public void Test()
{
float expensivePrice = Constant.ExpensivePrice;
// Print all products which cost more than expensivePrice in descending order, filtered by Price
var expensiveProducts =
from p in products
where p.Price > expensivePrice
orderby p.Price descending
select p;
ConsoleLogger.Log(MessageType.NewTopic, $"Products which cost more than {expensivePrice}$");
ConsoleLogger.PrintPricedObjects(expensiveProducts);
}
public void Test()
{
float cheapPrice = Constant.CheapPrice;
float expensivePrice = Constant.ExpensivePrice;
// Print all product names in a single line
var allProductNames = products
.Select(p => p.Name)
.OrderBy(p => p);
ConsoleLogger.Log(MessageType.NewTopic, "All product names");
ConsoleLogger.Log(MessageType.Info, string.Join(" | ", allProductNames));
// Find the total price of all objects if we buy just one of each
var totalPrice = products.Sum(p => p.Price);
ConsoleLogger.Log(MessageType.NewTopic, "Total price of all products (1 unit each)");
ConsoleLogger.PrintPricedObject(new Product {
Name = "All Products", Price = totalPrice
});
// Print all products which cost less than cheapPrice in ascending order, filtered by Price
var cheapProducts = products
.Where(p => p.Price < cheapPrice)
.OrderBy(p => p.Price);
ConsoleLogger.Log(MessageType.NewTopic, $"Products which cost less than {cheapPrice}$");
ConsoleLogger.PrintPricedObjects(cheapProducts);
// Show the first 3 products out of all objects, sorted by their names
var firstProductsByName = products
.OrderBy(p => p.Name)
.Take(3);
ConsoleLogger.Log(MessageType.NewTopic, "First 3 products in the alphabet");
ConsoleLogger.PrintPricedObjects(firstProductsByName);
// Find the eggplant
var eggplant = products.SingleOrDefault(p => p.Name.Equals("Eggplant"));
ConsoleLogger.Log(MessageType.NewTopic, "Eggplant");
ConsoleLogger.PrintPricedObject(eggplant);
}
