Ludiiprice : API para comparação de preços através de notas fiscais de produtos emitidas por estabelecimentos comerciais

Abstract

In everyday life, the practice of comparing prices of products in supermarkets helps their consumers to have the best possible savings during a purchase. However, the methods used in this practice are not always efficient, causing many people to come across outdated prices or products that are not relevant, whether in pamphlets, cell phone applications or other means. In this way, this monograph consists of modeling and developing the price comparison API that powers LudiiPrice, an application for Android devices, created to assist in the economy of wholesale and retail product purchases, whose base by scanning the QR code of tax coupons. To learn about the solutions that already exist on the market and assist in the survey of API requirements, a questionnaire on the population’s consumption habits and a market survey were carried out. Among the functions developed are the registration of invoices, product price research, comparison of purchase expenses, suggestion of most purchased products by location, assembly of shopping list and history of product price variation and purchases made by the user. At the end of this work, it was possible to obtain a tool that will serve not only domestic users but also the owners of small establishments who make purchases in large distribution centers.