I am trying to implement a new feature, i want to add a lifespan or an
expiration date option to each document version (some documents will have
such feature not necessarily all), say it's set to 90 days. a notification
should be sent to some users after 90 days, and the document should be
marked as outdated. until the document maintainer login and updates the
document.
Mr.rosario already pointed me to add a separate app to manage DocumentType
to lifespan setting but this does not exactly fit my needs.
so i decided to modify the DocumentVersion model i added:
expirationDate = models.DateTimeField(blank=True, null=True,
verbose_name=_('Expiration
Date'))
versionNumber = models.IntegerField(_('Version Number'), unique=True)
and i want them both to be visible on the Document versions list but i cant
figure out how to add columns to that generic list template.
here is the view i need modified in Documents app .views
class DocumentVersionListView(SingleObjectListView):
at later stage i will add a periodic task to check the latest version of
each document if they have expirationDate set and it's expired. and will
notify the document creator
so my questions are:
1. is this a good approach to my problem or there's a better way to do it
(i still need each version to have an expiration date set to it) ?
2. how do i view the new two fields in the document versions list ?
thanks all
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