odoo/odoo#189197

Created by fw-bot
Merged at 4384294f4d91521d31d3904b0d7f45b7412aa808

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label
odoo-dev:saas-17.4-17.0-de-audit-trail-document-wan-Jrkz-fw
head
18b386156d2eb72ff3f878abc6ec02b869a72b1c
merged
1 year ago by Accounting, William André (wan)
odoo/odoo odoo/enterprise
17.0 #176360 #68235
saas-17.2 #189182 #74906
saas-17.4 #189197 #74914
18.0 #189247 #74945
saas-18.2
saas-18.3
saas-18.4
19.0
master #189994 #75333

[FW][FIX] l10n_de: audit trail with document versionning

Normally, when using document versioning, the attachments linked to a record are re-attached to the document when changing the version. This is not compatible with the requirement for audit trail in Germany (GoBD) as we want to be sure that the document won't be deleted. This is ensure by making sure all the attachments stay attached, and can't be deleted.

To reproduce:
* Install Accounting and Documents, as well as l10n_de
* Select/configure a German company
* Create new document folder settings for Customer Invoices
* Create a new invoice
* Send & Print
* Delete it from the attachments (it should "detach it")
* Send & Print again

opw-4095549

Forward-Port-Of: #176360