//hàm chi cho phép update so luong sach = 0
//vi thong tin sach con duoc dung trong thong tin hoa don
public static void deleteBook(string bookID)
{
string filePath = @"../../myBookstore.txt";
List <string> listbook = new List <string>();
listbook = File.ReadAllLines(filePath).ToList();
Book input = Book.inqBookbyID(bookID);
if (input.bookName != "")
{
//get lib index of the candidate book for modifying
int lib_index = MyBookStore.findIndex(input.bookID);
MyBookStore.mybs[lib_index].bookQty = 0;
listbook[lib_index] = $"{MyBookStore.mybs[lib_index].bookID}#{MyBookStore.mybs[lib_index].bookName}#{MyBookStore.mybs[lib_index].bookPublisher}#{MyBookStore.mybs[lib_index].bookPriceTag}#{MyBookStore.mybs[lib_index].bookYear}#{ MyBookStore.mybs[lib_index].bookCat}#{MyBookStore.mybs[lib_index].bookQty}";
File.WriteAllLines(filePath, listbook);
//MyBookStore.mybs.Remove(MyBookStore.mybs[lib_index]);
//string book_record = listbook[lib_index];
//listbook.Remove(book_record);
//File.WriteAllLines(filePath, listbook);
Console.WriteLine("Da xoa thong tin sach voi Ma Sach {0} ", input.bookID);
Console.WriteLine("Cap nhat Thu Vien Sach moi nhat\n");
MyBookStore.printAllBook();
}
else
{
Console.WriteLine("Khong co thong tin sach voi Ma Sach {0}", bookID);
}
}
//test
public static void updateBookQty(string bookID, int newQty)
{
string filePath = @"../../myBookstore.txt";
List <string> listbook = new List <string>();
listbook = File.ReadAllLines(filePath).ToList();
Book input = Book.inqBookbyID(bookID);
//get lib index of the candidate book for modifying
int lib_index = MyBookStore.findIndex(input.bookID);
//chi cho phep sua: so luong
MyBookStore.mybs[lib_index].bookQty = newQty;
listbook[lib_index] = $"{MyBookStore.mybs[lib_index].bookID}#{MyBookStore.mybs[lib_index].bookName}#{MyBookStore.mybs[lib_index].bookPublisher}#{MyBookStore.mybs[lib_index].bookPriceTag}#{MyBookStore.mybs[lib_index].bookYear}#{ MyBookStore.mybs[lib_index].bookCat}#{MyBookStore.mybs[lib_index].bookQty}";
File.WriteAllLines(filePath, listbook);
//Console.WriteLine("Cap nhat so luong sach thanh cong"); // test
}
//hàm cho phép chỉnh sửa thông tin sách theo mã sách
public static void updateBook(string bookID)
{
string filePath = @"../../myBookstore.txt";
List <string> listbook = new List <string>();
listbook = File.ReadAllLines(filePath).ToList();
Book input = Book.inqBookbyID(bookID);
if (input.bookName != "")
{
//get lib index of the candidate book for modifying
int lib_index = MyBookStore.findIndex(input.bookID);
//chi cho phep sua: gia sach / so luong
Console.WriteLine("Thuc hien viec sua thong tin sach co Ma Sach {0}", bookID);
string inputprice;
Console.Write("Nhap Gia Sach: "); inputprice = Console.ReadLine();
while (!chkbookPriceTag(inputprice) || inputprice.Length > 13)
{
inputprice = Console.ReadLine();
}
MyBookStore.mybs[lib_index].bookPriceTag = double.Parse(inputprice);
Console.Write("Nhap So Luong: "); string bookQty = Console.ReadLine();
while (!Book.chkbookQty(bookQty))
{
bookQty = Console.ReadLine();
}
MyBookStore.mybs[lib_index].bookQty = int.Parse(bookQty);
listbook[lib_index] = $"{MyBookStore.mybs[lib_index].bookID}#{MyBookStore.mybs[lib_index].bookName}#{MyBookStore.mybs[lib_index].bookPublisher}#{MyBookStore.mybs[lib_index].bookPriceTag}#{MyBookStore.mybs[lib_index].bookYear}#{ MyBookStore.mybs[lib_index].bookCat}#{MyBookStore.mybs[lib_index].bookQty}";
File.WriteAllLines(filePath, listbook);
Console.WriteLine("\nCap nhat thong tin sach da hoan tat!\n");
Console.WriteLine("Cap nhat Thu Vien Sach moi nhat\n");
MyBookStore.printAllBook();
}
else
{
Console.WriteLine("Khong co thong tin sach voi Ma Sach {0}", bookID);
}
}
public static void addBook()
{
string filePath = @"../../myBookstore.txt";
Book newbook = new Book();
string inputprice;
Console.Write("Nhap Ma Sach: "); newbook.bookID = Console.ReadLine();
//validation
while (chkbookID(newbook.bookID) || newbook.bookID.Length > 8)
{
Console.Write("Vui long nhap Ma Sach khac toi da 08 ky tu: ");
newbook.bookID = Console.ReadLine();
}
Console.Write("Nhap Ten Sach: "); newbook.bookName = Console.ReadLine();
//validation
while (newbook.bookName.Length > 30)
{
Console.Write("Vui long nhap Ten Sach toi da 35 ky tu: "); newbook.bookName = Console.ReadLine();
}
Console.Write("Nhap Nha Xuat Ban: "); newbook.bookPublisher = Console.ReadLine();
// validation
while (newbook.bookPublisher.Length > 20)
{
Console.Write("Vui long nhap Nha Xuat Ban toi da 20 ky tu"); newbook.bookPublisher = Console.ReadLine();
}
Console.Write("Nhap Gia Sach: "); inputprice = Console.ReadLine();
//validation
// kiểm tra giá trị nhập phải là giá trị số
// 2019-05-22 nho kiem tra lai truong hop nhap 0
while (!chkbookPriceTag(inputprice) || inputprice.Length > 13)
{
//nếu không phải là số thì yêu cầu nhập lại giá trị hợp lệ
inputprice = Console.ReadLine();
}
newbook.bookPriceTag = double.Parse(inputprice);
//2019-05-22 them moi nam xuat ban + gia sach + so luong
// nho kiem tra lai truong hop nhap 0
Console.Write("Nhap Nam Xuat Ban: "); string inputyear = Console.ReadLine();
while (!chkbookYear(inputyear))
{
//Console.WriteLine("Gia tri Nam Xuat Ban khong hop le");
inputyear = Console.ReadLine();
}
newbook.bookYear = int.Parse(inputyear);
MyCategory.printAllCategory();
Console.Write("Nhap Ma The Loai Sach tuong ung: "); int inputcatID = int.Parse(Console.ReadLine());
while (Category.inqCategorybyID(inputcatID).catName == "")
{
// Console.WriteLine("Nhap Ma Sach tuong ung: ");
inputcatID = int.Parse(Console.ReadLine());
}
newbook.bookCat = inputcatID;
Console.Write("Nhap So Luong: "); string bookQty = Console.ReadLine();
while (!Book.chkbookQty(bookQty))
{
bookQty = Console.ReadLine();
}
newbook.bookQty = int.Parse(bookQty);
//(mã, tên sách, nxb, giá, năm xuất bản, thể loại, số lượng)
string newrecord = $"{newbook.bookID}#{newbook.bookName}#{newbook.bookPublisher}#{newbook.bookPriceTag}#{newbook.bookYear}#{newbook.bookCat}#{newbook.bookQty}";
List <string> allrecords = File.ReadAllLines(filePath).ToList();
//thêm bản ghi mới nhất vào lines
allrecords.Add(newrecord);
File.WriteAllLines(filePath, allrecords);
//lưu thông tin sách mới vào nha sach MyBookStore
MyBookStore.mybs.Add(newbook);
Console.WriteLine("\nThem thong tin sach da hoan tat!\n");
//Book.print_header();
//MyBookStore.printBook(MyBookStore.mybs.Count - 1);
MyBookStore.printBook(MyBookStore.findIndex(newbook.bookID));
}