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Group #4. All Occasion Gifts. Group Members Priya Pradhan Ranjani Prasad Paul Hennigan. Agenda. Business Requirements Context Diagram Level 0 DFD Level 1 DFD. Business Requirements. System should allow customers to browse gifts by categories
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Group #4 All Occasion Gifts Group Members PriyaPradhan Ranjani Prasad Paul Hennigan
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 customersto 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