//=============================== The code BELOW will not be graded ===============================
/// <summary>
/// Adds a readable to the list of readables in case there is no readable with the same id or title.
/// </summary>
/// <param name="readable">readable to be added</param>
public void AddReadable(Readable readable)
{
foreach (Readable r in readables)
{
if (r.Id == readable.Id || r.Title == readable.Title)
{
return;
}
}
readables.Add(readable);
}
/// <summary>
/// Receives a readable
/// </summary>
/// <param name="id">ID of the readable to be received</param>
public void ReceiveReadable(int id)
{
Readable r = GetReadable(id);
if (r is Book)
{
if (((Book)r).IsBorrowed())
{
((Book)r).Receive();
}
else
{
throw new NotABorrowableException("The book is already received.");
}
}
else
{
throw new NotABorrowableException("The readable is not borrowable.");
}
}
// Provide your answers in the area below.
/// <summary>
/// Borrows a readable
/// </summary>
/// <param name="id">ID of the readable to be borrowed</param>
/// <param name="name">Name of the borrower</param>
public void BorrowReadable(int id, string name)
{
Readable r = GetReadable(id);
if (r is Book)
{
if (!((Book)r).IsBorrowed())
{
((Book)r).Borrow(name);
}
else
{
throw new NotABorrowableException("The book is already borrowed.");
}
}
else
{
throw new NotABorrowableException("The readable is not borrowable.");
}
}