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The document presents level 0 and level 1 context diagrams for the GHF online ordering system. The level 0 diagrams show the interactions between registered customers, unregistered customers, GHF admin/clerks, and the system for functions like customer registration, login, ordering, payment, delivery, and maintenance. The level 1 diagrams provide more detail on specific processes within the system like product, category, type, and company profile maintenance.
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- 1. Order Information Order Details 0 GHF Online GHF Manual Ordering Registered Customer Ordering System GHF Admin System Receipt Order Details Figure 5 Context Diagram of GHF Current System
- 2. Order Specification Order Details GHFOnlineOrd Registered Customer ering System GHF Admin Invoice/Receipt Order Confirmation Figure 6 Context Diagram of GHF Online Ordering System
- 3. CustomerValid Account Customer Account Details 1 Unregistered Customer Customer Registration Table Customer Information Customer Information Figure 6.1 Level 0 Diagram of GHF Online Ordering System
- 4. Username and Password Customer Username and Password Registered Customer Access to System Front-end Retrieved Username and Password Customer Username and Password Table 2 Username and Password GHF ADMIN LOGIN Access to Admin Form Retrieved Username and Password Admin Table GHF CLERK Username and Password Username and Password Access to Back-end Retrieved Username and Password Figure 6.2 Level 0 Diagram of GHF Online Ordering System
- 5. Customer Details Verified Customer Account Customer Table Customer Information, Order Specification Order Details 3 Registered Customer Order Table Ordering Order Confirmation Invoice/Receipt Inquiry of Available Products Product Table List of Available Products for sale Figure 6.3 Level 0 Diagram of GHF Online Ordering System
- 6. Order and Payment Information Payment Details 4 Registered Customer Payment Payment Table Invoice/Receipt Payment Details Figure 6.4 Level 0 Diagram of GHF Online Ordering System
- 7. Order and Delivery Information Delivery Details 5 Registered Customer Delivery Delivery Table Invoice/Receipt Delivery Details Figure 6.5 Level 0 Diagram of GHF Online Ordering System
- 8. Front-End Reports Front-End Updates 6 Username and Different GHF ADMIN/CLERK Password Maintenance Database Front-End Updates Details Figure 6.6 Level 0 Diagram of GHF Online Ordering System
- 9. Product Updates Product Information 6.1 Product Information GHF ADMIN/CLERK Product Product (New Product/ New Table Product Details) Maintenance Product Details Figure 6.6.1 Level nDiagram of GHF Online Ordering System
- 10. Category Updates Category Information 6.2 Category Information GHF ADMIN/CLERK Category Product Category (New Category / New Table Category Details) Maintenance Category Details Figure 6.6.2 Level n Diagram of GHF Online Ordering System
- 11. Type Updates Type Information 6.3 Type Information GHF ADMIN/CLERK Type Table Product Type (New Type / NewType Details) Maintenance Type Details Figure 6.6.3 Level n Diagram of GHF Online Ordering System
- 12. Company Profile Updates Company ProfileInformation Company 6.4 ProfileInformation Company GHF ADMIN/CLERK Company Profile (New Company Profile/ Profile Table Maintenance New Company ProfileDetails) Company ProfileDetails Figure 6.6.4 Level n Diagram of GHF Online Ordering System