def m2m_pre_remove(sender, instance, action, reverse, model, pk_set, **kwargs):
field = find_field(sender, instance)
if field not in instance.audit.m2m_dirty:
instance.audit.m2m_dirty[field] = {'added': [], 'removed': []}
formatter = get_formatter(instance, field)
instance.audit.m2m_dirty[field]['removed'].extend(map(formatter, pk_set))
def special_audit(instance, field, action, value, **kwargs):
"""
This handles special fields like Generic relations or
OneToMany relationships. This signal MUST be triggered manually by the
person wishing to track it
`instance` is the instance the relationship is TO.
`field` is the field name in instance.audit.fields
`action` is the action you are tracking [added|removed]
`value` is the value the action applies to, can be a pk, or some other value
You should have a formatter for this in the instance model.
"""
if not isinstance(instance, AuditedModel):
return
formatter = get_formatter(instance, field)
admin_audit, public_audit = generate_audits(instance, action)
value = formatter(value)
added = ''
removed = ''
if action == 'added':
added = value
elif action == 'removed':
removed = value
add_group(admin_audit, instance.audit.fields[field].group)
f = AuditM2MField(audit=admin_audit, name=field, added=added,
removed=removed, modified_by=instance.audit.modified_by)
f.save()
if instance.audit.fields[field].public:
add_group(public_audit, instance.audit.fields[field].group)
f = AuditM2MField(audit=public_audit, name=field, added=added,
removed=removed, modified_by=instance.audit.modified_by)
f.save()