public void ProcessPriceUpdates(string productCode)
{
// get the necessary dependencies
IWebPageEngine pageEngine = EngineLocator.CreateEngine <IWebPageEngine>();
IProductParserEngine priceEngine = EngineLocator.CreateEngine <IProductParserEngine>();
IProductAccessor productAccessor = AccessorLocator.CreateAccessor <IProductAccessor>();
IEmailAccessor emailAccessor = AccessorLocator.CreateAccessor <IEmailAccessor>();
// build the url
string url = pageEngine.BuildUrl(productCode);
// get the page contents
string contents = pageEngine.GetWebPageContents(url);
// get the stored product information
var product = productAccessor.FindByCode(productCode);
// get the current price
decimal currentPrice = priceEngine.GetProductPrice(contents, productCode);
// if the current price is different from the price threshold then send an email
if (currentPrice > 0)
{
if (product.PriceThreshold != currentPrice)
{
emailAccessor.SendPriceNotice(product, currentPrice);
}
}
}
public OrderRepository(ICustomerAccessor customers, IProductAccessor products)
: this()
{
_customers = customers ?? throw new ArgumentException(nameof(customers));
_products = products ?? throw new ArgumentException(nameof(products));
}
/// <summary>
/// Constructor used for dependency injection
/// </summary>
public PriceManager(IWebPageEngine pageEngine,
IProductParserEngine priceEngine,
IProductAccessor productAccessor,
IEmailAccessor emailAccessor)
{
Console.WriteLine("PriceManager constructor called");
_emailAccessor = emailAccessor;
_pageEngine = pageEngine;
_priceEngine = priceEngine;
_productAccessor = productAccessor;
}
public void ProductAccessor_SaveNew()
{
Product product = new Product()
{
ProductName = "Test",
Price = "$10.00",
Brand = "HobbyTown",
Site = "HobbyTown",
ProductUrl = @"http://www.url.com",
ListPrice = "$10.00",
ProductCode = "MAN12345"
};
IAccessorFactory factory = new AccessorFactory();
IProductAccessor acc = factory.CreateAccessor <IProductAccessor>();
product = acc.Save(_connString, product);
Assert.AreNotEqual(0, product.Id);
Assert.AreEqual("Test", product.ProductName);
Assert.AreEqual("$10.00", product.Price);
Assert.AreEqual("HobbyTown", product.Brand);
Assert.AreEqual("MAN12345", product.ProductCode);
}
public ProductController(IProductAccessor products)
{
_products = products ?? throw new ArgumentException(nameof(products));
}
public ProductManager(IProductAccessor productAccessor)
{
_productAccessor = productAccessor;
}
public ProductManager()
{
_productAccessor = new ProductAccessor();
}
public void TestSetup()
{
_productAccessor = new FakeProductAccessor();
_fakeProductAccessor = new FakeProductAccessor();
_productManager = new ProductManager(_fakeProductAccessor);
}
public void TestCleanup()
{
_productAccessor = null;
_fakeProductAccessor = null;
}
public ProductRepository(IProductAccessor productAccessor)
{
_productAccessor = productAccessor;
}
