public static List <Book> getData()
{
List <Book> books = new List <Book>();
var lines = File.ReadAllLines("BookData.txt");
foreach (var line in lines)
{
var bookArray = line.Split(':');
if (bookArray[3].Trim().Equals("HardCopy", StringComparison.OrdinalIgnoreCase))
{
Hardcopy hardBook = new Hardcopy();
hardBook.setName(bookArray[0].Trim());
hardBook.setAuthor(bookArray[1].Trim());
hardBook.setGenre(bookArray[2].Trim());
hardBook.setType(bookArray[3].Trim());
hardBook.setYear(bookArray[4].Trim());
books.Add(hardBook);
}
else if (bookArray[3].Trim().Equals("SoftCopy", StringComparison.OrdinalIgnoreCase))
{
Softcopy softBook = new Softcopy();
softBook.setName(bookArray[0].Trim());
softBook.setAuthor(bookArray[1].Trim());
softBook.setGenre(bookArray[2].Trim());
softBook.setType(bookArray[3].Trim());
softBook.setVersion(bookArray[4].Trim());
books.Add(softBook);
}
}
books.Sort();
return(books);
}
public static void addBook()
{
var externalFile = new ExternalFile();
Console.WriteLine("Enter Book Type - hardcopy or softcopy");
string givenType = Console.ReadLine();
if (string.Equals(givenType, "hardcopy", StringComparison.OrdinalIgnoreCase))
{
Console.WriteLine("Enter Book Name");
string givenName = Console.ReadLine();
Console.WriteLine("Enter Author");
string givenAuthor = Console.ReadLine();
Console.WriteLine("Enter Genre");
string givenGenre = Console.ReadLine();
Console.WriteLine("Enter Year");
var givenYear = Console.ReadLine();
Hardcopy book = new Hardcopy(givenName, givenAuthor, givenGenre, givenYear, givenType);
externalFile.writeData(book);
Console.WriteLine("Book has been Added");
Console.WriteLine("*******************");
}
else if (string.Equals(givenType, "softcopy", StringComparison.OrdinalIgnoreCase))
{
Console.WriteLine("Enter Book Name");
string givenName = Console.ReadLine();
Console.WriteLine("Enter Author");
string givenAuthor = Console.ReadLine();
Console.WriteLine("Enter Genre");
string givenGenre = Console.ReadLine();
Console.WriteLine("Enter Version");
var givenVersion = Console.ReadLine();
Softcopy book = new Softcopy(givenName, givenAuthor, givenGenre, givenVersion, givenType);
externalFile.writeData(book);
Console.WriteLine("Book has been Added");
Console.WriteLine("*******************");
}
else
{
Console.WriteLine(givenType + " is not a valid type.");
}
}
public void writeData(Book book)
{
if (book.getType().Equals("HardCopy"))
{
Hardcopy b = (Hardcopy)book;
string bookData = b.getName() + ":" + b.getAuthor() + ":" + b.getGenre() + ":" + b.getType() + ":" + b.getYear();
File.AppendAllText("BookData.txt", bookData + Environment.NewLine);
}
else
{
Softcopy b = (Softcopy)book;
string bookData = b.getName() + ":" + b.getAuthor() + ":" + b.getGenre() + ":" + b.getType() + ":" + b.getVersion();
File.AppendAllText("BookData.txt", bookData + Environment.NewLine);
}
}
public void writeAllBooks(List <Book> books)
{
File.WriteAllText("BookData.txt", String.Empty);
foreach (var book in books)
{
if (book.getType().Equals("HardCopy", StringComparison.OrdinalIgnoreCase))
{
Hardcopy b = (Hardcopy)book;
string bookData = b.getName() + ":" + b.getAuthor() + ":" + b.getGenre() + ":" + b.getType() + ":" + b.getYear();
File.AppendAllText("BookData.txt", bookData + Environment.NewLine);
}
else
{
Softcopy b = (Softcopy)book;
string bookData = b.getName() + ":" + b.getAuthor() + ":" + b.getGenre() + ":" + b.getType() + ":" + b.getVersion();
File.AppendAllText("BookData.txt", bookData + Environment.NewLine);
}
}
}