public void Save()
{
var invoice = new Invoice
{
DateTime = DateTimeOffset.Now,
CustomerId = Customer.Id
};
var invoiceItems = new List<InvoiceItem>(Items
.Where(o => o.Quantity > 0)
.Select((o,i) => new InvoiceItem
{
ItemNumber = i + 1,
ProductId = o.Product.Id,
Price = o.Product.Price,
Quantity = o.Quantity
}));
InvoiceService.AddInvoice(invoice, invoiceItems, 0);
Close();
}
public void AddInvoice(Invoice invoice, IEnumerable<InvoiceItem> items, decimal payment)
{
using (var transaction = new TransactionScope())
using (var connection = new ConnectionScope())
{
// Insert Invoice.
invoice.Insert();
foreach (var item in items)
item.InvoiceId = invoice.Id;
items.Insert();
// Update Inventory.
foreach (var item in items)
{
var product = ProductManager.GetProduct(item.ProductId);
if (product == null)
throw new Exception("Product not found.");
// Stock Correction?
if (product.QuantityOnHand < item.Quantity)
{
ProductManager.AddMovement(new ProductMovement
{
Id = Guid.NewGuid(),
ProductId = item.ProductId,
DateTime = invoice.DateTime,
MovementType = ProductMovementType.Correction,
Quantity = item.Quantity - product.QuantityOnHand,
SourceId = invoice.Id,
SourceItemNumber = item.ItemNumber
});
}
// Movement.
ProductManager.AddMovement(new ProductMovement
{
Id = Guid.NewGuid(),
ProductId = item.ProductId,
DateTime = invoice.DateTime,
MovementType = ProductMovementType.Invoice,
Quantity = item.Quantity * -1,
SourceId = invoice.Id,
SourceItemNumber = item.ItemNumber
});
}
// Add Customer Transaction.
CustomerManager.AddTransaction(new CustomerTransaction()
{
Id = Guid.NewGuid(),
CustomerId = invoice.CustomerId,
DateTime = invoice.DateTime,
Type = CustomerTransactionType.Invoice,
Amount = items.Aggregate(0.0m, (total, item) => total += item.Quantity * Math.Round(item.Price * (100 - item.Discount) / 100, 2, MidpointRounding.AwayFromZero)),
SourceId = invoice.Id
});
// Payment?
if (payment > 0)
{
CustomerManager.AddTransaction(new CustomerTransaction()
{
Id = Guid.NewGuid(),
CustomerId = invoice.CustomerId,
DateTime = invoice.DateTime,
Type = CustomerTransactionType.Payment,
Amount = payment * -1,
SourceId = invoice.Id
});
}
transaction.Complete();
}
}
public void AddReceipt(Invoice invoice, IEnumerable<InvoiceItem> items)
{
using (var transaction = new TransactionScope())
using (var connection = new ConnectionScope())
{
if (invoice.Id == Guid.Empty)
invoice.Id = Guid.NewGuid();
// Update Inventory.
foreach (var item in items)
{
var product = ProductManager.GetProduct(item.ProductId);
if (product == null)
throw new Exception("Product not found.");
// Stock Correction?
// TODO.
// Movement.
ProductManager.AddMovement(new ProductMovement
{
Id = Guid.NewGuid(),
ProductId = item.ProductId,
DateTime = invoice.DateTime,
MovementType = ProductMovementType.Receipt,
Quantity = item.Quantity,
SourceId = invoice.Id,
SourceItemNumber = item.ItemNumber
});
}
// Add Customer Transaction.
CustomerManager.AddTransaction(new CustomerTransaction()
{
Id = Guid.NewGuid(),
CustomerId = invoice.CustomerId,
DateTime = invoice.DateTime,
Type = CustomerTransactionType.Payment,
Amount = items.Aggregate(0.0m, (total, item) => total += item.Quantity * item.Price) * -1.0m,
SourceId = invoice.Id
});
transaction.Complete();
}
}
public void AddReceipt(Invoice invoice, IEnumerable<InvoiceItem> items)
{
Manager.AddReceipt(invoice, items);
}
public void AddInvoice(Invoice invoice, IEnumerable<InvoiceItem> items, decimal payment)
{
Manager.AddInvoice(invoice, items, payment);
}
public void Checkout()
{
var processvm = IoC.Get<ProcessViewModel>();
processvm.Content = "Processing...";
processvm.ProcessAction = () =>
{
var invoice = new Invoice
{
DateTime = DateTimeOffset.Now,
CustomerId = Customer.Id
};
var invoiceItems = new List<InvoiceItem>(Products
.Where(o => o.Quantity > 0)
.Select((o, i) => new InvoiceItem
{
ItemNumber = i + 1,
ProductId = o.Product.Id,
Quantity = o.Quantity,
Price = o.Product.Price,
Discount = o.Discount
}));
InvoiceService.AddInvoice(invoice, invoiceItems, IsCashAccount ? Total : 0.0m);
Customer.Balance = CustomerService.GetCustomer(Customer.Id).Balance;
};
processvm.CompleteAction = () =>
{
var message = IoC.Get<MessageBoxViewModel>();
message.Content = new CustomerTransactionInfo { NewBalance = Customer.Balance };
message.DismissAction = () => ScreenCoordinator.NavigateToHome();
message.DismissTimeout = 2500;
ScreenCoordinator.NavigateToScreen(message);
};
ScreenCoordinator.NavigateToScreen(processvm);
}