Ahmedgamalsoli/Hassan-Factory-App

AI Summary: Debug the Hassan Factory System desktop application to resolve an issue where a specific customer cannot view new invoices. The problem is described as 'لما بتشوف عميل معين مش بيشوف الفواتير الجديده' (When viewing a specific customer, they don't see the new invoices). The task involves identifying and fixing the underlying code causing this display problem.

AI Summary: Implement a feature in the Hassan Factory System desktop application to calculate the previous balance. This involves summing all previous invoices and subtracting all previous payments before creating, modifying, or deleting an invoice. The system should also retrieve the invoice's balance before any modifications are made.

AI Summary: The task involves adding code to handle general income and expenses within a desktop application for Hassan Factory System. The provided image likely shows the specific area of the application requiring code additions or modifications.