Method: EPlat::Concerns::OverwriteInstanceMethods#as_json

Defined in:
lib/e_plat/resource/concerns/overwrite_instance_methods.rb

#as_json(options = {}) ⇒ Object 



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# File 'lib/e_plat/resource/concerns/overwrite_instance_methods.rb', line 14

def as_json(options = {})
	full_json = super(options)
	return {} if read_only?

	if mapping.class.virtual_collections.present?
		virtual_keys = mapping.class.virtual_collections.map{|c| c[:name]}.map(&:to_s)
		
		full_json.reject!{|key, value| virtual_keys.include?(key) } # not needed in JSON, as it's just a proxy for setting the real attributes
	end

	return full_json if new_record? # new records request with all attributes
	
	request_json = 
		if include_root_in_json or options[:root].present?
			{ element_name => select_changed_attributes_and_collection_keys(full_json[element_name]) }
		else
			select_changed_attributes_and_collection_keys(full_json)
		end

	if top_level_resource? # then check that any present collections have all entries represented with atleast an ID, so they're not removed
		hash_without_root(request_json).each do |key, value|
			next unless arrayOfPresentHashes?(value)

			hash_without_root(request_json)[key].filter!(&:present?)
			hash_without_root(request_json)[key] += unrepresented_collection_ids(key, value).map{ |id| { "id" => id } }
		end
	end

		add_root_if_needed(request_json, options[:root]).reject do |k,v| 
		if v.is_a?(Array) 
			v.reject(&:empty?).empty?
		else 
			v.nil? || v.blank?
		end
	end
end