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-rw-r--r--activemodel/lib/active_model/attribute_methods.rb14
-rw-r--r--activemodel/lib/active_model/dirty.rb27
-rw-r--r--activemodel/lib/active_model/errors.rb2
-rw-r--r--activemodel/lib/active_model/serialization.rb2
-rw-r--r--activemodel/lib/active_model/validations.rb1
5 files changed, 33 insertions, 13 deletions
diff --git a/activemodel/lib/active_model/attribute_methods.rb b/activemodel/lib/active_model/attribute_methods.rb
index 96be551264..ff7280f9e5 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.
@@ -227,7 +227,7 @@ module ActiveModel
# Declares the attributes that should be prefixed and suffixed by
# ActiveModel::AttributeMethods.
#
- # 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
@@ -255,7 +255,7 @@ module ActiveModel
# Declares an attribute that should be prefixed and suffixed by
# ActiveModel::AttributeMethods.
#
- # 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/dirty.rb b/activemodel/lib/active_model/dirty.rb
index c03e5fac79..0169c20e0b 100644
--- a/activemodel/lib/active_model/dirty.rb
+++ b/activemodel/lib/active_model/dirty.rb
@@ -76,9 +76,11 @@ module ActiveModel
#
# 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:
#
@@ -100,10 +102,10 @@ module ActiveModel
# 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"]
@@ -115,6 +117,7 @@ module ActiveModel
included do
attribute_method_suffix '_changed?', '_change', '_will_change!', '_was'
+ attribute_method_suffix '_previously_changed?', '_previous_change'
attribute_method_affix prefix: 'restore_', suffix: '!'
end
@@ -179,6 +182,11 @@ module ActiveModel
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 }
@@ -192,6 +200,12 @@ module ActiveModel
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:
@previously_changed = changes
@@ -209,6 +223,11 @@ module ActiveModel
[changed_attributes[attr], __send__(attr)] if attribute_changed?(attr)
end
+ # 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)
diff --git a/activemodel/lib/active_model/errors.rb b/activemodel/lib/active_model/errors.rb
index f843b279ce..287a2559d2 100644
--- a/activemodel/lib/active_model/errors.rb
+++ b/activemodel/lib/active_model/errors.rb
@@ -452,7 +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}"
@@ -461,6 +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 = {
diff --git a/activemodel/lib/active_model/serialization.rb b/activemodel/lib/active_model/serialization.rb
index 976f50b13e..c06a64c75f 100644
--- a/activemodel/lib/active_model/serialization.rb
+++ b/activemodel/lib/active_model/serialization.rb
@@ -107,7 +107,7 @@ 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 74d60327d6..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