> The Project and ProjectUnits are defined before the Crews are
> assigned, but when assigning a Crew to a ProjectUnit I'd like to know
> if the Crew is already scheduled to work that day. That's allowed,
> but I'd like a confirmation alert when this happens, or ideally, have
> the droplist for crew in the admin show a * (or any indicator) next to
> everyone already on assignment that day.
>
> Any suggestions for doing this would be appreciated. If the above
> isn't possible, pointers to doing this type of thing outside the admin
> interface would be helpful. Thanks,
Here are two offhand suggestions that won't require much effort,
although both are hackish.
1. If you're not using the __str__() method in your Crew model for
anything important (and if you have small database) you could insert
an asterisk there and it will show up in your drop-down list::
def is_working_today(self):
# untested code...returns true if the crew
# has any other projectunits assigned today
return bool(
self.projectunit_set.filter(
day=datetime.date.today()))
def __str__(self):
return is_working_today() and '*'+ crew_name or crew_name
2. Or, if you have a lot of crew entries in your database, you could
use raw_id_admin [1]_ to pop-up the list of crew members and put
is_working_today in your list_display [2]_ which will give you a quick
yes-or-no view.
.. [1]
http://www.djangoproject.com/documentation/model-api/#many-to-one-relationships
.. [2] http://www.djangoproject.com/documentation/model-api/#list-display
Maybe someone else will have a suggestion that makes mine look silly.
Either way, good luck!
- whiteinge
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