All Occasion Gifts

Group MembersPriya PradhanRanjani PrasadPaul Hennigan

Group #4

Agenda• Business Requirements• Context Diagram• Level 0 DFD• Level 1 DFD

Business Requirements• System should allow customers to browse gifts by

categories• System should allow customer to add items to

shopping cart• System should allow customers to do secure

payment online• System should allow customers to rate the product and also view product rating

Business Requirements contd.• System should allow employees to check inventory

status • System should allow employees to generate Sales

Report at regional and national level• System should allow employees to generate

product ratings reports

LEVEL 0 DFD

External Entity• Customer

• Manager/Supervisor

• Credit Card Clearinghouse

Processes• Browse Products

• Order Products

• Check Order Status

• Generate Reports

LEVEL 0 DFD

Data Store• D1 product_category

• D2 product

• D3 customer

• D6 customer order

• D7 employee

LEVEL 1 DFD PROCESS 1 (Browse Products)

External Entity• Customer

• Processes• Process Search Products• Process Product Selection• Process adding Product to shopping cart

Data Store• D1 product_category• D2 product• D4 cust_shop _cart

LEVEL 1 DFD PROCESS 2 (Order Products)

External Entity• Customer• Credit Card Clearinghouse

• Processes• Create Customer Account• Process Customer Account• Process Payments• Confirm Purchase

Data Store• D3 customer• D5 payment• D6 customer Order

LEVEL 1 DFD PROCESS 3 (Generate Reports)

External Entity• Supervisor/Manager

• Processes• Create Inventory Status Report• Create Regional Sales Report• Create National Sales Report

Data Store• D1 product category• D2 product• D3 Customer• D6 customer Order• D7 region state

Level 1 DFD for Process Generate Reports

Questions ??

Thank You!