account_payment_base_oca_sale

Purpose

Extend sale orders to manage customer payment methods and propagate them through invoicing and reports.

Features

sale.order: Adds a stored payment method field that defaults from the customer's inbound payment method when the sale is created.
sale.order: Propagates the selected payment method and related bank account details to invoices generated from the sale.
sale.order: Prevents grouping of invoices with different payment methods by adding the method to the invoice grouping keys.
sale.report: Displays the payment method in sales analysis views and enables grouping sales by that method.
sale.order report: Prints payment method instructions on the sale order document when available.