mirror of
https://github.com/jazzband/django-eav2.git
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97 lines
2.7 KiB
Python
97 lines
2.7 KiB
Python
from django.db import models
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class EnumValueManager(models.Manager):
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"""
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Custom manager for `EnumValue` model.
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This manager adds utility methods specific to the `EnumValue` model.
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"""
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def get_by_natural_key(self, value):
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"""
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Retrieves an EnumValue instance using its `value` as a natural key.
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Args:
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value (str): The value of the EnumValue instance.
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Returns:
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EnumValue: The instance matching the provided value.
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"""
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return self.get(value=value)
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class EnumGroupManager(models.Manager):
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"""
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Custom manager for `EnumGroup` model.
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This manager adds utility methods specific to the `EnumGroup` model.
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"""
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def get_by_natural_key(self, name):
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"""
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Retrieves an EnumGroup instance using its `name` as a natural key.
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Args:
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name (str): The name of the EnumGroup instance.
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Returns:
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EnumGroup: The instance matching the provided name.
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"""
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return self.get(name=name)
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class AttributeManager(models.Manager):
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"""
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Custom manager for `Attribute` model.
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This manager adds utility methods specific to the `Attribute` model.
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"""
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def get_by_natural_key(self, name, slug):
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"""
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Retrieves an Attribute instance using its `name` and `slug` as natural keys.
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Args:
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name (str): The name of the Attribute instance.
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slug (str): The slug of the Attribute instance.
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Returns:
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Attribute: The instance matching the provided name and slug.
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"""
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return self.get(name=name, slug=slug)
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class ValueManager(models.Manager):
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"""
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Custom manager for `Value` model.
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This manager adds utility methods specific to the `Value` model.
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"""
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def get_by_natural_key(self, attribute, entity_id, entity_uuid):
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"""
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Retrieve a Value instance using multiple natural keys.
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This method utilizes a combination of an `attribute` (defined by its
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name and slug), `entity_id`, and `entity_uuid` to retrieve a unique
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Value instance.
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Args:
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attribute (tuple): A tuple containing the name and slug of the
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Attribute instance.
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entity_id (int): The ID of the associated entity.
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entity_uuid (str): The UUID of the associated entity.
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Returns:
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Value: The instance matching the provided keys.
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"""
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from eav.models import Attribute
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attribute = Attribute.objects.get(name=attribute[0], slug=attribute[1])
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return self.get(
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attribute=attribute,
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entity_id=entity_id,
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entity_uuid=entity_uuid,
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)
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