageBoxButtons.OK, MessageBoxIcon.Information);
-                    }
-                    else if (DateTime.TryParseExact(result.Text, "dd-MMM-yyyy HH:mm", new CultureInfo("en-US"), DateTimeStyles.None, out alarmTime))
-                    {
-                        new SaleVoucherBI().SetAlarm(billAlarm.voucherID, alarmTime);
-                        MessageBox.Show("Alarm set", "Alarm Set", MessageBoxButtons.OK, MessageBoxIcon.Information);
-                    }
-                    else
-                    {
-                        MessageBox.Show("Alarm NOT set, please try again", "Alarm NOT Set", MessageBoxButtons.OK, MessageBoxIcon.Error);
-                    }
-                }
-            }
         }
 
         private void dgvProducts_CellFormatting(object sender, DataGridViewCellFormattingEventArgs e)
@@ -745,6 +334,10 @@ namespace Tanshu.Accounts.PointOfSale
                     throw new ArgumentException();
             }
         }
+        public void CloseWindow()
+        {
+            this.Close();
+        }
         #region Dynamic Buttons
         private void btnPrevious_Click(object sender, EventArgs e)
         {
@@ -755,7 +348,6 @@ namespace Tanshu.Accounts.PointOfSale
 
             ControlFactory.GenerateButtons(ref pnlBilling, ref buttonHeads, new Rectangle(889, 90, 85, 498), 1, pageSize, 2, page, list, new ButtonClickDelegate(productTypeButton_Click));
         }
-
         private void btnNext_Click(object sender, EventArgs e)
         {
             page++;

Tanshu.Accounts.PointOfSale/Tanshu.Accounts.PointOfSale.csproj

@@ -83,9 +83,12 @@
     </Reference>
   </ItemGroup>
   <ItemGroup>
+    <Compile Include="Authentication\PermissionException.cs" />
     <Compile Include="Authentication\Session.cs" />
     <Compile Include="Authentication\KeyboardLogin.cs" />
     <Compile Include="Authentication\ILogin.cs" />
+    <Compile Include="Controllers\BillController.cs" />
+    <Compile Include="Controllers\ISaleForm.cs" />
     <Compile Include="CurrencyCounter.cs">
       <SubType>Form</SubType>
     </Compile>

Tanshu.Accounts.PointOfSale/Updates/UpdateSales.cs

@@ -44,7 +44,7 @@ namespace Tanshu.Accounts.PointOfSale.Updates
             {
                 //Guid gd = new Guid(dgvPending.Rows[e.RowIndex].Cells[2].Value.ToString());
                 PendingBillsBO current = (PendingBillsBO)bsPending.Current;
-                using (SalesForm frmSale = new SalesForm(current.voucherID))
+                using (SalesForm frmSale = new SalesForm(current.voucherID, new BillController()))
                     frmSale.ShowDialog();
                 btnShowBill_Click(this, null);
             }