On 23/04/2019 9:22 pm, Balaji Shetty wrote:
Hi
Did you get any particular solution. I am also facing the same
problem. My project also have same requirement.
I think this problem must have been faced by every dveloper.
Can you please share the solution or any useful internet resource .
class UserProfile(models.Model):
user = models.OneToOneField(User, related_name='userprofile',
on_delete=models.CASCADE)
company = models.ForeignKey('Company', null=True, blank=True,
on_delete=models.CASCADE,
help_text='Each user may only be associated with '
'<strong>one</strong> company.')
*...*
def __str__(self):
grps = u''
superuser = u''
if self.user.is_staff:
superuser = u' [Staff]'
if self.user.is_superuser:
superuser = u' [Superuser]'
if not self.user.is_active:
superuser += u' [Inactive]'
groups = Group.objects.filter(user=self.user).order_by('name')
if groups:
grps = u', '.join(x.name for x in groups)
if grps:
grps = u' (%s)' % grps
grps += superuser
return u'%s%s' % (self.user, grps)
And in company admin.py
class CompanyAdmin(admin.ModelAdmin):
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
#
def get_queryset(self, request):
qs = super(CompanyAdmin, self).get_queryset(request)
if request.user.is_superuser:
return qs
coy = get_user_company(request)
if coy:
return qs.filter(
Q(id=coy.id)
).distinct()
#
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
And imported from common utils ...
def get_user_company(request): """Return the company of which the user
is a member. Company is kept in the UserProfile fk company. Typically
used in get_queryset.filter() calls made in various places to restrict a
user's view to things owned by that user's company. """ profile =
get_userprofile(request) if profile: try: return profile.company except
Exception: # happens on deleting the company pass def
get_userprofile(request): """Return the userprofile from a user or
request""" from company.models import UserProfile # avoid circular
imports if isinstance(request, User): usr = request else: usr =
request.user if usr: try: return UserProfile.objects.get(user=usr)
except Exception: # happens on deleting the user pass
And determining which fields are readonly depending on group membership
is a matter of writing a callable which replaces
ModelAdmin.get_readonly_fields and for which you need ...
def is_member(user, name): return user.groups.filter(name=name).exists()
# or user.is_superuser
hth
On Sun, Apr 21, 2019 at 4:37 PM Joel Mathew <j...@eyrie.in
<mailto:j...@eyrie.in>> wrote:
Thanks a lot, guys.
On Sun, 21 Apr, 2019, 3:58 PM Jani Tiainen, <rede...@gmail.com
<mailto:rede...@gmail.com>> wrote:
Hi,
We do in our applications pretty much same approach as Mike
proposed in his post. It's relatively efficient and works for
both, UI and application side pretty well and doesn't require
building anything complex and pretty much everything you need
is already built-in in Django.
On Sun, Apr 21, 2019 at 5:12 AM Joel Mathew <j...@joel.su
<mailto:j...@joel.su>> wrote:
I have an application for a hospital. There, I should be
able to assign different roles like Doctor, Nurse,
Attender, Auxillary Nurse, Pharmacist, Store Manager etc,
each of would be having specific access to seperate areas
(views), with some having restricted access. In addition,
there are other hospitals who would be having no access to
another hospital's records. All of these permissions
should be customisable, and I should be able to create
additional roles and permission groups for specific areas
later (from within the application itself, in production).
What would be the best solution to use? Is there a
middleware which works well. I don't want to roll my own
if I will be reinventing the wheel.
Currently my application has no use permissions. But
access to specific hospitals is being restricted by a
model whoch stores hospital name, and user name.
Sincerely yours,
Joel G Mathew
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