Customer and Restaurant User Interface Design

1
Customer and Restaurant User Interface Design

• James McMillan
• Robert Murphy
• Chris Neil
• Andy Terra

2
Introduction

• Customers want an easy way to order pizza without
  new hardware to purchase or install.
• Restaurants want an easy way to accept orders
  without purchasing or installing new hardware.
• Restaurants want to take orders without trying up
  the phone line. Customers do not want a busy
  signal.
• Task Design a system to appeal to both customer
  and restaurant needs

3
Interface Solution

• Design a web based interface that the restaurant
  user can update and the customer user can use
  from any web p.c.
• The Web application must work with technologies
  (Database and other) to track menu items, order
  items, orders, prices and order totals.

4
High Level System Requirements Summary (1st
Iteration)

• (From Class Notes)
•  
• Customer Places Order
• Display Menu
• Allow Selection of Menu Items
• Menu should request info from Database.
• Present Total Cost
• Allow choice of Pickup or Delivery
• Pickup (Customer Enters Name)
• Delivery (Customer Enters Name, Address, Phone)
• Submit Order
•  
• Restaurant Receives Order (Client on restaurant
  side)
• Client Browser on correct page to receive order.
• System Signals New Order
• System Acknowledges Order
• System says Thank You (dummy response)
•  

5
1st Iteration System Domain Model (from class
notes)
Ack
1
gets
1
1
1
triggers
places
1
1
ListOf Orders
Restaurant
Has a
Consists of
1
1

1
1
1
Has a
Consists of
1
1..
Has multiple or none
CustomerOrdersItems
Menu
1

Consists of
1
1..
6
Customer Collaboration Diagram
7
Customer Sequence Diagram

• loop

8
Restaurant Sequence Diagram
9
1st Iteration Operation Contracts
Contract displyMenuHTML Operation
displayMenuHTML() Cross Reference Customer
Collaboration Diagram Pre-conditions Web
Session is underway. Post-conditions A
menuItemsList is retrieved and displayed, along
with price information.
Contract pizzaWebsite Operation
pizzaWebsite() Cross Reference Customer
Collaboration Diagram Pre-conditions Hungry
Customer, Web Apps Installed. Post-conditions
Web Session was created.
Contract asksFor Operation asksFor() Cross
Reference Customer Collaboration
Diagram Pre-conditions Customer Object receives
pizzaWebsite() request. Post-conditions A
menuItemsList is retrieved from the Menu Object.
Contract places Operation places(customerName,
items) Cross Reference Customer Collaboration
Diagram Pre-conditions Menu is displayed to
customer. Post-conditions A customer name is
associated with this order, customerName and
items are assigned.
Contract displayAckScreen Operation
displayAckScreen(totalPrice) Cross Reference
Customer Collaboration Diagram Pre-conditions
Customer placed order. Post-conditions Thank
You displayed to customer, along with total
price of order.
Contract getItem Operation getItem() Cross
Reference Customer Collaboration
Diagram Pre-conditions An asksFor request is
received Post-conditions A menuItem is
retrieved from the MenuItems Object, along with
price information.
Contract submitOK Operation
submitOK(customerName) Cross Reference Customer
Collaboration Diagram Pre-conditions Customer
received Ack with price info. Post-conditions
CustomerACK object receives order. This order
associated with customerName. CustomerACK adds
this order to ListOfOrders Object via
addToOrderList.
Contract menuItemList Operation
menuItemList(price) Cross Reference Customer
Collaboration Diagram Pre-conditions An asksFor
request was received. Post-conditions Customer
Object received menuItemList.