membership_extension

Purpose

Improves user experience of membership addon

Features

membership.membership_category: Introduces membership categories to classify memberships
membership.membership_line: Makes membership lines editable and changes state calculation to not depend on invoice status
res.partner: Adds associate member functionality with independent start dates and prevents deletion of partners with member lines
res.partner: Adds start date of last membership period
product.template: Adds membership category to products
account.move: Handles membership line states on invoice actions like draft, cancel, and post
security: Adds membership management security group for menu access