public static void updateCategory(int catID)
{
string filePath = @"../../myBookCategories.txt";
List <string> listcategories = new List <string>();
listcategories = File.ReadAllLines(filePath).ToList();
Category input = Category.inqCategorybyID(catID);
if (input.catName != "")
{
//get lib index of the candidate book for modifying
int cat_index = MyCategory.findIndex(catID);
//chi cho phep sua: ten the loai sach
Console.WriteLine("Thuc hien viec sua thong tin The Loai Sach co Ma {0}", catID);
string newbookCat;
Console.Write("Nhap Ten The Loai Sach moi: "); newbookCat = Console.ReadLine();
while (newbookCat == String.Empty || newbookCat.Length > 30)
{
Console.Write("Vui long nhap Ten The Loai Sach toi da 30 ky tu: ");
newbookCat = Console.ReadLine();
}
MyCategory.mybctgr[cat_index].catName = newbookCat;
listcategories[cat_index] = $"{MyCategory.mybctgr[cat_index].catID}#{MyCategory.mybctgr[cat_index].catName}";
File.WriteAllLines(filePath, listcategories);
Console.WriteLine("\nCap nhat thong tin The Loai Sach da hoan tat!\n");
Console.WriteLine("Cap nhat The Loai Sach moi nhat\n");
MyCategory.printAllCategory();
}
else
{
// Console.WriteLine("Khong co thong tin The Loai Sach voi Ma {0}", catID);
}
}
public static void deleteCategory(int catID)
{
string filePath = @"../../myBookCategories.txt";
List <string> listcategories = new List <string>();
listcategories = File.ReadAllLines(filePath).ToList();
Category input = Category.inqCategorybyID(catID);
if (input.catName != "")
{
//get lib index of the candidate book for modifying
int cat_index = MyCategory.findIndex(catID);
//tien hanh tim sach theo thong tin The Loai Sach
//neu co thi khong cho xoa
//neu ko co thi tien hanh xoa
if (Book.inqBookbybookCat(catID) == true)
{
Console.WriteLine("\nKhong the xoa The Loai Sach Nay. Co ton tai thong tin sach voi The Loai Sach nay");
}
else
{
MyCategory.mybctgr.Remove(MyCategory.mybctgr[cat_index]);
string cat_record = listcategories[cat_index];
listcategories.Remove(cat_record);
File.WriteAllLines(filePath, listcategories);
Console.WriteLine("Cap nhat The Loai Sach moi nhat\n");
MyCategory.printAllCategory();
Console.WriteLine("Da xoa xong");
}
}
else
{
// Console.WriteLine("Khong co thong tin The Loai Sach voi Ma {0}", catID);
}
}