public static void TaskA(Invoice[] array)
{
var sortedByPartDescription =
from value in array
orderby value.PartDescription
select value;
foreach (var value in sortedByPartDescription)
{
Console.WriteLine(value.ToString());
}
Console.WriteLine();
}
public static void Main()
{
Invoice invoice1 = new Invoice(10, "invoice1", 1, 100m);
Invoice invoice2 = new Invoice(2, "invoice2", 4, 10m);
Invoice invoice3 = new Invoice(12, "invoice3", 5, 132m);
Invoice invoice4 = new Invoice(5, "invoice4", 2, 910m);
Invoice invoice5 = new Invoice(123, "binvoice5", 3, 91m);
Invoice invoice6 = new Invoice(40, "ccinvoice6", 10, 45m);
Invoice invoice7 = new Invoice(0, "invoice7", 100, 120m);
Invoice invoice8 = new Invoice(7, "invoice8", 11, 1000m);
Invoice[] array = new Invoice[]{
invoice1,invoice2,invoice3,invoice4,invoice5,invoice6,invoice7,invoice8
};
Invoice.TaskA(array);
Invoice.TaskB(array);
Invoice.TaskC(array);
Invoice.TaskD(array);
Invoice.TaskE(array);
Invoice.TaskF(array);
Invoice.TaskG(array);
}
public static void TaskB(Invoice[] array)
{
var sortedByPrice =
from value in array
orderby value.Price
select value;
foreach (var value in sortedByPrice)
{
Console.WriteLine(value.ToString());
}
Console.WriteLine();
}
public static void TaskG(Invoice[] array)
{
var firstCol =
from value in array
where value.Price >= 20
select value;
Console.WriteLine("Category: Price above 20$");
foreach (var value in firstCol)
{
Console.WriteLine(value.ToString());
}
var secondCol =
from value in array
where value.Price <= 10
select value;
Console.WriteLine("Category: Price below 10$");
foreach (var value in secondCol)
{
Console.WriteLine(value.ToString());
}
var thirdCol =
from value in array
where value.Price > 10 && value.Price < 20
select value;
Console.WriteLine("Category: Price between 10$ and 20$");
foreach (var value in secondCol)
{
Console.WriteLine(value.ToString());
}
Console.WriteLine();
}
public static void TaskF(Invoice[] array)
{
var firstCol =
from value in array
where value.Price > 12
select value;
Console.WriteLine("Category: Price above 12$");
foreach (var value in firstCol)
{
Console.WriteLine(value.ToString());
}
var secondCol =
from value in array
where value.Price <= 12
select value;
Console.WriteLine("Category: Price below 12$");
foreach (var value in secondCol)
{
Console.WriteLine(value.ToString());
}
Console.WriteLine();
}
public static void TaskE(Invoice[] array)
{
var printByRange =
from value in array
let total = value.Price * value.Quantity
orderby total
where total > 200 && total < 500
select total;
foreach (var value in printByRange)
{
Console.WriteLine(value.ToString());
}
Console.WriteLine();
}
public static void TaskD(Invoice[] array)
{
var orderByTotal =
from value in array
let total = value.Price * value.Quantity
orderby total
select total;
foreach (var value in orderByTotal)
{
Console.WriteLine(value.ToString());
}
Console.WriteLine();
}
public static void TaskC(Invoice[] array)
{
var sortByQuantity =
from value in array
orderby value.Quantity
select value;
foreach (var value in sortByQuantity)
{
Console.WriteLine(value.ToString());
}
Console.WriteLine();
}