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-rw-r--r--activemodel/lib/active_model/dirty.rb51
-rw-r--r--activemodel/lib/active_model/errors.rb2
-rw-r--r--activemodel/lib/active_model/naming.rb7
-rw-r--r--activemodel/lib/active_model/secure_password.rb22
-rw-r--r--activemodel/lib/active_model/serialization.rb16
-rw-r--r--activemodel/lib/active_model/validations/numericality.rb14
6 files changed, 86 insertions, 26 deletions
diff --git a/activemodel/lib/active_model/dirty.rb b/activemodel/lib/active_model/dirty.rb
index 98ffffeb10..24214187af 100644
--- a/activemodel/lib/active_model/dirty.rb
+++ b/activemodel/lib/active_model/dirty.rb
@@ -15,8 +15,9 @@ module ActiveModel
# * Call <tt>attr_name_will_change!</tt> before each change to the tracked
# attribute.
# * Call <tt>changes_applied</tt> after the changes are persisted.
- # * Call <tt>reset_changes</tt> when you want to reset the changes
+ # * Call <tt>clear_changes_information</tt> when you want to reset the changes
# information.
+ # * Call <tt>restore_attributes</tt> when you want to restore previous data.
#
# A minimal implementation could be:
#
@@ -36,11 +37,18 @@ module ActiveModel
#
# def save
# # do persistence work
+ #
# changes_applied
# end
#
# def reload!
- # reset_changes
+ # # get the values from the persistence layer
+ #
+ # clear_changes_information
+ # end
+ #
+ # def rollback!
+ # restore_attributes
# end
# end
#
@@ -72,6 +80,13 @@ module ActiveModel
# person.reload!
# person.previous_changes # => {}
#
+ # Rollback the changes:
+ #
+ # person.name = "Uncle Bob"
+ # person.rollback!
+ # person.name # => "Bill"
+ # person.name_changed? # => false
+ #
# Assigning the same value leaves the attribute unchanged:
#
# person.name = 'Bill'
@@ -84,9 +99,11 @@ module ActiveModel
# person.changed # => ["name"]
# person.changes # => {"name" => ["Bill", "Bob"]}
#
- # If an attribute is modified in-place then make use of <tt>[attribute_name]_will_change!</tt>
- # to mark that the attribute is changing. Otherwise ActiveModel can't track
- # changes to in-place attributes.
+ # If an attribute is modified in-place then make use of
+ # +[attribute_name]_will_change!+ 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.
#
# person.name_will_change!
# person.name_change # => ["Bill", "Bill"]
@@ -99,6 +116,7 @@ module ActiveModel
included do
attribute_method_suffix '_changed?', '_change', '_will_change!', '_was'
attribute_method_affix prefix: 'reset_', suffix: '!'
+ attribute_method_affix prefix: 'restore_', suffix: '!'
end
# Returns +true+ if any attribute have unsaved changes, +false+ otherwise.
@@ -165,17 +183,27 @@ module ActiveModel
private
# Removes current changes and makes them accessible through +previous_changes+.
- def changes_applied
+ def changes_applied # :doc:
@previously_changed = changes
@changed_attributes = ActiveSupport::HashWithIndifferentAccess.new
end
- # Removes all dirty data: current changes and previous changes
- def reset_changes
+ # Clear all dirty data: current changes and previous changes.
+ def clear_changes_information # :doc:
@previously_changed = ActiveSupport::HashWithIndifferentAccess.new
@changed_attributes = ActiveSupport::HashWithIndifferentAccess.new
end
+ def reset_changes
+ ActiveSupport::Deprecation.warn "#reset_changes is deprecated and will be removed on Rails 5. Please use #clear_changes_information instead."
+ clear_changes_information
+ end
+
+ # Restore all previous data.
+ def restore_attributes # :doc:
+ changed_attributes.each_key { |attr| restore_attribute! attr }
+ end
+
# Handle <tt>*_change</tt> for +method_missing+.
def attribute_change(attr)
[changed_attributes[attr], __send__(attr)] if attribute_changed?(attr)
@@ -196,6 +224,13 @@ module ActiveModel
# Handle <tt>reset_*!</tt> for +method_missing+.
def reset_attribute!(attr)
+ ActiveSupport::Deprecation.warn "#reset_#{attr}! is deprecated and will be removed on Rails 5. Please use #restore_#{attr}! instead."
+
+ restore_attribute!(attr)
+ end
+
+ # Handle <tt>restore_*!</tt> for +method_missing+.
+ def restore_attribute!(attr)
if attribute_changed?(attr)
__send__("#{attr}=", changed_attributes[attr])
changed_attributes.delete(attr)
diff --git a/activemodel/lib/active_model/errors.rb b/activemodel/lib/active_model/errors.rb
index 917d3b9142..1d025beeef 100644
--- a/activemodel/lib/active_model/errors.rb
+++ b/activemodel/lib/active_model/errors.rb
@@ -23,7 +23,7 @@ module ActiveModel
# attr_reader :errors
#
# def validate!
- # errors.add(:name, "cannot be nil") if name == nil
+ # errors.add(:name, "cannot be nil") if name.nil?
# end
#
# # The following methods are needed to be minimally implemented
diff --git a/activemodel/lib/active_model/naming.rb b/activemodel/lib/active_model/naming.rb
index 5219de2606..86f5c96af9 100644
--- a/activemodel/lib/active_model/naming.rb
+++ b/activemodel/lib/active_model/naming.rb
@@ -214,6 +214,13 @@ module ActiveModel
# is required to pass the Active Model Lint test. So either extending the
# provided method below, or rolling your own is required.
module Naming
+ def self.extended(base) #:nodoc:
+ base.class_eval do
+ remove_possible_method(:model_name)
+ delegate :model_name, to: :class
+ end
+ end
+
# Returns an ActiveModel::Name object for module. It can be
# used to retrieve all kinds of naming-related information
# (See ActiveModel::Name for more information).
diff --git a/activemodel/lib/active_model/secure_password.rb b/activemodel/lib/active_model/secure_password.rb
index 879db59b34..7e179cf4b7 100644
--- a/activemodel/lib/active_model/secure_password.rb
+++ b/activemodel/lib/active_model/secure_password.rb
@@ -16,16 +16,20 @@ module ActiveModel
# Adds methods to set and authenticate against a BCrypt password.
# This mechanism requires you to have a +password_digest+ attribute.
#
- # Validations for presence of password on create, confirmation of password
- # (using a +password_confirmation+ attribute) are automatically added. If
- # you wish to turn off validations, pass <tt>validations: false</tt> as an
- # argument. You can add more validations by hand if need be.
+ # The following validations are added automatically:
+ # * Password must be present on creation
+ # * Password length should be less than or equal to 72 characters
+ # * Confirmation of password (using a +password_confirmation+ attribute)
#
- # If you don't need the confirmation validation, just don't set any
- # value to the password_confirmation attribute and the validation
- # will not be triggered.
+ # If password confirmation validation is not needed, simply leave out the
+ # value for +password_confirmation+ (i.e. don't provide a form field for
+ # it). When this attribute has a +nil+ value, the validation will not be
+ # triggered.
#
- # You need to add bcrypt (~> 3.1.7) to Gemfile to use #has_secure_password:
+ # For further customizability, it is possible to supress the default
+ # validations by passing <tt>validations: false</tt> as an argument.
+ #
+ # Add bcrypt (~> 3.1.7) to Gemfile to use #has_secure_password:
#
# gem 'bcrypt', '~> 3.1.7'
#
@@ -60,6 +64,8 @@ module ActiveModel
include InstanceMethodsOnActivation
if options.fetch(:validations, true)
+ include ActiveModel::Validations
+
# This ensures the model has a password by checking whether the password_digest
# is present, so that this works with both new and existing records. However,
# when there is an error, the message is added to the password attribute instead
diff --git a/activemodel/lib/active_model/serialization.rb b/activemodel/lib/active_model/serialization.rb
index 36a6c00290..976f50b13e 100644
--- a/activemodel/lib/active_model/serialization.rb
+++ b/activemodel/lib/active_model/serialization.rb
@@ -4,7 +4,7 @@ require 'active_support/core_ext/hash/slice'
module ActiveModel
# == Active \Model \Serialization
#
- # Provides a basic serialization to a serializable_hash for your object.
+ # Provides a basic serialization to a serializable_hash for your objects.
#
# A minimal implementation could be:
#
@@ -25,14 +25,14 @@ module ActiveModel
# person.name = "Bob"
# person.serializable_hash # => {"name"=>"Bob"}
#
- # You need to declare an attributes hash which contains the attributes you
- # want to serialize. Attributes must be strings, not symbols. When called,
- # serializable hash will use instance methods that match the name of the
- # attributes hash's keys. In order to override this behavior, take a look at
- # the private method +read_attribute_for_serialization+.
+ # An +attributes+ hash must be defined and should contain any attributes you
+ # need to be serialized. Attributes must be strings, not symbols.
+ # When called, serializable hash will use instance methods that match the name
+ # of the attributes hash's keys. In order to override this behavior, take a look
+ # at the private method +read_attribute_for_serialization+.
#
- # Most of the time though, you will want to include the JSON or XML
- # serializations. Both of these modules automatically include the
+ # Most of the time though, either the JSON or XML serializations are needed.
+ # Both of these modules automatically include the
# <tt>ActiveModel::Serialization</tt> module, so there is no need to
# explicitly include it.
#
diff --git a/activemodel/lib/active_model/validations/numericality.rb b/activemodel/lib/active_model/validations/numericality.rb
index a9fb9804d4..5bd162433d 100644
--- a/activemodel/lib/active_model/validations/numericality.rb
+++ b/activemodel/lib/active_model/validations/numericality.rb
@@ -30,7 +30,7 @@ module ActiveModel
return
end
- if options[:only_integer]
+ if allow_only_integer?(record)
unless value = parse_raw_value_as_an_integer(raw_value)
record.errors.add(attr_name, :not_an_integer, filtered_options(raw_value))
return
@@ -75,6 +75,17 @@ module ActiveModel
filtered[:value] = value
filtered
end
+
+ def allow_only_integer?(record)
+ case options[:only_integer]
+ when Symbol
+ record.send(options[:only_integer])
+ when Proc
+ options[:only_integer].call(record)
+ else
+ options[:only_integer]
+ end
+ end
end
module HelperMethods
@@ -121,6 +132,7 @@ module ActiveModel
# * <tt>:equal_to</tt>
# * <tt>:less_than</tt>
# * <tt>:less_than_or_equal_to</tt>
+ # * <tt>:only_integer</tt>
#
# For example:
#