Library System: Requirements, Use Case Diagram, Use Case Textual Description, Sequence Diagram, Class Diagram, Activity Diagram, User Interface Design And Test Case Generation

Task 2: Requirements Documentation

Task 1 Project planning

1.1 Gantt chart : –

1.2 Trello board

2.Requirements Documentation

• Borrower maintains their fine list. Fine is always less than $ 25.
• System automatic calculates fine according to book issue date, the current date and return book date.
• Borrowers only able to check fine detail and if borrower fine greater than $25 then system does not allow borrowing books.
• The only librarian takes the fine and updates the information related to fine in the library system.

3. Use case diagram

4. Use case textual description

4.1 Search/ view books: –

• Name: – Search/ view books
• Version: – search/ view books
• Goal: – to search or view books from the library system
• Summary: – borrower view or search particular book
• Actors: – borrowers, staff
• Pre-condition: – scan barcode card
• Trigger: – scan barcode card
• Basic course of the event: – scan barcode card and search book
• Alternative path: – no
• Postcondition: -select books and request for borrow books
• Business rule: – have barcode card
• Notes: – search or view books from the library system 

4.2 Request for borrow books: –

• Name: – request for borrow books
• Version: – request for borrow books
• Goal: – to borrow books
• Summary: – borrow books
• Actors: – borrower, staff
• Pre-condition: – search and select books
• Trigger: – scan barcode card
• Basic course of the event: – scan barcode card, select books
• Alternative path: -no
• Postcondition: – Matchbook and borrower detail
• Business rule: – have barcode card
• Notes: – request for borrow books

4.3 Matchbook and borrower detail: –

• Name: – matchbook and borrower detail
• Version: – matchbook and borrower detail
• Goal: – match details
• Summary: – matchbook status and borrower pay fine
• Actors: -borrower, staff
• Pre-condition: – request to borrow books
• Trigger: – request to borrow books
• Basic course of the event: – scan barcode card, select books, request to borrow books.
• Alternative path: – no
• Postcondition: – if fine <$25 then allocate books, if fine>$25 then not allocate books, reserve
• Business rule: – scan barcode card
• Notes: – system match borrowers pay fine detail and book status

4.4 If fine >$25 then not allocate books

• Name: – if fine>$25 then not allocate books
• Version: – if fine>$25 then not allocate books
• Goal: – display message does not allocate books please pay your fine
• Summary: – display message does not allocate books please pay your fine
• Actors: – borrowers, staff
• Pre-condition: – match borrowers and book details
• Trigger: – match details
• Basic course of the event: – scan barcode card, select books, request to borrow books, match borrower and book status.
• Alternative path: – no
• Postcondition: – no
• Business rule: -scan barcode card
• Notes: – display message does not allocate books please pay your fine

4.5 Reserve

• Name: – reserve
• Version: – reserve
• Goal: – if books are taken by someone else then display message reserve
• Summary: – if books are taken by someone else then display message reserve
• Actors: – borrowers, staff
• Pre-condition: – match borrower and books detail
• Trigger: – match borrower and books detail
• Basic course of the event: – scan barcode card, select books, request to borrow books, match borrower and books detail
• Alternative path: – no
• Postcondition: – no
• Business rule: – scan barcode card
• Notes: – if books are taken by someone else then display message reserve

 4.6 If fine <$25 then allocated books

• Name: – if fine <$25 then allocated books
• Version: – if fine $25 then allocated books
• Goal: – accept borrower ‘s borrow books request
• Summary: – if the borrower’s fine less than $25 then accept borrower ‘s borrow books request
• Actors: – borrower, staff
• Pre-condition: – if fine <$25 then allocate books
• Trigger: – match borrower and books detail
• Basic course of the event: – scan barcode card, select books, request to borrow books, match borrower and books detail
• Alternative path: – no
• Postcondition: – request to update borrower book detail
• Business rule: – scan barcode card
• Notes: – – if the borrower’s fine less than $25 then accept borrower ‘s borrow books request

4.7 Request to update borrower book detail

• Name: – request to update borrower book detail
• Version: – request to update borrower book detail
• Goal: – to generate a request to the librarian to update borrower book detail.
• Summary: – if the borrower’s fine less than $25 then generate a request to the librarian to update borrower book detail.
• Actors: – librarian, borrowers, staff
• Pre-condition: – if fine >$25 then allocate books
• Trigger: – borrower fine > $25
• Basic course of the event: – scan barcode, select books, request to allocate books, match borrower and books detail, if borrower’s fine >$25
• Alternative path: – librarian update borrowers books detail directly when borrower return the books.
• Postcondition: – update borrowers book detail
• Business rule: – scan barcode card
• Notes: – if borrower’s fine less than $25 then generate the request to the librarian to update borrower book detail.

4.8 Update borrowers book detail

• Name: – update borrowers book detail
• Version: – update borrowers book detail
• Goal: – librarian updates borrower’s book detail.
• Summary: – librarian accepts borrower’s request and updates borrower’s book detail.
• Actors: librarian, borrowers, staff
• Pre-condition: – request to update borrower’s book detail, return books by borrowers
• Trigger: – request to update borrower’s book detail, return books by borrowers
• Basic course of the event: – scan barcode, select books, request to borrow books, match details, if borrower fine >$25 or borrower return books
• Alternative path: – no
• Postcondition: – no
• Business rule: – scan barcode, request to the librarian to update book details when borrower return books.
• Notes: – librarian accept borrower’s request and update borrower’s book detail.

5. Sequence diagram

6.Class diagram of the library system

7. Activity diagram

8.User interface design

· Login, logout, forgot password and registration pages for library admin.

                                                                                                                1. Login page

                                                                                                                2. Logout page

.                                                                                                             3.Registration page 

Task 3: Use case diagram

                                                                                                                 Forgot password page

• Library loans’ interface: This interface at least should able to show loans, overdue loans, history of past loans and search loans with different criteria.

                                                                                                             1. Library Loans’ interface

• Library member’s interface: This interface should include different pages for adding removing, suspending members of the library. It should also have the page for searching member’s information (registered information and loan history).

                                                                                                              1. Library member’s interface

                                                                                                                              2. Add borrowers

                                                                                                                      3.Loan history page

Task 4: Use case textual description

Library borrowable items interface: Library borrowable items fall into different categories including books, audio/videos material, and facility booking (e.g. room, computer). Each borrowable type item should have pages for adding, removing, and searching borrowable items.

                                                                                                         1. Library Borrowable interface

                                                                                                                         2. Borrow book page

                                                                                                                       3. Borrow audio/ video page

                                                                                                                             4. Borrow facility page

9.Test case generation