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# File 'lib/logical_model/associations/belongs_to.rb', line 13
def belongs_to(key, options = {})
attr_accessor "#{key}_id"
attr_class = get_attr_class(key, options)
@belongs_to_keys ||= {}
@belongs_to_keys.merge!({key => attr_class})
define_method("#{key}=") do |param|
if param.is_a?(Hash)
param.stringify_keys!
instance_variable_set("@#{key}_id", param['id']) if param['id']
instance = attr_class.new(param)
elsif param.is_a?(attr_class)
instance_variable_set("@#{key}_id", param.id)
instance = param
else
end
instance_variable_set("@#{key}",instance)
end
define_method(key) do
instance = eval("@#{key}")
if instance.nil?
instance = attr_class.find(eval("#{key}_id"))
instance_variable_set("@#{key}",instance)
end
instance
end
define_method "new_#{key}" do |param|
attr_class
return unless attr_class
temp_object = attr_class.new(param.merge({"#{self.json_root}_id" => self.id}))
eval(key.to_s) << temp_object
temp_object
end
end
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