public static BookRegister ReadBooksJson(string fileName)
{
BookRegister allBooks = new BookRegister();
string jsonString = File.ReadAllText(fileName);
var array = JArray.Parse(jsonString);
foreach (var item in array)
{
allBooks.Add(item.ToObject <Book>());
}
return(allBooks);
}
private BookRegister FilterByAvailability(bool available, TakenBookRegister takenBooks)
{
BookRegister filtered = new BookRegister();
foreach (Book book in this.allBooks)
{
if (takenBooks.Contains(book.ISBN) != available)
{
filtered.Add(book);
}
}
return(filtered);
}
private BookRegister FilterByName(string name)
{
BookRegister filtered = new BookRegister();
foreach (Book book in this.allBooks)
{
if (book.Name.ToLower() == name.ToLower())
{
filtered.Add(book);
}
}
return(filtered);
}
private BookRegister FilterByISBN(string ISBN)
{
BookRegister filtered = new BookRegister();
foreach (Book book in this.allBooks)
{
if (book.ISBN == ISBN)
{
filtered.Add(book);
}
}
return(filtered);
}
private BookRegister FilterByLanguage(string language)
{
BookRegister filtered = new BookRegister();
foreach (Book book in this.allBooks)
{
if (book.Language.ToLower() == language.ToLower())
{
filtered.Add(book);
}
}
return(filtered);
}
private BookRegister FilterByCategory(string category)
{
BookRegister filtered = new BookRegister();
foreach (Book book in this.allBooks)
{
if (book.Category.ToLower() == category.ToLower())
{
filtered.Add(book);
}
}
return(filtered);
}
private BookRegister FilterByAuthor(string author)
{
BookRegister filtered = new BookRegister();
foreach (Book book in this.allBooks)
{
if (book.Author.ToLower() == author.ToLower())
{
filtered.Add(book);
}
}
return(filtered);
}
