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21 lines
928 B
21 lines
928 B
13 years ago
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from django.conf import settings
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from django.db import models
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from django.db.models.fields import FieldDoesNotExist
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class CurrentSiteManager(models.Manager):
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"Use this to limit objects to those associated with the current site."
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def __init__(self, field_name='site'):
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super(CurrentSiteManager, self).__init__()
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self.__field_name = field_name
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self.__is_validated = False
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def get_query_set(self):
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if not self.__is_validated:
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try:
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self.model._meta.get_field(self.__field_name)
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except FieldDoesNotExist:
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raise ValueError, "%s couldn't find a field named %s in %s." % \
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(self.__class__.__name__, self.__field_name, self.model._meta.object_name)
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self.__is_validated = True
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return super(CurrentSiteManager, self).get_query_set().filter(**{self.__field_name + '__id__exact': settings.SITE_ID})
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