History Save

Bases: Model

Attributes

`save_model_history: bool = True`

When set, history will be saved. By default, ALL models must save history.

`fields`

Classes

`Meta`

Attributes

`abstract = True`

Functions

`save_history(before, after)`

Save a Models Changes

Parameters:

Name	Type	Description	Default
`before`	`dict`	model before saving (model.objects.get().dict)	required
`after`	`dict`	model after saving and refetched from DB (model.objects.get().dict)	required

`save(force_insert=False, force_update=False, using=None, update_fields=None)`

OverRides save for keeping model history.

Not a Full-Override as this is just to add to existing.

Before to fetch from DB to ensure the changed value is the actual changed value and the after is the data that was saved to the DB.

`delete_history(item_pk, item_class)`

Delete the objects history

When an object is no longer in the database, delete the objects history and that of the child objects. Only caveat is that if the history has a parent_pk the object history is not to be deleted.

Parameters:

Name	Type	Description	Default
`item_pk`	`int`	Primary key of the object to be deleted	required
`item_class`	`str`	Object class of the object to be deleted	required

`delete(using=None, keep_parents=False)`

OverRides delete for keeping model history and on parent object ONLY!.

Not a Full-Override as this is just to add to existing.

About:

This page forms part of our Project Centurion ERP.

Page Metadata

Version: ToDo: place files short git commit here
Date Created: 2024-06-16
Date Edited: 2024-07-13

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