nilportugues / softarch-1617-server

SoftArch Store

Class project for the Software Architecture 2016-17 Course, Polytechnic School, University of Lleida

Vision

For buyers and sellers who are interested in buying and selling second hand products. The project SoftArch is a second hand marketplace that allows users to:

• Post ads ¹
• Promote ads
• Search products
• Private messaging
• Buy / Buyer counter-offer (public)
• Seller counter-offer / Sell (accept buyer counter-offer)

Unlike other second hand apps, our project provides negotiation features (counter-offers).

Features per Stakeholder

Seller	Buyer
Post ad 1	Search ads
Sell	Buy
Update price	Buyer offer
Private message	Private message
Reject buyer offer	Add ad to wishlist
Update price	Cancel buyer offer
	Complete purchase

¹ Including price, time limit, min. price, product type, location...

Entities Model

![Entities Model Diagram](http://g.gravizo.com/g? @startuml; class Advertisement {; Seller seller; List pictures; String location; Time time; Decimal price; }; Advertisement "many" -up- "1" Seller; Advertisement "1" -down- "many" Picture; class Picture; class User; class Seller extends User {; List sells; }; class Buyer extends User {; List whishes; }; class Purchase {; Buyer purchaser; Advertisement product; Time time; }; Purchase "many" -up- "1" Buyer; Purchase "0..1" -right- "1" Advertisement; class BuyerOffer {; Buyer agent; Time time; Decimal price; Boolean isActive; }; BuyerOffer "many" -left- "1" Advertisement; class PrivateMessage {; User sender; User receiver; }; PrivateMessage "many" -left- "2" User; @enduml )