public void Save(string uid)
{
try
{
if (String.IsNullOrEmpty(uid))
{
throw new ArgumentNullException("UID", "User ID is required.");
}
using (PurchasingContext Context = ContextHelper.GetDBContext())
{
Enums.HistoryType ChangeType;
ReceiptItem Original = null;
ReceiptItemData Data;
if (ReceiptItemID <= 0)
{
Data = new ReceiptItemData();
ChangeType = Enums.HistoryType.ADD;
Data.date_created = DateTime.Now;
Data.created_by = uid;
}
else
{
Data = Context.ReceiptItemDatas.FirstOrDefault(x => x.receipt_item_id == ReceiptItemID);
Original = new ReceiptItem(Data);
ChangeType = Enums.HistoryType.UPDATE;
}
Data.receipt_id = ReceiptID;
Data.purchase_order_item_id = POItemID;
Data.quantity_received = QuantityReceived;
Data.date_modified = DateTime.Now;
Data.modified_by = uid;
Data.active = Active;
if (ReceiptItemID <= 0)
{
Context.ReceiptItemDatas.InsertOnSubmit(Data);
}
Context.SubmitChanges();
Load(Data);
SaveHistory(ChangeType, Original, uid);
}
}
catch (Exception ex)
{
throw new RequisitionException("An error has occureed while saving receipt item.", ex);
}
}
private void Load(ReceiptItemData data)
{
Init();
if (data != null)
{
ReceiptItemID = data.receipt_item_id;
ReceiptID = data.receipt_id;
POItemID = data.purchase_order_item_id;
QuantityReceived = data.quantity_received;
CreatedByUserID = data.created_by;
ModifiedByUserID = data.modified_by;
DateCreated = data.date_created;
DateModified = data.date_modified;
Active = data.active;
}
}
public ReceiptItem(ReceiptItemData data)
{
Load(data);
}
private CashRegisterReceipt CreateReceipt()
{
// lets create receipt object - the single required parameter is the cash registe code.
// all other parameters are optional.
CashRegisterReceipt receipt = new CashRegisterReceipt(this.cashRegisterCode)
{
// Optional text, printed between informations about company and items
HeaderText = "Web: www.ninedigit.sk",
// Optional text, that is printed at the end of the receipt
FooterText = "Ďakujeme za nákup.",
};
// lets add some items (products) to the receipt - as receipt must have at least one.
// helper object to contains receipt item data.
ReceiptItemData itemData = new ReceiptItemData()
{
Type = ReceiptItemType.Positive,
Name = "Banány voľné",
UnitPrice = 1.123456m, // unit price can be specified up to 6 decimal places
Quantity = new Quantity(0.123m, "kg"), // quantity can be specified up to 3 decimal places
Price = 0.14m, // price must be equal to unitPrice * quantity, and can be specified up to 2 decimal places. Mathematical rounding is applied.
VatRate = VatRate.Free
};
// this data object has its validator, so we can check, whether our application composes receipt item correctly.
ValidationResult itemDataValidationResult = itemData.Validate();
if (!itemDataValidationResult.IsValid)
{
// object is invalid - that means, we did something wrong!
// to see more details, inspect the errors collection.
IEnumerable <MemberValidationFailure> errors = itemDataValidationResult.Errors;
// lets pick first error and throw an exception.
MemberValidationFailure firstError = errors.First();
string errorMessage = $"Invalid composition of ticket item. {firstError.MemberName}: {firstError.Message}";
throw new InvalidOperationException(errorMessage);
}
// after validation succeeds, we can create receipt item
ReceiptItem receiptItem = new ReceiptItem(itemData);
// add item to receipt.
receipt.Items.Add(receiptItem);
// we don't need to specify payments. But if we do, their amounts must be equal or greater than total amount of receipt.
// prepare empty payments collection
receipt.Payments = new ReceiptPayments();
// and add some payments
ReceiptPayment payment1 = new ReceiptPayment("Hotovosť", 1m); // "Hotovosť" means "cash"
receipt.Payments.Add(payment1);
// cash to return can be stated as another payment, with negative amount.
ReceiptPayment payment2 = new ReceiptPayment("Hotovosť", -0.86m);
receipt.Payments.Add(payment2);
return(receipt);
}
