diff options
Diffstat (limited to 'activerecord/lib/active_record/enum.rb')
| -rw-r--r-- | activerecord/lib/active_record/enum.rb | 55 |
1 files changed, 32 insertions, 23 deletions
diff --git a/activerecord/lib/active_record/enum.rb b/activerecord/lib/active_record/enum.rb index 7be332fb97..1a3e6e4d09 100644 --- a/activerecord/lib/active_record/enum.rb +++ b/activerecord/lib/active_record/enum.rb @@ -1,4 +1,6 @@ -require 'active_support/core_ext/object/deep_dup' +# frozen_string_literal: true + +require "active_support/core_ext/object/deep_dup" module ActiveRecord # Declare an enum attribute where the values map to integers in the database, @@ -95,8 +97,7 @@ module ActiveRecord module Enum def self.extended(base) # :nodoc: - base.class_attribute(:defined_enums, instance_writer: false) - base.defined_enums = {} + base.class_attribute(:defined_enums, instance_writer: false, default: {}) end def inherited(base) # :nodoc: @@ -105,6 +106,8 @@ module ActiveRecord end class EnumType < Type::Value # :nodoc: + delegate :type, to: :subtype + def initialize(name, mapping, subtype) @name = name @mapping = mapping @@ -138,9 +141,11 @@ module ActiveRecord end end + # TODO Change this to private once we've dropped Ruby 2.2 support. + # Workaround for Ruby 2.2 "private attribute?" warning. protected - attr_reader :name, :mapping, :subtype + attr_reader :name, :mapping, :subtype end def enum(definitions) @@ -150,22 +155,24 @@ module ActiveRecord definitions.each do |name, values| # statuses = { } enum_values = ActiveSupport::HashWithIndifferentAccess.new - name = name.to_sym + name = name.to_s # def self.statuses() statuses end - detect_enum_conflict!(name, name.to_s.pluralize, true) - klass.singleton_class.send(:define_method, name.to_s.pluralize) { enum_values } + detect_enum_conflict!(name, name.pluralize, true) + singleton_class.send(:define_method, name.pluralize) { enum_values } + defined_enums[name] = enum_values detect_enum_conflict!(name, name) detect_enum_conflict!(name, "#{name}=") - decorate_attribute_type(name, :enum) do |subtype| - EnumType.new(name, enum_values, subtype) + attr = attribute_alias?(name) ? attribute_alias(name) : name + decorate_attribute_type(attr, :enum) do |subtype| + EnumType.new(attr, enum_values, subtype) end _enum_methods_module.module_eval do pairs = values.respond_to?(:each_pair) ? values.each_pair : values.each_with_index - pairs.each do |value, i| + pairs.each do |label, value| if enum_prefix == true prefix = "#{name}_" elsif enum_prefix @@ -177,23 +184,23 @@ module ActiveRecord suffix = "_#{enum_suffix}" end - value_method_name = "#{prefix}#{value}#{suffix}" - enum_values[value] = i + value_method_name = "#{prefix}#{label}#{suffix}" + enum_values[label] = value + label = label.to_s - # def active?() status == 0 end + # def active?() status == "active" end klass.send(:detect_enum_conflict!, name, "#{value_method_name}?") - define_method("#{value_method_name}?") { self[name] == value.to_s } + define_method("#{value_method_name}?") { self[attr] == label } - # def active!() update! status: :active end + # def active!() update!(status: 0) end klass.send(:detect_enum_conflict!, name, "#{value_method_name}!") - define_method("#{value_method_name}!") { update! name => value } + define_method("#{value_method_name}!") { update!(attr => value) } - # scope :active, -> { where status: 0 } + # scope :active, -> { where(status: 0) } klass.send(:detect_enum_conflict!, name, value_method_name, true) - klass.scope value_method_name, -> { where(name => value) } + klass.scope value_method_name, -> { where(attr => value) } end end - defined_enums[name.to_s] = enum_values end end @@ -213,18 +220,20 @@ module ActiveRecord def detect_enum_conflict!(enum_name, method_name, klass_method = false) if klass_method && dangerous_class_method?(method_name) - raise_conflict_error(enum_name, method_name, type: 'class') + raise_conflict_error(enum_name, method_name, type: "class") + elsif klass_method && method_defined_within?(method_name, Relation) + raise_conflict_error(enum_name, method_name, type: "class", source: Relation.name) elsif !klass_method && dangerous_attribute_method?(method_name) raise_conflict_error(enum_name, method_name) elsif !klass_method && method_defined_within?(method_name, _enum_methods_module, Module) - raise_conflict_error(enum_name, method_name, source: 'another enum') + raise_conflict_error(enum_name, method_name, source: "another enum") end end - def raise_conflict_error(enum_name, method_name, type: 'instance', source: 'Active Record') + def raise_conflict_error(enum_name, method_name, type: "instance", source: "Active Record") raise ArgumentError, ENUM_CONFLICT_MESSAGE % { enum: enum_name, - klass: self.name, + klass: name, type: type, method: method_name, source: source |