module Minimapper::Entity::HasMany
Public Instance Methods
has_many(name, opts = {})
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# File lib/minimapper/entity/has_many.rb, line 6 def has_many(name, opts = {}) serialize = opts.fetch(:serialize, false) attr_writer name if serialize attribute_name = "#{name}_attributes" attribute attribute_name setup_has_many(name) do attributes = send(attribute_name) entity_class = name.to_s.singularize.camelcase.constantize (attributes || []).map { |attr| entity_class.new(attr) } end else setup_has_many(name) { [] } end end
Private Instance Methods
setup_has_many(name, &data)
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# File lib/minimapper/entity/has_many.rb, line 27 def setup_has_many(name, &data) # Basically does: @thename ||= data.call # The data block is evaluated in the instance context. define_method(name) do instance_variable_get("@#{name}") || instance_variable_set("@#{name}", instance_eval(&data)) end end