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Contents
module PrettyApi
module ActiveRecord
class Associations
def self.nested_attributes_tree(model, result = {})
model.nested_attributes_options.each_key do |association_name|
result[model] ||= {}
association = attribute_association(model, association_name)
association_class = association.klass
result[model][association_name] = {
model: association_class,
type: association.macro,
allow_destroy: attribute_destroy_allowed?(model, association_name)
}
next if result.key?(association_class)
result[association_class] = {}
nested_attributes_tree(association_class, result)
end
result
end
def self.attribute_destroy_allowed?(model, attribute)
model.nested_attributes_options[attribute.to_sym][:allow_destroy] == true
end
def self.attribute_association(model, attribute)
model.reflect_on_association(attribute).chain.last
end
end
end
end
Version data entries
5 entries across 5 versions & 1 rubygems