Software Requirements Specification Essay Example for Free

Softw atomic number 18 Requirements particular(prenominal)ation Essay1. conception1.1 PurposeOnline Shopping Software main purpose is to provide customers with the possibility to perform online grease ones palmss on products already on store. nodes are identified properly and are able to perform online exercises employ tercet kind of methods either using credit card or banking documents, but also through PayPal account. Online guests are divided on two categories upon using upr account lineaments basal and business. Basic accounts beside other attributes contain a specific one named Fidelity which deals with the number of years the intentr has been joining the online fund. On the other render is business plan which is characterized uniquely by the Volume attribute that is the total amount of transactions performed inside the online shop.The customer is able to operate throughout the brass after properly authenticated. He is able to farm a cart and add products t o it or delete them as well. Then he decides whether he capability go on with the checkout operation and complete the secure. Once the user decided upon the plan to use basic or business, he is given the alternatives to pay through the previously mentioned methods accordingly. Once the leverage is confirm by the customer and admitted by shop commission, customer details come into use in suppose to define the shipping address and other supplementary t apieceing. Customer is given the possibility to view and yarn-dye some information regarding his activity on the shop.For instance he brush aside print the number of purchases realized by him from eh beginning of the current year. He bay window print the status of previously performed purchases and decide whether to part or not a specific purchase if it is still in not operable status. During the exploit of product selection and addition to cart specifying correspond quantity the system automatically checks if the product is available within the quantity or not. In national of negative response the system generates a bespeak to the product supplier. Stated in short terms this is the overall situation on hand.1.2 Document ConventionsSpecific terminology is used throughout the specification of the system. User Profile stands for the profile of the customer (person) opened in the software. One person can have quadruplicate profiles using different emails. A profile can be linked to none or one account type. Person defines an realperson who has an individuation defined by class attributes. A person can have multiple profiles and consequently multiple accounts. For instance a person can have a basic and a business account. accountancy defines an entity that enables the user to operate throughout the system and perform purchases. It is the super class of two other classes severally Basic and Business which extend the super class. Payment defines an entity that enables an account to perform a payment tra nsaction using one of alternative methods.Purchase defines an entity that encapsulates a purchase object. A purchase is specified by a unique number and status thus using the Status class. Cart stands for a container that holds selected products during the seance and is included by a purchase. Cart Products as the name itself defines an entity that makes possible trading operations of addition, deletion, and selection of products in and from the cart. Bank Transfer stands for a payment method when using a basic plan. Credit measure stands for a payment method using a credit card when using a basic plan. PayPal defines a payment method when using business plan. In this showcase it includes a PayPal service using a previously configured PayPal account.1.3 Intended Audience and Reading SuggestionsThe system is worth using by an audience that is interested on buying online products and benefit from facilities offered in such a case. Facilities are pitch time, saving money by select ing the best offer, comfort circumstances, safety of money transactions etc1.4 Project desktopThe scope of this give is to design and develop a system that is required to shops when they need to operate online, cuckold products online. The shop can keep an electronic history of all purchases and transactions. This gives more control over the operations that the company offers. The system can be adapted to a range of shops from simple small ones to bulky markets.A shop can outsource the function of shipping to another external company or can handle it itself. Project scope also includes financial transactions that call for other third gear party services like PayPal. Project scope from customer perspective, limits the range of customers to only those who have net connation on some form and have a bank account in hand. The aim of this project is to promote an efficient, user-friendly, time-fashionable, safe way for customers to bye and receive products without being physically at a shop thus using virtual money.2. UML Diagrams2.1 Use circumstance Diagrams Online Shop from user perspective use case description This use case provides the viewpoint for the all in all process from user perspective. Customer sees only the necessary functions that the system must define. Actors Online Customer Preconditions Customer must have a bank account. Base Case 1. Customer must log in and authenticate2. 3. 4. 5. 6.Customer must choose the type of purchase to perform Customer can view and select products Customer can perform a purchase Customer can cancel a purchase He can view additional information regarding the purchaseAlternative Flows None Post conditions Customer performs transactions based on defined accounts. extra information/Issues NoneView Products Use CaseDescription View products use case describes the whole operations a user can perform on a product currently on the store. It also describes an exceptional case when a product is not available on the quanti ty required. Preconditions Customer must login and authenticate firstly Base Case 1. Customer can view the products 2. he can select the products3. 4. 5. 6. 7.he can add the products to cart he can define quantities on say products system checks whether the quantity is satisfied or not system responds to client with approving the purchase system generates an automatic order to products supplierAlternative Flows None Post conditions Customer performs transactions based on defined accounts. Additional Info/Issues NoneMake Purchase Use CaseDescription This use case defines the cycle when customer makes a purchase. When deciding to perform a purchase the customer tax return to the checkout operation and then to the payment method and according verifications.Preconditions Customer must confirm the terminal form of the cart and products already in. Base Case 1. Customer must complete with the cart 2. he is taken to the checkout step 3. he is forwarded to a payment method based on the p urchase type that he decided beforehand. Alternative FlowsThe customer may cancel the purchase when it is in Not Available yet status. Post conditions Customer performs transactions based on defined account. Additional Info/Issues Includes third party accounts like PayPal or musical accompaniment bank documents.Payment Use CaseDescription Payment use case deals with the cycle of performing a payment through on of the methods mentioned. Preconditions Customer must authenticate and decide upon the type of purchase to commit. Base Case 1. Customer decides on the type of method to pay using either credit card or providing bank documents in case of basic type of purchase. 2. he decides upon PayPal method to pay if he decides on business purchase type. 3. each of the methods forward the user to the corresponding sites where he can enter credit card info, or upload a document or confirm a PayPal account. Alternative Flows NonePost conditions Customer performs transactions based on defined account. Additional Info/Issues Includes third party accounts like PayPal or supporting bank documents.