static void Main(string[] args)
{
Product[] products = new List <Product>
{
new Product("Apple", Color.Green, Size.Small),
new Product("Tree", Color.Green, Size.Large),
new Product("House", Color.Blue, Size.Large)
}.ToArray();
var filter = new ProductFilter();
Console.WriteLine("Green products:");
foreach (Product product in filter.Filter(products, new ColorSpecification(Color.Green)))
{
Console.WriteLine(product);
}
Console.WriteLine();
Console.WriteLine("Large products:");
foreach (Product product in filter.Filter(products, new SizeSpecification(Size.Large)))
{
Console.WriteLine(product);
}
Console.WriteLine();
Console.WriteLine("Large green products:");
foreach (Product product in filter.Filter(products,
new AndSpecification <Product>(
new ColorSpecification(Color.Green),
new SizeSpecification(Size.Large))))
{
Console.WriteLine(product);
}
}
public IEnumerable <Product> GetSizeSmall()
{
var filterSize = new ProductFilter();
var productSizeSmall = filterSize.Filter(productList, new SizeSpecification(Size.Small))
.GetListProduct();
return(productSizeSmall);
}
public IEnumerable <Product> GetColorBlue()
{
var filterColor = new ProductFilter();
var productColorBlue = filterColor.Filter(productList, new ColorSpecification(Color.Blue))
.GetListProduct();
return(productColorBlue);
}
static void Main(string[] args)
{
var prodA = new Product("A", Color.Blue, Size.Small);
var prodB = new Product("B", Color.Red, Size.Medium);
var prodC = new Product("C", Color.Red, Size.Large);
var prodD = new Product("D", Color.Blue, Size.Small);
var products = new Product[] { prodA, prodB, prodC, prodD };
var filter = new ProductFilter();
WriteLine("Red products:");
var redProdFilter = filter.Filter(products, new ColorSpecification(Color.Red));
foreach (var item in redProdFilter)
{
WriteLine($"{item.GetName()} {item.GetColor()} {item.GetSize()}");
}
WriteLine("Blue and Small products:");
var blueAndSmallProdFilter = filter.Filter(products,
new AndSpecification <Product>(
new ColorSpecification(Color.Blue),
new SizeSpecification(Size.Small)
)
);
foreach (var item in blueAndSmallProdFilter)
{
WriteLine($"{item.GetName()} {item.GetColor()} {item.GetSize()}");
}
// Result
// -----------------------
// Red products:
// B Red Medium
// C Red Large
//
// Blue and Small products:
// A Blue Small
// D Blue Small
}
public IEnumerable <Product> GetSizeMediumAndColorBlack()
{
var filterSmallAndBlue = new ProductFilter();
var productMediumAndBlue = filterSmallAndBlue.Filter(productList, new AndSpecification(
new List <ISpecification <ProductManage> > {
new ColorSpecification(Color.Black), new SizeSpecification(Size.Midium)
})
)
.GetListProduct();
return(productMediumAndBlue);
}
static void Main(string[] args)
{
var desk = new Product("Desk", Size.Medium, Color.Yellow);
var car = new Product("Car", Size.Large, Color.Yellow);
var tv = new Product("Tv", Size.Medium, Color.Green);
Product[] products = { desk, car, tv };
var productFilter = new ProductFilter();
foreach (var product in productFilter.Filter(products, new ColorSpecification(Color.Yellow)))
{
Console.WriteLine($" {product.Name} color is Yellow");
}
foreach (var product in productFilter.Filter(products, new SizeSpecification(Size.Medium)))
{
Console.WriteLine($" {product.Name} size is Medium");
}
foreach (var product in productFilter.Filter(products, new AndSpecification(Size.Medium, Color.Green)))
{
Console.WriteLine($" {product.Name} color is Green and size is Medium");
}
#region PreventClose
if (!Debugger.IsAttached)
{
return;
}
Console.WriteLine("Press any key to continue . . .");
Console.ReadLine();
#endregion
}
public void TestFilter_ByName()
{
var products = new[] { new Product {
Name = "test1"
}, new Product {
Name = "test2"
}, }.AsQueryable();
var filter = new ProductFilter();
var filteredUsers = filter.Filter(products, new ProductFilterOptions {
Name = "2"
}).ToArray();
Assert.AreEqual(1, filteredUsers.Length);
Assert.AreEqual("test2", filteredUsers.Single().Name);
}
public void ProductFilterColorBlue_IsSuccess()
{
var productFilter = new ProductFilter();
var colorSpecify = new ColorSpecification(Color.Blue);
var data = new List <ProductManage>()
{
new ProductManage("P1", Color.Blue, Size.Large, 1200),
new ProductManage("P2", Color.Yellow, Size.Large, 1200)
};
var listDatas = productFilter.Filter(data, colorSpecify);
Assert.True(listDatas.Count() > 0);
foreach (var checkData in listDatas)
{
Assert.Equal(Color.Blue, checkData.color);
}
}
private static void FilterList(IEnumerable <Product> products, string searchBy, string searchKey)
{
ISpecification <Product> spec = null;
var productFilter = new ProductFilter();
switch (searchBy.ToLower())
{
case "category":
spec = new CategorySpecification(searchKey);
break;
case "color":
spec = new ColorSpecification(searchKey);
break;
}
Console.WriteLine("\n---------Filtered List------------\n");
foreach (var item in productFilter.Filter(products, spec))
{
Console.WriteLine($"Product: {item.Name}. Category: {item.Category}. Color: {item.Color}");
}
Console.WriteLine("\n---------End of List--------------");
}