Read it Again Books

Inventory and sales systemDeveloped by:

Sukesh BodavulaAndy Moon

Raghu Ram Vempali

Business ProcessesBook acquisition• Customers bring in their used books for in-store credit• Bulk purchases from estates, libraries, etc.

Book sales• In-store sales, both cash and customer credit• Online sales

o Amazon.como Half.com

Inventory management• Inventory entered into online stores one by one using a

form provided by Half.com or Amazon.comSales process• Items sold on Amazon or Half are downloaded several

times a day and then our staff packs and ships the books directly to the customers

System RequestCustomer database• Manage marketing efforts• Amount of store credit

Inventory database• Flags to indicate listing online or presence in-store

Processes• Remove online listings once sold• UPC check with bar code scanner (interface with

existing POS)

Context Diagram

• External Entities– Employees– Customers

Context diagram

Customer EmployeeRIA Books

Customer Info

Book requests

Credit queries

Customer Info

New books

Report criteria

Sales info

Receipt

Credit balance

Credit balance

Report results

Book add confirmation

Level 0 DFD

• Processes– Process Inventory– Generate Reports– Process Sales– Process Customer Data

• Data stores– Inventory database– Customer database

Level 0 DFD

Process Inventory Level 1

• Processes– 1.1 New book– 1.2 Get book information

• Data stores– D1 Inventory– D3 Amazon

Process Inventory Level 1

Generate Reports Level 1

• Processes• 2.1 Generate inventory report• 2.2 Generate customer report• 2.3 Update online stores

• Data stores• D1 Inventory• D2 Customer• D3 Amazon• D4 Half

Generate Reports Level 1

Process Sales Level 1

• Processes• 3.1 Find Books• 3.2 Place in shopping cart• 3.3 Check out• 3.4 Process return• 3.5 Process trade in

• Data stores• D1 Inventory• D2 Customer

Process Sales Level 1

Process Customer Data Level 1

• Processes• 4.1 Credit request• 4.2 Update information

• Data stores• D2 Customer

Process Customer Data Level 1

Q & A