CIS6003: Black Lotus (BL) Case Study - Stock Availability - User Friendly Interfaces - IT/Computer Science Assignment Help

Assignment Task:

Scenario 
 
Black Lotus (BL) is a well-reputed Cake supplier in Sri Lanka BL has company own cake selling outlets and also has a number of linked sellers who buy and resell BL Cakes. Currently, all the communication happens via phone calls and BL  outlets keep the manual entry of all the transactions. BL main office keeps an Excel sheet to keep track of orders and stocks.  
The current communication process and record-keeping method has led to many problems in BL such as order misplacement, double reserving, delays in supplying, etc. The company management has decided to implement the sales and stock management systems to overcome these issues and improve service and profits.  
The application should implement the following functions 

• Manage category 
• Manage data and stock 
• Manage orders 
• Check stock availability using Cake name or codes 
• View Cake names and codes 

Also, third-party vendors should able to check stock availability, and also can place orders. 
Use web-based Java technologies to automate the above service.  
Students are free to make necessary assumptions on system design & granting access permissions according to the scenario, but all suggestions must be well explained with valid reasons. 
Provide a well-designed, user-friendly system addressing the following features: 

The system should have differential access rights to the system users. 

• Interactive user-friendly interfaces 
• Clear implementation of the business flow via the system. 
• Design & implement suitable sets of reports, which you think will add more value to the entire business 
• Use test-driven development and include test classes  to test your application 

Students are free to make necessary assumptions on system design & granting access permissions other than mentioned within the scenario, but all suggestions must be well explained with valid reasons. 
Students can add any functionality which will enhance the system and make the proposed solution more comprehensive.   

Tasks - (CIS6003)
 
a) Provide a requirement specification for the proposed system.
b) Provide the UML diagrams for the given problem with clear explanations of the design decisions. Derive detailed Use Case diagram, Class diagram & a sequence diagram. Whenever necessary document the relevant assumptions you made.  
c) There are many system design patterns available in system development. Critically evaluate singleton, factory, and abstract factory design patterns and apply the most suitable design pattern for your system development. 
d) Develop an interactive set of interfaces to get the necessary user inputs. Make sure to implement proper validation mechanisms in order to restrict invalid entries to the system. Come up with a suitable set of reports, which you will think to add more value to your system 

i. Your program must have a clear, three-tiered organization. That is the program should have distinct and separate data access, business logic, and user interface layers.  

ii. Your program should make use of a proper database to store information.    
e) Document the test plan and explain how you used test-driven development in this scenario. This includes test rationale, test plan, test data and proper application of the test plan (LO II)   
f) Create user and technical documentation for the developed solution. 
g) Critically evaluate your ethical considerations in developing the solution as well as justify the tools and functionality you have used to achieve software carpentry and codemanship.

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