68 lines
1.9 KiB
Python
68 lines
1.9 KiB
Python
from django.apps import apps
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from django.http import Http404
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from guardian.shortcuts import get_objects_for_user
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from customers.models import Customer
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def td_format(td_object):
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"""A helper function to convert time deltas to a human readable format.
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Taken from here."""
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seconds = int(td_object.total_seconds())
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periods = [
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('year', 60*60*24*365),
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('month', 60*60*24*30),
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('day', 60*60*24),
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('hour', 60*60),
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('minute', 60),
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('second', 1)
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]
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strings = []
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for period_name, period_seconds in periods:
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if seconds >= period_seconds:
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period_value, seconds = divmod(seconds, period_seconds)
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has_s = 's' if period_value > 1 else ''
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strings.append("%s %s%s" % (period_value, period_name, has_s))
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return ", ".join(strings)
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def get_customers(user):
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"""
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Returns a queryset of customers the user is allowed to view.
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user : django.contrib.auth.models.User
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"""
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return get_objects_for_user(user,
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'customers.view_customer',
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klass=Customer)
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def get_objects(model_name, user):
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"""
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Returns a queryset of a given model name the user is allowed to view.
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model_name: string
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user : django.contrib.auth.models.User
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"""
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model_name = model_name.lower()
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customers = get_customers(user)
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app_names = [
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'backups',
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'computers',
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'core',
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'customers',
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'devices',
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'licenses',
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'nets',
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'softwares',
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'users',
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]
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for name in app_names:
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app = apps.get_app_config(name)
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if model_name in app.models:
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model = app.models[model_name]
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return model.objects.filter(customer__in=customers)
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raise Http404("Model ", model_name, " not found.")
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