/// <summary>
/// Returns the list of overdue books
/// </summary>
/// <returns>List of overdue books</returns>
public IEnumerable <Book> GetOverdueBooks()
{
try
{
var books = _booksRepository.GetAll();
var overdue = _borrowDetailsRepository.GetAll().Where(x => x.DueDate < DateTime.Today);
IEnumerable <Book> overdueBooks = (from book in books
join overdueBook in overdue
on book.Id equals overdueBook.BookId
select new Book()
{
Id = book.Id, Name = book.Name
});
return(overdueBooks);
}
catch (NullReferenceException)
{
return(new List <Book>());
}
catch (ArgumentNullException)
{
return(new List <Book>());
}
}
/// <summary>
/// Assigns a book
/// </summary>
/// <param name="studentId">student Id</param>
/// <param name="bookId">book Id</param>
/// <returns>Returns true if borrowing was successful, else false</returns>
public bool AssignBook(int studentId, int bookId)
{
var borrowedBook = _booksRepository.Find(bookId);
if (borrowedBook == null)
{
return(false);
}
IList <AssignDetails> borrorDetails = _borrowDetailsRepository.GetAll() as IList <AssignDetails>;
borrorDetails.Add(new AssignDetails()
{
Id = borrorDetails.Count + 1,
BookId = bookId,
StudentId = studentId,
DueDate = DateTime.Today.AddDays(AssignDetailsRepository.NoOfDaysBookToBeAssigned)
});
return(true);
}