Use Case Diagram: Client Registration for Car Sales and Purchases

This assignment presents a detailed use case diagram for client registration within a car sales and purchase system. The diagram outlines the process of registering new clients, including the verification of driving license details through the "Qatar Traffic Police System." The process begins with the client accessing the website and initiating registration. The system verifies the provided information, and upon successful verification, the client receives a unique account ID for system login. The assignment also describes the verification process, potential error handling, and the overall functionality of the system. It emphasizes the importance of accurate data entry and provides insights into the non-functional requirements, such as error messages and successful registration notifications. This use case diagram offers a clear understanding of the client registration workflow within the car sales and purchase environment.

Use Case diagram: client registration to buy or sell a car.
Description of use case diagram if client want to buy or sell a car then he/she have to register
first and client will provide some registration like address, credit card details and driving license
details. The driving license details are approved by the Quatar traffic Police System
automatically and then the all details are saved to OCS System. Unique id is generated for the
client so that he/she can login to system and can do further process.

Use Case CLIENT REGISTRATION TO BUY OR SELL A CAR
Description The goal of this use case diagram is to define the process of new client
registration to OCS system so that he/she can buy or sell a car by logged in to
system. This use case only describes the process of registration and
verification of new client driving license details.
Actors Here physically only one actor exists that is client he/she could be buyer or
seller for cars.
Assumptions By creating this use case this is assumed that client will able to register to
OCS system and at the time of registration the user driving license details are
verified from the “Quatar Traffic Police System” automatically. Here can be
two cases.
Case 1: the entered driving license details are wrong, in this case user will be
asked again to enter the details again.
Case 2: the user entered all details are correct and driving license details are
also verified. Then user will be successfully get registered to OCS system.
He/she will be provided with an account id so that client able to login to OCS
system to do further processes.
Steps
1- First user go to main page of website
2- If he/she new client then they will have to register first
3- The registration details are verified like driving license details are also
verified.
4- After verification of details the user will be registered to OCS system
5- After registration the client able to login to OCS system with the
provided login id.
Non-
Functional
If there is any incorrect data in user registration details then system must show
the appropriate message to user and chance to correct them again.
If client provided details are correct then a successful registration message
will display to client with the account login id.