static void Main(string[] args)
{
JsonFileHandler fileHandler = new JsonFileHandler();
BookService library = new BookService(fileHandler);
Console.WriteLine("-=====Menu=====-");
Console.WriteLine("1 - Show catalog");
Console.WriteLine("2 - Add new book");
Console.WriteLine("3 - Remove book");
Console.WriteLine("4 - Change book");
Console.WriteLine("0 - Exit");
Console.WriteLine("-==============-");
int choice = Convert.ToInt32(Console.ReadLine());
switch (choice)
{
case 1:
library.ShowCatalog();
break;
case 2:
Book new_book = new Book();
Console.WriteLine("Input information about book");
try
{
Console.WriteLine("Input new ID");
new_book.Id = Convert.ToInt32(Console.ReadLine());
}
catch
{
throw new Exception("Incorrect input!");
}
Console.WriteLine("Input new Title");
new_book.Title = Console.ReadLine();
Console.WriteLine("Input new amount of Pages");
new_book.Pages = Convert.ToInt32(Console.ReadLine());
library.Add(new_book);
break;
case 3:
try
{
library.ShowCatalog();
Console.WriteLine("Input necessary id");
library.Remove(Convert.ToInt32(Console.ReadLine()));
}
catch
{
throw new Exception("Incorrect input!");
}
break;
case 4:
Book change_book = new Book();
library.ShowCatalog();
try
{
Console.WriteLine("Input ID");
change_book.Id = Convert.ToInt32(Console.ReadLine());
}
catch
{
throw new Exception("Incorrect input!");
}
Console.WriteLine("Input new information about book");
Console.WriteLine("Input new Title");
change_book.Title = Console.ReadLine();
Console.WriteLine("Input new amount of Pages");
change_book.Pages = Convert.ToInt32(Console.ReadLine());
library.Change(change_book);
break;
case 0:
break;
default: throw new Exception("Incorrect input!");
}
}
