Module: Graphiti::Resource::Polymorphism::ClassMethods

Defined in:
lib/graphiti/resource/polymorphism.rb

Instance Method Summary collapse

Instance Method Details

#children ⇒ Object 



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# File 'lib/graphiti/resource/polymorphism.rb', line 59

def children
  @children ||= polymorphic.map { |klass|
    klass.is_a?(String) ? klass.safe_constantize : klass
  }
end

#inherited(klass) ⇒ Object 



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# File 'lib/graphiti/resource/polymorphism.rb', line 36

def inherited(klass)
  klass.type = nil
  klass.model = klass.infer_model
  klass.endpoint = klass.infer_endpoint
  klass.polymorphic_child = true
  super
end

#resource_for_model(model) ⇒ Object 



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# File 'lib/graphiti/resource/polymorphism.rb', line 74

def resource_for_model(model)
  resource = children.find { |c| model.instance_of?(c.model) } ||
    children.find { |c| model.is_a?(c.model) }
  if resource.nil?
    raise Errors::PolymorphicResourceChildNotFound.new(self, model: model)
  else
    resource
  end
end

#resource_for_type(type) ⇒ Object 



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# File 'lib/graphiti/resource/polymorphism.rb', line 65

def resource_for_type(type)
  resource = children.find { |c| c.type.to_s == type.to_s }
  if resource.nil?
    raise Errors::PolymorphicResourceChildNotFound.new(self, type: type)
  else
    resource
  end
end

#sideload(name) ⇒ Object 



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# File 'lib/graphiti/resource/polymorphism.rb', line 44

def sideload(name)
  if (split_on = name.to_s.split(/^on__/)).length > 1
    on_type, name = split_on[1].split("--").map(&:to_sym)
  end

  sl = super(name)
  if !polymorphic_child? && sl.nil?
    children.each do |c|
      next if on_type && c.type != on_type
      break if (sl = c.sideloads[name])
    end
  end
  sl
end