Accounting system written in Java Spring Boot.

Conducting accounting processes in order to enable better organization, records and planning of companies.
For each good and service a separate view of sales.
Graphic display of data.
Better review and comparison of sales for each month of the current year.

• MVC design pattern.
  
• Factory design pattern.
  
• Heterogeneous Architecture.
  
• Layered Architecture.
  
• PDF generator.
  
• Error page for unavailable routes.
  
• Chart.js for visualization.
  
• OАuth google authentication.
  
• Email sender.
  
• REST API.
  
• Data Transfer Object.
  

User registration.
User login.
Adding a company for the current user.
Adding products/services.
Adding quantity of goods/services for a purchase.
Generating PDF at the end of the year for accounting need.
Sending email with reports about sales.