Desarrollo e implementación de un sistema web de facturación electrónica utilizando el servidor de aplicaciones “Hiawatha Webserver”, caso a aplicar en la Lubricadora “San Juan”.

Abstract

The objective of this technical work was the development of an electronic billing system for the San Juan Lubricator, with the purpose of automating the process that is carried out both for the issuance of invoices and for inventory control, frequent meetings were held with the user. The project was developed using the SCRUM methodology, initially obtaining the system requirements, which allowed to design the sequence diagrams, class diagrams, use cases and state diagrams, thus facilitating the codification of the system. I use the Java programming language, including the Prime Fraces framework, with a PostgreSQL database, the implementation of the system was done on the Hiawatha Webserver web server. At the same time, an analysis of usability was made, throught the elaboration of a questionnaire with 15 questions, the survey was conducted to 3 people involved in the daily activities of the company. Once tha analysis of the answers obtained was carried out, it was determined that the electronic invoicing web system FacSystem is usable since it meets the parameters of effectiveness, efficiency and satisfaction, which are established by the applied standard.