Sha256: be60104f54daf07c2e89230a06dff792a2c2392019af1493014355b9d8b87444
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Size: 630 Bytes
Versions: 4
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Stored size: 630 Bytes
Contents
# Provides category hierarchies.
# origin: RM
module Category::AncestryTrait
as_trait do
has_ancestry
belongs_to :mother, :class_name => 'Category'
before_validation :sync_mother_and_parent_id
# This method serves two purposes:
# 1. Cache ancestry's virtual parent_id in a real database column because that makes some queries easier
# 2. Allow to set parent_id by setting mother_id so code that uses association reflection works
def sync_mother_and_parent_id
if mother_id_changed?
self.parent_id = mother_id
else
self.mother_id = parent_id
end
end
end
end
Version data entries
4 entries across 4 versions & 1 rubygems