LSP-System
♦ Librarian can manage books (create, list, update, delete), besides filtering the books by
the unique identification code (ISBN) and the rack number for each book.
♦ Librarian can manage the user requests of borrowed books, and limit number of books
that can be borrowed by the user, and the date of return.
♦ Normal user cannot log in until the librarian approve their account.
♦ User can search for the books available in the system.
♦ The user can borrow books and show the history of borrowed books.