diff options
Diffstat (limited to 'activemodel/lib')
18 files changed, 373 insertions, 154 deletions
diff --git a/activemodel/lib/active_model.rb b/activemodel/lib/active_model.rb index 46d60db756..8aa1b6f664 100644 --- a/activemodel/lib/active_model.rb +++ b/activemodel/lib/active_model.rb @@ -28,6 +28,7 @@ require 'active_model/version' module ActiveModel extend ActiveSupport::Autoload + autoload :AttributeAssignment autoload :AttributeMethods autoload :BlockValidator, 'active_model/validator' autoload :Callbacks @@ -49,6 +50,7 @@ module ActiveModel eager_autoload do autoload :Errors autoload :StrictValidationFailed, 'active_model/errors' + autoload :UnknownAttributeError, 'active_model/errors' end module Serializers diff --git a/activemodel/lib/active_model/attribute_assignment.rb b/activemodel/lib/active_model/attribute_assignment.rb new file mode 100644 index 0000000000..087d11f708 --- /dev/null +++ b/activemodel/lib/active_model/attribute_assignment.rb @@ -0,0 +1,52 @@ +require 'active_support/core_ext/hash/keys' + +module ActiveModel + module AttributeAssignment + include ActiveModel::ForbiddenAttributesProtection + + # Allows you to set all the attributes by passing in a hash of attributes with + # keys matching the attribute names. + # + # If the passed hash responds to <tt>permitted?</tt> method and the return value + # of this method is +false+ an <tt>ActiveModel::ForbiddenAttributesError</tt> + # exception is raised. + # + # class Cat + # include ActiveModel::AttributeAssignment + # attr_accessor :name, :status + # end + # + # cat = Cat.new + # cat.assign_attributes(name: "Gorby", status: "yawning") + # cat.name # => 'Gorby' + # cat.status => 'yawning' + # cat.assign_attributes(status: "sleeping") + # cat.name # => 'Gorby' + # cat.status => 'sleeping' + def assign_attributes(new_attributes) + if !new_attributes.respond_to?(:stringify_keys) + raise ArgumentError, "When assigning attributes, you must pass a hash as an argument." + end + return if new_attributes.blank? + + attributes = new_attributes.stringify_keys + _assign_attributes(sanitize_for_mass_assignment(attributes)) + end + + private + + def _assign_attributes(attributes) + attributes.each do |k, v| + _assign_attribute(k, v) + end + end + + def _assign_attribute(k, v) + if respond_to?("#{k}=") + public_send("#{k}=", v) + else + raise UnknownAttributeError.new(self, k) + end + end + end +end diff --git a/activemodel/lib/active_model/attribute_methods.rb b/activemodel/lib/active_model/attribute_methods.rb index 96be551264..286cd6c206 100644 --- a/activemodel/lib/active_model/attribute_methods.rb +++ b/activemodel/lib/active_model/attribute_methods.rb @@ -23,7 +23,7 @@ module ActiveModel # The requirements to implement <tt>ActiveModel::AttributeMethods</tt> are to: # # * <tt>include ActiveModel::AttributeMethods</tt> in your class. - # * Call each of its method you want to add, such as +attribute_method_suffix+ + # * Call each of its methods you want to add, such as +attribute_method_suffix+ # or +attribute_method_prefix+. # * Call +define_attribute_methods+ after the other methods are called. # * Define the various generic +_attribute+ methods that you have declared. @@ -225,9 +225,9 @@ module ActiveModel end # Declares the attributes that should be prefixed and suffixed by - # ActiveModel::AttributeMethods. + # <tt>ActiveModel::AttributeMethods</tt>. # - # To use, pass attribute names (as strings or symbols), be sure to declare + # To use, pass attribute names (as strings or symbols). Be sure to declare # +define_attribute_methods+ after you define any prefix, suffix or affix # methods, or they will not hook in. # @@ -239,7 +239,7 @@ module ActiveModel # # # Call to define_attribute_methods must appear after the # # attribute_method_prefix, attribute_method_suffix or - # # attribute_method_affix declares. + # # attribute_method_affix declarations. # define_attribute_methods :name, :age, :address # # private @@ -253,9 +253,9 @@ module ActiveModel end # Declares an attribute that should be prefixed and suffixed by - # ActiveModel::AttributeMethods. + # <tt>ActiveModel::AttributeMethods</tt>. # - # To use, pass an attribute name (as string or symbol), be sure to declare + # To use, pass an attribute name (as string or symbol). Be sure to declare # +define_attribute_method+ after you define any prefix, suffix or affix # method, or they will not hook in. # @@ -267,7 +267,7 @@ module ActiveModel # # # Call to define_attribute_method must appear after the # # attribute_method_prefix, attribute_method_suffix or - # # attribute_method_affix declares. + # # attribute_method_affix declarations. # define_attribute_method :name # # private @@ -363,7 +363,7 @@ module ActiveModel end # Define a method `name` in `mod` that dispatches to `send` - # using the given `extra` args. This fallbacks `define_method` + # using the given `extra` args. This falls back on `define_method` # and `send` if the given names cannot be compiled. def define_proxy_call(include_private, mod, name, send, *extra) #:nodoc: defn = if name =~ NAME_COMPILABLE_REGEXP @@ -419,7 +419,7 @@ module ActiveModel # returned by <tt>attributes</tt>, as though they were first-class # methods. So a +Person+ class with a +name+ attribute can for example use # <tt>Person#name</tt> and <tt>Person#name=</tt> and never directly use - # the attributes hash -- except for multiple assigns with + # the attributes hash -- except for multiple assignments with # <tt>ActiveRecord::Base#attributes=</tt>. # # It's also possible to instantiate related objects, so a <tt>Client</tt> diff --git a/activemodel/lib/active_model/callbacks.rb b/activemodel/lib/active_model/callbacks.rb index 6214802074..2cf39b68fb 100644 --- a/activemodel/lib/active_model/callbacks.rb +++ b/activemodel/lib/active_model/callbacks.rb @@ -49,7 +49,7 @@ module ActiveModel # puts 'block successfully called.' # end # - # You can choose not to have all three callbacks by passing a hash to the + # You can choose to have only specific callbacks by passing a hash to the # +define_model_callbacks+ method. # # define_model_callbacks :create, only: [:after, :before] diff --git a/activemodel/lib/active_model/dirty.rb b/activemodel/lib/active_model/dirty.rb index afba9bab0d..0169c20e0b 100644 --- a/activemodel/lib/active_model/dirty.rb +++ b/activemodel/lib/active_model/dirty.rb @@ -52,10 +52,10 @@ module ActiveModel # end # end # - # A newly instantiated object is unchanged: + # A newly instantiated +Person+ object is unchanged: # - # person = Person.find_by(name: 'Uncle Bob') - # person.changed? # => false + # person = Person.new + # person.changed? # => false # # Change the name: # @@ -71,54 +71,57 @@ module ActiveModel # Save the changes: # # person.save - # person.changed? # => false - # person.name_changed? # => false + # person.changed? # => false + # person.name_changed? # => false # # Reset the changes: # - # person.previous_changes # => {"name" => ["Uncle Bob", "Bill"]} + # person.previous_changes # => {"name" => ["Uncle Bob", "Bill"]} + # person.name_previously_changed? # => true + # person.name_previous_change # => ["Uncle Bob", "Bill"] # person.reload! - # person.previous_changes # => {} + # person.previous_changes # => {} # # Rollback the changes: # # person.name = "Uncle Bob" # person.rollback! - # person.name # => "Bill" - # person.name_changed? # => false + # person.name # => "Bill" + # person.name_changed? # => false # # Assigning the same value leaves the attribute unchanged: # # person.name = 'Bill' - # person.name_changed? # => false - # person.name_change # => nil + # person.name_changed? # => false + # person.name_change # => nil # # Which attributes have changed? # # person.name = 'Bob' - # person.changed # => ["name"] - # person.changes # => {"name" => ["Bill", "Bob"]} + # person.changed # => ["name"] + # person.changes # => {"name" => ["Bill", "Bob"]} # # If an attribute is modified in-place then make use of - # +[attribute_name]_will_change!+ to mark that the attribute is changing. + # <tt>[attribute_name]_will_change!</tt> to mark that the attribute is changing. # Otherwise \Active \Model can't track changes to in-place attributes. Note # that Active Record can detect in-place modifications automatically. You do - # not need to call +[attribute_name]_will_change!+ on Active Record models. + # not need to call <tt>[attribute_name]_will_change!</tt> on Active Record models. # # person.name_will_change! - # person.name_change # => ["Bill", "Bill"] + # person.name_change # => ["Bill", "Bill"] # person.name << 'y' - # person.name_change # => ["Bill", "Billy"] + # person.name_change # => ["Bill", "Billy"] module Dirty extend ActiveSupport::Concern include ActiveModel::AttributeMethods included do attribute_method_suffix '_changed?', '_change', '_will_change!', '_was' + attribute_method_suffix '_previously_changed?', '_previous_change' attribute_method_affix prefix: 'restore_', suffix: '!' end - # Returns +true+ if any attribute have unsaved changes, +false+ otherwise. + # Returns +true+ if any of the attributes have unsaved changes, +false+ otherwise. # # person.changed? # => false # person.name = 'bob' @@ -166,7 +169,7 @@ module ActiveModel @changed_attributes ||= ActiveSupport::HashWithIndifferentAccess.new end - # Handle <tt>*_changed?</tt> for +method_missing+. + # Handles <tt>*_changed?</tt> for +method_missing+. def attribute_changed?(attr, options = {}) #:nodoc: result = changes_include?(attr) result &&= options[:to] == __send__(attr) if options.key?(:to) @@ -174,11 +177,16 @@ module ActiveModel result end - # Handle <tt>*_was</tt> for +method_missing+. + # Handles <tt>*_was</tt> for +method_missing+. def attribute_was(attr) # :nodoc: attribute_changed?(attr) ? changed_attributes[attr] : __send__(attr) end + # Handles <tt>*_previously_changed?</tt> for +method_missing+. + def attribute_previously_changed?(attr, options = {}) #: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 } @@ -186,9 +194,17 @@ module ActiveModel private + # Returns +true+ if attr_name is changed, +false+ otherwise. def changes_include?(attr_name) attributes_changed_by_setter.include?(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) + @previously_changed.include?(attr_name) + end # Removes current changes and makes them accessible through +previous_changes+. def changes_applied # :doc: @@ -196,18 +212,23 @@ module ActiveModel @changed_attributes = ActiveSupport::HashWithIndifferentAccess.new end - # Clear all dirty data: current changes and previous changes. + # Clears all dirty data: current changes and previous changes. def clear_changes_information # :doc: @previously_changed = ActiveSupport::HashWithIndifferentAccess.new @changed_attributes = ActiveSupport::HashWithIndifferentAccess.new end - # Handle <tt>*_change</tt> for +method_missing+. + # Handles <tt>*_change</tt> for +method_missing+. def attribute_change(attr) [changed_attributes[attr], __send__(attr)] if attribute_changed?(attr) end - # Handle <tt>*_will_change!</tt> for +method_missing+. + # Handles <tt>*_previous_change</tt> for +method_missing+. + def attribute_previous_change(attr) + @previously_changed[attr] if attribute_previously_changed?(attr) + end + + # Handles <tt>*_will_change!</tt> for +method_missing+. def attribute_will_change!(attr) return if attribute_changed?(attr) @@ -220,7 +241,7 @@ module ActiveModel set_attribute_was(attr, value) end - # Handle <tt>restore_*!</tt> for +method_missing+. + # Handles <tt>restore_*!</tt> for +method_missing+. def restore_attribute!(attr) if attribute_changed?(attr) __send__("#{attr}=", changed_attributes[attr]) @@ -229,7 +250,7 @@ module ActiveModel end # This is necessary because `changed_attributes` might be overridden in - # other implemntations (e.g. in `ActiveRecord`) + # other implementations (e.g. in `ActiveRecord`) alias_method :attributes_changed_by_setter, :changed_attributes # :nodoc: # Force an attribute to have a particular "before" value diff --git a/activemodel/lib/active_model/errors.rb b/activemodel/lib/active_model/errors.rb index 55687cb3c7..29e0c977ce 100644 --- a/activemodel/lib/active_model/errors.rb +++ b/activemodel/lib/active_model/errors.rb @@ -2,6 +2,8 @@ require 'active_support/core_ext/array/conversions' require 'active_support/core_ext/string/inflections' +require 'active_support/core_ext/object/deep_dup' +require 'active_support/core_ext/string/filters' module ActiveModel # == Active \Model \Errors @@ -23,7 +25,7 @@ module ActiveModel # attr_reader :errors # # def validate! - # errors.add(:name, "cannot be nil") if name.nil? + # errors.add(:name, :blank, message: "cannot be nil") if name.nil? # end # # # The following methods are needed to be minimally implemented @@ -32,20 +34,20 @@ module ActiveModel # send(attr) # end # - # def Person.human_attribute_name(attr, options = {}) + # def self.human_attribute_name(attr, options = {}) # attr # end # - # def Person.lookup_ancestors + # def self.lookup_ancestors # [self] # end # end # - # The last three methods are required in your object for Errors to be + # The last three methods are required in your object for +Errors+ to be # able to generate error messages correctly and also handle multiple - # languages. Of course, if you extend your object with ActiveModel::Translation + # languages. Of course, if you extend your object with <tt>ActiveModel::Translation</tt> # you will not need to implement the last two. Likewise, using - # ActiveModel::Validations will handle the validation related methods + # <tt>ActiveModel::Validations</tt> will handle the validation related methods # for you. # # The above allows you to do: @@ -58,8 +60,9 @@ module ActiveModel include Enumerable CALLBACKS_OPTIONS = [:if, :unless, :on, :allow_nil, :allow_blank, :strict] + MESSAGE_OPTIONS = [:message] - attr_reader :messages + attr_reader :messages, :details # Pass in the instance of the object that is using the errors object. # @@ -70,11 +73,13 @@ module ActiveModel # end def initialize(base) @base = base - @messages = {} + @messages = Hash.new { |messages, attribute| messages[attribute] = [] } + @details = Hash.new { |details, attribute| details[attribute] = [] } end def initialize_dup(other) # :nodoc: @messages = other.messages.dup + @details = other.details.deep_dup super end @@ -85,6 +90,7 @@ module ActiveModel # person.errors.full_messages # => [] def clear messages.clear + details.clear end # Returns +true+ if the error messages include an error for the given key @@ -96,35 +102,46 @@ module ActiveModel def include?(attribute) messages[attribute].present? end - # aliases include? alias :has_key? :include? - # aliases include? alias :key? :include? # Get messages for +key+. # # person.errors.messages # => {:name=>["cannot be nil"]} # person.errors.get(:name) # => ["cannot be nil"] - # person.errors.get(:age) # => nil + # person.errors.get(:age) # => [] def get(key) + ActiveSupport::Deprecation.warn(<<-MESSAGE.squish) + ActiveModel::Errors#get is deprecated and will be removed in Rails 5.1. + + To achieve the same use model.errors[:#{key}]. + MESSAGE + messages[key] end # Set messages for +key+ to +value+. # - # person.errors.get(:name) # => ["cannot be nil"] + # person.errors[:name] # => ["cannot be nil"] # person.errors.set(:name, ["can't be nil"]) - # person.errors.get(:name) # => ["can't be nil"] + # person.errors[:name] # => ["can't be nil"] def set(key, value) + ActiveSupport::Deprecation.warn(<<-MESSAGE.squish) + ActiveModel::Errors#set is deprecated and will be removed in Rails 5.1. + + Use model.errors.add(:#{key}, #{value.inspect}) instead. + MESSAGE + messages[key] = value end # Delete messages for +key+. Returns the deleted messages. # - # person.errors.get(:name) # => ["cannot be nil"] + # person.errors[:name] # => ["cannot be nil"] # person.errors.delete(:name) # => ["cannot be nil"] - # person.errors.get(:name) # => nil + # person.errors[:name] # => [] def delete(key) + details.delete(key) messages.delete(key) end @@ -134,7 +151,7 @@ module ActiveModel # person.errors[:name] # => ["cannot be nil"] # person.errors['name'] # => ["cannot be nil"] def [](attribute) - get(attribute.to_sym) || set(attribute.to_sym, []) + messages[attribute.to_sym] end # Adds to the supplied attribute the supplied error message. @@ -142,38 +159,45 @@ module ActiveModel # person.errors[:name] = "must be set" # person.errors[:name] # => ['must be set'] def []=(attribute, error) - self[attribute] << error + ActiveSupport::Deprecation.warn(<<-MESSAGE.squish) + ActiveModel::Errors#[]= is deprecated and will be removed in Rails 5.1. + + Use model.errors.add(:#{attribute}, #{error.inspect}) instead. + MESSAGE + + messages[attribute.to_sym] << error end # Iterates through each error key, value pair in the error messages hash. # Yields the attribute and the error for that attribute. If the attribute # has more than one error message, yields once for each error message. # - # person.errors.add(:name, "can't be blank") + # person.errors.add(:name, :blank, message: "can't be blank") # person.errors.each do |attribute, error| # # Will yield :name and "can't be blank" # end # - # person.errors.add(:name, "must be specified") + # person.errors.add(:name, :not_specified, message: "must be specified") # person.errors.each do |attribute, error| # # Will yield :name and "can't be blank" # # then yield :name and "must be specified" # end def each messages.each_key do |attribute| - self[attribute].each { |error| yield attribute, error } + messages[attribute].each { |error| yield attribute, error } end end # Returns the number of error messages. # - # person.errors.add(:name, "can't be blank") + # person.errors.add(:name, :blank, message: "can't be blank") # person.errors.size # => 1 - # person.errors.add(:name, "must be specified") + # person.errors.add(:name, :not_specified, message: "must be specified") # person.errors.size # => 2 def size values.flatten.size end + alias :count :size # Returns all message values. # @@ -191,40 +215,20 @@ module ActiveModel messages.keys end - # Returns an array of error messages, with the attribute name included. - # - # person.errors.add(:name, "can't be blank") - # person.errors.add(:name, "must be specified") - # person.errors.to_a # => ["name can't be blank", "name must be specified"] - def to_a - full_messages - end - - # Returns the number of error messages. - # - # person.errors.add(:name, "can't be blank") - # person.errors.count # => 1 - # person.errors.add(:name, "must be specified") - # person.errors.count # => 2 - def count - to_a.size - end - # Returns +true+ if no errors are found, +false+ otherwise. # If the error message is a string it can be empty. # # person.errors.full_messages # => ["name cannot be nil"] # person.errors.empty? # => false def empty? - all? { |k, v| v && v.empty? && !v.is_a?(String) } + size.zero? end - # aliases empty? - alias_method :blank?, :empty? + alias :blank? :empty? # Returns an xml formatted representation of the Errors hash. # - # person.errors.add(:name, "can't be blank") - # person.errors.add(:name, "must be specified") + # person.errors.add(:name, :blank, message: "can't be blank") + # person.errors.add(:name, :not_specified, message: "must be specified") # person.errors.to_xml # # => # # <?xml version=\"1.0\" encoding=\"UTF-8\"?> @@ -261,17 +265,20 @@ module ActiveModel end end - # Adds +message+ to the error messages on +attribute+. More than one error - # can be added to the same +attribute+. If no +message+ is supplied, - # <tt>:invalid</tt> is assumed. + # Adds +message+ to the error messages and used validator type to +details+ on +attribute+. + # More than one error can be added to the same +attribute+. + # If no +message+ is supplied, <tt>:invalid</tt> is assumed. # # person.errors.add(:name) # # => ["is invalid"] - # person.errors.add(:name, 'must be implemented') + # person.errors.add(:name, :not_implemented, message: "must be implemented") # # => ["is invalid", "must be implemented"] # # person.errors.messages - # # => {:name=>["must be implemented", "is invalid"]} + # # => {:name=>["is invalid", "must be implemented"]} + # + # person.errors.details + # # => {:name=>[{error: :not_implemented}, {error: :invalid}]} # # If +message+ is a symbol, it will be translated using the appropriate # scope (see +generate_message+). @@ -293,17 +300,23 @@ module ActiveModel # +attribute+ should be set to <tt>:base</tt> if the error is not # directly associated with a single attribute. # - # person.errors.add(:base, "either name or email must be present") + # person.errors.add(:base, :name_or_email_blank, + # message: "either name or email must be present") # person.errors.messages # # => {:base=>["either name or email must be present"]} + # person.errors.details + # # => {:base=>[{error: :name_or_email_blank}]} def add(attribute, message = :invalid, options = {}) + message = message.call if message.respond_to?(:call) + detail = normalize_detail(attribute, message, options) message = normalize_message(attribute, message, options) if exception = options[:strict] exception = ActiveModel::StrictValidationFailed if exception == true raise exception, full_message(attribute, message) end - self[attribute] << message + details[attribute.to_sym] << detail + messages[attribute.to_sym] << message end # Will add an error message to each of the attributes in +attributes+ @@ -313,6 +326,14 @@ module ActiveModel # person.errors.messages # # => {:name=>["can't be empty"]} def add_on_empty(attributes, options = {}) + ActiveSupport::Deprecation.warn(<<-MESSAGE.squish) + ActiveModel::Errors#add_on_empty is deprecated and will be removed in Rails 5.1 + + To achieve the same use: + + errors.add(attribute, :empty, options) if value.nil? || value.empty? + MESSAGE + Array(attributes).each do |attribute| value = @base.send(:read_attribute_for_validation, attribute) is_empty = value.respond_to?(:empty?) ? value.empty? : false @@ -327,6 +348,14 @@ module ActiveModel # person.errors.messages # # => {:name=>["can't be blank"]} def add_on_blank(attributes, options = {}) + ActiveSupport::Deprecation.warn(<<-MESSAGE.squish) + ActiveModel::Errors#add_on_blank is deprecated and will be removed in Rails 5.1 + + To achieve the same use: + + errors.add(attribute, :empty, options) if value.blank? + MESSAGE + Array(attributes).each do |attribute| value = @base.send(:read_attribute_for_validation, attribute) add(attribute, :blank, options) if value.blank? @@ -339,6 +368,7 @@ module ActiveModel # person.errors.add :name, :blank # person.errors.added? :name, :blank # => true def added?(attribute, message = :invalid, options = {}) + message = message.call if message.respond_to?(:call) message = normalize_message(attribute, message, options) self[attribute].include? message end @@ -356,6 +386,7 @@ module ActiveModel def full_messages map { |attribute, message| full_message(attribute, message) } end + alias :to_a :full_messages # Returns all the full error messages for a given attribute in an array. # @@ -368,7 +399,7 @@ module ActiveModel # person.errors.full_messages_for(:name) # # => ["Name is too short (minimum is 5 characters)", "Name can't be blank"] def full_messages_for(attribute) - (get(attribute) || []).map { |message| full_message(attribute, message) } + messages[attribute].map { |message| full_message(attribute, message) } end # Returns a full message for a given attribute. @@ -388,8 +419,8 @@ module ActiveModel # Translates an error message in its default scope # (<tt>activemodel.errors.messages</tt>). # - # Error messages are first looked up in <tt>models.MODEL.attributes.ATTRIBUTE.MESSAGE</tt>, - # if it's not there, it's looked up in <tt>models.MODEL.MESSAGE</tt> and if + # Error messages are first looked up in <tt>activemodel.errors.models.MODEL.attributes.ATTRIBUTE.MESSAGE</tt>, + # if it's not there, it's looked up in <tt>activemodel.errors.models.MODEL.MESSAGE</tt> and if # that is not there also, it returns the translation of the default message # (e.g. <tt>activemodel.errors.messages.MESSAGE</tt>). The translated model # name, translated attribute name and the value are available for @@ -421,7 +452,6 @@ module ActiveModel defaults = [] end - defaults << options.delete(:message) defaults << :"#{@base.class.i18n_scope}.errors.messages.#{type}" if @base.class.respond_to?(:i18n_scope) defaults << :"errors.attributes.#{attribute}.#{type}" defaults << :"errors.messages.#{type}" @@ -430,6 +460,7 @@ module ActiveModel defaults.flatten! key = defaults.shift + defaults = options.delete(:message) if options[:message] value = (attribute != :base ? @base.send(:read_attribute_for_validation, attribute) : nil) options = { @@ -447,12 +478,14 @@ module ActiveModel case message when Symbol generate_message(attribute, message, options.except(*CALLBACKS_OPTIONS)) - when Proc - message.call else message end end + + def normalize_detail(attribute, message, options) + { error: message }.merge(options.except(*CALLBACKS_OPTIONS + MESSAGE_OPTIONS)) + end end # Raised when a validation cannot be corrected by end users and are considered @@ -472,4 +505,15 @@ module ActiveModel # # => ActiveModel::StrictValidationFailed: Name can't be blank class StrictValidationFailed < StandardError end + + # Raised when unknown attributes are supplied via mass assignment. + class UnknownAttributeError < NoMethodError + attr_reader :record, :attribute + + def initialize(record, attribute) + @record = record + @attribute = attribute + super("unknown attribute '#{attribute}' for #{@record.class}.") + end + end end diff --git a/activemodel/lib/active_model/lint.rb b/activemodel/lib/active_model/lint.rb index 38087521a2..010eaeb170 100644 --- a/activemodel/lib/active_model/lint.rb +++ b/activemodel/lib/active_model/lint.rb @@ -21,28 +21,27 @@ module ActiveModel # +self+. module Tests - # == Responds to <tt>to_key</tt> + # Passes if the object's model responds to <tt>to_key</tt> and if calling + # this method returns +nil+ when the object is not persisted. + # Fails otherwise. # - # Returns an Enumerable of all (primary) key attributes - # or nil if <tt>model.persisted?</tt> is false. This is used by - # <tt>dom_id</tt> to generate unique ids for the object. + # <tt>to_key</tt> returns an Enumerable of all (primary) key attributes + # of the model, and is used to a generate unique DOM id for the object. def test_to_key assert model.respond_to?(:to_key), "The model should respond to to_key" def model.persisted?() false end assert model.to_key.nil?, "to_key should return nil when `persisted?` returns false" end - # == Responds to <tt>to_param</tt> - # - # Returns a string representing the object's key suitable for use in URLs - # or +nil+ if <tt>model.persisted?</tt> is +false+. + # Passes if the object's model responds to <tt>to_param</tt> and if + # calling this method returns +nil+ when the object is not persisted. + # Fails otherwise. # + # <tt>to_param</tt> is used to represent the object's key in URLs. # Implementers can decide to either raise an exception or provide a # default in case the record uses a composite primary key. There are no # tests for this behavior in lint because it doesn't make sense to force # any of the possible implementation strategies on the implementer. - # However, if the resource is not persisted?, then <tt>to_param</tt> - # should always return +nil+. def test_to_param assert model.respond_to?(:to_param), "The model should respond to to_param" def model.to_key() [1] end @@ -50,32 +49,34 @@ module ActiveModel assert model.to_param.nil?, "to_param should return nil when `persisted?` returns false" end - # == Responds to <tt>to_partial_path</tt> + # Passes if the object's model responds to <tt>to_partial_path</tt> and if + # calling this method returns a string. Fails otherwise. # - # Returns a string giving a relative path. This is used for looking up - # partials. For example, a BlogPost model might return "blog_posts/blog_post" + # <tt>to_partial_path</tt> is used for looking up partials. For example, + # a BlogPost model might return "blog_posts/blog_post". def test_to_partial_path assert model.respond_to?(:to_partial_path), "The model should respond to to_partial_path" assert_kind_of String, model.to_partial_path end - # == Responds to <tt>persisted?</tt> + # Passes if the object's model responds to <tt>persisted?</tt> and if + # calling this method returns either +true+ or +false+. Fails otherwise. # - # Returns a boolean that specifies whether the object has been persisted - # yet. This is used when calculating the URL for an object. If the object - # is not persisted, a form for that object, for instance, will route to - # the create action. If it is persisted, a form for the object will routes - # to the update action. + # <tt>persisted?</tt> is used when calculating the URL for an object. + # If the object is not persisted, a form for that object, for instance, + # will route to the create action. If it is persisted, a form for the + # object will route to the update action. def test_persisted? assert model.respond_to?(:persisted?), "The model should respond to persisted?" assert_boolean model.persisted?, "persisted?" end - # == \Naming + # Passes if the object's model responds to <tt>model_name</tt> both as + # an instance method and as a class method, and if calling this method + # returns a string with some convenience methods: <tt>:human</tt>, + # <tt>:singular</tt> and <tt>:plural</tt>. # - # Model.model_name and Model#model_name must return a string with some - # convenience methods: # <tt>:human</tt>, <tt>:singular</tt> and - # <tt>:plural</tt>. Check ActiveModel::Naming for more information. + # Check ActiveModel::Naming for more information. def test_model_naming assert model.class.respond_to?(:model_name), "The model class should respond to model_name" model_name = model.class.model_name @@ -88,12 +89,15 @@ module ActiveModel assert_equal model.model_name, model.class.model_name end - # == \Errors Testing + # Passes if the object's model responds to <tt>errors</tt> and if calling + # <tt>[](attribute)</tt> on the result of this method returns an array. + # Fails otherwise. # - # Returns an object that implements [](attribute) defined which returns an - # Array of Strings that are the errors for the attribute in question. - # If localization is used, the Strings should be localized for the current - # locale. If no error is present, this method should return an empty Array. + # <tt>errors[attribute]</tt> is used to retrieve the errors of a model + # for a given attribute. If errors are present, the method should return + # an array of strings that are the errors for the attribute in question. + # If localization is used, the strings should be localized for the current + # locale. If no error is present, the method should return an empty array. def test_errors_aref assert model.respond_to?(:errors), "The model should respond to errors" assert model.errors[:hello].is_a?(Array), "errors#[] should return an Array" diff --git a/activemodel/lib/active_model/locale/en.yml b/activemodel/lib/active_model/locale/en.yml index bf07945fe1..061e35dd1e 100644 --- a/activemodel/lib/active_model/locale/en.yml +++ b/activemodel/lib/active_model/locale/en.yml @@ -6,6 +6,7 @@ en: # The values :model, :attribute and :value are always available for interpolation # The value :count is available when applicable. Can be used for pluralization. messages: + model_invalid: "Validation failed: %{errors}" inclusion: "is not included in the list" exclusion: "is reserved" invalid: "is invalid" @@ -16,7 +17,7 @@ en: present: "must be blank" too_long: one: "is too long (maximum is 1 character)" - other: "is too long (maximum is %{count} characters)" + other: "is too long (maximum is %{count} characters)" too_short: one: "is too short (minimum is 1 character)" other: "is too short (minimum is %{count} characters)" diff --git a/activemodel/lib/active_model/model.rb b/activemodel/lib/active_model/model.rb index d51d6ddcc9..dac8d549a7 100644 --- a/activemodel/lib/active_model/model.rb +++ b/activemodel/lib/active_model/model.rb @@ -57,6 +57,7 @@ module ActiveModel # (see below). module Model extend ActiveSupport::Concern + include ActiveModel::AttributeAssignment include ActiveModel::Validations include ActiveModel::Conversion @@ -75,10 +76,8 @@ module ActiveModel # person = Person.new(name: 'bob', age: '18') # person.name # => "bob" # person.age # => "18" - def initialize(params={}) - params.each do |attr, value| - self.public_send("#{attr}=", value) - end if params + def initialize(attributes={}) + assign_attributes(attributes) if attributes super() end diff --git a/activemodel/lib/active_model/naming.rb b/activemodel/lib/active_model/naming.rb index ada1f9a4f3..1f1749af4e 100644 --- a/activemodel/lib/active_model/naming.rb +++ b/activemodel/lib/active_model/naming.rb @@ -1,5 +1,7 @@ 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/delegation' module ActiveModel class Name @@ -129,7 +131,7 @@ module ActiveModel # # Equivalent to +to_s+. delegate :==, :===, :<=>, :=~, :"!~", :eql?, :to_s, - :to_str, to: :name + :to_str, :as_json, to: :name # Returns a new ActiveModel::Name instance. By default, the +namespace+ # and +name+ option will take the namespace and name of the given class diff --git a/activemodel/lib/active_model/secure_password.rb b/activemodel/lib/active_model/secure_password.rb index 96e88f1b6c..89da74efa8 100644 --- a/activemodel/lib/active_model/secure_password.rb +++ b/activemodel/lib/active_model/secure_password.rb @@ -26,7 +26,7 @@ module ActiveModel # it). When this attribute has a +nil+ value, the validation will not be # triggered. # - # For further customizability, it is possible to supress the default + # For further customizability, it is possible to suppress the default # validations by passing <tt>validations: false</tt> as an argument. # # Add bcrypt (~> 3.1.7) to Gemfile to use #has_secure_password: @@ -77,13 +77,6 @@ module ActiveModel validates_length_of :password, maximum: ActiveModel::SecurePassword::MAX_PASSWORD_LENGTH_ALLOWED validates_confirmation_of :password, allow_blank: true end - - # This code is necessary as long as the protected_attributes gem is supported. - if respond_to?(:attributes_protected_by_default) - def self.attributes_protected_by_default #:nodoc: - super + ['password_digest'] - end - end end end diff --git a/activemodel/lib/active_model/serialization.rb b/activemodel/lib/active_model/serialization.rb index 976f50b13e..f95849eb84 100644 --- a/activemodel/lib/active_model/serialization.rb +++ b/activemodel/lib/active_model/serialization.rb @@ -94,6 +94,37 @@ module ActiveModel # person.serializable_hash(except: :name) # => {"age"=>22} # person.serializable_hash(methods: :capitalized_name) # # => {"name"=>"bob", "age"=>22, "capitalized_name"=>"Bob"} + # + # Example with <tt>:include</tt> option + # + # class User + # include ActiveModel::Serializers::JSON + # attr_accessor :name, :notes # Emulate has_many :notes + # def attributes + # {'name' => nil} + # end + # end + # + # class Note + # include ActiveModel::Serializers::JSON + # attr_accessor :title, :text + # def attributes + # {'title' => nil, 'text' => nil} + # end + # end + # + # note = Note.new + # note.title = 'Battle of Austerlitz' + # note.text = 'Some text here' + # + # user = User.new + # user.name = 'Napoleon' + # user.notes = [note] + # + # user.serializable_hash + # # => {"name" => "Napoleon"} + # user.serializable_hash(include: { notes: { only: 'title' }}) + # # => {"name" => "Napoleon", "notes" => [{"title"=>"Battle of Austerlitz"}]} def serializable_hash(options = nil) options ||= {} @@ -107,7 +138,7 @@ module ActiveModel hash = {} attribute_names.each { |n| hash[n] = read_attribute_for_serialization(n) } - Array(options[:methods]).each { |m| hash[m.to_s] = send(m) if respond_to?(m) } + Array(options[:methods]).each { |m| hash[m.to_s] = send(m) } serializable_add_includes(options) do |association, records, opts| hash[association.to_s] = if records.respond_to?(:to_ary) diff --git a/activemodel/lib/active_model/validations.rb b/activemodel/lib/active_model/validations.rb index 6a2668b8f7..c1019169e1 100644 --- a/activemodel/lib/active_model/validations.rb +++ b/activemodel/lib/active_model/validations.rb @@ -87,6 +87,7 @@ module ActiveModel validates_with BlockValidator, _merge_attributes(attr_names), &block end + # :nodoc: VALID_OPTIONS_FOR_VALIDATE = [:on, :if, :unless, :prepend].freeze # Adds a validation method or block to the class. This is useful when @@ -371,6 +372,15 @@ module ActiveModel !valid?(context) end + # Runs all the validations within the specified context. Returns +true+ if + # no errors are found, raises +ValidationError+ otherwise. + # + # Validations with no <tt>:on</tt> option will run no matter the context. Validations with + # some <tt>:on</tt> option will only run in the specified context. + def validate!(context = nil) + valid?(context) || raise_validation_error + end + # Hook method defining how an attribute value should be retrieved. By default # this is assumed to be an instance named after the attribute. Override this # method in subclasses should you need to retrieve the value for a given @@ -392,9 +402,33 @@ module ActiveModel protected def run_validations! #:nodoc: - _run_validate_callbacks + run_callbacks :validate errors.empty? end + + def raise_validation_error + raise(ValidationError.new(self)) + end + end + + # = Active Model ValidationError + # + # Raised by <tt>validate!</tt> when the model is invalid. Use the + # +model+ method to retrieve the record which did not validate. + # + # begin + # complex_operation_that_internally_calls_validate! + # rescue ActiveModel::ValidationError => invalid + # puts invalid.model.errors + # end + class ValidationError < StandardError + attr_reader :model + + def initialize(model) + @model = model + errors = @model.errors.full_messages.join(", ") + super(I18n.t(:"#{@model.class.i18n_scope}.errors.messages.model_invalid", errors: errors, default: :"errors.messages.model_invalid")) + end end end diff --git a/activemodel/lib/active_model/validations/acceptance.rb b/activemodel/lib/active_model/validations/acceptance.rb index ac5e79859b..ee160fb483 100644 --- a/activemodel/lib/active_model/validations/acceptance.rb +++ b/activemodel/lib/active_model/validations/acceptance.rb @@ -3,12 +3,12 @@ module ActiveModel module Validations class AcceptanceValidator < EachValidator # :nodoc: def initialize(options) - super({ allow_nil: true, accept: "1" }.merge!(options)) + super({ allow_nil: true, accept: ["1", true] }.merge!(options)) setup!(options[:class]) end def validate_each(record, attribute, value) - unless value == options[:accept] + unless acceptable_option?(value) record.errors.add(attribute, :accepted, options.except(:accept, :allow_nil)) end end @@ -20,6 +20,10 @@ module ActiveModel klass.send(:attr_reader, *attr_readers) klass.send(:attr_writer, *attr_writers) end + + def acceptable_option?(value) + Array(options[:accept]).include?(value) + end end module HelperMethods diff --git a/activemodel/lib/active_model/validations/callbacks.rb b/activemodel/lib/active_model/validations/callbacks.rb index 4b58ef66e3..b4301c23e4 100644 --- a/activemodel/lib/active_model/validations/callbacks.rb +++ b/activemodel/lib/active_model/validations/callbacks.rb @@ -109,7 +109,7 @@ module ActiveModel # Overwrite run validations to include callbacks. def run_validations! #:nodoc: - _run_validation_callbacks { super } + run_callbacks(:validation) { super } end end end diff --git a/activemodel/lib/active_model/validations/format.rb b/activemodel/lib/active_model/validations/format.rb index 02478dd5b6..46a2e54fba 100644 --- a/activemodel/lib/active_model/validations/format.rb +++ b/activemodel/lib/active_model/validations/format.rb @@ -77,7 +77,7 @@ module ActiveModel # with: ->(person) { person.admin? ? /\A[a-z0-9][a-z0-9_\-]*\z/i : /\A[a-z][a-z0-9_\-]*\z/i } # end # - # Note: use <tt>\A</tt> and <tt>\Z</tt> to match the start and end of the + # Note: use <tt>\A</tt> and <tt>\z</tt> to match the start and end of the # string, <tt>^</tt> and <tt>$</tt> match the start/end of a line. # # Due to frequent misuse of <tt>^</tt> and <tt>$</tt>, you need to pass diff --git a/activemodel/lib/active_model/validations/length.rb b/activemodel/lib/active_model/validations/length.rb index a96b30cadd..c22a58f9e1 100644 --- a/activemodel/lib/active_model/validations/length.rb +++ b/activemodel/lib/active_model/validations/length.rb @@ -1,3 +1,5 @@ +require "active_support/core_ext/string/strip" + module ActiveModel # == Active \Model Length Validator @@ -18,6 +20,27 @@ module ActiveModel options[:minimum] = 1 end + if options[:tokenizer] + ActiveSupport::Deprecation.warn(<<-EOS.strip_heredoc) + The `:tokenizer` option is deprecated, and will be removed in Rails 5.1. + You can achieve the same functionality by defining an instance method + with the value that you want to validate the length of. For example, + + validates_length_of :essay, minimum: 100, + tokenizer: ->(str) { str.scan(/\w+/) } + + should be written as + + validates_length_of :words_in_essay, minimum: 100 + + private + + def words_in_essay + essay.scan(/\w+/) + end + EOS + end + super end @@ -38,7 +61,7 @@ module ActiveModel end def validate_each(record, attribute, value) - value = tokenize(value) + value = tokenize(record, value) value_length = value.respond_to?(:length) ? value.length : value.to_s.length errors_options = options.except(*RESERVED_OPTIONS) @@ -59,10 +82,14 @@ module ActiveModel end private - - def tokenize(value) - if options[:tokenizer] && value.kind_of?(String) - options[:tokenizer].call(value) + def tokenize(record, value) + tokenizer = options[:tokenizer] + if tokenizer && value.kind_of?(String) + if tokenizer.kind_of?(Proc) + tokenizer.call(value) + elsif record.respond_to?(tokenizer) + record.send(tokenizer, value) + end end || value end @@ -84,8 +111,13 @@ module ActiveModel # validates_length_of :user_name, within: 6..20, too_long: 'pick a shorter name', too_short: 'pick a longer name' # validates_length_of :zip_code, minimum: 5, too_short: 'please enter at least 5 characters' # validates_length_of :smurf_leader, is: 4, message: "papa is spelled with 4 characters... don't play me." - # validates_length_of :essay, minimum: 100, too_short: 'Your essay must be at least 100 words.', - # tokenizer: ->(str) { str.scan(/\w+/) } + # validates_length_of :words_in_essay, minimum: 100, too_short: 'Your essay must be at least 100 words.' + # + # private + # + # def words_in_essay + # essay.scan(/\w+/) + # end # end # # Configuration options: @@ -108,10 +140,6 @@ module ActiveModel # * <tt>:message</tt> - The error message to use for a <tt>:minimum</tt>, # <tt>:maximum</tt>, or <tt>:is</tt> violation. An alias of the appropriate # <tt>too_long</tt>/<tt>too_short</tt>/<tt>wrong_length</tt> message. - # * <tt>:tokenizer</tt> - Specifies how to split up the attribute string. - # (e.g. <tt>tokenizer: ->(str) { str.scan(/\w+/) }</tt> to count words - # as in above example). Defaults to <tt>->(value) { value.split(//) }</tt> - # which counts individual characters. # # There is also a list of default options supported by every validator: # +:if+, +:unless+, +:on+ and +:strict+. diff --git a/activemodel/lib/active_model/validator.rb b/activemodel/lib/active_model/validator.rb index ac32750946..1d2888a818 100644 --- a/activemodel/lib/active_model/validator.rb +++ b/activemodel/lib/active_model/validator.rb @@ -15,7 +15,7 @@ module ActiveModel # class MyValidator < ActiveModel::Validator # def validate(record) # if some_complex_logic - # record.errors[:base] = "This record is invalid" + # record.errors.add(:base, "This record is invalid") # end # end # @@ -163,6 +163,10 @@ module ActiveModel # +ArgumentError+ when invalid options are supplied. def check_validity! end + + def should_validate?(record) # :nodoc: + !record.persisted? || record.changed? || record.marked_for_destruction? + end end # +BlockValidator+ is a special +EachValidator+ which receives a block on initialization |