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Versions: 25
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Contents
module PgEngine
module ChildRecord
extend ActiveSupport::Concern
included do
scope :kept, -> { undiscarded.joins(klass.parent_accessor).merge(klass.parent_klass.kept) }
scope :unkept, -> { discarded.joins(klass.parent_accessor).or(klass.parent_klass.discarded) }
end
class_methods do
attr_accessor :parent_accessor
def parent_klass
if parent_accessor.blank?
# :nocov:
raise PgEngine::Error, 'parent_accessor must be present'
# :nocov:
end
reflection = reflect_on_all_associations.select { |r| r.name == parent_accessor.to_sym }.first
if reflection.blank?
# :nocov:
raise PgEngine::Error, "#{parent_accessor} not an association on #{self}"
# :nocov:
end
reflection.klass
end
end
def parent?
if self.class.parent_accessor.blank?
# :nocov:
raise PgEngine::Error, 'parent_accessor must be present'
# :nocov:
end
true
end
def parent
if self.class.parent_accessor.blank?
# :nocov:
raise PgEngine::Error, 'parent_accessor must be present'
# :nocov:
end
send(self.class.parent_accessor)
end
def kept?
undiscarded? && (parent.blank? || parent.kept?)
end
end
end
Version data entries
25 entries across 25 versions & 1 rubygems