lib/stringify_ids.rb
module StringifyIds
def stringify_ids(hash)
hash.keys.each_with_object({}) do |key, result|
string_key = key.to_s
original_value = hash[key]
result[key] = if original_value.is_a?(Array)
stringify_ids_in_array(string_key, original_value)
elsif original_value.respond_to?(:key?)
stringify_ids(original_value)
elsif (string_key == 'id' || string_key.ends_with?('_id')) && original_value.is_a?(Numeric)
original_value.to_s
else
original_value
end
end
end
private
def stringify_ids_in_array(key, array)
if key.ends_with?('_ids')
array.map(&:to_s)
else
array.map do |element|
if element.respond_to?(:key?)
stringify_ids(element)
else
element
end
end
end
end
end