ONLINE AUCTION SITE

Design and implement a Client$/$Server solution that operates as an online auction site

Seller

Bidders

$2.$ Create bidding info

Auction Site

Upload: item info start price time limit

Bid on item

$3,6.$ Store bidding info

Data Storage

Update bidding info

Close auction

Notify buyer and seller

MINIMUM SUPPORTED OPERATIONS

Data Storage

Store user information

Store$/$Search$/$Update Items for sale and Bidding information

Auction Site

Login$/$Logout users

Accept ltems for sale

Accept Bids

Decide on auction end and winner

Notify seller and buyer

Client

Login$/$Logout

Collect and send item information

Search for items for sale

Submit bids

Get seller$/$buyer information for winning bid

$($c$)$ Niged John

$\frac{1}{25}\frac{?}{24}$

ASSUMPTIONS

You only need to support one user at a time

Must have a login $($username$,$ password$)$

Have one Data Storage server

Have one Auction Site server

Users must login to:

Submit items

Submit bids

Check results

Will use TCP for Auction protocol and Storage protocol

BASIC OPERATIONS

Login $/$ Logout

User must login to system before they can issue any command including status checks

Must logout when done

Only one user at a time

List Items

Can list Items for sale

Can list Items currently bidding on

Add Items

Add a new items for sale

Make Bid

Bid on an item

Get Results

Retrieve a successful bids

Get seller$/$buyer information for successful bids

PART I

$\backslash$table$[[\backslash$table$[[$Decide on a Data Model to represent$],[$your users, items, bids$]],$Submit:$],[-$ Data model design$],[\backslash$table$[[$Decide on the separation of Business$],[$Logic and the operational flow$]],-$ Business Logic$],[-$ Server state chart$],[$Storyboards$,-$ Client state chart$],[\backslash$table$[[$Design an application protocol to$],[$support your design$]],-$ Application protocol design$],[$Create Client and Server state charts,$\backslash$table$[[$Clearly describe your designs and charts$],[$and justify your proposed solutions$]]],[\backslash$table$[[$Include an example session showing$],[$information exchanged$]]]]$