public List<Book> GetBooks()
{
Book book = new Book();
try
{
string[] read = File.ReadAllLines(fileName);
List<Book> bookinfo = new List<Book>();
foreach (string x in read)
{
string[] list = x.Split(',');
// System.Diagnostics.Debug.WriteLine(list[0]);
bookinfo.Add(new Book()
{
ID = list[0].Replace("[comma]", ","),
name = list[1].Replace("[comma]", ","),
author = list[2].Replace("[comma]", ","),
year = Convert.ToInt32(list[3]),
price = Convert.ToSingle(list[4].Substring(1)),
stock = Convert.ToInt32(list[5])
});
}
return bookinfo;
}
catch (Exception)
{
return null;
}
}
public Boolean AddBook(string ID, string Name, string Author, int year, float price, int stock)
{
string lines;
Book newbook = new Book();
ArrayList listOfStrings = new ArrayList();
try
{
//Check DUPLICATED ID -->Check in Add
CK_Duplicate = true;
NewID = ID;
List<Book> linesList = GetAllBooks();
//Other INPUT validation
if (CanAdd == true && (Name.Trim()).Length > 0 && (Author.Trim()).Length > 0
&& year > 0 && price > 0 && stock > 0)
{
NewID = "";//Empty for reusing
//Format
string m = ",";
newbook.ID = ID.Replace(",", "[comma]");
newbook.name = Name.Replace(",", "[comma]");
newbook.author = Author.Replace(",", "[comma]");
newbook.year = year;
newbook.price = price;
newbook.stock = stock;
if (CanAdd == true)
{ //ADD NEW --> LIST
linesList.Add(newbook);
foreach (Book fb in linesList)
{
lines = fb.ID + m + fb.name + m + fb.author + m + fb.year +
m + "$" + fb.price + m + fb.stock;
Debug.WriteLine(lines);
listOfStrings.Add(lines);//Format same as TEXT file
}
string[] bList2 = new string[listOfStrings.Count];
bList2 = (String[])listOfStrings.ToArray(typeof(string));
System.IO.File.WriteAllLines(fileName, bList2);
return CanAdd;
}
else { return CanAdd; }
}
else
{
return false;
}
}
catch (Exception)
{
return false;
}
}
