diff options
Diffstat (limited to 'activemodel/lib/active_model')
22 files changed, 956 insertions, 119 deletions
diff --git a/activemodel/lib/active_model/attribute.rb b/activemodel/lib/active_model/attribute.rb new file mode 100644 index 0000000000..27f3e38e31 --- /dev/null +++ b/activemodel/lib/active_model/attribute.rb @@ -0,0 +1,247 @@ +# frozen_string_literal: true + +require "active_support/core_ext/object/duplicable" + +module ActiveModel + class Attribute # :nodoc: + class << self + def from_database(name, value, type) + FromDatabase.new(name, value, type) + end + + def from_user(name, value, type, original_attribute = nil) + FromUser.new(name, value, type, original_attribute) + end + + def with_cast_value(name, value, type) + WithCastValue.new(name, value, type) + end + + def null(name) + Null.new(name) + end + + def uninitialized(name, type) + Uninitialized.new(name, type) + end + end + + attr_reader :name, :value_before_type_cast, :type + + # This method should not be called directly. + # Use #from_database or #from_user + def initialize(name, value_before_type_cast, type, original_attribute = nil) + @name = name + @value_before_type_cast = value_before_type_cast + @type = type + @original_attribute = original_attribute + end + + def value + # `defined?` is cheaper than `||=` when we get back falsy values + @value = type_cast(value_before_type_cast) unless defined?(@value) + @value + end + + def original_value + if assigned? + original_attribute.original_value + else + type_cast(value_before_type_cast) + end + end + + def value_for_database + type.serialize(value) + end + + def changed? + changed_from_assignment? || changed_in_place? + end + + def changed_in_place? + has_been_read? && type.changed_in_place?(original_value_for_database, value) + end + + def forgetting_assignment + with_value_from_database(value_for_database) + end + + def with_value_from_user(value) + type.assert_valid_value(value) + self.class.from_user(name, value, type, original_attribute || self) + end + + def with_value_from_database(value) + self.class.from_database(name, value, type) + end + + def with_cast_value(value) + self.class.with_cast_value(name, value, type) + end + + def with_type(type) + if changed_in_place? + with_value_from_user(value).with_type(type) + else + self.class.new(name, value_before_type_cast, type, original_attribute) + end + end + + def type_cast(*) + raise NotImplementedError + end + + def initialized? + true + end + + def came_from_user? + false + end + + def has_been_read? + defined?(@value) + end + + def ==(other) + self.class == other.class && + name == other.name && + value_before_type_cast == other.value_before_type_cast && + type == other.type + end + alias eql? == + + def hash + [self.class, name, value_before_type_cast, type].hash + end + + def init_with(coder) + @name = coder["name"] + @value_before_type_cast = coder["value_before_type_cast"] + @type = coder["type"] + @original_attribute = coder["original_attribute"] + @value = coder["value"] if coder.map.key?("value") + end + + def encode_with(coder) + coder["name"] = name + coder["value_before_type_cast"] = value_before_type_cast unless value_before_type_cast.nil? + coder["type"] = type if type + coder["original_attribute"] = original_attribute if original_attribute + coder["value"] = value if defined?(@value) + end + + protected + + attr_reader :original_attribute + alias_method :assigned?, :original_attribute + + def original_value_for_database + if assigned? + original_attribute.original_value_for_database + else + _original_value_for_database + end + end + + private + def initialize_dup(other) + if defined?(@value) && @value.duplicable? + @value = @value.dup + end + end + + def changed_from_assignment? + assigned? && type.changed?(original_value, value, value_before_type_cast) + end + + def _original_value_for_database + type.serialize(original_value) + end + + class FromDatabase < Attribute # :nodoc: + def type_cast(value) + type.deserialize(value) + end + + def _original_value_for_database + value_before_type_cast + end + end + + class FromUser < Attribute # :nodoc: + def type_cast(value) + type.cast(value) + end + + def came_from_user? + !type.value_constructed_by_mass_assignment?(value_before_type_cast) + end + end + + class WithCastValue < Attribute # :nodoc: + def type_cast(value) + value + end + + def changed_in_place? + false + end + end + + class Null < Attribute # :nodoc: + def initialize(name) + super(name, nil, Type.default_value) + end + + def type_cast(*) + nil + end + + def with_type(type) + self.class.with_cast_value(name, nil, type) + end + + def with_value_from_database(value) + raise ActiveModel::MissingAttributeError, "can't write unknown attribute `#{name}`" + end + alias_method :with_value_from_user, :with_value_from_database + end + + class Uninitialized < Attribute # :nodoc: + UNINITIALIZED_ORIGINAL_VALUE = Object.new + + def initialize(name, type) + super(name, nil, type) + end + + def value + if block_given? + yield name + end + end + + def original_value + UNINITIALIZED_ORIGINAL_VALUE + end + + def value_for_database + end + + def initialized? + false + end + + def forgetting_assignment + dup + end + + def with_type(type) + self.class.new(name, type) + end + end + + private_constant :FromDatabase, :FromUser, :Null, :Uninitialized, :WithCastValue + end +end diff --git a/activemodel/lib/active_model/attribute/user_provided_default.rb b/activemodel/lib/active_model/attribute/user_provided_default.rb new file mode 100644 index 0000000000..f274b687d4 --- /dev/null +++ b/activemodel/lib/active_model/attribute/user_provided_default.rb @@ -0,0 +1,30 @@ +# frozen_string_literal: true + +require "active_model/attribute" + +module ActiveModel + class Attribute # :nodoc: + class UserProvidedDefault < FromUser # :nodoc: + def initialize(name, value, type, database_default) + @user_provided_value = value + super(name, value, type, database_default) + end + + def value_before_type_cast + if user_provided_value.is_a?(Proc) + @memoized_value_before_type_cast ||= user_provided_value.call + else + @user_provided_value + end + end + + def with_type(type) + self.class.new(name, user_provided_value, type, original_attribute) + end + + protected + + attr_reader :user_provided_value + end + end +end diff --git a/activemodel/lib/active_model/attribute_mutation_tracker.rb b/activemodel/lib/active_model/attribute_mutation_tracker.rb new file mode 100644 index 0000000000..f55613ecd5 --- /dev/null +++ b/activemodel/lib/active_model/attribute_mutation_tracker.rb @@ -0,0 +1,117 @@ +# frozen_string_literal: true + +require "active_support/core_ext/hash/indifferent_access" + +module ActiveModel + class AttributeMutationTracker # :nodoc: + OPTION_NOT_GIVEN = Object.new + + def initialize(attributes) + @attributes = attributes + @forced_changes = Set.new + end + + def changed_values + attr_names.each_with_object({}.with_indifferent_access) do |attr_name, result| + if changed?(attr_name) + result[attr_name] = attributes[attr_name].original_value + end + end + end + + def changes + attr_names.each_with_object({}.with_indifferent_access) do |attr_name, result| + change = change_to_attribute(attr_name) + if change + result[attr_name] = change + end + end + end + + def change_to_attribute(attr_name) + attr_name = attr_name.to_s + if changed?(attr_name) + [attributes[attr_name].original_value, attributes.fetch_value(attr_name)] + end + end + + def changed_attribute_names + attr_names.select { |attr| changed?(attr) } + end + + def any_changes? + attr_names.any? { |attr| changed?(attr) } + end + + def changed?(attr_name, from: OPTION_NOT_GIVEN, to: OPTION_NOT_GIVEN) + attr_name = attr_name.to_s + forced_changes.include?(attr_name) || + attributes[attr_name].changed? && + (OPTION_NOT_GIVEN == from || attributes[attr_name].original_value == from) && + (OPTION_NOT_GIVEN == to || attributes[attr_name].value == to) + end + + def changed_in_place?(attr_name) + attributes[attr_name.to_s].changed_in_place? + end + + def forget_change(attr_name) + attr_name = attr_name.to_s + attributes[attr_name] = attributes[attr_name].forgetting_assignment + forced_changes.delete(attr_name) + end + + def original_value(attr_name) + attributes[attr_name.to_s].original_value + end + + def force_change(attr_name) + forced_changes << attr_name.to_s + 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 :attributes, :forced_changes + + private + + def attr_names + attributes.keys + end + end + + class NullMutationTracker # :nodoc: + include Singleton + + def changed_values(*) + {} + end + + def changes(*) + {} + end + + def change_to_attribute(attr_name) + end + + def any_changes?(*) + false + end + + def changed?(*) + false + end + + def changed_in_place?(*) + false + end + + def forget_change(*) + end + + def original_value(*) + end + end +end diff --git a/activemodel/lib/active_model/attribute_set.rb b/activemodel/lib/active_model/attribute_set.rb new file mode 100644 index 0000000000..a890ee3932 --- /dev/null +++ b/activemodel/lib/active_model/attribute_set.rb @@ -0,0 +1,114 @@ +# frozen_string_literal: true + +require "active_support/core_ext/object/deep_dup" +require "active_model/attribute_set/builder" +require "active_model/attribute_set/yaml_encoder" + +module ActiveModel + class AttributeSet # :nodoc: + delegate :each_value, :fetch, :except, to: :attributes + + def initialize(attributes) + @attributes = attributes + end + + def [](name) + attributes[name] || Attribute.null(name) + end + + def []=(name, value) + attributes[name] = value + end + + def values_before_type_cast + attributes.transform_values(&:value_before_type_cast) + end + + def to_hash + initialized_attributes.transform_values(&:value) + end + alias_method :to_h, :to_hash + + def key?(name) + attributes.key?(name) && self[name].initialized? + end + + def keys + attributes.each_key.select { |name| self[name].initialized? } + end + + if defined?(JRUBY_VERSION) + # This form is significantly faster on JRuby, and this is one of our biggest hotspots. + # https://github.com/jruby/jruby/pull/2562 + def fetch_value(name, &block) + self[name].value(&block) + end + else + def fetch_value(name) + self[name].value { |n| yield n if block_given? } + end + end + + def write_from_database(name, value) + attributes[name] = self[name].with_value_from_database(value) + end + + def write_from_user(name, value) + attributes[name] = self[name].with_value_from_user(value) + end + + def write_cast_value(name, value) + attributes[name] = self[name].with_cast_value(value) + end + + def freeze + @attributes.freeze + super + end + + def deep_dup + self.class.allocate.tap do |copy| + copy.instance_variable_set(:@attributes, attributes.deep_dup) + end + end + + def initialize_dup(_) + @attributes = attributes.dup + super + end + + def initialize_clone(_) + @attributes = attributes.clone + super + end + + def reset(key) + if key?(key) + write_from_database(key, nil) + end + end + + def accessed + attributes.select { |_, attr| attr.has_been_read? }.keys + end + + def map(&block) + new_attributes = attributes.transform_values(&block) + AttributeSet.new(new_attributes) + end + + def ==(other) + attributes == other.attributes + end + + protected + + attr_reader :attributes + + private + + def initialized_attributes + attributes.select { |_, attr| attr.initialized? } + end + end +end diff --git a/activemodel/lib/active_model/attribute_set/builder.rb b/activemodel/lib/active_model/attribute_set/builder.rb new file mode 100644 index 0000000000..758eb830fc --- /dev/null +++ b/activemodel/lib/active_model/attribute_set/builder.rb @@ -0,0 +1,124 @@ +# frozen_string_literal: true + +require "active_model/attribute" + +module ActiveModel + class AttributeSet # :nodoc: + class Builder # :nodoc: + attr_reader :types, :default_attributes + + def initialize(types, default_attributes = {}) + @types = types + @default_attributes = default_attributes + end + + def build_from_database(values = {}, additional_types = {}) + attributes = LazyAttributeHash.new(types, values, additional_types, default_attributes) + AttributeSet.new(attributes) + end + end + end + + class LazyAttributeHash # :nodoc: + delegate :transform_values, :each_key, :each_value, :fetch, :except, to: :materialize + + def initialize(types, values, additional_types, default_attributes) + @types = types + @values = values + @additional_types = additional_types + @materialized = false + @delegate_hash = {} + @default_attributes = default_attributes + end + + def key?(key) + delegate_hash.key?(key) || values.key?(key) || types.key?(key) + end + + def [](key) + delegate_hash[key] || assign_default_value(key) + end + + def []=(key, value) + if frozen? + raise RuntimeError, "Can't modify frozen hash" + end + delegate_hash[key] = value + end + + def deep_dup + dup.tap do |copy| + copy.instance_variable_set(:@delegate_hash, delegate_hash.transform_values(&:dup)) + end + end + + def initialize_dup(_) + @delegate_hash = Hash[delegate_hash] + super + end + + def select + keys = types.keys | values.keys | delegate_hash.keys + keys.each_with_object({}) do |key, hash| + attribute = self[key] + if yield(key, attribute) + hash[key] = attribute + end + end + end + + def ==(other) + if other.is_a?(LazyAttributeHash) + materialize == other.materialize + else + materialize == other + end + end + + def marshal_dump + materialize + end + + def marshal_load(delegate_hash) + @delegate_hash = delegate_hash + @types = {} + @values = {} + @additional_types = {} + @materialized = true + end + + protected + + attr_reader :types, :values, :additional_types, :delegate_hash, :default_attributes + + def materialize + unless @materialized + values.each_key { |key| self[key] } + types.each_key { |key| self[key] } + unless frozen? + @materialized = true + end + end + delegate_hash + end + + private + + def assign_default_value(name) + type = additional_types.fetch(name, types[name]) + value_present = true + value = values.fetch(name) { value_present = false } + + if value_present + delegate_hash[name] = Attribute.from_database(name, value, type) + elsif types.key?(name) + attr = default_attributes[name] + if attr + delegate_hash[name] = attr.dup + else + delegate_hash[name] = Attribute.uninitialized(name, type) + end + end + end + end +end diff --git a/activemodel/lib/active_model/attribute_set/yaml_encoder.rb b/activemodel/lib/active_model/attribute_set/yaml_encoder.rb new file mode 100644 index 0000000000..4ea945b956 --- /dev/null +++ b/activemodel/lib/active_model/attribute_set/yaml_encoder.rb @@ -0,0 +1,41 @@ +# frozen_string_literal: true + +module ActiveModel + class AttributeSet + # Attempts to do more intelligent YAML dumping of an + # ActiveModel::AttributeSet to reduce the size of the resulting string + class YAMLEncoder # :nodoc: + def initialize(default_types) + @default_types = default_types + end + + def encode(attribute_set, coder) + coder["concise_attributes"] = attribute_set.each_value.map do |attr| + if attr.type.equal?(default_types[attr.name]) + attr.with_type(nil) + else + attr + end + end + end + + def decode(coder) + if coder["attributes"] + coder["attributes"] + else + attributes_hash = Hash[coder["concise_attributes"].map do |attr| + if attr.type.nil? + attr = attr.with_type(default_types[attr.name]) + end + [attr.name, attr] + end] + AttributeSet.new(attributes_hash) + end + end + + protected + + attr_reader :default_types + end + end +end diff --git a/activemodel/lib/active_model/attributes.rb b/activemodel/lib/active_model/attributes.rb new file mode 100644 index 0000000000..046ae67ad7 --- /dev/null +++ b/activemodel/lib/active_model/attributes.rb @@ -0,0 +1,107 @@ +# frozen_string_literal: true + +require "active_model/attribute_set" +require "active_model/attribute/user_provided_default" + +module ActiveModel + module Attributes #:nodoc: + extend ActiveSupport::Concern + include ActiveModel::AttributeMethods + + included do + attribute_method_suffix "=" + class_attribute :attribute_types, :_default_attributes, instance_accessor: false + self.attribute_types = Hash.new(Type.default_value) + self._default_attributes = AttributeSet.new({}) + end + + module ClassMethods + def attribute(name, type = Type::Value.new, **options) + name = name.to_s + if type.is_a?(Symbol) + type = ActiveModel::Type.lookup(type, **options.except(:default)) + end + self.attribute_types = attribute_types.merge(name => type) + define_default_attribute(name, options.fetch(:default, NO_DEFAULT_PROVIDED), type) + define_attribute_method(name) + end + + private + + def define_method_attribute=(name) + safe_name = name.unpack("h*".freeze).first + ActiveModel::AttributeMethods::AttrNames.set_name_cache safe_name, name + + generated_attribute_methods.module_eval <<-STR, __FILE__, __LINE__ + 1 + def __temp__#{safe_name}=(value) + name = ::ActiveModel::AttributeMethods::AttrNames::ATTR_#{safe_name} + write_attribute(name, value) + end + alias_method #{(name + '=').inspect}, :__temp__#{safe_name}= + undef_method :__temp__#{safe_name}= + STR + end + + NO_DEFAULT_PROVIDED = Object.new # :nodoc: + private_constant :NO_DEFAULT_PROVIDED + + def define_default_attribute(name, value, type) + self._default_attributes = _default_attributes.deep_dup + if value == NO_DEFAULT_PROVIDED + default_attribute = _default_attributes[name].with_type(type) + else + default_attribute = Attribute::UserProvidedDefault.new( + name, + value, + type, + _default_attributes.fetch(name.to_s) { nil }, + ) + end + _default_attributes[name] = default_attribute + end + end + + def initialize(*) + @attributes = self.class._default_attributes.deep_dup + super + end + + private + + def write_attribute(attr_name, value) + name = if self.class.attribute_alias?(attr_name) + self.class.attribute_alias(attr_name).to_s + else + attr_name.to_s + end + + @attributes.write_from_user(name, value) + value + end + + def attribute(attr_name) + name = if self.class.attribute_alias?(attr_name) + self.class.attribute_alias(attr_name).to_s + else + attr_name.to_s + end + @attributes.fetch_value(name) + end + + # Handle *= for method_missing. + def attribute=(attribute_name, value) + write_attribute(attribute_name, value) + end + end + + module AttributeMethods #:nodoc: + AttrNames = Module.new { + def self.set_name_cache(name, value) + const_name = "ATTR_#{name}" + unless const_defined? const_name + const_set const_name, value.dup.freeze + end + end + } + end +end diff --git a/activemodel/lib/active_model/dirty.rb b/activemodel/lib/active_model/dirty.rb index 943db0ab52..0044fde6c5 100644 --- a/activemodel/lib/active_model/dirty.rb +++ b/activemodel/lib/active_model/dirty.rb @@ -2,6 +2,8 @@ require "active_support/hash_with_indifferent_access" require "active_support/core_ext/object/duplicable" +require "active_model/attribute_mutation_tracker" +require "active_model/attribute_set" module ActiveModel # == Active \Model \Dirty @@ -130,13 +132,30 @@ module ActiveModel attribute_method_affix prefix: "restore_", suffix: "!" end + def initialize_dup(other) # :nodoc: + super + if self.class.respond_to?(:_default_attributes) + @attributes = self.class._default_attributes.map do |attr| + attr.with_value_from_user(@attributes.fetch_value(attr.name)) + end + end + @mutations_from_database = nil + end + + def changes_applied # :nodoc: + _prepare_changes + @mutations_before_last_save = mutations_from_database + forget_attribute_assignments + @mutations_from_database = nil + end + # Returns +true+ if any of the attributes have unsaved changes, +false+ otherwise. # # person.changed? # => false # person.name = 'bob' # person.changed? # => true def changed? - changed_attributes.present? + mutations_from_database.any_changes? end # Returns an array with the name of the attributes with unsaved changes. @@ -145,7 +164,52 @@ module ActiveModel # person.name = 'bob' # person.changed # => ["name"] def changed - changed_attributes.keys + mutations_from_database.changed_attribute_names + end + + # Handles <tt>*_changed?</tt> for +method_missing+. + def attribute_changed?(attr, from: OPTION_NOT_GIVEN, to: OPTION_NOT_GIVEN) # :nodoc: + !!mutations_from_database.changed?(attr) && + (to == OPTION_NOT_GIVEN || to == _read_attribute(attr)) && + (from == OPTION_NOT_GIVEN || from == attribute_was(attr)) + end + + # Handles <tt>*_was</tt> for +method_missing+. + def attribute_was(attr) # :nodoc: + mutations_from_database.original_value(attr) + end + + # Handles <tt>*_previously_changed?</tt> for +method_missing+. + def attribute_previously_changed?(attr) #:nodoc: + mutations_before_last_save.changed?(attr) + end + + # Restore all previous data of the provided attributes. + def restore_attributes(attributes = changed) + attributes.each { |attr| restore_attribute! attr } + end + + # Clears all dirty data: current changes and previous changes. + def clear_changes_information + @mutations_before_last_save = nil + forget_attribute_assignments + @mutations_from_database = nil + end + + def clear_attribute_changes(attr_names) + attr_names.each do |attr_name| + clear_attribute_change(attr_name) + end + end + + # Returns a hash of the attributes with unsaved changes indicating their original + # values like <tt>attr => original value</tt>. + # + # person.name # => "bob" + # person.name = 'robert' + # person.changed_attributes # => {"name" => "bob"} + def changed_attributes + mutations_from_database.changed_values.freeze end # Returns a hash of changed attributes indicating their original @@ -155,7 +219,8 @@ module ActiveModel # person.name = 'bob' # person.changes # => { "name" => ["bill", "bob"] } def changes - ActiveSupport::HashWithIndifferentAccess[changed.map { |attr| [attr, attribute_change(attr)] }] + _prepare_changes + mutations_from_database.changes end # Returns a hash of attributes that were changed before the model was saved. @@ -165,110 +230,82 @@ module ActiveModel # person.save # person.previous_changes # => {"name" => ["bob", "robert"]} def previous_changes - @previously_changed ||= ActiveSupport::HashWithIndifferentAccess.new - end - - # Returns a hash of the attributes with unsaved changes indicating their original - # values like <tt>attr => original value</tt>. - # - # person.name # => "bob" - # person.name = 'robert' - # person.changed_attributes # => {"name" => "bob"} - def changed_attributes - @changed_attributes ||= ActiveSupport::HashWithIndifferentAccess.new - end - - # Handles <tt>*_changed?</tt> for +method_missing+. - def attribute_changed?(attr, from: OPTION_NOT_GIVEN, to: OPTION_NOT_GIVEN) # :nodoc: - !!changes_include?(attr) && - (to == OPTION_NOT_GIVEN || to == _read_attribute(attr)) && - (from == OPTION_NOT_GIVEN || from == changed_attributes[attr]) - end - - # Handles <tt>*_was</tt> for +method_missing+. - def attribute_was(attr) # :nodoc: - attribute_changed?(attr) ? changed_attributes[attr] : _read_attribute(attr) + mutations_before_last_save.changes end - # Handles <tt>*_previously_changed?</tt> for +method_missing+. - def attribute_previously_changed?(attr) #:nodoc: - previous_changes_include?(attr) - end - - # Restore all previous data of the provided attributes. - def restore_attributes(attributes = changed) - attributes.each { |attr| restore_attribute! attr } + def attribute_changed_in_place?(attr_name) # :nodoc: + mutations_from_database.changed_in_place?(attr_name) end private - - # Returns +true+ if attr_name is changed, +false+ otherwise. - def changes_include?(attr_name) - attributes_changed_by_setter.include?(attr_name) + def clear_attribute_change(attr_name) + mutations_from_database.forget_change(attr_name) end - alias attribute_changed_by_setter? changes_include? - # Returns +true+ if attr_name were changed before the model was saved, - # +false+ otherwise. - def previous_changes_include?(attr_name) - previous_changes.include?(attr_name) + def mutations_from_database + unless defined?(@mutations_from_database) + @mutations_from_database = nil + end + + unless defined?(@attributes) + @_pseudo_attributes = true + @attributes = AttributeSet.new( + Hash.new { |h, attr| + h[attr] = Attribute.with_cast_value(attr, _clone_attribute(attr), Type.default_value) + } + ) + end + + @mutations_from_database ||= ActiveModel::AttributeMutationTracker.new(@attributes) end - # Removes current changes and makes them accessible through +previous_changes+. - def changes_applied # :doc: - @previously_changed = changes - @changed_attributes = ActiveSupport::HashWithIndifferentAccess.new + def forget_attribute_assignments + @attributes = @attributes.map(&:forgetting_assignment) if defined?(@attributes) end - # Clears all dirty data: current changes and previous changes. - def clear_changes_information # :doc: - @previously_changed = ActiveSupport::HashWithIndifferentAccess.new - @changed_attributes = ActiveSupport::HashWithIndifferentAccess.new + def mutations_before_last_save + @mutations_before_last_save ||= ActiveModel::NullMutationTracker.instance end # Handles <tt>*_change</tt> for +method_missing+. def attribute_change(attr) - [changed_attributes[attr], _read_attribute(attr)] if attribute_changed?(attr) + [attribute_was(attr), _read_attribute(attr)] if attribute_changed?(attr) end # Handles <tt>*_previous_change</tt> for +method_missing+. def attribute_previous_change(attr) - previous_changes[attr] if attribute_previously_changed?(attr) + mutations_before_last_save.change_to_attribute(attr) end # Handles <tt>*_will_change!</tt> for +method_missing+. def attribute_will_change!(attr) - return if attribute_changed?(attr) - - begin - value = _read_attribute(attr) - value = value.duplicable? ? value.clone : value - rescue TypeError, NoMethodError + attr = attr.to_s + mutations_from_database.force_change(attr).tap do + @attributes[attr] if defined?(@_pseudo_attributes) end - - set_attribute_was(attr, value) end # Handles <tt>restore_*!</tt> for +method_missing+. def restore_attribute!(attr) if attribute_changed?(attr) - __send__("#{attr}=", changed_attributes[attr]) + __send__("#{attr}=", attribute_was(attr)) clear_attribute_changes([attr]) end end - # This is necessary because `changed_attributes` might be overridden in - # other implementations (e.g. in `ActiveRecord`) - alias_method :attributes_changed_by_setter, :changed_attributes # :nodoc: - - # Force an attribute to have a particular "before" value - def set_attribute_was(attr, old_value) - attributes_changed_by_setter[attr] = old_value + def _prepare_changes + if defined?(@_pseudo_attributes) + changed.each do |attr| + @attributes.write_from_user(attr, _read_attribute(attr)) + end + end end - # Remove changes information for the provided attributes. - def clear_attribute_changes(attributes) # :doc: - attributes_changed_by_setter.except!(*attributes) + def _clone_attribute(attr) + value = _read_attribute(attr) + value.duplicable? ? value.clone : value + rescue TypeError, NoMethodError + value end end end diff --git a/activemodel/lib/active_model/errors.rb b/activemodel/lib/active_model/errors.rb index 971bdd08b1..275e3f1313 100644 --- a/activemodel/lib/active_model/errors.rb +++ b/activemodel/lib/active_model/errors.rb @@ -322,9 +322,13 @@ module ActiveModel # person.errors.added? :name, :too_long # => false # person.errors.added? :name, "is too long" # => false def added?(attribute, message = :invalid, options = {}) - message = message.call if message.respond_to?(:call) - message = normalize_message(attribute, message, options) - self[attribute].include? message + if message.is_a? Symbol + self.details[attribute].map { |e| e[:error] }.include? message + else + message = message.call if message.respond_to?(:call) + message = normalize_message(attribute, message, options) + self[attribute].include? message + end end # Returns all the full error messages in an array. diff --git a/activemodel/lib/active_model/gem_version.rb b/activemodel/lib/active_model/gem_version.rb index 39269c159c..3c344fe854 100644 --- a/activemodel/lib/active_model/gem_version.rb +++ b/activemodel/lib/active_model/gem_version.rb @@ -10,7 +10,7 @@ module ActiveModel MAJOR = 5 MINOR = 2 TINY = 0 - PRE = "alpha" + PRE = "beta2" STRING = [MAJOR, MINOR, TINY, PRE].compact.join(".") end diff --git a/activemodel/lib/active_model/naming.rb b/activemodel/lib/active_model/naming.rb index a09659ad77..dfccd03cd8 100644 --- a/activemodel/lib/active_model/naming.rb +++ b/activemodel/lib/active_model/naming.rb @@ -2,7 +2,7 @@ require "active_support/core_ext/hash/except" require "active_support/core_ext/module/introspection" -require "active_support/core_ext/module/remove_method" +require "active_support/core_ext/module/redefine_method" module ActiveModel class Name @@ -218,7 +218,7 @@ module ActiveModel # provided method below, or rolling your own is required. module Naming def self.extended(base) #:nodoc: - base.remove_possible_method :model_name + base.silence_redefinition_of_method :model_name base.delegate :model_name, to: :class end diff --git a/activemodel/lib/active_model/type.rb b/activemodel/lib/active_model/type.rb index cb603b3d25..1d7a26fff5 100644 --- a/activemodel/lib/active_model/type.rb +++ b/activemodel/lib/active_model/type.rb @@ -1,21 +1,21 @@ # frozen_string_literal: true -require_relative "type/helpers" -require_relative "type/value" - -require_relative "type/big_integer" -require_relative "type/binary" -require_relative "type/boolean" -require_relative "type/date" -require_relative "type/date_time" -require_relative "type/decimal" -require_relative "type/float" -require_relative "type/immutable_string" -require_relative "type/integer" -require_relative "type/string" -require_relative "type/time" - -require_relative "type/registry" +require "active_model/type/helpers" +require "active_model/type/value" + +require "active_model/type/big_integer" +require "active_model/type/binary" +require "active_model/type/boolean" +require "active_model/type/date" +require "active_model/type/date_time" +require "active_model/type/decimal" +require "active_model/type/float" +require "active_model/type/immutable_string" +require "active_model/type/integer" +require "active_model/type/string" +require "active_model/type/time" + +require "active_model/type/registry" module ActiveModel module Type @@ -24,7 +24,7 @@ module ActiveModel class << self attr_accessor :registry # :nodoc: - # Add a new type to the registry, allowing it to be get through ActiveModel::Type#lookup + # Add a new type to the registry, allowing it to be gotten through ActiveModel::Type#lookup def register(type_name, klass = nil, **options, &block) registry.register(type_name, klass, **options, &block) end @@ -32,6 +32,10 @@ module ActiveModel def lookup(*args, **kwargs) # :nodoc: registry.lookup(*args, **kwargs) end + + def default_value # :nodoc: + @default_value ||= Value.new + end end register(:big_integer, Type::BigInteger) diff --git a/activemodel/lib/active_model/type/big_integer.rb b/activemodel/lib/active_model/type/big_integer.rb index d080fcc0f2..89e43bcc5f 100644 --- a/activemodel/lib/active_model/type/big_integer.rb +++ b/activemodel/lib/active_model/type/big_integer.rb @@ -1,6 +1,6 @@ # frozen_string_literal: true -require_relative "integer" +require "active_model/type/integer" module ActiveModel module Type diff --git a/activemodel/lib/active_model/type/helpers.rb b/activemodel/lib/active_model/type/helpers.rb index a4e1427b64..403f0a9e6b 100644 --- a/activemodel/lib/active_model/type/helpers.rb +++ b/activemodel/lib/active_model/type/helpers.rb @@ -1,6 +1,6 @@ # frozen_string_literal: true -require_relative "helpers/accepts_multiparameter_time" -require_relative "helpers/numeric" -require_relative "helpers/mutable" -require_relative "helpers/time_value" +require "active_model/type/helpers/accepts_multiparameter_time" +require "active_model/type/helpers/numeric" +require "active_model/type/helpers/mutable" +require "active_model/type/helpers/time_value" diff --git a/activemodel/lib/active_model/type/string.rb b/activemodel/lib/active_model/type/string.rb index 6ba2c2a3d2..36f13945b1 100644 --- a/activemodel/lib/active_model/type/string.rb +++ b/activemodel/lib/active_model/type/string.rb @@ -1,6 +1,6 @@ # frozen_string_literal: true -require_relative "immutable_string" +require "active_model/type/immutable_string" module ActiveModel module Type diff --git a/activemodel/lib/active_model/validations.rb b/activemodel/lib/active_model/validations.rb index cdf11d190f..7f14d102dd 100644 --- a/activemodel/lib/active_model/validations.rb +++ b/activemodel/lib/active_model/validations.rb @@ -164,14 +164,14 @@ module ActiveModel if options.key?(:on) options = options.dup + options[:on] = Array(options[:on]) options[:if] = Array(options[:if]) options[:if].unshift ->(o) { - !(Array(options[:on]) & Array(o.validation_context)).empty? + !(options[:on] & Array(o.validation_context)).empty? } end - args << options - set_callback(:validate, *args, &block) + set_callback(:validate, *args, options, &block) end # List all validators that are being used to validate the model using diff --git a/activemodel/lib/active_model/validations/callbacks.rb b/activemodel/lib/active_model/validations/callbacks.rb index 4d0ab2a2fe..887d31ae2a 100644 --- a/activemodel/lib/active_model/validations/callbacks.rb +++ b/activemodel/lib/active_model/validations/callbacks.rb @@ -54,15 +54,18 @@ module ActiveModel # person.valid? # => true # person.name # => "bob" def before_validation(*args, &block) - options = args.last - if options.is_a?(Hash) && options[:on] - options[:if] = Array(options[:if]) + options = args.extract_options! + + if options.key?(:on) + options = options.dup options[:on] = Array(options[:on]) + options[:if] = Array(options[:if]) options[:if].unshift ->(o) { - options[:on].include? o.validation_context + !(options[:on] & Array(o.validation_context)).empty? } end - set_callback(:validation, :before, *args, &block) + + set_callback(:validation, :before, *args, options, &block) end # Defines a callback that will get called right after validation. @@ -93,15 +96,18 @@ module ActiveModel # person.status # => true def after_validation(*args, &block) options = args.extract_options! + options = options.dup options[:prepend] = true - options[:if] = Array(options[:if]) - if options[:on] + + if options.key?(:on) options[:on] = Array(options[:on]) + options[:if] = Array(options[:if]) options[:if].unshift ->(o) { - options[:on].include? o.validation_context + !(options[:on] & Array(o.validation_context)).empty? } end - set_callback(:validation, :after, *(args << options), &block) + + set_callback(:validation, :after, *args, options, &block) end end diff --git a/activemodel/lib/active_model/validations/confirmation.rb b/activemodel/lib/active_model/validations/confirmation.rb index 0abec56b68..1b5d5b09ab 100644 --- a/activemodel/lib/active_model/validations/confirmation.rb +++ b/activemodel/lib/active_model/validations/confirmation.rb @@ -9,7 +9,7 @@ module ActiveModel end def validate_each(record, attribute, value) - if (confirmed = record.send("#{attribute}_confirmation")) + unless (confirmed = record.send("#{attribute}_confirmation")).nil? unless confirmation_value_equal?(record, attribute, value, confirmed) human_attribute_name = record.class.human_attribute_name(attribute) record.errors.add(:"#{attribute}_confirmation", :confirmation, options.except(:case_sensitive).merge!(attribute: human_attribute_name)) diff --git a/activemodel/lib/active_model/validations/exclusion.rb b/activemodel/lib/active_model/validations/exclusion.rb index a6cbfcc813..3be7ab6ba8 100644 --- a/activemodel/lib/active_model/validations/exclusion.rb +++ b/activemodel/lib/active_model/validations/exclusion.rb @@ -1,6 +1,6 @@ # frozen_string_literal: true -require_relative "clusivity" +require "active_model/validations/clusivity" module ActiveModel module Validations diff --git a/activemodel/lib/active_model/validations/inclusion.rb b/activemodel/lib/active_model/validations/inclusion.rb index 00e27b528a..3104e7e329 100644 --- a/activemodel/lib/active_model/validations/inclusion.rb +++ b/activemodel/lib/active_model/validations/inclusion.rb @@ -1,6 +1,6 @@ # frozen_string_literal: true -require_relative "clusivity" +require "active_model/validations/clusivity" module ActiveModel module Validations diff --git a/activemodel/lib/active_model/validations/length.rb b/activemodel/lib/active_model/validations/length.rb index d1a4197286..d6c80b2c5d 100644 --- a/activemodel/lib/active_model/validations/length.rb +++ b/activemodel/lib/active_model/validations/length.rb @@ -31,8 +31,8 @@ module ActiveModel keys.each do |key| value = options[key] - unless (value.is_a?(Integer) && value >= 0) || value == Float::INFINITY - raise ArgumentError, ":#{key} must be a nonnegative Integer or Infinity" + unless (value.is_a?(Integer) && value >= 0) || value == Float::INFINITY || value.is_a?(Symbol) || value.is_a?(Proc) + raise ArgumentError, ":#{key} must be a nonnegative Integer, Infinity, Symbol, or Proc" end end end @@ -45,6 +45,12 @@ module ActiveModel next unless check_value = options[key] if !value.nil? || skip_nil_check?(key) + case check_value + when Proc + check_value = check_value.call(record) + when Symbol + check_value = record.send(check_value) + end next if value_length.send(validity_check, check_value) end diff --git a/activemodel/lib/active_model/validations/validates.rb b/activemodel/lib/active_model/validations/validates.rb index 43d9f82d9f..e28e7e9219 100644 --- a/activemodel/lib/active_model/validations/validates.rb +++ b/activemodel/lib/active_model/validations/validates.rb @@ -154,7 +154,7 @@ module ActiveModel # When creating custom validators, it might be useful to be able to specify # additional default keys. This can be done by overwriting this method. def _validates_default_keys - [:if, :unless, :on, :allow_blank, :allow_nil , :strict] + [:if, :unless, :on, :allow_blank, :allow_nil, :strict] end def _parse_validates_options(options) |