private static bool DogIsSpecial(Dog d)
{
return(d.Breed == "Golden Retriever" && d.Weight > 20 && d.DateOfBirth < new DateTime(2000, 1, 1));
}
static void Main(string[] args)
{
while (true)
{
Console.WriteLine("MENU\n");
Console.WriteLine("1. Get Male Dogs");
Console.WriteLine("2. Get Female Dogs");
Console.WriteLine("3. Get Dogs By Breed");
Console.WriteLine(" ---- LINQ WAY ---- ");
Console.WriteLine("4. Get Male Dogs");
Console.WriteLine("5. Get Female Dogs");
Console.WriteLine("6. Get Dogs By Breed");
Console.WriteLine("7. Name of youngest golden retriever.");
Console.WriteLine("8. Names of all dogs");
Console.Write("PICK AN OPTION: ");
string input = Console.ReadLine();
Console.Clear();
var pack = Dog.GetAllDogs();
switch (input)
{
case "1":
var maleDogs = GetMaleDogs(pack);
PrintToScreen("MALE DOGS:", maleDogs);
break;
case "2":
var femaleDogs = GetFemaleDogs(pack);
PrintToScreen("FEMALE DOGS: ", femaleDogs);
break;
case "3":
Console.Write("TYPE A BREED: ");
input = Console.ReadLine();
var breedDogs = GetDogsByBreed(pack, input);
PrintToScreen("DOGS BY BREED: ", breedDogs);
break;
// LINQ
case "4":
var maleDogsResult = pack.Where(dog => dog.IsMale);
PrintToScreen("MALE DOGS THE LINQ WAY: ", maleDogsResult);
break;
case "5":
var femaleDogsResult = pack.Where(dog => !dog.IsMale);
PrintToScreen("FEMALE DOGS THE LINQ WAY: ", femaleDogsResult);
break;
case "6":
Console.Write("TYPE A BREED: ");
input = Console.ReadLine();
var dogsByBreed = pack.Count(dog => dog.Breed == input);
Console.WriteLine($"There are {dogsByBreed} {input}s");
break;
case "7":
//var firstLab = pack.First(d => d.Breed == "Lab");
var nameOfYoungestGoldenRetriever = pack.Where(dog => dog.Breed == "Golden Retriever")
.Where(dog => dog.DateOfBirth < new DateTime(2000, 1, 1))
.Where(dog => dog.Weight > 20)
.OrderByDescending(dog => dog.DateOfBirth)
.First()
.Name;
Console.WriteLine("The name of the youngest golden retriever is: " + nameOfYoungestGoldenRetriever);
break;
case "8":
pack.ToList().ForEach(dog =>
{
dog.Name = dog.Name.ToUpper();
});
var namesOfDogs = pack.Select(d => d.Name).ToList();
namesOfDogs.ForEach(s => Console.WriteLine(s));
break;
}
Console.ReadLine();
Console.Clear();
}
}
