purchase_invoice_plan

Purpose

This module adds the ability to manage future invoice plans to purchase orders, enabling users to create invoices based on predefined installment plans either all at once or one by one.

Features

purchase.order: Enables selection of invoice plan usage on purchase orders
purchase.order: Adds an invoice plan tab to display and manage plan lines
purchase.order: Provides a wizard to create invoice plans with number of installments, start date, and interval
purchase.order: Allows removal of invoice plans before any invoicing occurs
purchase.order: Validates that invoice plans are created when invoice plan usage is selected
purchase.order: Ensures total plan percentage does not exceed 100%
purchase.invoice.plan: Tracks installment details including installment number, planned date, percentage, and amount
purchase.invoice.plan: Computes amounts based on percentages and purchase order totals
purchase.invoice.plan: Marks plan lines as ready for invoicing in sequential order
purchase.invoice.plan: Prevents editing of plan lines once they have been invoiced
invoicing: Creates bills based on plan lines, allowing creation of next bill or all remaining bills
invoicing: Adjusts invoice line quantities according to plan percentages
invoicing: Associates created invoices with their corresponding plan lines
reporting: Provides a menu to view all purchase invoice plan lines for reporting purposes