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Contents
# frozen_string_literal: true
module Alchemy
class DeleteElements
class WouldLeaveOrphansError < StandardError; end
attr_reader :elements
def initialize(elements)
@elements = elements
end
def call
if orphanable_records.present?
raise WouldLeaveOrphansError
end
contents = Alchemy::Content.where(element_id: elements.map(&:id))
contents.group_by(&:essence_type)
.transform_values! { |value| value.map(&:essence_id) }
.each do |class_name, ids|
class_name.constantize.where(id: ids).delete_all
end
contents.delete_all
delete_elements
end
private
def orphanable_records
Alchemy::Element.where(parent_element_id: [elements]).where.not(id: elements)
end
def delete_elements
case elements
when ActiveRecord::Associations::CollectionProxy
elements.delete_all(:delete_all)
when ActiveRecord::Relation
elements.delete_all
else
Alchemy::Element.where(id: elements).delete_all
end
end
end
end
Version data entries
22 entries across 22 versions & 1 rubygems