Remove deprecation on _changed? methods

Author: rafaelfranca

lib/devise/models/confirmable.rb

@@ -261,14 +261,26 @@ def postpone_email_change_until_confirmation_and_regenerate_confirmation_token
           generate_confirmation_token
         end
 
-        def postpone_email_change?
-          postpone = self.class.reconfirmable &&
-            email_changed? &&
-            !@bypass_confirmation_postpone &&
-            self.email.present? &&
-            (!@skip_reconfirmation_in_callback || !self.email_was.nil?)
-          @bypass_confirmation_postpone = false
-          postpone
+        if Devise.rails51?
+          def postpone_email_change?
+            postpone = self.class.reconfirmable &&
+              will_save_change_to_email? &&
+              !@bypass_confirmation_postpone &&
+              self.email.present? &&
+              (!@skip_reconfirmation_in_callback || !self.email_in_database.nil?)
+            @bypass_confirmation_postpone = false
+            postpone
+          end
+        else
+          def postpone_email_change?
+            postpone = self.class.reconfirmable &&
+              email_changed? &&
+              !@bypass_confirmation_postpone &&
+              self.email.present? &&
+              (!@skip_reconfirmation_in_callback || !self.email_was.nil?)
+            @bypass_confirmation_postpone = false
+            postpone
+          end
         end
 
         def reconfirmation_required?

lib/devise/models/database_authenticatable.rb

@@ -165,12 +165,24 @@ def password_digest(password)
         Devise::Encryptor.digest(self.class, password)
       end
 
-      def send_email_changed_notification?
-        self.class.send_email_changed_notification && email_changed?
+      if Devise.rails51?
+        def send_email_changed_notification?
+          self.class.send_email_changed_notification && saved_change_to_email?
+        end
+      else
+        def send_email_changed_notification?
+          self.class.send_email_changed_notification && email_changed?
+        end
       end
 
-      def send_password_change_notification?
-        self.class.send_password_change_notification && encrypted_password_changed?
+      if Devise.rails51?
+        def send_password_change_notification?
+          self.class.send_password_change_notification && saved_change_to_encrypted_password?
+        end
+      else
+        def send_password_change_notification?
+          self.class.send_password_change_notification && encrypted_password_changed?
+        end
       end
 
       module ClassMethods

lib/devise/models/recoverable.rb

@@ -97,13 +97,24 @@ def send_reset_password_instructions_notification(token)
           send_devise_notification(:reset_password_instructions, token, {})
         end
 
-        def clear_reset_password_token?
-          encrypted_password_changed = respond_to?(:encrypted_password_changed?) && encrypted_password_changed?
-          authentication_keys_changed = self.class.authentication_keys.any? do |attribute|
-            respond_to?("#{attribute}_changed?") && send("#{attribute}_changed?")
+        if Devise.rails51?
+          def clear_reset_password_token?
+            encrypted_password_changed = respond_to?(:will_save_change_to_encrypted_password?) && will_save_change_to_encrypted_password?
+            authentication_keys_changed = self.class.authentication_keys.any? do |attribute|
+              respond_to?("will_save_change_to_#{attribute}?") && send("will_save_change_to_#{attribute}?")
+            end
+
+            authentication_keys_changed || encrypted_password_changed
           end
+        else
+          def clear_reset_password_token?
+            encrypted_password_changed = respond_to?(:encrypted_password_changed?) && encrypted_password_changed?
+            authentication_keys_changed = self.class.authentication_keys.any? do |attribute|
+              respond_to?("#{attribute}_changed?") && send("#{attribute}_changed?")
+            end
 
-          authentication_keys_changed || encrypted_password_changed
+            authentication_keys_changed || encrypted_password_changed
+          end
         end
 
       module ClassMethods

lib/devise/models/validatable.rb

@@ -27,8 +27,13 @@ def self.included(base)
 
         base.class_eval do
           validates_presence_of   :email, if: :email_required?
-          validates_uniqueness_of :email, allow_blank: true, if: :email_changed?
-          validates_format_of     :email, with: email_regexp, allow_blank: true, if: :email_changed?
+          if Devise.rails51?
+            validates_uniqueness_of :email, allow_blank: true, if: :will_save_change_to_email?
+            validates_format_of     :email, with: email_regexp, allow_blank: true, if: :will_save_change_to_email?
+          else
+            validates_uniqueness_of :email, allow_blank: true, if: :email_changed?
+            validates_format_of     :email, with: email_regexp, allow_blank: true, if: :email_changed?
+          end
 
           validates_presence_of     :password, if: :password_required?
           validates_confirmation_of :password, if: :password_required?

test/rails_app/lib/shared_admin.rb

@@ -8,7 +8,11 @@ module SharedAdmin
            allow_unconfirmed_access_for: 2.weeks, reconfirmable: true
 
     validates_length_of     :reset_password_token, minimum: 3, allow_blank: true
-    validates_uniqueness_of :email, allow_blank: true, if: :email_changed?
+    if Devise.rails51?
+      validates_uniqueness_of :email, allow_blank: true, if: :will_save_change_to_email?
+    else
+      validates_uniqueness_of :email, allow_blank: true, if: :email_changed?
+    end
   end
 
   def raw_confirmation_token