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Versions: 11
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Contents
# For "Rails STI" behavior
# CreditCard.all # => [<Visa>, <Mastercard>, etc]
module Graphiti
class Resource
module Polymorphism
def self.prepended(klass)
klass.extend ClassMethods
end
def serializer_for(model)
if polymorphic_child?
serializer
else
child = self.class.resource_for_model(model)
child.serializer
end
end
def associate_all(parent, children, association_name, type)
children.each do |c|
associate(parent, c, association_name, type)
end
end
def associate(parent, child, association_name, type)
child_resource = self.class.resource_for_model(parent)
if child_resource.sideloads[association_name]
child_resource.new.adapter
.associate(parent, child, association_name, type)
end
end
module ClassMethods
def inherited(klass)
klass.type = nil
klass.model = klass.infer_model
klass.endpoint = klass.infer_endpoint
klass.polymorphic_child = true
super
end
def sideload(name)
sl = super
if !polymorphic_child? && sl.nil?
children.each do |c|
break if sl = c.sideloads[name]
end
end
sl
end
def children
@children ||= polymorphic.map do |klass|
klass.is_a?(String) ? klass.safe_constantize : klass
end
end
def resource_for_model(model)
resource = children.find { |c| model.is_a?(c.model) }
if resource.nil?
raise Errors::PolymorphicChildNotFound.new(self, model)
else
resource
end
end
end
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems