static public void CountAverageHelth(BeastsZoo beasts)
{
Console.WriteLine("показать среднее количество здоровья у всех зверей в зоопарке");
var data = beasts.GetAllItems();
var res7 = data.Average(x => x.Health);
Console.WriteLine(res7);
Console.WriteLine("=====\n");
}
static public void SelectElephantNamed(BeastsZoo beasts, string nameE = "bem", string type = "Elephant")
{
Console.WriteLine("показать {1} с кличкой: {0}", nameE, type);
var data = beasts.GetAllItems();
var res2 = data.Where(x => ((String.Compare(x.Name, nameE, true) == 0) && String.Compare(x.GetType().Name, type, true) == 0));
foreach (var i in res2)
{
Console.WriteLine(i);
}
Console.WriteLine("=====\n");
}
static public void SelectSickTigers(BeastsZoo beasts)
{
Console.WriteLine("показать больных тигров");
var data = beasts.GetAllItems();
var res2 = data.Where(x => (x.Status == Status.Sick && String.Compare(x.GetType().Name, "Tiger", true) == 0));
foreach (var i in res2)
{
Console.WriteLine(i);
}
Console.WriteLine("=====\n");
}
static public void SelectNamesWhichHungry(BeastsZoo beasts)
{
Console.WriteLine("показать список кличек голодных зверей: ");
var data = beasts.GetAllItems();
var res3 = data.Where(x => (x.Status == Status.Hungry)).Select(x => x.Name);
foreach (var i in res3)
{
Console.WriteLine(i);
}
Console.WriteLine("=====\n");
}
static public void SelectWolfsBearsHealth(BeastsZoo beasts, int health = 3, string type1 = "wolf", string type2 = "bear")
{
Console.WriteLine("показать количество {0} и {1} со здоровьем > {2}", type1, type2, health);
var data = beasts.GetAllItems();
var res2 = data.Where(x => ((x.Health > health) && (String.Compare(x.GetType().Name, type1, true) == 0 ||
String.Compare(x.GetType().Name, type2, true) == 0))).Select(x => x);
foreach (var i in res2)
{
Console.WriteLine(i);
}
Console.WriteLine("=====\n");
}
static public void CountLifelessByType(BeastsZoo beasts)
{
Console.WriteLine("показать количество мертвых зверей каждого вида: ");
var data = beasts.GetAllItems();
var result = data.GroupBy(x => x.GetType().Name);
foreach (var i in result)
{
var result1 = i.Count(x => (x.Status == Status.Lifeless));
Console.WriteLine("мертвых зверей вида {0} насчитывается {1} ", i.Key, result1);
}
Console.WriteLine("=====\n");
}
static public void SelectMostHealthyByType(BeastsZoo beasts)
{
Console.WriteLine("показать самых здоровых зверей каждого вида (не больше одного): ");
var data = beasts.GetAllItems();
var result = data.GroupBy(x => x.GetType().Name);
foreach (var i in result)
{
Console.WriteLine(i.Key);
var result1 = data.Where(x => (i.Key == x.GetType().Name)).OrderByDescending(x => x.Health).ThenBy(x => x.Name).First();
Console.WriteLine(result1);
}
Console.WriteLine("=====\n");
}
static public void SelectBeastsWithMaxMinHelth(BeastsZoo beasts)
{
Console.WriteLine("показать ВСЕХ зверей с максимальным и минимальным здоровьем");
var data = beasts.GetAllItems();
var res6 = data.OrderByDescending(x => x.Health).
Where(x => (x.Health == data.OrderByDescending(y => y.Health).First().Health ||
x.Health == data.OrderByDescending(z => z.Health).Last().Health)).
Select(x => x);
foreach (var i in res6)
{
Console.WriteLine(i);
}
Console.WriteLine("=====\n");
}
static public void GroupAllBeastsByType(BeastsZoo beasts)
{
var data = beasts.GetAllItems();
var result = data.GroupBy(x => x.GetType().Name);
Console.WriteLine("Группировка по типу");
foreach (var i in result)
{
Console.WriteLine(i.Key);
var result1 = data.Where(x => (i.Key == x.GetType().Name));
foreach (var j in result1)
{
Console.WriteLine(j);
}
}
Console.WriteLine("=====\n");
return;
}
static public void SelectAllWithStatus(BeastsZoo beasts, string str = "Sick")
{
try
{
var status = (Status)Enum.Parse(typeof(Status), str, true);
var data = beasts.GetAllItems();
Console.WriteLine("показать по состоянию: {0}", status);
var res2 = data.Where(x => (x.Status == status));
foreach (var i in res2)
{
Console.WriteLine(i);
}
}
catch
{
Console.WriteLine("состояние не может быть {0}", str);
}
Console.WriteLine("=====\n");
}