Sha256: 6e2f1a7beccb6314e20eafe9554c9e2ad2ab51e02f2f1ab5ccd281bc89d30a39
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Size: 1.38 KB
Versions: 20
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Stored size: 1.38 KB
Contents
require 'active_support/concern'
module Journey::Resource::EnumSets
extend ActiveSupport::Concern
included do
def self.enum_set(attr, collection=[])
(@enum_sets ||= []) << attr
collection_const_name = attr.to_s.pluralize.upcase.to_sym
const_set collection_const_name, collection.freeze
define_method "#{attr}_values" do
self.class.const_get(collection_const_name)
end
define_method attr do
arr = attributes[attr.to_s].presence || []
arr.map do |member|
if member.is_a?(Fixnum)
self.class.const_get(collection_const_name)[member]
else
member
end
end
end
define_method "#{attr}=" do |value|
attributes[attr.to_s] = value.map do |member|
if member.is_a?(Fixnum)
member
else
self.class.const_get(collection_const_name).index(member)
end
end
end
define_method "add_#{attr}" do |value|
attr_values = send("#{attr}_values")
value_index = if value.is_a?(Fixnum)
value
else
attr_values.index(value)
end
if (0..attr_values.size-1).include? value_index
(attributes[attr.to_s] ||= []) << value_index
else
raise "Invalid enum_set value: '#{value}' for '#{attr}'"
end
end
end
end
end
Version data entries
20 entries across 20 versions & 1 rubygems