public async void InsertReceipt()
{
Receipt receipt = new Receipt();
receipt.Date = DateTime.Now;
receipt.UserId = 1;
ReceiptEntry entry = new ReceiptEntry();
entry.Amount = 30m;
receipt.Entries = new List <ReceiptEntry>();
receipt.Entries.Add(entry);
using (IBudgetDatabase database = new BudgetDatabase())
{
ReceiptRepository repository = new ReceiptRepository(database);
await repository.Save(receipt);
}
Assert.AreNotEqual(0, receipt.Id);
Assert.AreNotEqual(0, entry.Id);
Assert.AreEqual(receipt.Id, entry.ReceiptId);
}
public async void PostReceipt()
{
ReceiptClient client = this.CreateClient();
Receipt receipt = new Receipt();
receipt.Date = DateTime.Now;
receipt.UserId = 1;
ReceiptEntry entry = new ReceiptEntry();
entry.Amount = 30m;
receipt.Entries = new List <ReceiptEntry> {
entry
};
Receipt saved = await client.Save(receipt);
}
public async Task <Receipt> CalculateAsync(ShoppingCart cart)
{
if (cart.Items.Count == 0)
{
throw new InvalidOperationException("Cannot create a receipt for an empty cart.");
}
var receiptEntries = new List <ReceiptEntry>(cart.Items.Count);
foreach (var cartItem in cart.Items)
{
var item = await this.itemsRepository.GetByIdAsync(cartItem.ItemId);
var totalCost = await this.taxCalculator.CalculateTaxAsync(item, cartItem.Count);
var entry = new ReceiptEntry(item, cartItem.Count, item.Price * cartItem.Count, totalCost);
receiptEntries.Add(entry);
}
var subtotal = receiptEntries.Sum(x => x.Subtotal);
var total = receiptEntries.Sum(x => x.Total);
return(new Receipt(receiptEntries.AsReadOnly(), subtotal, total));
}
/// <summary>
/// Determines whether the specified object is equal to the current object. Implementation courtesy of Resharper
/// </summary>
/// <param name="other"></param>
/// <returns>true if the specified object is equal to the current object; otherwise, false.</returns>
private bool Equals(ReceiptEntry other)
{
return Quantity == other.Quantity && string.Equals(ItemDescription, other.ItemDescription) && UnitPrice == other.UnitPrice && TotalPrice == other.TotalPrice && Promotion == other.Promotion;
}
/// <summary>
/// Determines whether the specified object is equal to the current object. Implementation courtesy of Resharper
/// </summary>
/// <param name="other"></param>
/// <returns>true if the specified object is equal to the current object; otherwise, false.</returns>
private bool Equals(ReceiptEntry other)
{
return(Quantity == other.Quantity && string.Equals(ItemDescription, other.ItemDescription) && UnitPrice == other.UnitPrice && TotalPrice == other.TotalPrice && Promotion == other.Promotion);
}
