Use case diagram
1.1 Functional requirements
Authentication: The authentication is the process of verifying user
access to the system. In order to implement authentication in system, a
single or combination of values are provide to the user which is unique.
Such as a user of social media website can have unique value of user id
which is combined with password. Authentication makes sure that only
the recognized users are getting access to the system. The proposed
library system will provide user id and password to the users. The user
id will be unique and password will be for verifying that user is not being
used for any cybercrime.
Authorization: The authorization is implemented for verifying the user
access to specific information and function of the system. The system
will have different authorization levels for different user types. This is
allow the system to identify which parts of the system is accessible by a
specific user group. Taken as an example, the admin can add, update
and delete books in the system but the normal members can only
search, book and reserve books. The authorization will prevent the lower
level user groups to access the information of higher groups. The admin
can see the information of normal members but the members cannot
see the details of admin.
Manage Items: Managing items in the library is an essential part of the
system. This requirement will be dealing with the addition, deletion and
update of items in the system. The system will be providing this option
to the admin only. When a new stock arrives at the library, the admin
will add those items in the system. An item can be new to library in that
case an item will be added, if the item is already available then the copy
of the item will be updated. This case is applied for the deletion of items
also.
Borrow Items: The system will allow both the staff and the student to
borrow items. The system will track the item availability and allow the
staff and student to borrow items. The system will use the member id
and item id to check whether the item is available for rent. In case, the
item is not available, the member can reserve items for later rent.
Students can reserve up to 3 items and borrow up to 5 items but staff
can reserve up to 5 items and borrow up to 10 items.
Calculation of Fines: The system will automatically fines for all the
late returns. The system will have an input for return of item when an
item is borrowed. At the time of return, the system will check the
expected return date and actual return date. If the actual return date is
more than expected return date then fines will be applied to the returns.
Reporting: The system will have inbuilt function of generating reports.
The reports will be consisted of information like loans, items availability,
item purchase, student and staff. These reports will be created based on
the data stored in the database.
Auditing: The admin will audit the system periodically to maintain the
system security and integrity. Periodical audits will ensure that there will
be no threats or malware in the system.
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System Analysis and Design Solution: QAC020C154S Coursework 1