Move it around a bit

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@9174 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

activemodel/lib/active_model/validations.rb

@@ -1,12 +1,10 @@
 module ActiveModel
   module Validations
-    VALIDATIONS = %w( validate validate_on_create validate_on_update )
-
     def self.included(base) # :nodoc:
       base.extend(ClassMethods)
       base.send!(:include, ActiveSupport::Callbacks)
 
-      VALIDATIONS.each do |validation_method|
+      %w( validate validate_on_create validate_on_update ).each do |validation_method|
         base.class_eval <<-"end_eval"
           def self.#{validation_method}(*methods, &block)
             methods = CallbackChain.build(:#{validation_method}, *methods, &block)
@@ -25,16 +23,68 @@ module ActiveModel
       end
     end
 
-    # All of the following validations are defined in the class scope of the model that you're interested in validating.
-    # They offer a more declarative way of specifying when the model is valid and when it is not. It is recommended to use
-    # these over the low-level calls to validate and validate_on_create when possible.
     module ClassMethods
-      DEFAULT_VALIDATION_OPTIONS = {
+      DEFAULT_VALIDATION_OPTIONS = { :on => :save, :allow_nil => false, :allow_blank => false, :message => nil }.freeze
-        :on          => :save,
+
-        :allow_nil   => false,
+      # Adds a validation method or block to the class. This is useful when
-        :allow_blank => false,
+      # overriding the #validate instance method becomes too unwieldly and
-        :message     => nil
+      # you're looking for more descriptive declaration of your validations.
-      }.freeze
+      #
+      # This can be done with a symbol pointing to a method:
+      #
+      #   class Comment < ActiveRecord::Base
+      #     validate :must_be_friends
+      #
+      #     def must_be_friends
+      #       errors.add_to_base("Must be friends to leave a comment") unless commenter.friend_of?(commentee)
+      #     end
+      #   end
+      #
+      # Or with a block which is passed the current record to be validated:
+      #
+      #   class Comment < ActiveRecord::Base
+      #     validate do |comment|
+      #       comment.must_be_friends
+      #     end
+      #
+      #     def must_be_friends
+      #       errors.add_to_base("Must be friends to leave a comment") unless commenter.friend_of?(commentee)
+      #     end
+      #   end
+      #
+      # This usage applies to #validate_on_create and #validate_on_update as well.
+
+      # Validates each attribute against a block.
+      #
+      #   class Person < ActiveRecord::Base
+      #     validates_each :first_name, :last_name do |record, attr, value|
+      #       record.errors.add attr, 'starts with z.' if value[0] == ?z
+      #     end
+      #   end
+      #
+      # Options:
+      # * <tt>on</tt> - Specifies when this validation is active (default is :save, other options :create, :update)
+      # * <tt>allow_nil</tt> - Skip validation if attribute is nil.
+      # * <tt>allow_blank</tt> - Skip validation if attribute is blank.
+      # * <tt>if</tt> - Specifies a method, proc or string to call to determine if the validation should
+      #   occur (e.g. :if => :allow_validation, or :if => Proc.new { |user| user.signup_step > 2 }).  The
+      #   method, proc or string should return or evaluate to a true or false value.
+      # * <tt>unless</tt> - Specifies a method, proc or string to call to determine if the validation should
+      #   not occur (e.g. :unless => :skip_validation, or :unless => Proc.new { |user| user.signup_step <= 2 }).  The
+      #   method, proc or string should return or evaluate to a true or false value.
+      def validates_each(*attrs)
+        options = attrs.extract_options!.symbolize_keys
+        attrs   = attrs.flatten
+
+        # Declare the validation.
+        send(validation_method(options[:on] || :save), options) do |record|
+          attrs.each do |attr|
+            value = record.send(attr)
+            next if (value.nil? && options[:allow_nil]) || (value.blank? && options[:allow_blank])
+            yield record, attr, value
+          end
+        end
+      end
 
       private
         def validation_method(on)
@@ -67,7 +117,7 @@ module ActiveModel
 
         if responds_to?(:validate_on_create)
           ActiveSupport::Deprecations.warn(
-            "Base#validate_on_create has been deprecated, please use Base.validate :method, :on => :create instead")
+            "Base#validate_on_create has been deprecated, please use Base.validate_on_create :method instead")
           validate_on_create
         end
       else
@@ -75,7 +125,7 @@ module ActiveModel
 
         if responds_to?(:validate_on_update)
           ActiveSupport::Deprecations.warn(
-            "Base#validate_on_update has been deprecated, please use Base.validate :method, :on => :update instead")
+            "Base#validate_on_update has been deprecated, please use Base.validate_on_update :method instead")
           validate_on_update
         end
       end

activemodel/lib/active_model/validations/each.rb

@@ -1,65 +0,0 @@
-module ActiveModel
-  module Validations
-    module ClassMethods
-      # Adds a validation method or block to the class. This is useful when
-      # overriding the #validate instance method becomes too unwieldly and
-      # you're looking for more descriptive declaration of your validations.
-      #
-      # This can be done with a symbol pointing to a method:
-      #
-      #   class Comment < ActiveRecord::Base
-      #     validate :must_be_friends
-      #
-      #     def must_be_friends
-      #       errors.add_to_base("Must be friends to leave a comment") unless commenter.friend_of?(commentee)
-      #     end
-      #   end
-      #
-      # Or with a block which is passed the current record to be validated:
-      #
-      #   class Comment < ActiveRecord::Base
-      #     validate do |comment|
-      #       comment.must_be_friends
-      #     end
-      #
-      #     def must_be_friends
-      #       errors.add_to_base("Must be friends to leave a comment") unless commenter.friend_of?(commentee)
-      #     end
-      #   end
-      #
-      # This usage applies to #validate_on_create and #validate_on_update as well.
-
-      # Validates each attribute against a block.
-      #
-      #   class Person < ActiveRecord::Base
-      #     validates_each :first_name, :last_name do |record, attr, value|
-      #       record.errors.add attr, 'starts with z.' if value[0] == ?z
-      #     end
-      #   end
-      #
-      # Options:
-      # * <tt>on</tt> - Specifies when this validation is active (default is :save, other options :create, :update)
-      # * <tt>allow_nil</tt> - Skip validation if attribute is nil.
-      # * <tt>allow_blank</tt> - Skip validation if attribute is blank.
-      # * <tt>if</tt> - Specifies a method, proc or string to call to determine if the validation should
-      #   occur (e.g. :if => :allow_validation, or :if => Proc.new { |user| user.signup_step > 2 }).  The
-      #   method, proc or string should return or evaluate to a true or false value.
-      # * <tt>unless</tt> - Specifies a method, proc or string to call to determine if the validation should
-      #   not occur (e.g. :unless => :skip_validation, or :unless => Proc.new { |user| user.signup_step <= 2 }).  The
-      #   method, proc or string should return or evaluate to a true or false value.
-      def validates_each(*attrs)
-        options = attrs.extract_options!.symbolize_keys
-        attrs   = attrs.flatten
-
-        # Declare the validation.
-        send(validation_method(options[:on] || :save), options) do |record|
-          attrs.each do |attr|
-            value = record.send(attr)
-            next if (value.nil? && options[:allow_nil]) || (value.blank? && options[:allow_blank])
-            yield record, attr, value
-          end
-        end
-      end
-    end
-  end
-end