ome of the rules that you need to consider:
Each POS must have a login.
Must allow register customer information data
Cannot allow a sale if the stock is equal to Zero.
Each sale is composed of one or multiple line of items
Must save the total quantity of items per line
Must save the total money amount per line
Must save the product unit price
Must save the order total: items quantity and money amount
Must save the user that made the sale
Must save date and time of the sale
Must allow search products by name, brand and category.
Before a sale is paid it must allow edit the quantity of products or delete lines
Print a receipt after payment is done.
Use a console application to test your classes.
ome of the rules that you need to consider: Each POS must have a login. Must allow register customer information data Cannot allow a sale if the stock is equal to Zero. Each sale is composed of one or multiple line of items Must save the total quantity of items per line Must save the total money amount per line Must save the product unit price Must save the order total: items quantity and money amount Must save the user that made the sale Must save date and time of the sale Must allow search products by name, brand and category. Before a sale is paid it must allow edit the quantity of products or delete lines Print a receipt after payment is done. Use a console application to test your classes.