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Contents
module Protector
module Adapters
module ActiveRecord
# Patches `ActiveRecord::Associations::Preloader`
module Preloader extend ActiveSupport::Concern
# Patches `ActiveRecord::Associations::Preloader::Association`
module Association extend ActiveSupport::Concern
included do
# AR 4 has renamed `scoped` to `scope`
if method_defined?(:scope)
alias_method_chain :scope, :protector
else
alias_method "scope_without_protector", "scoped"
alias_method "scoped", "scope_with_protector"
end
end
# Gets current subject of preloading association
def protector_subject
# Owners are always loaded from the single source
# having same protector_subject
owners.first.protector_subject
end
def protector_subject?
owners.first.protector_subject?
end
# Restricts preloading association scope with subject of the owner
def scope_with_protector(*args)
return scope_without_protector unless protector_subject?
@meta ||= klass.protector_meta.evaluate(protector_subject)
scope_without_protector.merge(@meta.relation)
end
end
end
end
end
end
Version data entries
9 entries across 9 versions & 1 rubygems